[DEF 14A] Unity Biotechnology, Inc. Definitive Proxy Statement

Q: When is the Unity Biotechnology (UBX) Special Meeting and who can vote?

The virtual Special Meeting is on September 18, 2025 at 9:00 a.m. Pacific Time . Only holders of record as of July 25, 2025 may vote.

Q: What proposals are UBX stockholders voting on?

Stockholders will vote on the Dissolution Proposal to approve the Plan of Dissolution and an Adjournment Proposal to permit adjournments to solicit additional proxies.

Q: How many shares are outstanding and how does the Series A Preferred vote?

As of the Record Date there were 17,212,172 shares of Common Stock outstanding and one share of Series A Preferred Stock that carries 600,000,000 votes and will vote in the same proportion as Common Stock votes on the Dissolution Proposal.

Q: What happened to UBX management and the Board?

Effective June 27, 2025 , the CEO, CFO and CLO ceased serving and all then-serving directors resigned; the Board was reduced to one director, Craig R. Jalbert .

Q: How can I vote my UBX shares if I cannot attend the virtual meeting?

You may vote by telephone, at 800-690-6903 ; by Internet at www.proxyvote.com ; or by mail using the proxy card. Telephone and Internet voting close at 11:59 p.m. PT on September 17, 2025 .

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

DEF 14A

Rhea-AI Filing Summary

Unity Biotechnology, Inc. (UBX) is asking stockholders to approve a Plan of Complete Liquidation and Dissolution at a virtual Special Meeting on September 18, 2025 to authorize the Board to wind down the company. Only holders of record as of July 25, 2025 may vote; as of that date there were 17,212,172 shares of Common Stock outstanding and one share of Series A Preferred Stock that carries 600,000,000 votes and will vote in proportion to Common Stock votes on the Dissolution Proposal. The Board unanimously recommends a vote "FOR" the Dissolution and Adjournment proposals.

The Board approved the Dissolution and Plan of Dissolution on June 27, 2025, concurrently accepting the resignations of the CEO, CFO and CLO and reducing the Board from eight directors to one, appointing Craig R. Jalbert to lead the wind-down. The company ceased clinical development and expects to use remaining cash to pay winding-up costs first; based on information available at the time of this proxy statement, the Board expects there will not be any amounts available for distribution to stockholders. The company also disclosed its Common Stock was suspended from Nasdaq on July 9, 2025 and has been trading on the OTC Markets.

Positive

Board unanimity: The Board unanimously recommends a vote "FOR" the Dissolution and Adjournment proposals.
Experienced wind-down lead: Craig R. Jalbert was appointed President and director and is described as having decades of experience with distressed businesses and wind downs.
Clear timeline and procedures: Proxy discloses Record Date (July 25, 2025), Special Meeting date (September 18, 2025), and detailed Delaware dissolution procedures to be followed.

Negative

Plan to dissolve the company: Board adopted a Plan of Dissolution and is seeking shareholder approval to liquidate operations.
Expected no distributions: The proxy states that, based on information currently available, the Board expects there will not be any amounts available for distribution to stockholders.
Ceased clinical development and workforce reductions: The company ceased clinical development and implemented reductions and consulting arrangements as part of the wind-down.
Management and board resignations: CEO, CFO and CLO ceased roles and the board was reduced from eight directors to one on June 27, 2025.
Delisting event: Common Stock was suspended from Nasdaq on July 9, 2025 and is trading on the OTC Markets.
Stock transfer suspension: If the Board proceeds, stock transfer books will be closed and further transfers will not be recorded after the Effective Time.

Insights

TL;DR: The company seeks shareholder approval to dissolve; current disclosures indicate little or no residual value for equity holders.

The Board adopted a Plan of Dissolution and recommends shareholder approval, while noting the Board retains sole discretion on timing and may abandon the plan prior to filing the Certificate of Dissolution. Key numeric facts include 17,212,172 outstanding Common shares, a Record Date of July 25, 2025, and a Special Meeting on September 18, 2025. The proxy states the Company will prioritize payment of taxes, claims, lease obligations, insurance, professional fees and reserves before any liquidating distributions and explicitly states that, based on currently available information, there will not be any amounts available for distribution. These facts signal a materially adverse outcome for common stockholders and high uncertainty on timing and magnitude of any recovery.

TL;DR: Governance concentrated during wind-down; Board reduced to one director and a Series A preferred share was issued to mirror shareholder votes.

Effective June 27, 2025, the CEO, CFO and CLO resigned and all serving directors resigned, reducing the Board to one Class I director, Craig R. Jalbert, who was appointed President and Corporate Secretary and has extensive experience with distressed wind-downs per the proxy. The Company issued a single share of Series A Preferred Stock (one share) that holds 600,000,000 votes and will be voted in proportion to Common Stock votes to "amplify" the expressed will of voting stockholders at the Special Meeting. These steps centralize control for an orderly wind-down but raise governance concentration and potential conflicts of interest concerns; however, the proxy discloses the arrangements and Mr. Jalbert's background in distressed situations.

08/11/2025 - 09:21 AM

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

(Amendment No. )

Filed by the Registrant ☒

Filed by a party other than the Registrant ☐

Check the appropriate box:

☐	Preliminary Proxy Statement

☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☒	Definitive Proxy Statement

☐	Definitive Additional Materials

☐	Soliciting Material under §240.14a-12

Unity Biotechnology, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

☒	No fee required.

☐	Fee paid previously with preliminary materials

☐	Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

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UNITY BIOTECHNOLOGY, INC.

124 Washington Street, Suite 101

Foxborough, Massachusetts 02035

To our stockholders:

You are invited to attend a special meeting of stockholders (the “Special Meeting”) of Unity Biotechnology, Inc., a Delaware corporation (the “Company,” “Unity,” “we,” “us” or “our”), which will be held on September 18, 2025 at 9:00 a.m. Pacific Time. The Special Meeting will be held in a virtual-only format, which will be conducted via live webcast. You may attend the meeting online, submit questions, and vote your shares electronically during the meeting via live webcast by visiting: www.virtualshareholdermeeting.com/UBX2025SM and entering your 16-digit control number included on your proxy card or the instructions that accompanied your proxy materials.

The attached Notice of Special Meeting of Stockholders and proxy statement contain details of the business to be conducted at the Special Meeting.

Holders of record of our common stock, par value $0.0001 per share, and of our outstanding share of Series A Preferred Stock, par value $0.0001 per share, as of the close of business on July 25, 2025 are entitled to notice of and to vote at the Special Meeting, or any adjournment thereof. The share of Series A Preferred Stock may only vote on the Dissolution Proposal, as described below. Your vote is important. Whether or not you are able to attend the meeting, it is important that your shares be represented and voted at the Special Meeting. Therefore, to ensure your vote is counted, I urge you to please promptly vote your shares by following the instructions for voting by completing, signing, dating and returning your proxy card or by Internet or telephone voting as described on your proxy card. If you decide to attend the Special Meeting online, you will be able to change your vote or revoke your proxy, even if you have previously submitted your proxy.

On behalf of Unity, I would like to thank you for your continued support.


Sincerely,

/s/ Craig R. Jalbert
Craig R. Jalbert
President and Secretary

August 11, 2025

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UNITY BIOTECHNOLOGY, INC.

124 Washington Street, Suite 101

Foxborough, Massachusetts 02035

NOTICE OF SPECIAL MEETING OF

STOCKHOLDERS

To be held on September 18, 2025


Time and Date			September 18, 2025 at 9:00 a.m. Pacific Time

Place			The special meeting of stockholders (the “Special Meeting”) of Unity Biotechnology, Inc. (“Unity,” the “Company,” “we,” “us” and “our”) will be held in a virtual format only at www.virtualshareholdermeeting.com/UBX2025SM.

Items of Business			The approval of the liquidation and dissolution of the Company (the “Dissolution”) and the Plan of Complete Liquidation and Dissolution (the “Plan of Dissolution”), attached hereto as Exhibit A, which, if approved, will authorize the Board to liquidate and dissolve the Company in accordance with the Plan of Dissolution (the “Dissolution Proposal”). To approve one or more adjournments of the Special Meeting, from time to time, to a later date or dates, even if a quorum is present, to solicit additional proxies in the event that there are not sufficient votes at the time of the Special Meeting to approve the Dissolution Proposal (the “Adjournment Proposal”).

Board Recommendations			After careful consideration of a number of factors, as described in the attached proxy statement, the Board has unanimously determined that the Dissolution Proposal and Adjournment Proposal are advisable and in the best interests of Unity and its stockholders. The Board unanimously recommends that you vote “FOR” each of the Dissolution Proposal and the Adjournment Proposal.

Record Date			The close of business on July 25, 2025 (the “Record Date”). Only holders of our common stock, par value $0.0001 per share (“Common Stock”), and of our outstanding share of Series A Preferred Stock, par value $0.0001 per share, on the Record Date are entitled to receive notice of, and to vote at, the Special Meeting, or any adjournment thereof. The share of Series A Preferred Stock may only vote on the Dissolution Proposal.

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Proxy Voting			IMPORTANT Please vote your shares at your earliest convenience by completing, signing, dating and returning your proxy card or by Internet or telephone voting as described on your proxy card. This will save the expense and extra work of additional solicitation. Submitting your proxy now will not prevent you from voting your shares at the Special Meeting, as your proxy is revocable at your option.

This proxy statement is first being made available or distributed, as the case may be, to stockholders on or about August 11, 2025.

A copy of our Annual Report on Form 10-K for the year ended December 31, 2024 and our Annual Report on Form 10-K/A for the year ended December 31, 2024 (collectively, our “2024 Annual Report on Form 10-K”), and any other documents incorporated by reference herein, excluding exhibits, will be furnished without charge to any stockholder of record as of July 25, 2025, upon written request to Unity Biotechnology, Inc., 124 Washington Street, Suite 101, Foxborough, Massachusetts 02035, (508) 543-1720. This proxy statement and our 2024 Annual Report on Form 10-K and any other documents incorporated by reference herein are also available on the SEC’s website at www.sec.gov.

By order of the Board of Directors,

Craig R. Jalbert

President and Secretary

August 11, 2025

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			Page
CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS			1
WEBSITES			2
RISK FACTORS			3
QUESTIONS AND ANSWERS REGARDING THIS SOLICITATION AND VOTING AT THE SPECIAL MEETING			7
PROPOSAL 1: APPROVAL OF THE DISSOLUTION PURSUANT TO THE PLAN OF DISSOLUTION			14
CERTAIN MATERIAL U.S. FEDERAL INCOME TAX CONSEQUENCES OF THE PROPOSED DISSOLUTION			25
PROPOSAL 2: APPROVAL OF ADJOURNMENT OF SPECIAL MEETING TO SOLICIT ADDITIONAL PROXIES			31
SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT			32
WHERE YOU CAN FIND ADDITIONAL INFORMATION			34
HOUSEHOLDING			35
OTHER MATTERS			36
EXHIBIT A			37
ANNEX A			A-1

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CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This proxy statement, including the documents incorporated by reference into this proxy statement, contains forward-looking statements, including within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). All statements other than statements of historical fact contained in this proxy statement are “forward-looking statements” for purposes of this proxy statement. These statements involve known and unknown risks, uncertainties, assumptions and other important factors that may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. In some cases, you can identify forward-looking statements by terminology such as “anticipate,” “believe,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “target,” “predict,” “project,” “contemplate,” “should,” “will,” “would,” “continue” or the negative or plural of those terms or other similar expressions.

Forward-looking statements in this proxy statement include, but are not limited to:

•	plans and expectations for the Dissolution;

•	beliefs about the Company’s available options and financial condition;

•	all statements regarding the tax and accounting consequences of the transactions contemplated by the Dissolution; and

•	all statements regarding the amount and timing of distributions made to stockholders, if any, in connection with the Dissolution.

The forward-looking statements in this proxy statement are only predictions. We based these forward-looking statements largely on our current expectations and projections about future events and financial trends that we believe may affect our business, financial condition and results of operations. Forward-looking statements are inherently subject to risks, uncertainties and assumptions, some of which cannot be predicted or quantified and some of which are beyond our control. Risks, uncertainties and assumptions that may cause actual results to differ materially from current expectations include, among other things, those set forth in under the caption “Risk Factors” in this proxy statement and our 2024 Annual Report on Form 10-K and most recent Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission (the “SEC”).

Any forward-looking statement in this proxy statement reflects our current view with respect to future events, speaks only as of the date of this proxy statement, and is subject to these and other risks, uncertainties and assumptions. Given these uncertainties, you should not rely on these forward-looking statements as predictions of future events. Although we believe that the expectations reflected in the forward-looking statements are reasonable, our information may be incomplete or limited and we cannot guarantee future results. Moreover, we operate in an evolving environment. New risk factors and uncertainties may emerge from time to time, and it is not possible for management to predict all risk factors and uncertainties. Except as required by law, we do not plan, and assume no obligation, to update or revise these forward-looking statements for any reason, even if new information becomes available in the future. We qualify all of our forward-looking statements by these cautionary statements.

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WEBSITES

Website addresses referenced in this proxy statement are provided for convenience only, and the content on the referenced websites does not constitute a part of this proxy statement.

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RISK FACTORS

The following risk factors, together with the other information in this proxy statement and in the “Risk Factors” sections included in the documents incorporated by reference into this proxy statement (see the section entitled “Where You Can Find Additional Information” beginning on page 34 of this proxy statement), should be carefully considered before deciding whether to vote to approve the Dissolution Proposal as described in this proxy statement. In addition, stockholders should keep in mind that the risks described below are not the only risks that are relevant to your voting decision. The risks described below are the risks regarding the Dissolution that we currently believe are the material risks of which our stockholders should be aware. Nonetheless, additional risks that are not presently known to us, or that we currently believe are not material, may also prove to be important.

RISKS RELATED TO THE DISSOLUTION

We cannot predict the timing of the distributions to stockholders.

Our current intention is that, if approved by our stockholders, the Certificate of Dissolution would be filed as soon as reasonably practicable after such approval; however, the timing of such filing and the decision of whether or not to proceed with the Dissolution will be made by the Board in its sole discretion and in its own timing. No further stockholder approval would be required to effect the Dissolution. However, if the Board determines that the Dissolution is not in our best interest or the best interest of our stockholders, the Board may, in its sole discretion, abandon the Dissolution or may amend or modify the Plan of Dissolution to the extent permitted by Delaware law without the necessity of further stockholder approval, pursuant to the Plan of Dissolution. After the Certificate of Dissolution has been filed and becomes effective, revocation of the Dissolution would require stockholder approval under Delaware law.

Under Delaware law, before a dissolved corporation may make any distribution to its stockholders, it must (a) pay or make reasonable provision to pay all claims and obligations, including all contingent, conditional or unmatured contractual claims known to the corporation, (b) make such provision as will be reasonably likely to be sufficient to provide compensation for any claim against the corporation which is the subject of a pending action, suit or proceeding to which the corporation is a party, and (c) make such provision as will be reasonably likely to be sufficient to provide compensation for claims that have not been made known to the corporation or that have not arisen but that, based on facts known to the corporation, are likely to arise or to become known to the corporation within 10 years after the date of dissolution. One such claim or obligation includes obligations under our lease agreement for office and laboratory space in South San Francisco, California (the “Lease”). Furthermore, we may be subject to potential liabilities relating to indemnification obligations, if any, to third parties or to our current and former officers and directors. It might take significant time to resolve these matters, and as a result we are unable to predict the timing of distributions, if any are made, to our stockholders.

We cannot assure you as to the amount of distributions, if any, to be made to our stockholders.

We cannot predict with certainty the amount of distributions, if any, to our stockholders. Based on the information currently available to us, and if our stockholders approve the Dissolution, we expect as of the date of this proxy statement that there will not be any amounts available for distribution to our stockholders in the Dissolution. Amounts, if any, may be paid in one or more distributions. Such distributions, if any, will not occur until after the Certificate of Dissolution is filed, and we cannot predict the timing or amount, if any, of such distributions, as uncertainties as to the ultimate amount of our liabilities, the operating costs and amounts to be set aside for claims, obligations and provisions during the liquidation and winding-up process, and the related timing to complete such transactions make it impossible to predict with certainty the actual net cash amount, if any, that could ultimately be available for distribution to stockholders or the timing of such distributions, if any. Examples of uncertainties that could reduce the value of distributions to our stockholders include, without limitation: the outcome of ongoing discussions between our Board and our landlord regarding our obligations and potential liabilities under our Lease, unanticipated costs relating to the defense, satisfaction or settlement of lawsuits or other claims threatened against us or our directors or officers; amounts necessary to resolve claims of any creditors or other third parties; and delays in the liquidation and dissolution or other winding up process.

In addition, as we wind down, we will continue to incur expenses from winding down, including directors’ and officers’ insurance; payments to service providers and any continuing employees or consultants; taxes; legal, accounting and consulting fees and expenses related to our filing obligations with the SEC, which will reduce

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any amounts available for distribution to our stockholders. As a result, we cannot assure you as to amounts, if any, to be distributed to our stockholders if the Board proceeds with the Dissolution. If our stockholders do not approve the Dissolution Proposal, we will not be able to proceed with the Dissolution, and no liquidating distributions will be made in connection therewith.

It is the intent of the Board, assuming approval of the Dissolution, to comply with Delaware law and the terms of the Plan of Dissolution by paying or making provision to pay, as appropriate, all claims and obligations against the Company, including known claims, claims which are subject of pending actions (if any), and unknown claims that are likely to become known within 10 years. Such claims and obligations include payment of our outstanding current liabilities, ongoing corporate and administrative costs and expenses associated with winding down the company, liabilities and potential liabilities relating to or arising out of any litigation matters and potential liabilities relating to our indemnification obligations, if any, to our service providers, or to our current and former officers and directors.

The Board will determine, in its sole discretion, the timing of the distribution of the remaining amounts, if any, to our stockholders in the Dissolution. We can provide no assurance as to if or when any such distribution will be made, and we cannot provide any assurance as to the amount, if any, to be paid to stockholders in any such distribution, if one is made. Stockholders may receive no distribution at all. To the extent funds are available for distribution to stockholders, the Board intends to seek to distribute such funds to our stockholders as quickly as reasonably practicable, as permitted in accordance with the DGCL, the Plan of Dissolution, and Delaware law, and intends to take all reasonable actions to optimize the distributable value to our stockholders, if any.

If our stockholders do not approve the Dissolution Proposal, we would not be able to continue our business operations.

On May 2, 2025, we announced that our Board approved a plan to reduce operating costs and preserve capital following the disclosure of full 36-week data from our ASPIRE study. As a part of such operating plan, we implemented a reduction in force affecting all of our employees and entered into consulting agreements to retain certain personnel to support our evaluation of strategic alternatives and execution of the wind-down of the Company. In connection with this strategic review, we ceased all clinical development. After seeking potential funding sources and financing opportunities to continue to operate our business, we have been unable to find a viable alternative to the Dissolution. Our Board determined that approving the Plan of Dissolution gives our Board the most flexibility in optimizing value for our stockholders.

As a result, on June 27, 2025, following consideration of these and other factors, our Board (i) determined that the Dissolution is advisable and in the best interests of the Company and our stockholders, (ii) approved the Dissolution, and (iii) adopted the Plan of Dissolution. Effective June 27, 2025, in connection with the planned Dissolution and the planned wind down of the Company’s operations, (i) Anirvan Ghosh ceased serving as the Company’s Chief Executive Officer and principal executive officer, Lynne Sullivan ceased serving as the Company’s Chief Financial Officer, principal financial officer and principal accounting officer, and Alexander Nguyen ceased serving as the Company’s Chief Legal Officer and secretary, (ii) each of the Company’s then serving directors notified the Company of their resignation from the Board, effective that day, and (iii) the Board reduced its size from eight directors to one director in Class I authorized to serve on the Board. On June 27, 2025, in conjunction with such resignations, the Board appointed Craig R. Jalbert, as the Company’s President and Corporate Secretary and as a Class I director.

As of the date of this proxy statement, we have not received any viable offer to purchase the entire company or to purchase or license or that would otherwise allow us to monetize any of our assets or technologies. We intend to continue our efforts to identify strategic opportunities to help monetize the Company’s assets and technologies to maximize the value thereof, though to date we have not found a viable alternative to the Dissolution. There is no guarantee that we will be able to consummate a transaction to monetize any of our assets or technologies and there is no guarantee that any such transaction will result in sufficient assets to make amounts available for distribution to our stockholders in the Dissolution. Based on the information currently available to us, and if our stockholders approve the Dissolution, as a result of the foregoing, we expect as of the date of this proxy statement that there will not be any amounts available for distribution to our stockholders in the Dissolution.

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If our stockholders do not approve the Dissolution Proposal, the Board will continue to explore what, if any, alternatives are available for the future of the Company in light of our discontinued business activities and the lack of resources; however, those alternatives are likely limited to seeking voluntary dissolution at a later time with potentially diminished assets, seeking bankruptcy protection (should our net assets decline to levels that would require such action). The Board believes that it is unlikely that these alternatives would result in greater stockholder value than the proposed Plan of Dissolution and the Dissolution.

The Board may determine not to proceed with the Dissolution.

Even if the Dissolution Proposal is approved by our stockholders, the Board may determine in its sole discretion not to proceed with the Dissolution. Further, the Board has not set a deadline to make its decision on whether to proceed with the Dissolution after stockholder approval is obtained. If our Board elects to pursue any alternative to the Plan of Dissolution, our stockholders may not receive any of the funds that might otherwise be available for distribution to our stockholders. After the Certificate of Dissolution has been filed and becomes effective, revocation of the Dissolution would require stockholder approval under Delaware law.

Our stockholders may be liable to third parties for part or all of the amount received from us in our liquidating distributions if reserves are inadequate.

If the Dissolution becomes effective, we may establish a contingency reserve designed to satisfy any additional claims and obligations that may arise in accordance with the DGCL and the Plan of Dissolution. Any contingency reserve may not be adequate to cover all of our claims and obligations, including any liabilities under our Lease. The DGCL provides that a stockholder of a dissolved corporation the assets of which were distributed pursuant to the provisions of the DGCL shall not be liable for any claim against the corporation in an amount in excess of such stockholder’s pro rata share of the claim or the amount so distributed to such stockholder, whichever is less. The DGCL further provides that the aggregate liability of any stockholder of a dissolved corporation for claims against the dissolved corporation shall not exceed the amount distributed to such stockholder in dissolution. Accordingly, a stockholder of the Company could be required to return part or all of the distributions previously made to such stockholder, and a stockholder could receive nothing from us under the Plan of Dissolution. Moreover, if a stockholder has paid taxes on amounts previously received, a repayment of all or a portion of such amount could result in a situation in which a stockholder may incur a net tax cost if the repayment of the amount previously distributed does not cause a commensurate reduction in taxes payable.

Our stockholders of record will not be able to buy or sell shares of our Common Stock after we close our stock transfer books on the Effective Time.

If the Board determines, in its sole discretion and in its own timing, to proceed with the Dissolution, we intend to close our stock transfer books and discontinue recording transfers of our Common Stock at the Effective Time (as defined herein). After we close our stock transfer books, we will not record any further transfers of our Common Stock on our books except by will, intestate succession or operation of law. Therefore, shares of our Common Stock will not be freely transferable after the Effective Time. As a result of the closing of the stock transfer books, all liquidating distributions in the Dissolution will likely be made pro rata to the same stockholders of record as the stockholders of record as of the Final Record Date.

We plan to initiate steps to exit from our reporting requirements under the Exchange Act, which would substantially reduce publicly available information about us. If the exit process is protracted, we will continue to bear the expense of being a public reporting company despite having no source of revenue.

Our Common Stock is currently registered under the Exchange Act, which requires that we, and our officers and directors with respect to Section 16 of the Exchange Act, comply with certain public reporting and proxy statement requirements thereunder. Compliance with these requirements is costly and time-consuming. We plan to initiate steps to exit from such reporting requirements in order to curtail expenses; however, such process may be protracted, and we may be required to continue to file Current Reports on Form 8-K or other reports to disclose material events, including those related to the Dissolution. Accordingly, we will continue to incur expenses that will reduce any amount available for distribution, including expenses of complying with public company reporting requirements and paying our service providers, among others. If our reporting obligations cease, publicly available information about us will be substantially reduced.

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Stockholders may not be able to recognize a loss for U.S. federal income tax purposes until they receive a final distribution from us.

Distributions made pursuant to the Plan of Dissolution are intended to be treated as received by a stockholder as a series of liquidating distributions. Accordingly, as a result of the Dissolution, for U.S. federal income tax purposes, a stockholder that is a U.S. Holder (as defined in “Proposal 1 - Approval of the Dissolution Pursuant to the Plan of Dissolution - Certain Material U.S. Federal Income Tax Consequences of the Proposed Dissolution”) generally will recognize gain or loss on a share-by-share basis equal to the difference between (1) the sum of the amount of cash and the fair market value of property, if any, distributed to the U.S. Holder with respect to each share of Common Stock, less any known liabilities assumed by the U.S. Holder or to which the distributed property (if any) is subject, and (2) the U.S. Holder’s adjusted tax basis in each share of our Common Stock. A liquidating distribution pursuant to the Plan of Dissolution may occur at various times and in more than one tax year. Any loss generally will be recognized by a U.S. Holder only in the tax year in which the U.S. Holder receives our final liquidating distribution, and then only if the aggregate value of all liquidating distributions with respect to a share of our Common Stock is less than the U.S. Holder’s tax basis for that share.

For a more detailed discussion, including with respect to Non-U.S. Holders (as defined below), see the section entitled “Proposal 1 - Approval of the Dissolution Pursuant to the Plan of Dissolution - Certain Material U.S. Federal Income Tax Consequences of the Proposed Dissolution” beginning on page 25 of this proxy statement. Stockholders are urged to consult with their tax advisors as to the specific tax consequences to them of the Dissolution pursuant to the Plan of Dissolution.

The tax treatment of any liquidating distribution may vary from stockholder to stockholder, and the discussions in this proxy statement regarding tax consequences are general in nature.

We have not requested a ruling from the IRS with respect to the anticipated tax consequences of the Dissolution, and we will not seek an opinion of counsel with respect to the anticipated tax consequences of any liquidating distributions. If any of the anticipated tax consequences described in this proxy statement prove to be incorrect, the result could be increased taxation at the corporate or stockholder level, thus reducing the benefit to our stockholders and us from the Dissolution. Tax considerations applicable to particular stockholders may vary with and be contingent on the stockholder’s individual circumstances.

You should consult your tax advisor for tax advice instead of relying on the discussions of tax consequences in this proxy statement.

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QUESTIONS AND ANSWERS REGARDING THIS SOLICITATION

AND VOTING AT THE SPECIAL MEETING

The following are some of the questions you may have as a Unity stockholder and answers to those questions. These questions and answers highlight only some of the information contained in this proxy statement. You should read carefully this entire document, including all exhibits and annexes hereto, to fully understand the Dissolution Proposal, the Adjournment Proposal and the voting procedures for the Special Meeting.

Special Meeting and Voting

When and where will the Special Meeting be held?

The Special Meeting will be held on September 18, 2025 at 9:00 a.m. Pacific Time. The Special Meeting will be a completely virtual meeting, which will be conducted via live webcast. You will be able to attend the Special Meeting online and submit your questions during the meeting by visiting www.virtualshareholdermeeting.com/UBX2025SM and entering your 16-digit control number included on your proxy card or on the instructions that accompanied your proxy materials. If you lose your 16-digit control number, you may join the Special Meeting as a “guest” but you will not be able to vote, ask questions or access the list of stockholders as of the close of business on July 25, 2025 (the “Record Date”).

Why am I receiving these materials, and who is soliciting my vote?

We sent you this proxy statement because our Board is soliciting your proxy to vote at the Special Meeting that Unity is holding to seek stockholder approval of the Dissolution Proposal and the Adjournment Proposal, as described in further detail herein. This proxy statement summarizes the information you need to vote at the Special Meeting. You do not need to attend the Special Meeting to vote your shares.

Why hold a virtual meeting?

We believe that hosting a virtual meeting is in the best interest of the Company and its stockholders, enabling increased stockholder attendance and participation because stockholders can participate from any location around the world. You will be able to attend the Special Meeting online and submit your questions by visiting www.virtualshareholdermeeting.com/UBX2025SM. You also will be able to vote your shares electronically at the Special Meeting by following the instructions below.

What is the purpose of the Special Meeting?

At the Special Meeting, stockholders will vote on the matters described in the accompanying Notice of Special Meeting and this proxy statement. The only matters to be voted upon at the Special Meeting are the Dissolution Proposal and the Adjournment Proposal.

The Board is proposing the Dissolution and asking stockholders to approve the Dissolution Proposal because we are unable to continue our ongoing operations with our current cash and anticipated future cash flow and because to date, we have not found a viable alternative to the Dissolution. The reasons for the Dissolution are described under “Proposal 1: Approval of the Dissolution Pursuant to the Plan of Dissolution - Reasons for the Proposed Dissolution” and “Background of the Proposed Dissolution.”

The Board has deemed it advisable and in the best interests of Unity and its stockholders to effectuate the Dissolution. The Board believes that the Dissolution presents the best opportunity for the highest possible recovery under the circumstances for creditors, and while uncertain, preserving the opportunity for future payments to Unity’s stockholders. However, there can be no assurance that these efforts will yield the desired outcome or result in a recovery, if any, for the Company’s creditors or stockholders.

When is the Record Date for the Special Meeting?

The Record Date for determination of stockholders entitled to vote at the Special Meeting is the close of business on July 25, 2025.

What am I being asked to vote on?

The Board is asking Unity’s stockholders of record at the close of business on July 25, 2025, the Record Date for the Special Meeting, to consider and vote upon the Dissolution Proposal and Adjournment Proposal. The share of Series A Preferred Stock may only vote on the Dissolution Proposal. As of the date of this proxy

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statement, the Board currently knows of no other business that will be presented for consideration at the Special Meeting and the Company’s bylaws provide that no business may be transacted at a special meeting other than the business specified in the notice to stockholders. In the event any matters other than those referred to in the accompanying Notice of Special Meeting and this proxy statement should properly come before and be considered at the Special Meeting, it is intended that any proxy holder may vote on the matter in his or her discretion on behalf of the stockholder or stockholders granting such proxy.

Which stockholders may vote and how many votes do stockholders have?

Only stockholders as of the Record Date will be entitled to notice of, and to vote at, the Special Meeting, or any adjournment thereof. As of the Record Date, Unity had issued and outstanding 17,212,172 shares of Common Stock and one share of Series A Preferred Stock.

On each matter to be voted upon, holders of the Company’s shares of Common Stock have one vote for each share of Common Stock owned as of the Record Date. The holder of the one outstanding share of our Series A Preferred Stock has 600,000,000 votes but has the right to vote only on the Dissolution Proposal and the Series A Preferred Stock votes must be voted by its holder in the same proportion as the votes of shares of Common Stock are cast for or against the Dissolution Proposal. For example, if 60% of the votes cast by holders of Common Stock for the Dissolution Proposal vote “For” the proposal and 40% vote “Against” the proposal, the holder of the share of Series A Preferred Stock will cast 360,000,000 votes “For” the Dissolution Proposal and 240,000,000 votes “Against” the Dissolution Proposal, provided that for the purpose of calculating the proportion of votes “For” and “Against’ the Dissolution Proposal, abstentions, if any, will count as votes “Against” the Dissolution Proposal and will thus be voted “Against” the Dissolution Proposal and any shares of Common Stock that are not voted on the Dissolution Proposal shall be excluded from such calculation. Because there are no discretionary items on the agenda of the Special Meeting, we do not expect broker non-votes to occur. The Series A Preferred Stock will vote on the Dissolution Proposal as a single class with the Common Stock.

The share of Series A Preferred Stock will be automatically transferred back to the Company effective upon the final adjournment of any meeting of stockholders at which the stockholders have approved a Dissolution Proposal. After such time as the share of Series A Preferred Stock is automatically transferred back to the Company, the share of Series A Preferred Stock will cease to be outstanding and the holder of the share of Series A Preferred Stock will cease to have any rights in respect thereof. Immediately upon such automatic transfer, the share of Series A Preferred Stock will be automatically retired and restored to the status of an authorized but unissued share of preferred stock of the Company.

What vote is needed to approve the Dissolution Proposal and the Adjournment Proposal?

If a quorum is present at the Special Meeting, approval of the Dissolution Proposal requires the affirmative vote of the holders of a majority of the voting power of the shares of Common Stock and the share of Series A Preferred Stock outstanding on the Record Date, voting together as a single class. Each share of Common Stock has one vote. The share of Series A Preferred Stock has 600,000,000 votes, but the holder of the share of Series A Preferred Stock will cast such votes in the same proportion as the votes cast by shares of Common Stock on the Dissolution Proposal. Abstentions will technically have the same effect as “Against” votes. Because there are no discretionary items on the agenda of the Special Meeting, we do not expect broker non-votes to occur. Further, the share of Series A Preferred Stock has 600,000,000 votes and the holder of the share of Series A Preferred Stock will vote in a manner that mirrors votes cast by holders of Common Stock (with abstentions and broker non-votes being counted as voted “Against” for purposes of such calculation).

If a quorum is present at the Special Meeting, the affirmative vote of the holders of a majority of the votes cast affirmatively or negatively (excluding abstentions and broker non-votes) is required for the approval of the Adjournment Proposal. Abstentions will not be counted as votes cast on the matter and will have no effect on the outcome of the Adjournment Proposal. Because there are no discretionary items on the agenda of the Special Meeting, we do not expect broker non-votes to occur.

Why is Unity seeking a stockholder vote on the Adjournment Proposal?

Adjourning the Special Meeting to a later date will give the Board additional time to solicit proxies and obtain sufficient votes in favor of approval of the Dissolution Proposal if there are not sufficient votes to approve

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such proposal at the time of the Special Meeting. Consequently, Unity is seeking your approval of the Adjournment Proposal to ensure that, if necessary, Unity will have enough time to solicit the required votes for approval of the Dissolution Proposal.

What are the recommendations of the Board for how I should vote my shares?

The Board unanimously recommends that you vote “FOR” the Dissolution Proposal and “FOR” the Adjournment Proposal.

Who can attend the Special Meeting?

Only stockholders of record as of the close of business on the Record Date, or their duly appointed proxies, may attend the Special Meeting. To attend and participate in the Special Meeting, you will need the 16-digit control number included on your proxy card or on the instructions that accompanied your proxy materials. If your shares are held in “street name”, you should contact your bank or broker to obtain your 16-digit control number or otherwise vote through the bank or broker. If you lose your 16-digit control number, you may join the Special Meeting as a “guest” but you will not be able to vote, ask questions or access the list of stockholders as of the close of business on the Record Date. The meeting webcast will begin promptly on September 18, 2025 at 9:00 a.m. Pacific Time. We encourage you to access the meeting prior to the start time. Online check-in will begin at 8:45 a.m. Pacific Time, and you should allow ample time for the check-in procedures. To attend and participate in the Special Meeting, you will need the control number included on your proxy card. A complete list of such stockholders will be open to the examination of any stockholder for a period of ten days prior to the Special Meeting ending on the day before the Special Meeting Date for a purpose germane to the meeting by contacting Unity Biotechnology, Inc., 124 Washington Street, Suite 101, Foxborough, Massachusetts 02035, (508) 543-1720 or Unity@vlpc.com, stating the purpose of the request and providing proof of ownership of the Company’s stock. The Special Meeting may be adjourned from time to time without notice if the time, place, if any, of the adjourned meeting, and the means of remote communications, if any, by which stockholders and proxy holders may be deemed to be present in person and vote at such adjourned meeting are announced at the Special Meeting.

What is the quorum requirement?

A quorum of stockholders present at the Special Meeting is necessary to hold a valid meeting. The presence, in person or by proxy, of the holders of one-third in voting power of the shares of common stock and Series A Preferred Stock issued and outstanding on the Record Date and entitled to vote will constitute a quorum for the transaction of business at the Special Meeting. On the Record Date, there were 17,212,172 shares of Common Stock and one Share of Series A Preferred Stock outstanding and entitled to vote. If you sign and return your paper proxy card or authorize a proxy to vote electronically or telephonically, your shares will be counted to determine whether we have a quorum even if you abstain or fail to vote as indicated in the proxy.

Your shares will be counted towards the quorum only if you submit a valid proxy (or one is submitted on your behalf by your broker, bank or other nominee) or if you vote in person at the Special Meeting. Abstentions will be counted towards the quorum requirement. Because there are no discretionary items on the agenda of the Special Meeting, we do not expect broker non-votes to occur. If a quorum is not present or represented at the scheduled time of the Special Meeting, then the chairperson of the Special Meeting or a majority of the voting power of the stockholders entitled to vote at the meeting, present in person or by remote communication, or represented by proxy at the Special Meeting may adjourn the meeting to another date.

What is a broker non-vote?

Generally, a broker non-vote occurs when shares held by a bank, broker or other nominee for a beneficial owner are not voted with respect to a particular proposal because (i) the nominee has not received voting instructions from the beneficial owner and (ii) the nominee lacks discretionary voting power to vote such shares. Under applicable stock exchange rules, banks, brokers and other nominees who hold shares of Unity’s Common Stock for beneficial owners have the discretion to vote on routine matters when they have not received voting instructions from those beneficial owners. On a non-routine matter, banks, brokers and other nominees do not have the discretion to direct the voting of the beneficial owners’ shares (as they do on a routine matter), and, if the beneficial owner has not provided voting instructions with respect to that matter, there will be a “broker non-vote” on the matter. Unity urges you to provide

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instructions to your bank, broker or other nominee so that your votes may be counted for each proposal to be voted upon. You should provide voting instructions for your shares by following the instructions provided on the voting instruction form that you receive from your bank, broker or other nominee.

The Dissolution Proposal and Adjournment Proposal are considered non-routine matters. Accordingly, brokers lack discretionary authority to vote at the Special Meeting and we do not expect broker non-votes to occur.

What is the difference between being a “record holder” and holding shares in “street name”?

A record holder (also called a “registered holder”) holds shares in his or her name. Shares held in “street name” means that shares are held in the name of a bank, broker or other nominee on the holder’s behalf.

What do I do if my shares are held in “street name”?

If your shares are held in a brokerage account or by a bank or other holder of record, you are considered the “beneficial owner” of such shares held in “street name.” The proxy materials have been forwarded to you by your broker, bank or other nominee who is considered, with respect to those shares, the stockholder of record. As the beneficial owner, you have the right to direct your broker, bank or other holder of record on how to vote your shares by following their instructions for voting. Please refer to information from your bank, broker or other nominee on how to submit your voting instructions.

How do I vote my shares prior to the Special Meeting or if I do not plan on attending the Special Meeting?

We recommend that stockholders submit a proxy even if they plan to attend the Special Meeting and vote electronically.

Stockholders of Record. If you are a stockholder of record, there are three ways to submit a proxy:

•	by Telephone - You can submit a proxy by telephone by calling 800-690-6903 and following the instructions on the proxy card;

•	by Internet - You can submit a proxy over the Internet at www.proxyvote.com by following the instructions on the proxy card; or

•	by Mail - You can submit a proxy by mail by signing, dating and mailing the proxy card, which you may have received by mail.

Telephone and Internet voting facilities for stockholders of record will be available 24 hours a day and will close at 11:59 p.m., Pacific Time on September 17, 2025. To participate in the Special Meeting, including to submit a proxy via the Internet or telephone, you will need the 16-digit control number included on your proxy card or on the instructions that accompanied your proxy materials.

Beneficial Owners of Shares Held in “Street Name.” If your shares are held in the name of a bank, broker or other holder of record, you will receive instructions on how to vote from the bank, broker or holder of record. You must follow the instructions of such bank, broker or holder of record in order for your shares to be voted.

How can I attend and vote at the Special Meeting?

We will be hosting the Special Meeting via live audio webcast. Any stockholder can attend the Special Meeting online at www.virtualshareholdermeeting.com/UBX2025SM. If you were a stockholder of record as of the Record Date, or you hold your shares beneficially and hold a valid proxy from the record holder for the Special Meeting, then you can vote at the Special Meeting. A summary of the information you need to attend the Special Meeting online is provided below:

•	Instructions on how to attend and participate via the Internet, including how to demonstrate proof of stock ownership, are posted at www.virtualshareholdermeeting.com/UBX2025SM.

•	Assistance with questions regarding how to attend and participate via the Internet will be provided at virtualshareholdermeeting.com/UBX2025SM on the day of the Special Meeting.

•	Webcast starts at 9:00 a.m. Pacific Time.

•	You will need your 16-Digit control number to enter the Special Meeting.

•	Stockholders may submit questions while attending the Special Meeting via the Internet.

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To attend and participate in the Special Meeting, you will need the 16-digit control number included on your proxy card or on the instructions that accompanied your proxy materials. If your shares are held in “street name”, you should contact your bank or broker to obtain your 16-digit control number or otherwise vote through the bank or broker. If you lose your 16-digit control number, you may join the Special Meeting as a “guest”, but you will not be able to vote, ask questions or access the list of stockholders as of the Record Date.

Even if you plan to attend the Special Meeting, we encourage you to submit a proxy in advance by Internet, telephone or mail so that your vote will be counted even if you later decide not to attend the Special Meeting.

Can I revoke or change my vote after I submit my proxy?

Yes. Whether you have submitted a proxy by Internet, telephone or mail, if you are a stockholder of record, you may change your vote and revoke your proxy by:

•	sending a written statement to that effect to the attention of our Corporate Secretary at Unity Biotechnology, Inc., 124 Washington Street, Suite 101, Foxborough, Massachusetts 02035 provided such statement is received no later than September 17, 2025;

•	submitting another proxy by Internet or telephone at a later time before the closing of those voting facilities at 11:59 p.m., Pacific Time on September 17, 2025;

•	submitting a properly signed proxy card with a later date that is received no later than September 17, 2025; or

•	attending the Special Meeting, revoking your proxy and voting during the Special Meeting.

If you hold shares in street name, you may submit new voting instructions by contacting your bank, broker or other nominee. You may also change your vote or revoke your proxy during the Special Meeting if you obtain a signed proxy from the record holder (broker, bank or other nominee) giving you the right to vote the shares.

Your most recent proxy card or telephone or Internet proxy is the one that is counted. Your attendance at the Special Meeting by itself will not revoke your proxy unless you give written notice of revocation to the Company before your proxy is voted or you vote at the Special Meeting.

Who will count the votes?

The Secretary of the Company or such other person as may be selected by the officers of the Company will tabulate the votes and act as inspector of election.

What if I vote for one, but not all, of the proposals?

Shares of Common Stock represented by proxies received by us (whether received through the return of the enclosed proxy card or received by telephone or via the Internet) where the stockholder has provided voting instructions with respect to the proposals described in this proxy statement will be voted in accordance with the voting instructions so made. If your proxy card is properly executed and returned but does not contain voting instructions as to one or more of the proposals to be voted upon at the Special Meeting, or if you give your proxy by telephone or via the Internet without indicating how you want to vote on each of the proposals to be voted upon at the Special Meeting, your shares will be voted “FOR” the Dissolution Proposal and Adjournment Proposal. The share of Series A Preferred Stock may only vote on the Dissolution Proposal.

Who will pay for the cost of this proxy solicitation?

Unity is making the solicitation and will bear the costs of soliciting proxies. In addition to solicitations by mail, our director and President without additional remuneration, may solicit proxies by telephone, text message, facsimile, email, personal interviews, and other means. We have requested that brokerage houses, custodians, nominees, and fiduciaries forward copies of the proxy materials to the persons for whom they hold shares and request instructions for voting the proxies. We will reimburse the brokerage houses and other persons for their reasonable out-of-pocket expenses in connection with this distribution.

How can I access the proxy materials electronically?

Copies of this proxy statement and our 2024 Annual Report on Form 10-K as well as other materials filed by Unity with the SEC are available without charge to stockholders on Unity’s corporate website at https://unitybiotechnology.com/.

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May I still sell my shares of Common Stock?

Yes, for a limited period of time. As previously disclosed, our Common Stock was suspended from trading on the Nasdaq Global Select Market on July 9, 2025 at which time our Common Stock commenced trading on the OTC Markets. We expect that our Common Stock will continue to be traded on the OTC Markets prior to the Special Meeting. However, the Board intends to direct that our stock transfer books be closed and that recording of transfers of Common Stock discontinued and the stock transfer books will be closed upon the Effective Time. For additional information about our delisting from the Nasdaq Global Select Market, refer to our Current Report on Form 8-K, filed with the SEC on June 30, 2025.

What if during the check-in time or during the Special Meeting, I have technical difficulties or trouble accessing the virtual meeting website?

We will have technicians ready to assist you with any technical difficulties you may have accessing the virtual meeting website. If you encounter any difficulties accessing the virtual meeting website during the check-in or meeting time, please call the technical support number that will be posted on the Special Meeting login page.

Who can help answer my additional questions?

If you have any additional questions about the Special Meeting, Dissolution, Plan of Dissolution, Dissolution Proposal or Adjournment Proposal, how to submit your proxy, or if you need additional copies of this proxy statement or the enclosed proxy card or voting instructions, please contact Unity at Unity Biotechnology, Inc., 124 Washington Street, Suite 101, Foxborough, Massachusetts 02035, (508) 543-1720.

How can I know the voting results?

We plan to announce preliminary voting results at the Special Meeting and will publish final results in a Current Report on Form 8-K to be filed with the SEC within four business days following the Special Meeting.

Proposed Dissolution of the Company

Why is Unity seeking a stockholder vote on the Dissolution Proposal?

Under Section 275(b) of the DGCL, a Delaware corporation must obtain the approval of the holders of a majority of the outstanding stock of the corporation entitled to vote thereon before proceeding with a dissolution of the corporation. The Board therefore is seeking stockholder approval of the Dissolution Proposal in order to comply with Delaware law.

Why is the Board recommending approval of the Dissolution pursuant to the Plan of Dissolution?

The Board carefully reviewed and considered its options in light of the financial position of the Company, including our available cash, resources and operations following and in light of our previously announced review and pursuit of strategic alternatives. After due consideration of the options available to the Company, our Board has determined that Dissolution pursuant to the Plan of Dissolution, is advisable and in the best interests of the Company and our stockholders. See “Proposal 1: Approval of the Dissolution Pursuant to the Plan of Dissolution - Reasons for the Proposed Dissolution.”

What does the Plan of Dissolution entail?

The Plan of Dissolution provides an outline of the steps for the Dissolution of the Company under Delaware law. The Plan of Dissolution provides that we will file the Certificate of Dissolution following stockholder approval of the Dissolution; however, the decision of whether or not to proceed with the Dissolution and when to file the Certificate of Dissolution will ultimately be made by the Board in its sole discretion and in its own timing. The foregoing summary of the Plan of Dissolution is a summary only, does not purport to provide a complete description of the terms and provisions of the Plan of Dissolution, and is qualified in its entirety by the Plan of Dissolution, which is attached hereto as Exhibit A.

What will happen if the Dissolution is approved?

If the Dissolution is approved by our stockholders, our Board will have sole discretion to determine if and when (at such time as they deem appropriate following stockholder approval of the Dissolution) to proceed with

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the Dissolution. If the Board decides to proceed with the Dissolution, we will follow the dissolution and winding-up procedures prescribed by the DGCL and Plan of Dissolution, which requires, among other things, that the Company file a Certificate of Dissolution.

If our Board determines that the Dissolution is not in our best interests or not in the best interests of our stockholders, our Board may direct that the Dissolution be abandoned, or may amend or modify the Plan of Dissolution to the extent permitted by Delaware law without the necessity of further stockholder approval. After the Certificate of Dissolution has been filed, revocation of the Dissolution would require stockholder approval under Delaware law.

Are there any risks related to the Dissolution?

Yes. You should carefully review the section entitled “Risk Factors” beginning on page 3 of this proxy statement for a description of risks related to the Dissolution.

Will I owe any U.S. federal income taxes as a result of the Dissolution?

If the Dissolution is approved and implemented, distributions, if any, made pursuant to the Plan of Dissolution are intended to be treated as received by a stockholder as a series of liquidating distributions and could result in a U.S. federal income tax liability to the stockholder. A stockholder that is a U.S. Holder (as defined in “Proposal 1 - Approval of the Dissolution Pursuant to the Plan of Dissolution - Certain Material U.S. Federal Income Tax Consequences of the Proposed Dissolution”) generally will recognize gain or loss on a share-by-share basis equal to the difference between (1) the sum of the amount of cash and the fair market value of property, if any, distributed to the U.S. Holder with respect to each share of our Common Stock, less any known liabilities assumed by the U.S. Holder or to which the distributed property (if any) is subject, and (2) the U.S. Holder’s adjusted tax basis in each share of our Common Stock. For a more detailed discussion, including with respect to Non-U.S. Holders (as defined below), see the section entitled “Proposal 1 - Approval of the Dissolution Pursuant to the Plan of Dissolution - Certain Material U.S. Federal Income Tax Consequences of the Proposed Dissolution” beginning on page 25 of this proxy statement. Stockholders are urged to carefully review the discussion of tax matters within this proxy statement and to consult their tax advisors as to the specific tax consequences to them of the Dissolution.

What will happen to our Common Stock if the Certificate of Dissolution is filed with the Secretary of State of Delaware?

From and after the Effective Time, and subject to applicable law, each holder of shares of our Common Stock shall cease to have rights in respect of that stock, except the right to receive distributions, if any, pursuant to and in accordance with the Plan of Dissolution and the DGCL. After the Effective Time, our stock transfer records shall be closed, and we will not record or recognize any transfer of our Common Stock occurring after the Effective Time, except such transfers occurring by will, intestate succession or operation of law. Under the DGCL, no stockholder shall have any appraisal rights in connection with the Dissolution.

We expect to file the Certificate of Dissolution and for the Dissolution to become effective as soon as reasonably practicable after the Dissolution is approved by our stockholders; however, the decision of whether or not to proceed with the Dissolution and the timing of such filing will be made by the Board in its sole discretion and in its own timing.

What will happen to the share of Series A Preferred Stock after the approval of the Dissolution Proposal?

The share of Series A Preferred Stock will be automatically transferred back to the Company effective upon the final adjournment of the Special Meeting if the Dissolution Proposal is approved by the requisite vote of Company stockholders. After such time as the share of Series A Preferred Stock is automatically transferred back to the Company, the share of Series A Preferred Stock will cease to be outstanding and the holder of the share of Series A Preferred Stock will cease to have any rights in respect thereof. Immediately upon such automatic transfer, the share of Series A Preferred Stock will be automatically retired and restored to the status of an authorized but unissued share of preferred stock of the Company.

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PROPOSAL 1:

APPROVAL OF THE DISSOLUTION PURSUANT TO THE PLAN OF DISSOLUTION

Our Board has (i) determined that, the Dissolution is advisable and in the best interests of the Company and our stockholders, (ii) approved the Dissolution and (iii) adopted the Plan of Dissolution. The reasons for the Dissolution are described under “Background of the Proposed Dissolution” beginning on page 15 of this proxy statement. Our Board unanimously recommends that our stockholders approve the Dissolution.

In general terms, following the Effective Time, we will cease conducting our business, wind up our affairs, dispose of any remaining non-cash assets, pay or otherwise provide for our obligations, and distribute our remaining assets, if any, during a post-dissolution period of at least three years, as required by the DGCL. With respect to the Dissolution, we will follow the liquidation, dissolution and winding-up procedures prescribed by the DGCL and our Plan of Dissolution, as described in further detail under “Delaware Law Applicable to Our Dissolution” beginning on page 17 of this proxy statement. You should carefully consider the risk factors relating to our complete liquidation and dissolution as described under “Risk Factors - Risks Related to The Dissolution” beginning on page 3 of this proxy statement.

Subject to the requirements of the DGCL and our Plan of Dissolution described in this proxy statement, we will use our existing cash to pay for our winding up procedures, including:

•	the payment of income and other taxes;

•

the payment of the costs associated with our Dissolution and winding up over the Survival Period; these costs may include, among others, expenses necessary to the implementation and administration of our Plan of Dissolution and fees and other amounts payable to professional advisors (including legal counsel, financial advisors and others) and to consultants and others assisting us with our Dissolution;

•	the payment of any claims by others against us that we do not reject as part of the dissolution process;

•	the payment of any amounts owed by us under contracts with third parties;

•	the funding of any reserves or other security that is established to pay for asserted claims (including lawsuits) and possible future claims, as further described below; and

•

solely to the extent we have cash remaining after provision for the above-described payments and funding of any reserves or other security that is established, liquidating distributions to be made to our stockholders, which distributions may be made from time to time as available and in accordance with the procedures required by the DGCL and the Plan of Dissolution as described below.

Distributions to Stockholders

We cannot predict with certainty the amount of distributions, if any, to our stockholders. Based on the information currently available to us, and if our stockholders approve the Dissolution, we expect as of the date of this proxy statement that there will not be any amounts available for distribution to our stockholders in the Dissolution. Distributions, if any, to our stockholders may be paid in one or more distributions. Such distributions will not occur until after the Certificate of Dissolution is filed and becomes effective, and we cannot predict the timing or amount of any such distributions, as uncertainties as to the ultimate amount of our liabilities, the operating costs and amounts to be set aside for claims, obligations and provisions during the liquidation and winding-up process, and the related timing to complete such transactions make it impossible to predict with certainty the actual net cash amount that will ultimately be available for distribution to stockholders, if any, or the timing of any such distributions. Examples of uncertainties that could reduce the value of distributions, if any, to our stockholders include, without limitation: unanticipated costs relating to the defense, satisfaction or settlement of existing or future lawsuits or other claims threatened against us or our officers or directors (including currently unknown claims); amounts necessary to resolve claims of our creditors; and delays in the liquidation and dissolution or other winding up of our subsidiaries due to our inability to settle claims or otherwise.

Amounts, if any, we will be able to distribute to our stockholders in liquidation are subject to change and outside of our control. While we intend to pursue matters related to our liquidation and winding up as quickly as possible if we obtain approval from our stockholders, the timing of many elements of this process after our

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Dissolution will not be entirely within our control and, therefore, we are unable to estimate when we would be able to begin making any post-Dissolution liquidating distributions to our stockholders. See the section entitled “Risk Factors - Risks Related to The Dissolution” beginning on page 3 of this proxy statement.

The description of the Dissolution contained in this introductory section is general in nature and is subject to various other factors and requirements, as described in greater detail below.

Background of the Proposed Dissolution

In the ordinary course from time to time, our Board and management team have evaluated and considered a variety of financial and strategic opportunities for the Company as part of our long-term strategy to maximize value for our stockholders, including potential acquisitions, divestitures, business combinations, strategic alternatives and other transactions.

As part of the ongoing consideration and evaluation of our long-term prospects and strategies, our Board frequently reviews, with our management, strategic and financial alternatives in light of developments in our business, the competitive landscape, the economy generally and financial markets, all with the goal of maximizing value for our stockholders and making a positive impact in researching and developing therapeutics to slow, halt, or reverse diseases of aging, such as ophthalmologic diseases. As part of this process, from time to time, our management has engaged in business development and/or strategic discussions with industry participants. This includes contacts with numerous companies regarding potential partnerships and licensing, as well as a number of discussions with companies about strategic transactions.

Historically, we were a clinical-stage biotechnology company engaged in researching and developing therapeutics to slow, halt, or reverse diseases of aging. Our focus was on creating senolytic medicines to selectively eliminate senescent cells and thereby treat diseases of aging, such as ophthalmologic diseases, with the opportunity to explore neurology and other therapeutic areas. We have not generated product revenue since our inception and historically financed our operations primarily with the proceeds from public and private issuance of common stock and warrants and private placements of preferred stock and promissory notes. The Board considered strategic proposals and alternatives from time to time, considering the best interests of the Company and its stockholders.

In May 2023, we announced restructuring efforts to align resources to focus on our ongoing clinical programs and deliver on key development milestones. These actions to prioritize our ophthalmology programs and implement cost saving measures were designed to enable us to achieve multiple key clinical data readouts for UBX1325 with all other pipeline programs paused to focus resources on these advanced programs. As part of the May 2023 restructuring actions, we reduced our headcount by a total of nine employees, or approximately 29%, effective as of May 31, 2023.

During the fourth quarter of 2024 and first quarter of 2025, as part of ongoing discussion of our long-term prospects and strategies, including our cash runway in light of clinical prospects, our Board initiated discussion regarding options for the Company following receipt of topline data from the ASPIRE study in two data readouts: 24-week primary endpoint data in the first quarter of 2025, and 36-week long-term extension data in the second quarter of 2025. During this time, the Board met with financial advisors, engaged consultants, and met extensively with potential strategic partners and considered and pursued at length possible strategic alternatives available to Unity involving our assets or the Company as a whole, such as a sale, license, monetization and/or divestiture of one or more of the Company’s assets, a strategic transaction, collaboration, partnership or merger or other business combination.

On May 2, 2025, the Board, based on the ASPIRE results, and following a comprehensive review of the current operational, financial, and market conditions affecting the Company, approved an operating plan focused on evaluating strategic alternatives while reducing operational cash burn, including the closing out of the ASPIRE study of UBX1325. As a part of such operating plan, we implemented a reduction in force affecting all of our employees and entered into consulting agreements to retain certain personnel to support our evaluation of strategic alternatives and execution on the operating plan. In connection with this strategic review, we ceased all clinical development.

In connection with the implementation of the operating plan and the cessation of clinical development, the Board initiated discussions with the landlord of the Company’s Lease regarding termination options under the terms and conditions of the Lease with the intent of reducing the Company’s most significant operating expense

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and maximizing value for stockholders and residual claimants of the Company’s assets in connection with a proposed Dissolution. Such discussions are ongoing as of the date of this proxy statement.

After seeking potential funding sources and financing opportunities to continue to operate Unity’s business as well as other strategic alternatives between March 2023 and June 2025, including opportunities and strategic alternatives available to Unity involving our assets or the Company as a whole, such as a sale, license, monetization and/or divestiture of one or more of the Company’s assets, a strategic transaction, collaboration, partnership or merger or other business combination that were pursued at length and discussed at Board and committee meetings throughout May and June 2025, we have been unable to find a viable alternative to the Dissolution. During the foregoing period, the Board solicited information, reports and advice with respect to, and considered, several alternatives to Dissolution, including bankruptcy proceedings, an assignment for the benefit of creditors, a reverse merger, and continuing to execute on management’s business plan. It was determined that the various alternatives to dissolution were comparatively less desirable for several reasons, including by virtue of relative cost and feasibility of execution in light of the Company’s limited resources, contractual obligations, challenges in maintaining the Company’s public listing, and other factors. Our Board determined, following the receipt and consideration of advice from management and its professional advisors concerning Dissolution and alternatives thereto, that pursuing the Dissolution pursuant to the Plan of Dissolution gives our Board the most flexibility in, and presents the best pathway to, optimizing value for our stockholders and residual claimants.

As a result, on June 27, 2025, our Board (i) determined that the Dissolution is advisable and in the best interests of the Company and our stockholders, (ii) approved the Dissolution, and (iii) adopted the Plan of Dissolution. Effective June 27, 2025, in connection with the planned Dissolution and the planned wind down of the Company’s operations, (i) Anirvan Ghosh ceased serving as the Company’s Chief Executive Officer and principal executive officer, Lynne Sullivan ceased serving as the Company’s Chief Financial Officer, principal financial officer and principal accounting officer, and Alexander Nguyen ceased serving as the Company’s Chief Legal Officer and secretary, (ii) each of the Company’s then serving directors notified the Company of their resignation from the Board, effective that day, and (iii) the Board reduced its size from eight directors to one director in Class I authorized to serve on the Board. On June 27, 2025, in conjunction with the foregoing resignations, the Board appointed Craig R. Jalbert as the Company’s President and Corporate Secretary and as a Class I director, for a term that expires upon the election and qualification of his successor or until his earlier resignation or removal. Mr. Jalbert has served as a principal of the Foxborough, Massachusetts accounting firm of Verdolino & Lowey, P.C. since 1987. For over 30 years his practice has focused on distressed businesses, and he has served, and continues to serve, in the capacities of officer and director for numerous public and private companies in their wind down phases.

As of the date of this proxy statement, we have not received any viable offer to purchase the entire Company or to purchase or license or to otherwise allow us to monetize any of our assets or technologies. We intend to continue our efforts to identify strategic opportunities to help monetize the Company’s assets and technologies to maximize the value thereof, though to date we have not found a viable alternative to the Dissolution.

The Board believes that it is the best interests of our stockholders to hold a stockholder vote on the Dissolution in an efficient manner with the goal of preserving cash (including by avoiding the significant effort and money in soliciting proxy cards from stockholders for multiple special meetings of stockholders) to fund an orderly wind down of our operations and to maximize our cash position. In light of several factors considered at length, including that our stockholder base is comprised, in large part, of retail stockholders that have exhibited low turnout levels at our recent stockholder meetings, that convening stockholder meetings is an expensive and time-consuming exercise, and that the Company has limited cash and other resources, the Board determined to issue the Series A Preferred Share to Mr. Jalbert. Mr. Jalbert has contractually agreed to vote the Series A Preferred Share in the same proportion as votes of shares of Common Stock are cast for or against the Dissolution Proposal, providing a narrowly tailored mechanism intended to amplify the will of stockholders who attend the Special Meeting and vote on the Dissolution Proposal, thereby avoiding the expense of a potential adjournment, postponement, or rescheduling of the Special Meeting and maximizing value for stockholders and residual claimants of our assets.

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Reasons for the Proposed Dissolution

The Board believes that the Dissolution is in Unity’s best interests and the best interests of our stockholders. As discussed above, the Board considered and pursued at length potential strategic alternatives available to Unity such as a merger or other business combination transaction, asset or technology sale, strategic partnership, licensing, collaboration, or other transaction that would otherwise allow us to monetize and/or divest of one or more of our assets and technologies for the benefit of our stockholders and residual claimants. Following the results of such review, the Board determined that pursuing a wind-up of the Company in accordance with the Plan of Dissolution gives our Board the most flexibility in optimizing value for our stockholders.

In making its determination to approve the Dissolution, the Board considered, in addition to other pertinent factors, the fact that Unity currently has no significant remaining business operations or business prospects; the fact that Unity will continue to incur substantial accounting, legal and other expenses associated with being a public company despite having no source of revenue or financing alternatives; and the fact that Unity has conducted an evaluation to identify remaining strategic alternatives involving Unity’s assets or Unity as a whole, such as a sale, license, monetization and/or divestiture of one or more of the Company’s assets and technologies, a strategic transaction, collaboration, partnership, merger or sale that would have a reasonable likelihood of providing value to our stockholders in excess of the amount the stockholders would receive in a liquidation. As a result of its evaluation, and following consideration of information, reports and advice from management and the Company’s professional advisors, the Board concluded that the Dissolution is the preferred strategy among the alternatives now available to Unity and is in the best interests of Unity and its stockholders. Accordingly, the Board approved the Dissolution of Unity pursuant to the Plan of Dissolution and recommends that our stockholders approve the Dissolution Proposal. See “Proposal 1: Approval of the Dissolution Pursuant to the Plan of Dissolution - Sale of Our Remaining Assets.”

Delaware Law Applicable to our Dissolution

We are a corporation organized under the laws of the State of Delaware and the Dissolution will be governed by the DGCL. The following is a brief summary of some of the DGCL provisions applicable to the Dissolution. The following summary is qualified in its entirely by Sections 275 through 283 of the DGCL, which are attached to this proxy statement as Annex A.

Delaware Law Generally

Authorization of Board and Stockholders. If a corporation’s board of directors deems it advisable that the corporation should dissolve, it may adopt a resolution to that effect by a majority vote of the whole board and notify the corporation’s stockholders entitled to vote on the dissolution of the adoption of the resolution and the calling of a meeting of stockholders to act on the resolution. Our Board has unanimously adopted a resolution approving the Dissolution and the Plan of Dissolution and declaring them advisable and recommending them to our stockholders. The Dissolution must be authorized and approved by the holders of a majority of the voting power of our outstanding Common Stock and Series A Preferred Stock on the Record Date entitled to vote on the Dissolution Proposal, voting together as a single class.

Certificate of Dissolution. If a corporation’s stockholders authorize its dissolution, the corporation must file a certificate of dissolution with the Secretary of State to consummate the dissolution. If our stockholders authorize the Dissolution at the Special Meeting, we intend to file the Certificate of Dissolution with the Secretary of State as soon as reasonably practicable after the receipt of such approval. However, the timing of such filing is subject to the discretion of the Board.

Possible Permitted Abandonment of Dissolution. The resolution authorizing a proposed dissolution adopted by a corporation’s board of directors provides that, notwithstanding authorization of the dissolution by the corporation’s stockholders, the board of directors may abandon the dissolution without further action by the stockholders. While we do not currently foresee any reason that our Board would abandon the Dissolution once it is authorized by our stockholders, to provide our Board with the maximum flexibility to act in the best interests of our stockholders, the resolutions adopted by our Board and the Plan of Dissolution included language providing the Board with the flexibility to abandon the Dissolution without further action of our stockholders at any time prior to the filing and effectiveness of the Certificate of Dissolution.

Time of Dissolution. When a corporation’s certificate of dissolution is filed with the Secretary of State and has become effective, along with the corporation’s tender of all taxes (including Delaware franchise taxes) and

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fees authorized to be collected by the Secretary of State, the corporation will be dissolved. We refer to the effective time of the Certificate of Dissolution herein as the “Effective Time.”

Continuation of Corporation After Dissolution

A dissolved corporation continues its existence for three years after dissolution, or such longer period as the Delaware Court of Chancery may direct, for the purpose of prosecuting and defending suits and enabling the corporation to settle and close its business, to dispose of and convey its property, to discharge its liabilities and to distribute to its stockholders any remaining assets, if any. A dissolved corporation may not, however, continue the business for which it was organized. Any action, suit or proceeding begun by or against the corporation before or during the Survival Period (as defined below) does not abate by reason of the dissolution, and for the purpose of any such action, suit or proceeding, the corporation will continue beyond the Survival Period until any related judgments, orders or decrees are fully executed, without the necessity for any special direction by the Delaware Court of Chancery. Our Plan of Dissolution will govern our winding up process after Dissolution. See the section entitled “Our Plan of Dissolution” beginning on page 20.

Payment and Distribution to Claimants and Stockholders

A dissolved corporation must pay or make provision for the payment (or reservation of funds as security for payment) of claims against the corporation and distribute remaining assets to the corporation’s stockholders, in each case in accordance with the applicable provisions of the DGCL and the Plan of Dissolution. The dissolved corporation may do this by following one of two procedures, as described below.

Safe Harbor Procedures under DGCL Sections 280 and 281(a)(the “Safe Harbor Procedures”)

A dissolved corporation may elect to give notice of its dissolution to persons having a claim against the corporation (other than claims against the corporation in any pending actions, suits or proceedings to which the corporation is a party) (“Current Claimants”) and to persons with contractual claims contingent on the occurrence or nonoccurrence of future events or otherwise conditional or unmatured (“Contingent Contractual Claimants”), and after giving these notices, following the procedures set forth in the DGCL, as described below.

The Plan of Dissolution provides the Board with the discretion to elect to follow the Safe Harbor Procedures rather than the Alternative Procedures (as defined below).

Current Claimants

Notices and Publication. The notice to Current Claimants must state (1) that all such claims must be presented to the corporation in writing and must contain sufficient information that will reasonably inform the corporation of the identity of the claimant and the substance of the claim; (2) the mailing address to which the claim must be sent; (3) the date (the “Claim Date”) by which the claim must be received by the corporation, which must be no earlier than 60 days from the date of the corporation’s notice; (4) that the claim will be barred if not received by the Claim Date; (5) that the corporation may make distributions to other claimants and the corporation’s stockholders without further notice to the Current Claimant; and (6) the aggregate annual amount of all distributions made by the corporation to its stockholders for each of the three years before the date of dissolution. The notice must be published at least once a week for two consecutive weeks in a newspaper of general circulation in the county in which the corporation’s registered agent in Delaware is located and in the corporation’s principal place of business and, in the case of a corporation having $10 million or more in total assets at the time of dissolution, at least once in all editions of a daily newspaper with a national circulation. On or before the date of the first publication of the notice, the corporation must also mail a copy of the notice by certified or registered mail, return receipt requested, to each known claimant of the corporation, including persons with claims asserted against the corporation in a pending action, suit or proceeding to which the corporation is a party.

Effect of Non-Responses to Notices. If the dissolved corporation does not receive a response to the corporation’s notice by the Claim Date from a Current Claimant who was given actual notice according to the foregoing paragraph, then the claimant’s claim will be barred.

Treatment of Responses to Notices. If the dissolved corporation receives a response to the corporation’s notice by the Claim Date, the dissolved corporation may accept or reject, in whole or in part, the claim. If the

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dissolved corporation rejects a claim, it must mail a notice of the rejection to the Current Claimant by certified or registered mail, return receipt requested, within 90 days after receipt of the claim (or, if earlier, at least 150 days before the expiration of the Survival Period). The notice must state that any claim so rejected will be barred if the Current Claimant does not commence an action, suit or proceeding with respect to the claim within 120 days of the date of the rejection.

Effect of Non-Responses to Rejections of Claims. If the dissolved corporation rejects a claim and the Current Claimant does not commence an action suit or proceeding with respect to the claim within the 120-day post-rejection period, then the Current Claimant’s claim will be barred.

Contingent Contractual Claims

Notices. The notice to Contingent Contractual Claimants (persons with contractual claims contingent on the occurrence or nonoccurrence of future events or otherwise conditional or unmatured) must be in substantially the same form and sent and published in the same manner, as notices to Current Claimants and shall request that Contingent Contractual Claimants present their claims in accordance with the terms of such notice.

Responses to Contractual Claimants. If the dissolved corporation receives a response by the date specified in the notice by which the claims from Contingent Contractual Claimants must be received by the corporation, which must be no earlier than 60 days from the date of the corporation’s notice to Contingent Contractual Claimants, the dissolved corporation must offer to the Contingent Contractual Claimant such security as the dissolved corporation determines is sufficient to provide compensation to the claimant if the claim matures. This offer must be mailed to the Contingent Contractual Claimant by certified or registered mail, return receipt requested, within 90 days of the dissolved corporation’s receipt of the claim (or, if earlier, at least 150 days before the expiration of the post-dissolution survival period). If the Contingent Contractual Claimant does not deliver to the dissolved corporation a written notice rejecting the offer within 120 days after receipt of the offer for security, the claimant is deemed to have accepted the security as the sole source from which to satisfy the claim against the dissolved corporation.

Determinations by Delaware Court of Chancery

A dissolved corporation that has complied with the Safe Harbor Procedures must petition the Delaware Court of Chancery to determine the amount and form of security that will be (1) reasonably likely to be sufficient to provide compensation for any claim against the dissolved corporation that is the subject of a pending action, suit or proceeding to which the dissolved corporation is a party, other than a claim barred pursuant to the Safe Harbor Procedures, (2) sufficient to provide compensation to any Contingent Contractual Claimant who has rejected the dissolved corporation’s offer for security for such person’s claims made pursuant to the Safe Harbor Procedures, and (3) reasonably likely to be sufficient to provide compensation for claims that have not been made known to the dissolved corporation or that have not arisen but that, based on facts known to the dissolved corporation, are likely to arise or to become known to the dissolved corporation within five years after the date of dissolution or such longer period of time as the Delaware Court of Chancery may determine, not to exceed ten years after the date of dissolution.

Payments and Distributions

If a dissolved corporation has followed the Safe Harbor Procedures, then it will (1) pay the current claims made but not rejected, (2) post the security offered and not rejected for contractual claims that are contingent, conditional or unmatured, (3) post any security ordered by the Delaware Court of Chancery in response to the dissolved corporation’s petition to the court described above, and (4) pay or make provision for all other claims that are mature, known and uncontested or that have been finally determined to be owing by the dissolved corporation. If there are insufficient assets to make these payments and provisions, they will be paid or provided for according to their priority, and, among claims of equal priority, ratably to the extent of assets legally available therefor.

All remaining assets will be distributed to the dissolved corporation’s stockholders, but not earlier than 150 days after the date of the last notice of rejection given by the dissolved corporation to a Current Claimant pursuant to the Safe Harbor Procedures.

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Alternative Procedures under DGCL Section 281(b) (the “Alternative Procedures”)

If a dissolved corporation does not elect to follow the Safe Harbor Procedures, it must adopt a plan of distribution pursuant to which it will (1) pay or make reasonable provision to pay all claims and obligations, including all contingent, conditional or unmatured contractual claims known to the corporation, (2) make such provision as will be reasonably likely to be sufficient to provide compensation for any claim against the dissolved corporation that is the subject of a pending action, suit or proceeding to which the dissolved corporation is a party and (3) make such provision as will be reasonably likely to be sufficient to provide compensation for claims that have not been made known to the dissolved corporation or that have not arisen but that, based on facts known to the dissolved corporation, are likely to arise or to become known to the dissolved corporation within ten years after the date of dissolution. If there are insufficient assets to make these payments and provisions, then they will be paid or provided for according to their priority and, among claims of equal priority, ratably to the extent of assets legally available therefor. All remaining assets will be distributed to the dissolved corporation’s stockholders.

The Plan of Dissolution adopted by the Board and proposed to the stockholders for approval constitutes the plan of distribution for purposes of the Alternative Procedures. The Board currently anticipates dissolving Unity in accordance with the Alternative Procedures, but retains the discretion to elect to follow the Safe Harbor Procedures.

Liabilities of Stockholders and Directors

If a dissolved corporation follows either the Safe Harbor Procedures or the Alternative Procedures, then (1) a stockholder of the dissolved corporation’s will not be liable for any claim against the dissolved corporation in an amount in excess of the lesser of (a) the stockholder’s pro rata share of the claim and (b) the amount distributed to the stockholder. If a dissolved corporation follows the Safe Harbor Procedures, then a stockholder of the dissolved corporation will not be liable for any claim against the dissolved corporation pursuant to any action, suit or proceeding that is not begun before the expiration of the Survival Period. In no event will the aggregate liability of a stockholder of a dissolved corporation for claims against the dissolved corporation exceed the amount distributed to the stockholder in dissolution. If a dissolved corporation fully complies with either the Safe Harbor Procedures or the Alternative Procedures, then the dissolved corporation’s directors will not be personally liable to the dissolved corporation’s claimants.

Application of These Procedures to Us

We currently plan to elect to follow the Alternative Procedures. However, our Plan of Dissolution provides our Board with the discretion to decide to instead follow the Safe Harbor Procedures.

Our Plan of Dissolution

The Dissolution will be conducted in accordance with the Plan of Dissolution, which is attached to this proxy statement as Exhibit A and incorporated by reference into this proxy statement. The following is a summary of our Plan of Dissolution and does not purport to be complete or contain all of the information that is important to you. To understand our Plan of Dissolution more fully, you are urged to read this proxy statement as well as the Plan of Dissolution. Our Plan of Dissolution provides that it may be modified, amended or abandoned without further action by the stockholders to the extent permitted by the DGCL.

Authorization and Effectiveness

Our Plan of Dissolution will be approved pursuant to the DGCL if the holders of a majority in voting power of the outstanding shares of Common Stock and the Series A Preferred Share entitled to vote on the Dissolution Proposal, voting together as a single class, approve the Dissolution Proposal and will constitute our authorized plan of distribution pursuant to Section 281(b) of the DGCL and will evidence our authority to take all actions described in the Plan of Dissolution. Following the authorization of the Dissolution by our stockholders, at such time as our Board determines to be appropriate, we will file the Certificate of Dissolution with the Secretary of State and ensure that all relevant taxes (including Delaware franchise taxes) and fees authorized to be collected by the Secretary of State are paid. The Effective Time of our Dissolution will be when the Certificate of Dissolution is filed with the office of the Secretary of State or such later date and time that is stated in the Certificate of Dissolution.

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Survival Period

For three years after the Effective Time (or such longer period as the Delaware Court of Chancery may direct) (the “Survival Period”), we will continue as a body corporate for the purpose of prosecuting and defending lawsuits (civil, criminal or administrative) by or against us; settling and closing our business; disposing of and conveying our property; discharging our liabilities in accordance with the DGCL; and distributing our remaining assets to our stockholders. We will no longer engage in research and development or other business activities, except to the extent necessary to sell, license, monetize and/or divest of one or more of the Company’s assets and technologies to realize potential benefit for our creditors and stockholders and to wind up our business affairs in accordance with our Plan of Dissolution. We anticipate that distributions, if any, to our stockholders will be made in cash, and may be made at any time, from time to time, in accordance with the DGCL.

General Liquidation, Winding Up and Distribution Process

We intend to elect to follow the Alternative Procedures described under the section entitled “Alternative Procedures under DGCL Section 281(b)” beginning on page 20 of this proxy statement but our Board retains the discretion to opt to dissolve the Company in accordance with the Safe Harbor Procedures.

Continuing Employees and Consultants

During the Survival Period, we may retain, hire, employ or contract with employees, consultants, agents, trustees, independent professional advisors (including legal counsel, accountants and financial advisors) and others, as the Board may determine, from time to time, to be necessary or advisable to effect the Dissolution as described in our Plan of Dissolution. The Board expects that during the Dissolution, the Company will continue to retain Verdolino & Lowey, P.C. to help with the winding-up activities and administering the Dissolution. The Board also expects that outside legal and financial advisors will continue to advise on and assist with the Dissolution.

After filing the Certificate of Dissolution, the Board expects it will maintain the size of the Board at one Board seat to save costs.

We may, in the absolute discretion of the Board, pay the Company’s directors, any employees it may hire, consultants, agents and other representatives, compensation or additional compensation above their regular compensation, including pursuant to severance and retention agreements, in money or other property, in recognition of the extraordinary efforts they will be required to undertake in connection with the implementation of the Plan of Dissolution; however, given the Company’s already streamlined operations, the Board does not expect to need to hire any employees or otherwise expand the team of advisors and consultants currently in place.

Sale of Our Remaining Assets

The Plan of Dissolution contemplates the sale of all of our remaining non-cash assets if and at such time as the Board may approve, without further stockholder approval. The Plan of Dissolution does not specify the manner in which we may sell our assets. Such sales could take the form of sales of individual assets, sales of groups of assets organized by type of asset or otherwise, a single sale of all or substantially all of our assets, or some other form of sale. The assets may be sold to one or more purchasers in one or more transactions over a period of time. It is not anticipated that any further stockholder votes will be solicited with respect to the approval of the specific terms of any particular sales of assets approved by the Board. We do not anticipate amending or supplementing this proxy statement to reflect any such agreement or sale, unless required by applicable law, or selling any additional assets in the future. There can be no assurance that these efforts will yield the desired outcome or result in the greatest recovery, if any, for our stockholders. See the section entitled “Risk Factors - Risks Related to the Dissolution” beginning on page 3 of this proxy statement.

Costs and Expenses

We will pay all costs and expenses that the Board may determine from time to time to be necessary or advisable to effect the Dissolution in accordance with the Plan of Dissolution and as may be necessary or advisable to continue our existence and operations. These costs and expenses may include, without limitation, brokerage, agency, professional, consulting and other fees and expenses of persons rendering services to the Company in connection with the matters described in the Plan of Dissolution and costs incurred to comply with contracts to which the Company is a party.

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Indemnification

We will continue to indemnify our current and former officers, directors, employees and agents in accordance with, and to the extent required or permitted by, the DGCL, our Amended and Restated Certificate of Incorporation, our Amended and Restated Bylaws and any contractual arrangements, whether these arrangements existed before the Dissolution or were entered into after the Dissolution. During the Survival Period, acts and omissions of any indemnified or insured person in connection with the implementation of the Plan of Dissolution will be covered to the same extent that they were covered before the effective time of the Dissolution. The Board is authorized to obtain and maintain insurance as may be necessary to cover the Company’s indemnification obligations, including seeking an extension in time and coverage of our insurance policies currently in effect.

Stockholder Consent

Approval of the Dissolution Proposal by the holders of a majority of the voting power of the outstanding stock of the Company entitled to vote thereon shall, to the fullest extent permitted by law, constitute approval of all matters described in this proxy statement relating to the Dissolution, including our Plan of Dissolution.

Approval of the Dissolution Proposal by the holders of a majority of the outstanding stock of the Company entitled to vote thereon shall constitute the authorization of the sale, exchange or other disposition in liquidation of all of the remaining property and assets of the Company after the Effective Time of the Dissolution, whether the sale, exchange or other disposition occurs in one transaction or a series of transactions, and shall constitute ratification of any and all contracts for sale, exchange or other disposition that are conditioned on stockholder approval. We note that we have not solicited, and do not intend to solicit, affiliates to purchase our assets as part of the Plan of Dissolution. The Plan of Dissolution is not intended as a “going private transaction” within the meaning of Rule 13e-3 under the Exchange Act. In the event that our plans change, and we engage in a transaction identified in Rule 13e-3 with an affiliate, we would comply with the requirements of Rule 13e-3, including filing a Schedule 13e-3.

Legal Claims

We will defend any claims against us, our officers or directors, whether a claim exists before the Effective Time or is brought during the Survival Period, based on advice and counsel of our legal and other advisors and in such manner, at such time and with such costs and expenses as our Board may approve from time to time. During the Survival Period, we may continue to prosecute any claims that we had against others before the Effective Time and may institute any new claims against any person as the Board may determine necessary or advisable to protect the Company and its assets and rights or to implement the Plan of Dissolution. At the Board’s discretion, we may defend, prosecute or settle any lawsuits, as applicable.

Effective Time; Stock of the Company

The Effective Time will be the time the Certificate of Dissolution is filed with the office of the Secretary of State or such later date and time that is stated in the Certificate of Dissolution.

From and after the Effective Time, and subject to applicable law, each holder of shares of our Common Stock shall cease to have any rights in respect of that stock, except the right to receive distributions, if any, pursuant to and in accordance with the Plan of Dissolution and the DGCL. After the Effective Time, our stock transfer records shall be closed, and we will not record or recognize any transfer of our Common Stock occurring after the Effective Time, except such transfers occurring by will, intestate succession or operation of law. We expect the Effective Time to be as soon as reasonably practicable after the Dissolution is approved by our stockholders. No stockholder shall have any appraisal rights in connection with our Dissolution and winding-up.

Unclaimed Distributions

If any distribution to a stockholder cannot be made, whether because the stockholder cannot be located, has not surrendered a certificate evidencing ownership of the Company’s Common Stock or provided other evidence of ownership as required in the Plan of Dissolution or by the Board or for any other reason, the distribution to which the stockholder is otherwise entitled will be transferred, at such time as the final liquidating distribution is made by us, or as soon as practicable after that distribution, to the official of such state or other jurisdiction

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authorized by applicable law to receive the proceeds of the distribution. The proceeds of such distribution will thereafter be held solely for the benefit of and for ultimate distribution to the stockholder as the sole equitable owner of the distribution and will be treated as abandoned property and escheat to the applicable state or other jurisdiction in accordance with applicable law. The proceeds of any such distribution will not revert to or become the property of the Company.

Liquidating Trust

While we do not currently propose transferring our assets to a liquidating trust, we may do so if deemed appropriate by our Board, based on advice of our legal, tax and accounting advisors. We may, for example, transfer assets to a liquidating trust if we are unable to complete the Dissolution within the initial three-years of the Survival Period.

Abandonment, Exceptions, Modifications, Clarifications and Amendments

Notwithstanding the approval of the Dissolution Proposal by our stockholders as described in this proxy statement, our Board will have the right, as permitted by the DGCL and the resolutions of the Board recommending the Dissolution and Plan of Dissolution to the stockholders for approval, to abandon the Dissolution at any time before the Effective Time and terminate our Plan of Dissolution, without any action by our stockholders, if our Board determines that doing so is in the best interest of us and our stockholders. Without further action by our stockholders, our Board may, to the extent permitted by Delaware law, waive, modify or amend any part of our Plan of Dissolution, and may provide for exceptions to or clarifications of the terms of our Plan of Dissolution. After the Effective Time, revocation of the Dissolution would require stockholder approval under Delaware law.

Contingent Liabilities; Reserves

Under Delaware law, we are required, in connection with the Dissolution, to pay or make reasonable provision for payment of our liabilities, obligations and claims against the Company. We will pay all of our expenses (including operating and wind-up expenses to be incurred throughout the Dissolution and wind-up process) and other known, non-contingent liabilities. We have used and anticipate continuing to use cash until the end of the Survival Period for a number of items, including, but not limited to, the following:

•	expenses, including retention amounts, incurred in connection with extending our directors’ and officers’ insurance coverage;

•	expenses incurred in connection with the Dissolution;

•	taxes imposed upon us and any of our assets; and

•	professional, legal, consulting and accounting fees.

We will maintain a reserve, consisting of cash or other assets that we believe will be adequate for the satisfaction of all of our current known, unknown, contingent and/or conditional claims and liabilities. We may also take other steps to provide for the satisfaction of the reasonably estimated amount of such claims and liabilities, including acquiring insurance coverage with respect to certain claims and liabilities.

The estimated amount of a reserve (if any) would be based upon certain estimates and assumptions and a review of our estimated operating expenses and future estimated liabilities, including, without limitation, estimated operating costs, directors’ and officers’ insurance, legal, accounting and consulting fees and miscellaneous expenses, and accrued expenses reflected in our financial statements. There can be no assurance that the reserve will be sufficient. If any of our estimates regarding the expenses to be incurred in the liquidation process, including expenses of personnel required and other operating expenses (including legal, accounting and consulting fees) necessary to dissolve and liquidate the Company and the expenses to satisfy outstanding obligations, liabilities and claims during the liquidation process, are inaccurate, we may be required to increase the amount of the reserve. After the liabilities, expenses and obligations for which the reserve is established have been satisfied in full (or determined not to be owed), we will distribute to our stockholders any remaining portion of the reserve.

In the event we fail to create an adequate reserve for the payment of our expenses and liabilities and amounts have been distributed to the stockholders under the Plan of Dissolution, our creditors may be able to

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pursue claims against our stockholders directly, provided that the DGCL provides that the aggregate liability of any stockholder of a dissolved corporation for claims against the dissolved corporation shall not exceed the amount distributed to such stockholder in dissolution. See the section entitled “Risk Factors - Risk Factors Related to the Dissolution - Our stockholders may be liable to third parties for part or all of the amount received from us in our liquidating distributions if reserves are inadequate” beginning on page 5 of this proxy statement.

If it is determined by a court that we failed to make adequate provision for our expenses and liabilities or if the amount required to be paid in respect of such liabilities exceeded the amount available from the reserve and any assets of the liquidating trust or trusts, a creditor of ours could seek an injunction against the making of liquidating distributions under the Plan of Dissolution on the grounds that the amounts to be distributed were needed to provide for the payment of our expenses and liabilities. Any such action could delay or substantially diminish the cash distributions to be made to stockholders under the Plan of Dissolution, if any.

Reporting Requirements

Whether or not the Dissolution is approved, we will have an obligation to continue to comply with the applicable reporting requirements of the Exchange Act until we have exited from such reporting requirements. We plan to initiate steps to exit from certain reporting requirements under the Exchange Act. However, such process may be protracted and we may be required to continue to file Current Reports on Form 8-K to disclose material events, including those related to the Dissolution. Accordingly, we will continue to incur expenses that will reduce any amount available for distribution, including expenses of complying with public company reporting requirements and paying our service providers, among others.

Interests of Certain Persons in the Dissolution

After the Effective Time, we expect that Craig Jalbert, the sole member of our Board and our President and Secretary, will continue in his positions for the purpose of winding up our business and affairs. We expect to compensate this individual for his service in these roles during the Dissolution.

See “Security Ownership of Certain Beneficial Owners and Management” for information regarding the number of shares of Common Stock owned by our directors and executive officers.

Our Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws and the DGCL

During the Survival Period, we will continue to be governed by Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws, insofar as their terms apply and insofar as necessary or appropriate to implement our Plan of Dissolution. Our Board will continue to have the authority to amend our Amended and Restated Bylaws as it may deem necessary or advisable.

Authority of the Board

If the Plan of Dissolution is approved by our stockholders, our Board, without further action by our stockholders, will be authorized to take all actions as it deems necessary or advisable to implement our Plan of Dissolution. All determinations and decisions to be made by our Board will be at the absolute and sole discretion of our Board.

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CERTAIN MATERIAL U.S. FEDERAL INCOME TAX CONSEQUENCES

OF THE PROPOSED DISSOLUTION

The following discussion is a summary of the material U.S. federal income tax consequences of the proposed Dissolution to U.S. Holders and Non-U.S. Holders (each as defined below), but does not purport to be a complete analysis of all potential tax effects. The effects of other U.S. federal tax laws, such as estate and gift tax laws, and any applicable state, local, or non-U.S. tax laws are not discussed. This discussion is based on the Internal Revenue Code of 1986, as amended (the “Code”), Treasury Regulations promulgated thereunder, judicial decisions, and published rulings and administrative pronouncements of the U.S. Internal Revenue Service (the “IRS”), in each case in effect as of the date hereof. These authorities may change or be subject to differing interpretations. Any such change or differing interpretation may be applied retroactively in a manner that could adversely affect a stockholder of our Common Stock. We have not sought and will not seek an opinion of counsel or any rulings from the IRS regarding the matters discussed below. There can be no assurance the IRS or a court will not take a contrary position to that discussed below regarding the tax consequences of the Dissolution.

This discussion is limited to U.S. Holders and Non-U.S. Holders that hold our Common Stock as a “capital asset” within the meaning of Section 1221 of the Code (generally, property held for investment). This discussion does not address all of the U.S. federal income tax consequences that may be relevant to our stockholders in light of their individual circumstances, including the impact of the Medicare contribution tax on net investment income and the alternative minimum tax. In addition, it does not address any U.S. federal income tax consequences to our stockholders or are subject to special rules, such as:

•	banks, financial institutions, or insurance companies;

•	tax-exempt organizations or governmental organizations;

•	persons who hold shares of our Common Stock as part of a straddle, hedge, integrated transaction, or conversion transaction;

•	U.S. expatriates and former citizens or long-term residents of the United States;

•	persons holding shares through a partnership or other fiscally transparent entity;

•	persons deemed to sell our common stock under the constructive sale provisions of the Code;

•	brokers, dealers, or traders in securities, commodities. or currencies, or other persons who have elected mark-to-market accounting;

•	U.S. Holders whose “functional currency” is not the U.S. dollar;

•	regulated investment companies or real estate investment trusts;

•	stockholders who received shares of our Common Stock through the exercise of incentive stock options or through the issuance of restricted stock under an equity incentive plan or otherwise as compensation;

•	persons for whom our Common Stock constitutes “qualified small business stock” under Section 1202 of the Code;

•	“controlled foreign corporations,” “passive foreign investment companies,” and corporations that accumulate earnings to avoid U.S. federal income tax;

•	“qualified foreign pension funds” as defined in Section 897(l)(2) of the Code and entities all of the interests of which are held by qualified foreign pension funds;

•	persons subject to special tax accounting rules as a result of any item of gross income with respect to our Common Stock being taken into account in an applicable financial statement;

•	tax-qualified retirement plans; or

•	persons who own (directly or through attribution) five percent or more (by voting power or value) of our Common Stock.

If a partnership (or other entity or arrangement treated as a partnership for U.S. federal tax purposes) holds our Common Stock, the tax treatment of a partner in that partnership will generally depend on the status of the

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partner, the activities of the partnership, and certain determinations made at the partner level. Accordingly, partnerships holding our Common Stock and the partners in such partnerships should consult their tax advisors regarding the U.S. federal income tax consequences to them.

THIS DISCUSSION IS FOR INFORMATION PURPOSES ONLY AND IS NOT LEGAL OR TAX ADVICE. STOCKHOLDERS SHOULD CONSULT THEIR TAX ADVISORS WITH RESPECT TO THE APPLICATION OF THE U.S. FEDERAL INCOME TAX LAWS TO THEIR PARTICULAR SITUATIONS AS WELL AS ANY TAX CONSEQUENCES OF THE DISSOLUTION ARISING UNDER THE U.S. FEDERAL ESTATE OR GIFT TAX LAWS OR UNDER THE LAWS OF ANY STATE, LOCAL, OR NON-U.S. TAXING JURISDICTION OR UNDER ANY APPLICABLE INCOME TAX TREATY.

Definitions of U.S. Holder and Non-U.S. Holder

For purposes of this discussion, a “U.S. Holder” is a beneficial owner of shares of Common Stock of the Company that for U.S. federal income tax purposes is or is treated as:

•	an individual citizen or resident of the United States;

•	a corporation created or organized in or under the laws of the United States or any state thereof or the District of Columbia;

•	an estate the income of which is subject to U.S. federal income tax regardless of its source; or

•

a trust that (1) is subject to the primary supervision of a U.S. court and one or more United States persons (within the meaning of Section 7701(a)(30) of the Code) have authority to control all of the substantial decisions of the trust, or (2) has a valid election in effect to be treated as a United States person.

For purposes of this discussion, a “Non-U.S. Holder” is any beneficial owner of our common stock that is neither a U.S. Holder nor an entity or arrangement treated as a partnership for U.S. federal income tax purposes.

U.S. Federal Income Tax Consequences of the Dissolution

We intend for distributions made pursuant to the Plan of Dissolution to be treated as a series of distributions in complete liquidation of the Company, and this discussion assumes this treatment will be respected. In accordance with such treatment, each of our stockholders will be treated as receiving its portion of such distributions in exchange for its shares of our Common Stock. If a stockholder holds different blocks of shares of our Common Stock (generally, shares of our Common Stock purchased or acquired on different dates or at different prices), the holder’s portion of such distributions must be allocated among the several blocks of shares in the proportion that the number of shares in a particular block bears to the total number of shares owned by the holder.

If we distribute any asset other than cash pursuant to the Plan of Dissolution, or if a stockholder assumes a liability in connection with the Dissolution, the treatment of such asset or liability may vary depending on the circumstances of the stockholder and the nature of the asset or liability. Stockholders should consult their tax advisors with respect to the tax consequences to them of the receipt of any such asset or assumption of any such liability.

Until all of our remaining assets have been distributed to our stockholders or a liquidating trust and the liquidation is complete, we will continue to be subject to U.S. federal income tax on our income, if any, such as interest income. We will recognize gain or loss, if any, upon the sale of any assets held directly by us in connection with our Dissolution in an amount equal to the difference between (1) the fair market value of the consideration received for each asset sold and (2) our adjusted tax basis in the asset sold. We should not recognize any gain or loss upon the distribution of cash to our stockholders as part of the proposed Dissolution. If we do make a liquidating distribution to our stockholders of property other than cash, we generally will recognize gain or loss upon the distribution of the property as if the property were sold to our stockholders for its fair market value on the date of the distribution. Any tax liability resulting from the proposed Dissolution will reduce the cash available for distribution to our stockholders.

Notwithstanding our position that any distributions made pursuant to the Plan of Dissolution will be treated as a series of distributions in complete liquidation of the Company, it is possible that the IRS or a court could

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determine that any of these distributions is a current distribution. In addition, if the Dissolution is abandoned or revoked, these distributions would be treated as current distributions. A current distribution would be treated as a dividend for U.S. federal income tax purposes to the extent of our current and accumulated earnings and profits. Under this treatment, amounts not treated as dividends for U.S. federal income tax purposes would constitute a return of capital and first be applied against and reduce a holder’s adjusted tax basis in its shares of our Common Stock, but not below zero. Any excess would be treated as capital gain. Stockholders should consult their tax advisors with respect to the proper characterization of any distributions made pursuant to the Plan of Dissolution.

U.S. Federal Income Tax Consequences to U.S. Holders

U.S. Holders that receive any distributions made by us pursuant to the Plan of Dissolution will be treated as receiving those amounts as full payment in exchange for their shares of Common Stock in the Company. A U.S. Holder generally will recognize gain or loss on a share-by-share basis equal to the difference between (1) the sum of the amount of cash and the fair market value of property, if any, distributed to such holder with respect to each share (including distributions to any liquidating trust, as discussed below), less any known liabilities assumed by the U.S. Holder or to which the distributed property (if any) is subject, and (2) such U.S. Holder’s adjusted tax basis in each share of our Common Stock. Liquidating distributions are first applied against, and reduce, the U.S. Holder’s adjusted tax basis with respect to a share or a block of shares of Common Stock before recognizing any gain or loss. A stockholder will recognize gain to the extent the aggregate distributions allocated to the share of Common Stock or, if applicable, block of Common Stock exceeds the U.S. Holder’s adjusted tax basis with respect to such share or such block. A U.S. Holder will recognize loss only to the extent such holder has an adjusted tax basis with respect to a share or a block after taking into account all liquidating distributions allocated to the share or the block. Any loss can only be recognized in the tax year that a U.S. Holder receives our final liquidating distribution.

Generally, gain or loss recognized by a U.S. Holder in connection with the proposed Dissolution will be capital gain or loss, and will be long-term capital gain or loss if the holder has held a share or block for more than one year or short-term capital gain or loss if the holder has held the share or block for one year or less. Certain U.S. Holders, including individuals, may qualify for preferential tax rates on long-term capital gains. The deductibility of capital losses is subject to certain limitations. Amounts, if any, received by a U.S. Holder upon the resolution of a contingent claim that has been distributed could be considered ordinary income rather than capital gain. U.S. Holders should consult their tax advisors with respect to the tax consequences of receiving a contingent claim as part of the proposed Dissolution.

If a U.S. Holder is required to satisfy any liability not fully covered by our reserve (see the section of this proxy statement captioned “Contingent Liabilities; Reserves”), payments by such U.S. Holder in satisfaction of such liabilities would generally result in a capital loss in the year paid, which, in the hands of individual U.S. Holders, cannot be carried back to prior years to offset capital gains realized from a liquidating distribution in those years.

U.S. Federal Income Tax Consequences to Non-U.S. Holders

Non-U.S. Holders that receive any distributions made by us pursuant to the Plan of Dissolution will be treated as receiving those amounts as full payment in exchange for their shares of Common Stock. The amount of any such distributions allocable to a block of shares of our common stock owned by the Non-U.S. Holder will reduce the Non-U.S. Holder’s tax basis in such shares, but not below zero. Any excess amount allocable to such shares will be treated as capital gain. A Non-U.S. Holder will not be subject to U.S. federal income tax on any such gain unless:

•	the gain is effectively connected with the Non-U.S. Holder’s conduct of a trade or business within the United States (and, if required by an applicable income tax treaty, the Non-U.S. Holder maintains a permanent establishment in the United States to which such gain is attributable);

•	the Non-U.S. Holder is a nonresident alien individual present in the United States for 183 days or more during the taxable year of the disposition and certain other requirements are met; or

•	our Common Stock constitutes a U.S. real property interest (“USRPI”) by reason of our status as a U.S. real property holding corporation (“USRPHC”) for U.S. federal income tax purposes.

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Gain described in the first bullet point above will generally be subject to U.S. federal income tax on a net income basis at the regular rates. A Non-U.S. Holder that is a corporation also may be subject to a branch profits tax at a rate of 30% (or such lower rate specified by an applicable income tax treaty) on such effectively connected gain, as adjusted for certain items.

A Non-U.S. Holder described in the second bullet point above will be subject to U.S. federal income tax at a rate of 30% (or such lower rate specified by an applicable income tax treaty) on any gain realized, which may be offset by certain U.S. source capital losses of the Non-U.S. Holder (even though the individual is not considered a resident of the United States), provided the Non-U.S. Holder has timely filed U.S. federal income tax returns with respect to such losses.

Non-U.S. Holders should consult their tax advisors regarding potentially applicable income tax treaties that may provide for different rules.

Information Reporting and Backup Withholding

U.S. Holders

A U.S. Holder may be subject to information reporting and backup withholding when such holder receives a distribution made pursuant to the Plan of Dissolution. Certain U.S. Holders are exempt from backup withholding, including corporations and certain tax-exempt organizations. A U.S. Holder will be subject to backup withholding if such holder is not otherwise exempt and:

•	the holder fails to furnish the holder’s taxpayer identification number, which for an individual is ordinarily his or her social security number;

•	the holder furnishes an incorrect taxpayer identification number;

•	the applicable withholding agent is notified by the IRS that the holder previously failed to properly report payments of interest or dividends; or

•	the holder fails to certify under penalties of perjury that the holder has furnished a correct taxpayer identification number and that the IRS has not notified the holder that the holder is subject to backup withholding.

Backup withholding is not an additional tax. Any amounts withheld under the backup withholding rules may be allowed as a refund or a credit against a U.S. Holder’s U.S. federal income tax liability, provided the required information is timely furnished to the IRS. U.S. Holders should consult their tax advisors regarding their qualification for an exemption from backup withholding and the procedures for obtaining such an exemption.

Non-U.S. Holders

A distribution made pursuant to the Plan of Dissolution and received within the United States or through certain U.S.-related brokers generally will not be subject to backup withholding or information reporting, if the applicable withholding agent does not have actual knowledge or reason to know the holder is a United States person and the holder either certifies its non-U.S. status, such as by furnishing a valid IRS Form W-8BEN, W-8BEN-E or W-8ECI, or otherwise establishes an exemption. Proceeds from a distribution made pursuant to the Plan of Dissolution and received through a non-U.S. office of a non-U.S. broker generally will not be subject to backup withholding or information reporting.

Copies of information returns that are filed with the IRS may also be made available under the provisions of an applicable treaty or agreement to the tax authorities of the country in which the Non-U.S. Holder resides or is established.

Backup withholding is not an additional tax. Any amounts withheld under the backup withholding rules may be allowed as a refund or a credit against a Non-U.S. Holder’s U.S. federal income tax liability, provided the required information is timely furnished to the IRS.

U.S. Federal Income Tax Consequences of a Liquidating Trust

We may transfer our remaining assets and obligations to a liquidating trust if our Board of Directors determines that such a transfer is advisable. Under applicable Treasury Regulations, a trust will be treated as a “liquidating trust” if it is organized for the primary purpose of liquidating and distributing the assets transferred

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to it, and if its activities are all reasonably necessary to and consistent with the accomplishment of that purpose. However, if the liquidation is unreasonably prolonged or if the liquidation purpose becomes so obscured by business activities that the declared purpose of the liquidation can be said to be lost or abandoned, the trust will no longer be considered a liquidating trust and adverse tax consequences may apply to the trust or to stockholders. Although neither the Code nor the Treasury Regulations thereunder provide any specific guidance as to the length of time a liquidating trust may last, the IRS’s guidelines for issuing rulings with respect to liquidating trust status call for a term not to exceed three years, which period may be extended to cover the collection of installment obligations.

If we transfer assets to a liquidating trust and distribute interests in the liquidating trust to stockholders, we intend that such transfer and distribution would be treated for U.S. federal income tax purposes as if we distributed an interest in each of the assets so transferred directly to such stockholders in a liquidating distribution. In that case, each stockholders would be treated generally as described above in respect of such liquidating distribution.

Assuming that the liquidating trust is treated as a “liquidating trust” for U.S. federal income tax purposes, we intend that the liquidating trust would be treated as a “grantor trust” for U.S. federal income tax purposes. In that case, each unit or interest in the liquidating trust would represent ownership of an undivided proportionate interest in all of the assets and liabilities of the liquidating trust and a stockholder would be treated for U.S. federal income tax purposes as receiving or paying, as applicable, directly a pro rata portion of all income, gain, loss, deduction, and credit of the liquidating trust. A stockholder would be taxed each year on its share of income from the liquidating trust, net of such stockholder’s share of any expenses or other amounts that are deductible by such holder for U.S. federal income tax purposes whether or not such stockholder receives a distribution of cash from the liquidating trust that year. When the liquidating trust makes distributions to stockholders, the stockholders generally would recognize no additional gain or loss. The long-term or short-term character of any capital gain or loss recognized in connection with the sale of the liquidating trust’s assets would be determined based upon a holding period commencing at the time of the acquisition by a stockholder of such stockholder’s beneficial interest in the liquidating trust.

The trustee or trustees of the liquidating trust would provide to each holder of units in the liquidating trust after each year end a detailed itemized statement that reports on a per unit basis the stockholder’s allocable share of all the various categories of income and expense of the liquidating trust for the year. Each stockholder must report such items on its U.S. federal income tax return regardless of whether the liquidating trust makes current cash distributions.

If the liquidating trust fails to qualify as a liquidating trust that is a grantor trust for U.S. federal income tax purposes, the consequences to stockholder would depend on the reason for the failure to qualify, and, under certain circumstances, the liquidating trust could be treated as an association taxable as a corporation for U.S. federal income tax purposes. If the liquidating trust is taxable as a corporation, the trust itself would be subject to U.S. federal income tax at the applicable corporate income tax rate. In that case, distributions made by the liquidating trust would be reduced by any such additional taxes imposed on the trust, and a stockholder would be subject to tax upon the receipt of distributions that constitute dividends and distributions in excess of such stockholder’s adjusted tax basis in its interests in the liquidating trust from the trust rather than taking into account its share of the trust’s taxable items on an annual basis. Stockholders should consult their tax advisors regarding the tax consequences that would apply to them if we were to transfer assets to a liquidating trust.

THE U.S. FEDERAL INCOME TAX CONSEQUENCES SUMMARIZED ABOVE ARE FOR GENERAL INFORMATION ONLY. STOCKHOLDERS SHOULD CONSULT THEIR TAX ADVISORS AS TO THE PARTICULAR CONSEQUENCES THAT MAY APPLY TO THEM.

Votes Required

The affirmative vote of the holders of a majority of the voting power of the shares of Common Stock and the share of Series A Preferred Stock outstanding on the Record Date for the Special Meeting, voting together as a single class, is required for approval of this Dissolution Proposal. Each share of Common Stock has one vote. The share of Series A Preferred Stock has 600,000,000 votes, but the holder of the share of Series A Preferred Stock will cast such votes in the same proportion as the votes cast for or against the Dissolution Proposal by shares of Common Stock, provided that (1) abstentions and broker non-votes (if any) will be counted as votes

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“against” for purposes of calculating such proportion (2) shares of Common Stock that are not voted shall be excluded from such calculation. Abstentions, if any, will have the same effect as votes “Against” the Dissolution Proposal. Because there are no discretionary items on the agenda for the Special Meeting, we do not expect broker non-votes to occur.

Board Recommendation

The Board recommends that the stockholders vote “FOR” the Dissolution Proposal to approve the Dissolution and the Plan of Dissolution.

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PROPOSAL 2:

APPROVAL OF ADJOURNMENT OF SPECIAL MEETING TO SOLICIT ADDITIONAL PROXIES

General

If at the Special Meeting the number of shares voting in favor of the approval of the Dissolution Proposal is insufficient to approve such proposal under Delaware law, Unity intends to move to adjourn the Special Meeting in order to enable the Board to solicit additional proxies in respect of the approval of the Dissolution Proposal. In that event, Unity may ask Unity’s stockholders to vote only upon the Adjournment Proposal during such portion of the Special Meeting.

Unity is asking that you approve the Adjournment Proposal, which will authorize the adjournment of the Special Meeting, from time to time, to a later date or dates, for the purpose of soliciting additional proxies. If the stockholders approve the Adjournment Proposal, Unity could adjourn the Special Meeting and use the additional time to solicit additional proxies in favor of the Dissolution Proposal, including the solicitation of proxies from stockholders that have previously voted.

Votes Required

If a quorum is present at the Special Meeting, the affirmative vote of the holders of a majority of the votes cast affirmatively or negatively (excluding abstentions and broker non- votes) is required for the approval of the Adjournment Proposal. Abstentions will not be counted as votes cast on the matter and will have no effect on the outcome of the Adjournment Proposal. Because there are no discretionary items on the agenda for the Special Meeting, we do not expect broker non-votes to occur. Only shares of Common Stock may be voted on the Adjournment Proposal. The share of Series A Preferred Stock is not entitled to vote on the Adjournment Proposal.

Recommendation of the Board

The Board believes that if the number of shares of Common Stock voting in favor of the Dissolution Proposal is insufficient to approve such proposal, it is in the best interests of the stockholders to enable the Board to continue to seek to obtain a sufficient number of additional votes to approve the Dissolution Proposal.

The Board unanimously recommends that you vote “FOR” the Adjournment Proposal.

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SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

The following table sets forth information relating to the beneficial ownership of our Common Stock as of the Record Date by: (i) each person, or group of affiliated persons, known by us to beneficially own more than 5% of our outstanding shares of Common Stock; (ii) each of our directors; (iii) each of our named executive officers for 2024; and (iv) all directors and current executive officers as a group.

The number of shares beneficially owned by each stockholder is determined under rules issued by the SEC. Under these rules, a person is deemed to be a “beneficial” owner of a security if that person has or shares voting power or investment power, which includes the power to dispose of or to direct the disposition of such security. Except as indicated in the footnotes below, we believe, based on the information furnished to us, that the individuals and entities named in the table below have sole voting and investment power with respect to all shares of Common Stock beneficially owned by them, subject to any applicable community property laws.

The percentage of shares beneficially owned is computed on the basis of 17,212,172 shares of our Common Stock outstanding as of the Record Date. Shares of our Common Stock that a person has the right to acquire within 60 days of the Record Date are deemed outstanding for purposes of computing the percentage ownership of the person holding such rights, but are not deemed outstanding for purposes of computing the percentage ownership of any other person, except with respect to the percentage ownership of all directors and executive officers as a group. Unless otherwise indicated, the address for each of the stockholders in the table below is c/o Unity Biotechnology, Inc., 124 Washington Street, Suite 101, Foxborough, Massachusetts 02035.


	Shares of Common Stock Beneficially Owned
Name of Beneficial Owner	Common Stock	Number of Shares Exercisable Within 60 Days	Number of Shares Beneficially Owned	Percentage of Shares Beneficially Owned
5% and Greater Stockholders:
Entities Associated with Alyeska Investment Group, L.P.⁽¹⁾	292,091	1,586,000	1,878,091	9.9%
Entities Associated with ARCH Venture Partners⁽²⁾	1,004,817	—	1,004,817	5.8%
Named Executive Officers and Directors:
Anirvan Ghosh, Ph.D.⁽³⁾	138,446	719,415	857,861	4.8%
Lynne Sullivan⁽⁴⁾	72,295	242,583	314,878	1.8%
Alexander Nguyen⁽⁵⁾	35,315	206,040	241,355	1.4%
Craig R. Jalbert⁽⁶⁾	—	—	—	*
All directors and executive officers as a group (1 person)		—	—	*

*	Indicates beneficial ownership of less than 1% of the total outstanding common stock.

(1)

As reported on a Schedule 13G/A filed with the SEC on April 15, 2025. Alyeska Investment Group, L.P., Alyeska Fund GP, LLC and Anand Parekh (collectively, “Alyeska”) are the beneficial owners of 1,578,091 shares of common stock, which includes (i) 292,091 shares of common stock, and (ii) warrants to purchase 1,286,000 shares of our common stock, which warrants are subject to a beneficial ownership limitation that precludes Alyeska from exercising any portion of them to the extent that, following the exercise, the Alyeska’s beneficial ownership of common stock would exceed 9.99% of the total number of outstanding shares. The address of Alyeska is 77 West Wacker Drive, 7th Floor, Chicago, Illinois 60601.

(2)

As reported on a Schedule 13G/A filed with the SEC on February 11, 2022. Consists of (i) 836,576 shares of common stock held by ARCH Venture Fund VII, L.P. (“ARCH VII”), and (ii) 168,241 shares of common stock held by ARCH Venture Fund VIII Overage, L.P. (“ARCH VIII Overage”). ARCH Venture Partners VII, L.P. (“AVP VII LP”), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. AVP VII LP disclaims beneficial ownership of all shares held by ARCH VII in which AVP VII LP does not have an actual pecuniary interest. ARCH Venture Partners VII, LLC (“AVP VII LLC”), as the sole general partner of AVP VII LP, may be deemed to beneficially own the shares held by ARCH VII. AVP VII LLC disclaims beneficial ownership of all shares held by ARCH VII in which AVP VII LLC does not have an actual pecuniary interest. ARCH Venture Partners VIII, LLC (“AVP VIII LLC”), as the sole general partner of ARCH VIII Overage, may be deemed to beneficially own the shares held by ARCH VIII Overage. AVP VIII LLC disclaims beneficial ownership of all shares held by ARCH VIII Overage in which AVP VIII LLC does not have an actual pecuniary interest. As managing directors of AVP VII LP and AVP VIII LLC, each of Keith Crandell, Clinton Bybee, and Robert T. Nelsen (the “ARCH Managing Directors”) may be deemed to share the power to direct the disposition and vote of, and therefore to beneficially own, the shares held by ARCH VII and ARCH VIII Overage. The ARCH Managing Directors disclaim beneficial ownership of all shares held by ARCH VII and ARCH VIII Overage except to the extent of any actual pecuniary interest. The address of ARCH VII, ARCH Overage VIII, AVP VII LP, AVP VII LLC, AVP VIII LLC, and the ARCH Managing Directors is 8755 West Higgins Avenue, Suite 1025, Chicago, Illinois 60631.

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(3)

Consists of (i) 138,446 shares of common stock, and (ii) 719,415 shares of common stock that may be acquired pursuant to the exercise of stock options within 60 days of the Record Date. Dr. Ghosh departed from the Company on June 27, 2025. The beneficial ownership reported herein is based on information known to the Company as of June 26, 2025.

(4)

Consists of (i) 72,295 shares of common stock, and (ii) 242,583 shares of common stock that may be acquired pursuant to the exercise of stock options within 60 days of Record Date. Ms. Sullivan departed from the Company on June 27, 2025. The beneficial ownership reported herein is based on information known to the Company as of June 26, 2025.

(5)

Consists of (i) 35,315 shares of common stock, and (ii) 206,040 shares of common stock that may be acquired pursuant to the exercise of stock options within 60 days of Record Date. Mr. Nguyen departed from the Company on June 27, 2025. The beneficial ownership reported herein is based on information known to the Company as of June 26, 2025.

(6)

As of the record date for the Special Meeting, Mr. Jalbert owned the one share of Series A Preferred Stock issued and outstanding as of such date. Such share of Series A Preferred Stock is not convertible into common stock and has voting rights as described under “Questions and Answers About These Proxy Materials and Voting—How many votes do I have?”

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WHERE YOU CAN FIND ADDITIONAL INFORMATION

We file annual, quarterly and current reports, proxy statements and other information with the SEC. These documents may be accessed through the SEC’s electronic data gathering, analysis and retrieval system, or EDGAR, via electronic means, including the SEC’s home page on the Internet (www.sec.gov).

The SEC allows us to incorporate by reference the information and reports we file with it, which means that we can disclose important information to you by referring you to these documents. The information incorporated by reference is an important part of this proxy statement, and information that we file later with the SEC will automatically update and supersede the information already incorporated by reference. Such documents are considered to be a part of this proxy statement, effective as of the date such documents are filed. In the event of conflicting information in these documents, the information in the latest filed document should be considered correct. We are incorporating by reference the documents listed below, which we have already filed with the SEC, and any future filings we make with the SEC under Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act from the date of this proxy statement to the date on which the Special Meeting is held, including all filings made after the date of the filing of this proxy statement, except as to any portion of any future report or document that is not deemed filed under such provisions:

•	our Annual Report on Form 10-K for the year ended December 31, 2024, initially filed with the SEC on March 7, 2025 and amended on April 11, 2025;

•	our Quarterly Report on Form 10-Q for the period ended March 31, 2025, filed with the SEC on April 22, 2025;

•	our Current Reports filed on Form 8-K with the SEC on January 6, 2025, March 10, 2025, March 17, 2025, March 24, 2025, April 4, 2025, May 5, 2025, June 20, 2025, June 30, 2025 and July 22, 2025, as amended.

A copy of our 2024 Annual Report on Form 10-K and any other documents incorporated by reference herein, excluding exhibits, will be furnished without charge to any stockholder of record as of July 25, 2025, upon written request to Unity Biotechnology, Inc., 124 Washington Street, Suite 101, Foxborough, Massachusetts 02035, (508) 543-1720.

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HOUSEHOLDING

SEC rules permit companies and intermediaries such as brokers to satisfy delivery requirements for proxy statements and notices with respect to two or more stockholders sharing the same address by delivering a single proxy statement or a single notice addressed to those stockholders. This process, which is commonly referred to as “householding”, provides cost savings for companies and helps the environment by conserving natural resources. Some brokers household proxy materials, delivering a single proxy statement or notice to multiple stockholders sharing an address unless contrary instructions have been received from the affected stockholders. Once you have received notice from your broker that they will be householding materials to your address, householding will continue until you are notified otherwise or until you revoke your consent. If, at any time, you no longer wish to participate in householding and would prefer to receive a separate proxy statement or notice, or if your household is receiving multiple copies of these documents and you wish to request that future deliveries be limited to a single copy, please notify your broker. You can also request prompt delivery of a copy of the proxy statement by contacting Broadridge Financial Solutions, Inc. at (866) 540-7095 or in writing at Broadridge, Householding Department, 51 Mercedes Way, Edgewood, New York 11717.

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OTHER MATTERS

As of the date of this proxy statement, we do not know of any matters to be properly presented at the Special Meeting other than those referred to in this proxy statement. If any other matters not mentioned in this proxy statement are properly brought before the Special Meeting, the individuals named in the enclosed proxy intend to use their discretionary voting authority under the proxy to vote the proxy in accordance with their best judgment on those matters.

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EXHIBIT A

PLAN OF COMPLETE LIQUIDATION AND DISSOLUTION OF UNITY BIOTECHNOLOGY, INC.

This Plan of Complete Liquidation and Dissolution (the “Plan”) is intended to constitute a plan of distribution under Section 281(b) of the General Corporation Law of the State of Delaware (“DGCL”) and accomplish the complete liquidation and dissolution of Unity Biotechnology, Inc., a Delaware corporation (such corporation or a successor entity, the “Company”), in accordance with the DGCL.

1. Approval of Plan. The Board of Directors of the Company (the “Board”) has adopted this Plan and presented the Plan to the Company’s stockholders to take action on the Plan. If the Plan is adopted by the requisite vote of the Company’s stockholders, the Plan shall constitute the adopted Plan of the Company.

2. Certificate of Dissolution. Subject to Section 14 hereof, after the stockholders of the Company approve the dissolution of the Company, the Company shall file with the Secretary of State of the State of Delaware a certificate of dissolution (the “Certificate of Dissolution”) in accordance with the DGCL at such time as determined by the Board in its sole discretion (the time of such filing, or such later time as stated therein, the “Effective Time”).

3. Cessation of Business Activities. After the Effective Time, the Company shall not engage in any business activities except to the extent necessary to preserve the value of its assets, wind up its business affairs, and distribute its assets in accordance with this Plan.

4. Continuing Employees and Consultants. For the purpose of effecting the dissolution of the Company, the Company may hire or retain such employees, consultants and advisors as the Company deems necessary or desirable to supervise or facilitate the dissolution and winding up of the Company.

5. Dissolution Process.

From and after the Effective Time, the Company (or any successor entity of the Company) shall complete the following corporate actions:

(i) The Company (a) shall pay or make reasonable provision to pay all claims and obligations, including all contingent, conditional or unmatured contractual claims known to the Company, (b) shall make such provision as will be reasonably likely to be sufficient to provide compensation for any claim against the Company which is the subject of a pending action, suit or proceeding to which the Company is a party, and (c) shall make such provision as will be reasonably likely to be sufficient to provide compensation for claims that have not been made known to the Company or that have not arisen but that, based on facts known to the Company, are likely to arise or to become known to the Company within 10 years after the date of dissolution. Such claims shall be paid or provided for in full if there are sufficient assets. All such claims shall be paid in full and any such provision for payment made shall be made in full if there are sufficient assets. If there are insufficient assets, such claims and obligations shall be paid or provided for according to their priority and, among claims of equal priority, ratably to the extent of assets legally available therefor.

(ii) After the payments are made pursuant to clause (i) above, if there are any assets remaining, the Company shall distribute to its stockholders, in accordance with the Amended and Restated Company’s Amended and Restated Certificate of Incorporation, all remaining assets, including all available cash, including the cash proceeds of any sale, exchange or disposition, except such cash, property or assets as are required for paying or making reasonable provision for the claims and obligations of the Company. Such distribution may occur all at once or in a series of distributions and shall be in cash or assets, in such amounts, and at such time or times, as the Company may determine. If and to the extent deemed necessary, appropriate or desirable by the Board, the Company may establish and set aside a reasonable amount of cash and/or property to satisfy claims against the Company, including, without limitation, tax obligations, all expenses related to the sale of the Company’s property and assets, all expenses related to the collection and defense of the Company’s property and assets, and the liquidation and dissolution provided for in this Plan.

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6. Cancellation of Stock. The distributions to the Company’s stockholders pursuant to Section 5 hereof shall be deemed to be in complete cancellation of all of the outstanding shares of capital stock of the Company as of the date that the continuation of the Company’s legal existence terminates in accordance with Section 278 of the DGCL. From and after the Effective Time, and subject to applicable law, each holder of shares of capital stock of the Company shall cease to have any rights in respect thereof, except the right to receive distributions pursuant to and in accordance with Section 5(ii) hereof. As a condition to receipt of any distribution to the Company’s stockholders, the Company may require the Company’s stockholders to (i) surrender their certificates evidencing their shares of stock to the Company, or (ii) furnish the Company with evidence satisfactory to the Company of the loss, theft or destruction of such certificates, together with such surety bond or other security or indemnity as may be required by and satisfactory to the Company. The Company will close its stock transfer books and discontinue recording transfers of shares of stock of the Company at the Effective Time, and thereafter certificates representing shares of stock of the Company will not be assignable or transferable on the books of the Company except by will, intestate succession, operation of law or upon the dissolution of any stockholder or its successors.

7. Conduct of the Company Following Approval of the Plan. Under Delaware law, dissolution is effective upon the filing of a certificate of dissolution with the Secretary of State of the State of Delaware or upon such future effective date as may be set forth in the certificate of dissolution. Section 278 of the DGCL provides that a dissolved corporation shall be continued for the term of 3 years from such dissolution or for such longer period as the Court of Chancery shall in its discretion direct, bodies corporate for the purpose of prosecuting and defending suits, whether civil, criminal or administrative, by or against it, and of enabling it gradually to settle and close its business, to dispose of and convey its property, to discharge its liabilities and to distribute to its stockholders any remaining assets, but not for the purpose of continuing the business for which the corporation was organized. With respect to any action, suit or proceeding begun by or against the corporation either prior to or within 3 years after the date of its expiration or dissolution, the action shall not abate by reason of the dissolution of the corporation; the corporation shall, solely for the purpose of such action, suit or proceeding, be continued as a body corporate beyond the 3-year period and until any judgments, orders or decrees therein shall be fully executed, without the necessity for any special direction to that effect by the Court of Chancery. The powers of the officers and directors of the Company shall continue during this time period in order to allow them to take the necessary steps to wind-up the affairs of the corporation.

8. Absence of Appraisal Rights. Under Delaware law, the Company’s stockholders are not entitled to appraisal rights for their shares of capital stock in connection with the transactions contemplated by the Plan.

9. Abandoned Property. If any distribution to a stockholder cannot be made, whether because the stockholder cannot be located, has not surrendered certificates evidencing the capital stock as required hereunder or for any other reason, the distribution to which such stockholder is entitled shall be transferred, at such time as the final liquidating distribution is made by the Company, to the official of such state or other jurisdiction authorized by applicable law to receive the proceeds of such distribution. The proceeds of such distribution shall thereafter be held solely for the benefit of and for ultimate distribution to such stockholder as the sole equitable owner thereof and shall be treated as abandoned property and escheat to the applicable state or other jurisdiction in accordance with applicable law. In no event shall the proceeds of any such distribution revert to or become the property of the Company.

10. Stockholder Consent to Sale of Assets. Adoption of this Plan by the requisite vote of the outstanding capital stock shall constitute the approval of the stockholders of the sale, exchange or other disposition in liquidation of all of the property and assets of the Company, whether such sale, exchange or other disposition occurs in one transaction or a series of transactions, and shall constitute ratification of all contracts for sale, exchange or other disposition that are conditioned on adoption of this Plan.

11. Expenses of Dissolution. In connection with and for the purposes of implementing and assuring completion of this Plan, the Company may pay any brokerage, agency, professional and other fees and expenses of persons rendering services to the Company in connection with the collection, sale, exchange or other disposition of the Company’s property and assets and the implementation of this Plan.

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12. Compensation. In connection with and for the purpose of implementing and assuring completion of this Plan, the Company may pay the Company’s officers, directors, employees, agents and representatives, or any of them, compensation or additional compensation above their regular compensation, including pursuant to severance and retention agreements, in money or other property, in recognition of the extraordinary efforts they, or any of them, will be required to undertake, or actually undertake, in connection with the implementation of this Plan. Adoption of this Plan by the stockholders shall constitute the approval of the Company’s stockholders of the payment of any such compensation.

13. Indemnification. The Company shall continue to indemnify its officers, directors, employees, agents and trustee in accordance with its Amended and Restated Certificate of Incorporation (as amended), Amended and Restated Bylaws (as amended), and contractual arrangements as therein or elsewhere provided, any applicable existing directors’ and officers’ liability insurance policies and applicable law, and such indemnification shall apply to acts or omissions of such persons in connection with the implementation of this Plan and the winding up of the affairs of the Company. The Company is authorized to obtain and maintain insurance as may be necessary to cover the Company’s indemnification obligations.

14. Modification or Abandonment of the Plan. Notwithstanding authorization of or consent to this Plan and the transactions contemplated hereby by the stockholders of the Company, the Board may modify, amend or abandon this Plan and the transactions contemplated hereby without further action by the stockholders to the extent permitted by the DGCL.

15. Authorization. The Board is hereby authorized, without further action by the stockholders, to do and perform or cause the officers of the Company to do and perform, any and all acts, and to make, execute, deliver or adopt any and all agreements, resolutions, conveyances, certificates and other documents of every kind that are deemed necessary, appropriate or desirable to implement this Plan and the transactions contemplated hereby, including, without limiting the foregoing, all filings or acts required by any state or federal law or regulation to wind up its affairs.

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ANNEX A

Sections 275 through 283 of the DGCL

§ 275. Dissolution generally; procedure.

(a) If it should be deemed advisable in the judgment of the board of directors of any corporation that it should be dissolved, the board, after the adoption of a resolution to that effect by a majority of the whole board at any meeting called for that purpose, shall cause notice of the adoption of the resolution and of a meeting of stockholders to take action upon the resolution to be given to each stockholder entitled to vote thereon as of the record date for determining the stockholders entitled to notice of the meeting.

(b) At the meeting a vote shall be taken upon the proposed dissolution. If a majority of the outstanding stock of the corporation entitled to vote thereon shall vote for the proposed dissolution, a certification of dissolution shall be filed with the Secretary of State pursuant to subsection (d) of this section.

(c) Dissolution of a corporation may also be authorized without action of the directors if all the stockholders entitled to vote thereon shall consent in writing and a certificate of dissolution shall be filed with the Secretary of State pursuant to subsection (d) of this section.

(d) If dissolution is authorized in accordance with this section, a certificate of dissolution shall be executed, acknowledged and filed, and shall become effective, in accordance with § 103 of this title. Such certificate of dissolution shall set forth:

(1) The name of the corporation;

(2) The date dissolution was authorized;

(3) That the dissolution has been authorized by the board of directors and stockholders of the corporation, in accordance with subsections (a) and (b) of this section, or that the dissolution has been authorized by all of the stockholders of the corporation entitled to vote on a dissolution, in accordance with subsection (c) of this section;

(4) The names and addresses of the directors and officers of the corporation; and

(5) The date of filing of the corporation’s original certificate of incorporation with the Secretary of State.

(e) The resolution authorizing a proposed dissolution may provide that notwithstanding authorization or consent to the proposed dissolution by the stockholders, or the members of a nonstock corporation pursuant to § 276 of this title, the board of directors or governing body may abandon such proposed dissolution without further action by the stockholders or members.

(f) If a corporation has included in its certificate of incorporation a provision limiting the duration of its existence to a specified date in accordance with § 102(b)(5) of this title, a certificate of dissolution shall be executed, acknowledged and filed in accordance with § 103 of this title within 90 days before such specified date and shall become effective on such specified date. Such certificate of dissolution shall set forth:

(1) The name of the corporation;

(2) The date specified in the corporation’s certificate of incorporation limiting the duration of its existence;

(3) The names and addresses of the directors and officers of the corporation; and

(4) The date of filing of the corporation’s original certificate of incorporation with the Secretary of State.

The failure to timely file a certificate of dissolution pursuant to this subsection with respect to any corporation shall not affect the expiration of such corporation’s existence on the date specified in its certificate of incorporation pursuant to § 102(b)(5) of this title and shall not eliminate the requirement to file a certificate of dissolution as contemplated by this subsection. If a certificate of good standing is issued by the Secretary of State after the date specified in a corporation’s certificate of incorporation pursuant to § 102(b)(5) of this title, such certificate of good standing shall be of no force or effect.

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(g) A corporation shall be dissolved upon the earlier of:

(1) The date specified in such corporation’s certificate of incorporation pursuant to § 102(b)(5) of this title; or

(2) The effectiveness in accordance with § 103 of this title of a certificate of dissolution filed in accordance with this section.

§ 276. Dissolution of nonstock corporation; procedure.

(a) Whenever it shall be desired to dissolve any nonstock corporation, the governing body shall perform all the acts necessary for dissolution which are required by § 275 of this title to be performed by the board of directors of a corporation having capital stock. If any members of a nonstock corporation are entitled to vote for the election of members of its governing body or are entitled to vote for dissolution under the certificate of incorporation or the bylaws of such corporation, such members shall perform all the acts necessary for dissolution which are contemplated by § 275 of this title to be performed by the stockholders of a corporation having capital stock, including dissolution without action of the members of the governing body if all the members of the corporation entitled to vote thereon shall consent in writing and a certificate of dissolution shall be filed with the Secretary of State pursuant to § 275(d) of this title. If there is no member entitled to vote thereon, the dissolution of the corporation shall be authorized at a meeting of the governing body, upon the adoption of a resolution to dissolve by the vote of a majority of members of its governing body then in office. In all other respects, the method and proceedings for the dissolution of a nonstock corporation shall conform as nearly as may be to the proceedings prescribed by § 275 of this title for the dissolution of corporations having capital stock.

(b) If a nonstock corporation has not commenced the business for which the corporation was organized, a majority of the governing body or, if none, a majority of the incorporators may surrender all of the corporation rights and franchises by filing in the office of the Secretary of State a certificate, executed and acknowledged by a majority of the incorporators or governing body, conforming as nearly as may be to the certificate prescribed by § 274 of this title.

(c) If a nonstock corporation has included in its certificate of incorporation a provision limiting the duration of its existence to a specified date in accordance with § 102(b)(5) of this title, a certificate of dissolution shall be executed, acknowledged and filed in accordance with § 103 of this title within 90 days before such specified date and shall become effective on such specified date. Such certificate of dissolution shall include the information required by § 275(f) of this title. The failure to timely file a certificate of dissolution pursuant to this subsection with respect to any nonstock corporation shall not affect the expiration of such corporation’s existence on the date specified in its certificate of incorporation pursuant to § 102(b)(5) of this title and shall not eliminate the requirement to file a certificate of dissolution as contemplated by this subsection. If a certificate of good standing is issued by the Secretary of State after the date specified in a nonstock corporation’s certificate of incorporation pursuant to § 102(b)(5) of this title, such certificate of good standing shall be of no force or effect.

§ 277. Payment of franchise taxes before dissolution, merger, transfer or conversion.

No corporation shall be dissolved, merged, transferred (without continuing its existence as a corporation of this State) or converted under this chapter until:

(1) All franchise taxes due to or assessable by the State including all franchise taxes due or which would be due or assessable for the entire calendar month during which such dissolution, merger, transfer or conversion becomes effective have been paid by the corporation; and

(2) All annual franchise tax reports including a final annual franchise tax report for the year in which such dissolution, merger, transfer or conversion becomes effective have been filed by the corporation;

notwithstanding the foregoing, if the Secretary of State certifies that an instrument to effect a dissolution, merger, transfer or conversion has been filed in the Secretary of State’s office, such corporation shall be dissolved, merged, transferred or converted at the effective time of such instrument.

§ 278. Continuation of corporation after dissolution for purposes of suit and winding up affairs.

All corporations, whether they expire by their own limitation or are otherwise dissolved, shall nevertheless be continued, for the term of 3 years from such expiration or dissolution or for such longer period as the Court

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of Chancery shall in its discretion direct, bodies corporate for the purpose of prosecuting and defending suits, whether civil, criminal or administrative, by or against them, and of enabling them gradually to settle and close their business, to dispose of and convey their property, to discharge their liabilities and to distribute to their stockholders any remaining assets, but not for the purpose of continuing the business for which the corporation was organized. With respect to any action, suit or proceeding begun by or against the corporation either prior to or within 3 years after the date of its expiration or dissolution, the action shall not abate by reason of the dissolution of the corporation; the corporation shall, solely for the purpose of such action, suit or proceeding, be continued as a body corporate beyond the 3-year period and until any judgments, orders or decrees therein shall be fully executed, without the necessity for any special direction to that effect by the Court of Chancery.

Sections 279 through 282 of this title shall apply to any corporation that has expired by its own limitation, and when so applied, all references in those sections to a dissolved corporation or dissolution shall include a corporation that has expired by its own limitation and to such expiration, respectively.

§ 279. Trustees or receivers for dissolved corporations; appointment; powers; duties.

When any corporation organized under this chapter shall be dissolved in any manner whatever, the Court of Chancery, on application of any creditor, stockholder or director of the corporation, or any other person who shows good cause therefor, at any time, may either appoint 1 or more of the directors of the corporation to be trustees, or appoint 1 or more persons to be receivers, of and for the corporation, to take charge of the corporation’s property, and to collect the debts and property due and belonging to the corporation, with power to prosecute and defend, in the name of the corporation, or otherwise, all such suits as may be necessary or proper for the purposes aforesaid, and to appoint an agent or agents under them, and to do all other acts which might be done by the corporation, if in being, that may be necessary for the final settlement of the unfinished business of the corporation. The powers of the trustees or receivers may be continued as long as the Court of Chancery shall think necessary for the purposes aforesaid.

§ 280. Notice to claimants; filing of claims.

(a)

(1) After a corporation has been dissolved in accordance with the procedures set forth in this chapter, the corporation or any successor entity may give notice of the dissolution, requiring all persons having a claim against the corporation other than a claim against the corporation in a pending action, suit or proceeding to which the corporation is a party to present their claims against the corporation in accordance with such notice. Such notice shall state:

(A) That all such claims must be presented in writing and must contain sufficient information reasonably to inform the corporation or successor entity of the identity of the claimant and the substance of the claim;

(B) The mailing address to which such a claim must be sent;

(C) The date by which such a claim must be received by the corporation or successor entity, which date shall be no earlier than 60 days from the date thereof; and

(D) That such claim will be barred if not received by the date referred to in paragraph (a)(1)c. of this section; and

(E) That the corporation or a successor entity may make distributions to other claimants and the corporation’s stockholders or persons interested as having been such without further notice to the claimant; and

(F) The aggregate amount, on an annual basis, of all distributions made by the corporation to its stockholders for each of the 3 years prior to the date the corporation dissolved.

Such notice shall also be published at least once a week for 2 consecutive weeks in a newspaper of general circulation in the county in which the office of the corporation’s last registered agent in this State is located and in the corporation’s principal place of business and, in the case of a corporation having $10,000,000 or more in total assets at the time of its dissolution, at least once in all editions of a daily newspaper with a national circulation. On or before the date of the first publication of such notice, the corporation or successor entity shall

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mail a copy of such notice by certified or registered mail, return receipt requested, to each known claimant of the corporation including persons with claims asserted against the corporation in a pending action, suit or proceeding to which the corporation is a party.

(2) Any claim against the corporation required to be presented pursuant to this subsection is barred if a claimant who was given actual notice under this subsection does not present the claim to the dissolved corporation or successor entity by the date referred to in paragraph (a)(1)c. of this section.

(3) A corporation or successor entity may reject, in whole or in part, any claim made by a claimant pursuant to this subsection by mailing notice of such rejection by certified or registered mail, return receipt requested, to the claimant within 90 days after receipt of such claim and, in all events, at least 150 days before the expiration of the period described in § 278 of this title; provided however, that in the case of a claim filed pursuant to § 295 of this title against a corporation or successor entity for which a receiver or trustee has been appointed by the Court of Chancery the time period shall be as provided in § 296 of this title, and the 30-day appeal period provided for in § 296 of this title shall be applicable. A notice sent by a corporation or successor entity pursuant to this subsection shall state that any claim rejected therein will be barred if an action, suit or proceeding with respect to the claim is not commenced within 120 days of the date thereof, and shall be accompanied by a copy of §§ 278-283 of this title and, in the case of a notice sent by a court-appointed receiver or trustee and as to which a claim has been filed pursuant to § 295 of this title, copies of §§ 295 and 296 of this title.

(4) A claim against a corporation is barred if a claimant whose claim is rejected pursuant to paragraph (a)(3) of this section does not commence an action, suit or proceeding with respect to the claim no later than 120 days after the mailing of the rejection notice.

(b)

(1) A corporation or successor entity electing to follow the procedures described in subsection (a) of this section shall also give notice of the dissolution of the corporation to persons with contractual claims contingent upon the occurrence or nonoccurrence of future events or otherwise conditional or unmatured, and request that such persons present such claims in accordance with the terms of such notice. Provided however, that as used in this section and in § 281 of this title, the term “contractual claims” shall not include any implied warranty as to any product manufactured, sold, distributed or handled by the dissolved corporation. Such notice shall be in substantially the form, and sent and published in the same manner, as described in paragraph (a)(1) of this section.

(2) The corporation or successor entity shall offer any claimant on a contract whose claim is contingent, conditional or unmatured such security as the corporation or successor entity determines is sufficient to provide compensation to the claimant if the claim matures. The corporation or successor entity shall mail such offer to the claimant by certified or registered mail, return receipt requested, within 90 days of receipt of such claim and, in all events, at least 150 days before the expiration of the period described in § 278 of this title. If the claimant offered such security does not deliver in writing to the corporation or successor entity a notice rejecting the offer within 120 days after receipt of such offer for security, the claimant shall be deemed to have accepted such security as the sole source from which to satisfy the claim against the corporation.

(c)

(1) A corporation or successor entity which has given notice in accordance with subsection (a) of this section shall petition the Court of Chancery to determine the amount and form of security that will be reasonably likely to be sufficient to provide compensation for any claim against the corporation which is the subject of a pending action, suit or proceeding to which the corporation is a party other than a claim barred pursuant to subsection (a) of this section.

(2) A corporation or successor entity which has given notice in accordance with subsections (a) and (b) of this section shall petition the Court of Chancery to determine the amount and form of security that will be sufficient to provide compensation to any claimant who has rejected the offer for security made pursuant to paragraph (b)(2) of this section.

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(3) A corporation or successor entity which has given notice in accordance with subsection (a) of this section shall petition the Court of Chancery to determine the amount and form of security which will be reasonably likely to be sufficient to provide compensation for claims that have not been made known to the corporation or that have not arisen but that, based on facts known to the corporation or successor entity, are likely to arise or to become known to the corporation or successor entity within 5 years after the date of dissolution or such longer period of time as the Court of Chancery may determine not to exceed 10 years after the date of dissolution. The Court of Chancery may appoint a guardian ad litem in respect of any such proceeding brought under this subsection. The reasonable fees and expenses of such guardian, including all reasonable expert witness fees, shall be paid by the petitioner in such proceeding.

(d) The giving of any notice or making of any offer pursuant to this section shall not revive any claim then barred or constitute acknowledgment by the corporation or successor entity that any person to whom such notice is sent is a proper claimant and shall not operate as a waiver of any defense or counterclaim in respect of any claim asserted by any person to whom such notice is sent.

(e) As used in this section, the term “successor entity” shall include any trust, receivership or other legal entity governed by the laws of this State to which the remaining assets and liabilities of a dissolved corporation are transferred and which exists solely for the purposes of prosecuting and defending suits, by or against the dissolved corporation, enabling the dissolved corporation to settle and close the business of the dissolved corporation, to dispose of and convey the property of the dissolved corporation, to discharge the liabilities of the dissolved corporation and to distribute to the dissolved corporation’s stockholders any remaining assets, but not for the purpose of continuing the business for which the dissolved corporation was organized.

(f) The time periods and notice requirements of this section shall, in the case of a corporation or successor entity for which a receiver or trustee has been appointed by the Court of Chancery, be subject to variation by, or in the manner provided in, the Rules of the Court of Chancery.

(g) In the case of a nonstock corporation, any notice referred to in the last sentence of paragraph (a)(3) of this section shall include a copy of § 114 of this title. In the case of a nonprofit nonstock corporation, provisions of this section regarding distributions to members shall not apply to the extent that those provisions conflict with any other applicable law or with that corporation’s certificate of incorporation or bylaws.

§ 281. Payment and distribution to claimants and stockholders.

(a) A dissolved corporation or successor entity which has followed the procedures described in § 280 of this title:

(1) Shall pay the claims made and not rejected in accordance with § 280(a) of this title,

(2) Shall post the security offered and not rejected pursuant to § 280(b)(2) of this title,

(3) Shall post any security ordered by the Court of Chancery in any proceeding under § 280(c) of this title, and

(4) Shall pay or make provision for all other claims that are mature, known and uncontested or that have been finally determined to be owing by the corporation or such successor entity.

Such claims or obligations shall be paid in full and any such provision for payment shall be made in full if there are sufficient assets. If there are insufficient assets, such claims and obligations shall be paid or provided for according to their priority, and, among claims of equal priority, ratably to the extent of assets legally available therefor. Any remaining assets shall be distributed to the stockholders of the dissolved corporation; provided, however, that such distribution shall not be made before the expiration of 150 days from the date of the last notice of rejections given pursuant to § 280(a)(3) of this title. In the absence of actual fraud, the judgment of the directors of the dissolved corporation or the governing persons of such successor entity as to the provision made for the payment of all obligations under paragraph (a)(4) of this section shall be conclusive.

(b) A dissolved corporation or successor entity which has not followed the procedures described in § 280 of this title shall, prior to the expiration of the period described in § 278 of this title, adopt a plan of distribution pursuant to which the dissolved corporation or successor entity (i) shall pay or make reasonable provision to pay all claims and obligations, including all contingent, conditional or unmatured contractual claims known to the corporation or such successor entity, (ii) shall make such provision as will be reasonably likely to

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be sufficient to provide compensation for any claim against the corporation which is the subject of a pending action, suit or proceeding to which the corporation is a party and (iii) shall make such provision as will be reasonably likely to be sufficient to provide compensation for claims that have not been made known to the corporation or that have not arisen but that, based on facts known to the corporation or successor entity, are likely to arise or to become known to the corporation or successor entity within 10 years after the date of dissolution. The plan of distribution shall provide that such claims shall be paid in full and any such provision for payment made shall be made in full if there are sufficient assets. If there are insufficient assets, such plan shall provide that such claims and obligations shall be paid or provided for according to their priority and, among claims of equal priority, ratably to the extent of assets legally available therefor. Any remaining assets shall be distributed to the stockholders of the dissolved corporation.

(c) Directors of a dissolved corporation or governing persons of a successor entity which has complied with subsection (a) or (b) of this section shall not be personally liable to the claimants of the dissolved corporation.

(d) As used in this section, the term “successor entity” has the meaning set forth in § 280(e) of this title.

(e) The term “priority,” as used in this section, does not refer either to the order of payments set forth in paragraph (a)(1)-(4) of this section or to the relative times at which any claims mature or are reduced to judgment.

(f) In the case of a nonprofit nonstock corporation, provisions of this section regarding distributions to members shall not apply to the extent that those provisions conflict with any other applicable law or with that corporation’s certificate of incorporation or bylaws.

§ 282. Liability of stockholders of dissolved corporations.

(a) A stockholder of a dissolved corporation the assets of which were distributed pursuant to § 281(a) or (b) of this title shall not be liable for any claim against the corporation in an amount in excess of such stockholder’s pro rata share of the claim or the amount so distributed to such stockholder, whichever is less.

(b) A stockholder of a dissolved corporation the assets of which were distributed pursuant to § 281(a) of this title shall not be liable for any claim against the corporation on which an action, suit or proceeding is not begun prior to the expiration of the period described in § 278 of this title.

(c) The aggregate liability of any stockholder of a dissolved corporation for claims against the dissolved corporation shall not exceed the amount distributed to such stockholder in dissolution.

§ 283. Jurisdiction.

The Court of Chancery shall have jurisdiction of any application prescribed in this subchapter and of all questions arising in the proceedings thereon, and may make such orders and decrees and issue injunctions therein as justice and equity shall require.

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Source: View Original Filing on SEC EDGAR

FAQ

When is the Unity Biotechnology (UBX) Special Meeting and who can vote?

The virtual Special Meeting is on September 18, 2025 at 9:00 a.m. Pacific Time. Only holders of record as of July 25, 2025 may vote.

What proposals are UBX stockholders voting on?

Stockholders will vote on the Dissolution Proposal to approve the Plan of Dissolution and an Adjournment Proposal to permit adjournments to solicit additional proxies.

How many shares are outstanding and how does the Series A Preferred vote?

As of the Record Date there were 17,212,172 shares of Common Stock outstanding and one share of Series A Preferred Stock that carries 600,000,000 votes and will vote in the same proportion as Common Stock votes on the Dissolution Proposal.

Will UBX stockholders receive a distribution if dissolution is approved?

The proxy states that, based on information currently available, the Board expects there will not be any amounts available for distribution to stockholders.

What happened to UBX management and the Board?

Effective June 27, 2025, the CEO, CFO and CLO ceased serving and all then-serving directors resigned; the Board was reduced to one director, Craig R. Jalbert.

How can I vote my UBX shares if I cannot attend the virtual meeting?

You may vote by telephone, at 800-690-6903; by Internet at www.proxyvote.com; or by mail using the proxy card. Telephone and Internet voting close at 11:59 p.m. PT on September 17, 2025.

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When is the Unity Biotechnology (UBX) Special Meeting and who can vote?

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Will UBX stockholders receive a distribution if dissolution is approved?

What happened to UBX management and the Board?

How can I vote my UBX shares if I cannot attend the virtual meeting?

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FAQ

When is the Unity Biotechnology (UBX) Special Meeting and who can vote?

What proposals are UBX stockholders voting on?

How many shares are outstanding and how does the Series A Preferred vote?

Will UBX stockholders receive a distribution if dissolution is approved?

What happened to UBX management and the Board?

How can I vote my UBX shares if I cannot attend the virtual meeting?

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