LivePerson (LPSN) outlines conditions and risks for SoundHound AI acquisition

Rhea-AI Filing Summary

LivePerson describes the proposed acquisition of LivePerson by SoundHound AI and urges stockholders to vote on the transaction using the proxy materials provided. A registration statement on Form S-4 that includes LivePerson’s definitive proxy statement/prospectus was filed on July 9, 2026, and mailing to stockholders began on or about that date.

The communication emphasizes that the deal’s completion depends on shareholder approvals, regulatory clearances, and consummation of related notes restructuring transactions. It lists numerous risks that could delay, change, or prevent closing, including integration challenges, potential increased costs, reputational impacts, management distraction, and possible legal proceedings. Investors are directed to read the Form S-4 and proxy statement/prospectus and other SEC filings for full details before making voting or investment decisions.

Filing Explained

The proposed deal includes planned SoundHound stock issuance, but no issuance or closing is reported as of August 13, 2026.

LivePerson’s August 13, 2026 communication concerns SoundHound AI’s proposed acquisition; the deal remains proposed, and the filing identifies a planned issuance of SoundHound common stock rather than a completed issuance or closing.

Although the communication opens with “Please Vote today,” its legal notice states that it is not intended to constitute an offer or solicitation of a vote or approval.

The filing identifies the Form S-4 as the registration statement containing LivePerson’s definitive proxy statement and SoundHound’s prospectus for the shares to be issued in the proposed transaction; it does not report that those shares have been issued or sold.

A company news record dated August 11, 2026 identifies August 20, 2026 as the special meeting date; shareholder approval and completion of the notes restructuring transactions remain stated conditions to closing.

Sources and calculations

• LivePerson Form 425 business combination communication (2026-08-13)
• LivePerson news record identifying the special meeting date (2026-08-11)

Key Terms

forward-looking statements, registration statement on Form S-4, proxy statement/prospectus, Notes Restructuring Agreement, +1 more

5 terms

forward-looking statements regulatory

"This communication contains “forward-looking statements” within the meaning of the U.S."

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

registration statement on Form S-4 regulatory

"SoundHound AI has filed with the U.S. Securities and Exchange Commission a registration statement on Form S-4"

A registration statement on Form S-4 is a formal filing with the U.S. Securities and Exchange Commission used when a company issues shares or other securities as part of a merger, acquisition, exchange offer or similar corporate deal. It bundles the transaction terms, financial statements, risk factors and shareholder vote materials so investors can assess the deal; think of it as a detailed prospectus or buyer’s packet that explains what you would own and how the deal could change your stake.

proxy statement/prospectus regulatory

"that includes a definitive proxy statement of LivePerson and that constitutes a prospectus of SoundHound AI"

A proxy statement or prospectus is a document that companies send to shareholders to provide important information about upcoming decisions or investments, such as voting on company issues or offering new shares to the public. It helps investors understand the details and risks involved, enabling them to make informed choices about their ownership or involvement with the company.

Notes Restructuring Agreement financial

"or to consummate the notes restructuring transactions contemplated by the Notes Restructuring Agreement"

solicitation of proxies regulatory

"may be deemed to be participants in the solicitation of proxies with respect to the proposed transaction"

Solicitation of proxies is the process by which a company or a shareholder asks other shareholders to authorize their votes on corporate matters by signing or submitting a proxy form. Think of it like asking friends to sign a permission slip on your behalf so a decision can be made without everyone attending; it matters to investors because proxy campaigns determine control of the board, approval of major deals or policies, and can signal contested management battles that affect share value and strategy.

FAQ

What transaction involving LivePerson (LPSN) is described in this communication?

The communication describes SoundHound AI’s proposed acquisition of LivePerson. It outlines that the deal involves issuing SoundHound AI common stock, is subject to shareholder approvals and regulatory clearances, and is further detailed in a Form S-4 and proxy statement/prospectus filed with the SEC.

What key approvals are required for the LivePerson (LPSN) and SoundHound AI transaction to close?

The transaction requires shareholder approvals, necessary regulatory approvals, and completion of notes restructuring transactions under a Notes Restructuring Agreement. Failure to satisfy these conditions on a timely basis, or at all, could delay, change, or prevent the closing of the proposed acquisition.

Where can LivePerson (LPSN) investors find the Form S-4 and proxy statement/prospectus?

Investors can access the Form S-4 and proxy statement/prospectus on the SEC’s website at www.sec.gov. Copies are also available free of charge on the investor relations sections of SoundHound AI’s website and LivePerson’s website under their respective SEC filings pages.

What risks does LivePerson (LPSN) highlight regarding the SoundHound AI acquisition?

The communication highlights risks such as possible failure to close, delays in satisfying closing conditions, integration difficulties, higher-than-expected transaction costs, reputational impacts among customers and employees, management distraction, and potential legal proceedings related to the proposed acquisition.

Is this LivePerson (LPSN) communication an offer to buy or sell securities?

No. The document explicitly states it is not an offer to sell, buy, or exchange securities, nor a solicitation of any offer, and that any offering of securities will be made only by a prospectus meeting Section 10 of the Securities Act and applicable securities laws.

Why are LivePerson (LPSN) stockholders urged to read the Form S-4 and proxy statement/prospectus?

Stockholders are urged to read these documents because they contain important information about the proposed transaction, including terms, risks, and the interests of directors and executive officers. The communication stresses reviewing them carefully before making any voting or investment decisions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/13/2026 - 05:39 PM Accepted by SEC EDGAR 08/13/2026 - 05:25 PM Learn about SEC filing dates

Filed by: LivePerson, Inc.

Pursuant to Rule 425 under the Securities Act of 1933

Subject Company: LivePerson, Inc.

Commission File No. 001-41926

Date: August 13, 2026

LivePerson, Inc. Please Vote today. https://www.proxypush.com/proxy?$!transmission.getControlNumber() or STOP to end

Forward-Looking Statements

This communication contains “forward-looking statements” within the meaning of the U.S. federal securities laws about the expectations, beliefs, plans, intentions, prospects, financial results and strategies relating to SoundHound AI’s proposed acquisition of LivePerson. Such forward-looking statements include, among others, statements regarding the timing of filing the definitive proxy/prospectus and timing of LivePerson’s special meeting, obtaining regulatory approvals, the

timing of closing of the proposed acquisition, and the parties’ expectations, intentions, strategies, assumptions or beliefs about future events, results of operations or performance or that do not solely relate to historical or current facts. Forward-looking statements are predictions, projections and other statements about future events or conditions that are based on current expectations and assumptions and, as a result, are subject to risks and uncertainties. Many factors could cause actual future events to differ materially from the forward-looking statements in this communication, including: (1) the occurrence of any event, change, or other circumstance that could give rise to the right of one or both of the parties to terminate the definitive merger agreement between LivePerson and SoundHound; (2) the possibility that the transaction does not close when expected or at all due to the failure to satisfy all of the conditions to closing on a timely basis or at all, including the failure to obtain the required shareholder approvals or to consummate the notes restructuring transactions contemplated by the Notes Restructuring Agreement; (3) the risk that the benefits from the transaction may not be fully realized or may take longer to realize than expected, including as a result of changes in, or problems arising from, general economic and market conditions, interest and exchange rates, monetary policy, trade policy (including tariff levels), laws and regulations and their enforcement, and the degree of competition in the geographic and business areas in which LivePerson and SoundHound operate; (4) any failure to promptly and effectively integrate the businesses of LivePerson and SoundHound; (5) the possibility that the transaction may be more expensive to complete than anticipated, including as a result of unexpected factors or events; (6) reputational risk and potential adverse reactions of LivePerson’s or SoundHound’s customers, employees or other business partners, including those resulting from the announcement, pendency or completion of the transaction; (7) the diversion of management’s attention and time to the transaction from ongoing business operations and opportunities; and (8) the outcome of any legal proceedings that may be instituted against LivePerson or SoundHound or in connection with the transaction. Further information on factors that could affect the forward-looking statements and expectations above are contained in the filings that LivePerson and/or SoundHound AI have filed, or that will be filed, with the U.S. Securities and Exchange Commission (the “SEC”), including as set forth in the Form S-4 and the proxy statement/prospectus contained therein, as well as the documents incorporated by reference therein.

All forward-looking statements are expressly qualified in their entirety by the cautionary statements set forth above. Forward-looking statements speak only as of the date they are made, and LivePerson does not undertake or assume any obligation to update publicly any of these statements to reflect actual results, new information or future events, changes in assumptions, or changes in other factors affecting forward-looking statements, except to the extent required by applicable law.

No Offer or Solicitation

This communication is not intended to be, and shall not constitute, an offer to sell, buy or exchange or the solicitation of an offer to sell, buy or exchange any securities, or a solicitation of any vote or approval, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offering of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act.

Additional Information and Where to Find It

In connection with the proposed transaction, SoundHound AI has filed with the U.S. Securities and Exchange Commission (the “SEC”) a registration statement on Form S-4 (the “Form S-4”) that includes a definitive proxy statement of LivePerson and that constitutes a prospectus of SoundHound AI with respect to the shares of the SoundHound AI common stock to be issued in the proposed transaction, dated July 9, 2026 (the “proxy statement/prospectus”). The proxy statement/prospectus was filed with the SEC on July 9, 2026 by LivePerson, and the mailing of the proxy statement/prospectus began to LivePerson’s stockholders on or about the same date. Each of SoundHound AI and LivePerson may also file other relevant documents with the SEC regarding the proposed transaction.

This communication is not a substitute for the Form S-4, the proxy statement/prospectus or any other document that SoundHound AI or LivePerson has filed, or may file, with the SEC in connection with the proposed transaction. INVESTORS AND SECURITY HOLDERS OF SOUNDHOUND AI AND LIVEPERSON ARE URGED TO READ THE FORM S-4, THE PROXY STATEMENT/PROSPECTUS AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THOSE DOCUMENTS, CAREFULLY IN THEIR ENTIRETY IF AND WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION. Investors and security holders will be able to obtain copies of these documents (if and when available), as well as other filings containing information about SoundHound AI and LivePerson, free of charge on the SEC’s website at www.sec.gov. Copies of the documents filed with, or furnished to, the SEC by the Company will be available free of charge on SoundHound AI’s website at https://investors.soundhound.com/financial-information/sec-filings. Copies of the documents filed with, or furnished to, the SEC by LivePerson will be available free of charge on LivePerson’s website at https://ir.liveperson.com/financial-information/sec-filings. The information included on, or accessible through, SoundHound AI’s or LivePerson’s website is not incorporated by reference into this communication.

Participants in the Solicitation

SoundHound, LivePerson and their respective directors and executive officers may be deemed to be participants in the solicitation of proxies with respect to the proposed transaction under the rules of the SEC. Information about the directors and executive officers of SoundHound, including a description of their direct or indirect interests, by security holdings or otherwise, is set forth in SoundHound’s definitive proxy statement for its 2026 annual meeting of stockholders under the heading “Proposal 1 - Election of Directors”, which was filed with the SEC on April 9, 2026 and is available at https://www.sec.gov/ix?doc=/Archives/edgar/data/0001840856/000121390026041978/ea0285618-01.htm. Information about the directors and executive officers of LivePerson and their ownership of LivePerson equity interests can be found in the section entitled “Interests of LivePerson Directors and Executive Officers in the Mergers” and “Owners and Management of LivePerson” included in the proxy/prospectus, which was filed with the SEC on July 9, 2026 and is available at https://www.sec.gov/Archives/edgar/data/1102993/000121390026076759/ea0297465-01.htm. Further information about the directors and executive officers of LivePerson may be found in its amendment to its Annual Report on Form 10-K for the year ended December 31, 2025 under the headings “Directors, Executive Officers and Corporate Governance,” “Executive Compensation,” “Security Ownership of

Certain Beneficial Owners and Management and Related Stockholder Matters” and is available at: https://www.sec.gov/ix?doc=/Archives/edgar/data/0001102993/000110299326000020/lpsn-20251231.htm; in the Form 3 and Form 4 statements of beneficial ownership and statements of changes in beneficial ownership filed with the SEC by LivePerson’s directors and executive officers; and is in other documents filed by LivePerson with the SEC. Additional information regarding the interests of the participants in the solicitation of proxies will be included in other relevant materials to be filed with the SEC if and when they become available. You should read the Form S-4 and the proxy statement/prospectus carefully before making any voting or investment decisions. You may obtain free copies of these documents using the sources indicated above.