Filed by Spring Valley Acquisition Corp. III
pursuant to Rule 425 under the Securities Act
of 1933
Subject Company: Spring Valley Acquisition Corp.
III
Commission File No. 001-42822
Subject Company: General Fusion Inc.
Date: July 8, 2026
This filing relates to the proposed transactions pursuant to the terms of that certain Business Combination Agreement, dated January 21,
2026 (the “Business Combination Agreement”), among Spring Valley Acquisition Corp. III, an exempted company limited by shares
incorporated under the Laws of the Cayman Islands (“SVAC”); General Fusion Inc., a British Columbia limited company (“General
Fusion” or the “Company”), and 1573562 B.C. Ltd., a British Columbia limited company (“NewCo”), pursuant
to which, among other things, (i) SVAC will continue from the Cayman Islands to British Columbia, (ii) NewCo will amalgamate with and
into General Fusion (the “Amalgamation”), with NewCo surviving the Amalgamation as a wholly-owned subsidiary of SVAC, pursuant
to an arrangement under the applicable provisions of the Business Corporations Act (British Columbia) and the plan of
arrangement attached as an exhibit to the Business Combination Agreement, and (iii) SVAC will change its name to “General Fusion
Group Ltd.”
On July 7, 2026, the following article was published online by Business
in Vancouver (www.biv.com):
General Fusion, Spring Valley shareholders approve merger
Move paves the way for General Fusion to go public on the Nasdaq under
the symbol GFUZ
B.C.'s General Fusion has received the shareholder approval it needed
in order to go public on the Nasdaq under the symbol GFUZ, thanks to a vote yesterday, the company announced Tuesday morning, July
7.
Shareholders in the special purpose acquisition company (SPAC) Spring
Valley Acquisition Corp. III (Nasdaq:SVAC) Monday, July 6, voted in favour of the proposed business combination with General Fusion.
General Fusion said that its own securityholders also voted in favour of the transaction yesterday.
The reverse-takeover merger is set to close "on or about"
July 10, according to General Fusion. The SPAC would then rename itself General Fusion Group Ltd.
The combined company’s shares would then "shortly thereafter"
trade on the Nasdaq, General Fusion said, adding that its warrants would trade on the Nasdaq, under the ticker symbol GFUZW.
The move is set to stimulate business growth at General Fusion thanks
to the company gaining access to up to US$338 million in capital and gaining what is expected to be an approximate US$1 billion
market capitalization.
It has been hiring workers to add to its approximately 120-person
workforce, mostly based at its Sea Island headquarters in Richmond.
Most of the money General Fusion is set to access comes from the approximately
US$230 million that is on the SPAC's balance sheet. That would become part of General Fusion if the reverse takeover evolves as planned,
General Fusion CEO Greg Twinney told Business in Vancouver last month.
"The shareholders who were involved in that US$230 million can
decide to keep their money in the company, in the General Fusion merged company, or redeem their shares," Twinney said.
Spring Valley shareholders were in a selling mood this morning, with
shares falling more than 28 per cent, before levelling off to close down about 20 per cent around 1 p.m. Vancouver time.
In addition to the money on Spring Valley's balance sheet, General
Fusion is set to get US$108 million from the transaction via what Twinney called "pipe capital."
Pipe capital arrives after executives have gathered commitments
from large institutional investors to buy restricted shares in their private companies before those companies merge with publicly listed
shell companies.
Once those mergers close, the larger companies' shares can be bought
on exchanges by the general public, and the company receives the pipe capital proceeds, Twinney said.
“The expected closing of this transaction represents a major
step in the General Fusion journey, building on more than 20 years of technology development and leadership in the industry,” Twinney said
in a news release.
“Bringing fusion to the capital markets at this inflection point
and becoming the first publicly traded pure-play fusion company marks an incredible next chapter for us as we advance on our path to commercialization
and our mission to bring clean power from fusion to the grid.”
With North American stock markets hitting all-time highs regularly
in the past few years, including in May and in June, corporate executives at private companies are seeking to capitalize on bullish
investor sentiment.
There were 1,293 IPOs globally in 2025, raising US$171.8 billion, which
was a 39 per cent increase in proceeds year-over-year, according to EY.
Elon Musk and other executives at the space exploration company Space
Exploration Technologies Corp. (Nasdaq:SPCX) took the company public on June 12 in the world's largest-ever IPO, raising US$85.7 billion.
By the end of its first day of trading, the company commonly known
as SpaceX had investors value it at US$2.1 trillion.
American AI giants Anthropic and OpenAI have filed papers with the
U.S. Securities and Exchange Commission and plan to go public.
Canada has also had recent behemoth IPOs.
On June 10, Apotex Health Corp. (TSX:APTX) completed its IPO on the
Toronto Stock Exchange, raising about $1.3 billion, which was the largest public offering in Canada since 2021.
That company may be best known to many for being founded by Barry Sherman,
who along with wife Honey Sherman, were victims of a much publicized double-murder in Toronto.
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The article was accompanied by the following photo and caption:

General Fusion has been hiring workers to add to its approximately
120-person workforce, mostly based at its Sea Island headquarters in Richmond. Rob Kruyt, BIV
***
Additional Information and Where to Find It
In connection with the transactions contemplated
by the Business Combination Agreement, the Company and SVAC filed their joint registration statement on Form F-4 (as amended, the “Registration
Statement”) with the U.S. Securities and Exchange Commission (the “SEC”), which includes a preliminary prospectus with
respect to SVAC’s securities to be issued in connection with the Proposed Business Combination and a preliminary proxy statement
in connection with SVAC’s solicitation of proxies for the vote by SVAC’s shareholders with respect to the Proposed Business
Combination and other matters to be described in the Registration Statement. On June 12, 2026, the SEC declared the Registration Statement
effective and SVAC filed the definitive Proxy Statement (the “Proxy Statement”) with the SEC. On June 15, 2026, SVAC commenced
mailing copies of the Proxy Statement to SVAC’s shareholders as of the record date of June 12, 2026. This document does not contain
all the information that should be considered concerning the Proposed Business Combination and is not a substitute for the Registration
Statement, Proxy Statement or for any other document that SVAC has filed or may file with the SEC. Before making any investment or voting
decision, investors and security holders of SVAC and General Fusion are urged to read the Registration Statement and the Proxy Statement,
and any amendments or supplements thereto, as well as all other relevant materials filed or that will be filed with the SEC in connection
with the Proposed Business Combination as they become available because they will contain important information about General Fusion,
SVAC and the Proposed Business Combination. Investors and security holders are able to obtain free copies of the Registration Statement,
the Proxy Statement and all other relevant documents filed or that will be filed with the SEC by SVAC through the website maintained by
the SEC at www.sec.gov. In addition, the documents filed by SVAC may be obtained free of charge from SVAC’s website at https://sv-ac.com
or by directing a request to Spring Valley Acquisition Corp. III, Attn: Corporate Secretary, 2100 McKinney Avenue, Suite 1675, Dallas,
Texas 75201. The information contained on, or that may be accessed through, the websites referenced in this document is not incorporated
by reference into, and is not a part of, this document.
Participants in the Solicitation
General Fusion, SVAC and their respective directors,
executive officers and other members of management and employees may, under the rules of the SEC, be deemed to be participants in
the solicitations of proxies from SVAC’s shareholders in connection with the Proposed Business Combination. For more information
about the names, affiliations and interests of SVAC’s directors and executive officers, please refer to the final prospectus from
SVAC’s initial public offering, which was dated September 3, 2025 and filed with the SEC on September 4, 2025 (the “Final
Prospectus”) and the Registration Statement, Proxy Statement and other relevant materials filed or to be filed with the SEC
in connection with the Proposed Business Combination when they become available. Additional information regarding the participants in
the proxy solicitation and a description of their direct and indirect interests, which may, in some cases, be different than those of
SVAC’s shareholders generally, is included in the Registration Statement and the Proxy Statement. Shareholders, potential investors
and other interested persons should read the Registration Statement and the Proxy Statement carefully before making any voting or investment
decisions. You may obtain free copies of these documents from the sources indicated above.
No Offer or Solicitation
This document shall not constitute a “solicitation”
as defined in Section 14 of the Securities Exchange Act of 1934, as amended. This document shall not constitute an offer to sell
or exchange, the solicitation of an offer to buy or a recommendation to purchase, any securities, or a solicitation of any vote, consent
or approval, nor shall there be any sale, issuance or transfer of securities in any jurisdiction in which such offer, solicitation or
sale may be unlawful under the laws of such jurisdiction. No offering of securities in the Proposed Business Combination shall be made
except by means of a prospectus meeting the requirements of the Securities Act of 1933, as amended, or an exemption therefrom.
Cautionary Note Regarding Forward-Looking Statements
Certain statements included in this document are
not historical facts but are forward-looking statements. All statements other than statements of historical facts contained in this document
are forward-looking statements. Any statements that refer to projections, forecasts or other characterizations of future events or circumstances,
including any underlying assumptions, are also forward-looking statements. In some cases, you can identify forward-looking statements
by words such as “estimate,” “plan,” “project,” “forecast,” “intend,” “expect,”
“anticipate,” “believe,” “seek,” “strategy,” “future,” “opportunity,”
“may,” “target,” “should,” “will,” “would,” “will be,” “will
continue,” “will likely result,” “preliminary,” or similar expressions that predict or indicate future events
or trends or that are not statements of historical matters, but the absence of these words does not mean that a statement is not forward-looking.
Forward-looking statements include, without limitation, SVAC’s, General Fusion’s, or their respective management teams’
expectations concerning the Proposed Business Combination and expected benefits or timing thereof; the outlook for General Fusion’s
business, including its ability to commercialize MTF or any other fusion technology on its expected timeline or at all; statements regarding
the current and expected results of General Fusion’s LM26 program; the ability to execute General Fusion’s strategies, including
on any expected timeline or anticipated cost basis; projected and estimated financial performance; anticipated industry trends; future
capital expenditures; government regulation of fusion energy; and environmental risks; as well as any information concerning possible
or assumed future results of operations of General Fusion. The forward-looking statements are based on the current expectations of the
respective management teams of SVAC and General Fusion, as applicable, and are inherently subject to uncertainties and changes in circumstance
and their potential effects. There can be no assurance that future developments will be those that have been anticipated. These forward-looking
statements involve a number of risks, uncertainties or other assumptions that may cause actual results or performance to be materially
different from those expressed or implied by these forward-looking statements. These risks and uncertainties include, but are not limited
to, (i) the risk that the Proposed Business Combination may not be completed in a timely manner or at all, which may adversely affect
the price of SVAC’s securities; (ii) the failure to satisfy the conditions to the consummation of the Proposed Business Combination,
including the receipt of regulatory approvals; (iii) market risks; (iv) the occurrence of any event, change or other circumstance
that could give rise to the termination of the Business Combination Agreement; (v) the effect of the announcement or pendency of
the Proposed Business Combination on General Fusion’s business relationships, performance, and business generally; (vi) risks
that the Proposed Business Combination disrupts current plans of General Fusion and potential difficulties in its employee retention as
a result of the Proposed Business Combination; (vii) the outcome of any legal proceedings that may be instituted against General
Fusion or SVAC related to the Business Combination Agreement or the Proposed Business Combination; (viii) failure to realize the
anticipated benefits of the Proposed Business Combination; (ix) the inability to maintain the listing of SVAC’s securities
or to meet listing requirements and maintain the listing of the combined company’s securities on Nasdaq; (x) the risk that
the Proposed Business Combination may not be completed by SVAC’s business combination deadline and the potential failure to obtain
an extension of the business combination deadline if sought by SVAC; (xi) the risk that the price of the combined company’s
securities may be volatile due to a variety of factors, including changes in laws, regulations, technologies, natural disasters, national
security tensions, and macro-economic and social environments affecting its business; (xii) laws and regulations governing General
Fusion’s research and development activities, and changes in such laws and regulations; (xiii) any failure to commercialize
MTF on the expected timeline or at all, including any failure to achieve the objectives of the LM26 program; (xiv) environmental
regulations and legislation; (xv) the effects of climate change, extreme weather events, water scarcity, and seismic events, and
the effectiveness of strategies to deal with these issues; (xvi) fluctuations in currency markets; (xvii) General Fusion’s
ability to complete and successfully integrate any future acquisitions; (xviii) increased competition in the fusion industry; (xix) limited
supply of materials and supply chain disruptions; and (xx) the risk that the proposed private placement of convertible preferred
shares and warrants by General Fusion (the “PIPE Financing”) may not be completed, or that other capital needed by the combined
company may not be raised on favorable terms, or at all, including as a result of the restrictions agreed to in connection with the PIPE
Financing. The foregoing list is not exhaustive, and there may be additional risks that neither SVAC nor General Fusion presently know
or that SVAC and General Fusion currently believe are immaterial. You should carefully consider the foregoing factors, any other factors
discussed in this document and the other risks and uncertainties described in the “Risk Factors” section of the Final Prospectus
and the risks described in the Registration Statement, or to be described in any amendment or supplement thereto; the risks described
in the definitive proxy statement/prospectus filed with the SEC on June 12, 2026, or to be described in any amendment or supplement thereto;
and those discussed and identified in filings made with the SEC by SVAC from time to time. General Fusion and SVAC caution you against
placing undue reliance on forward-looking statements, which reflect current beliefs and are based on information currently available as
of the date a forward-looking statement is made. Forward-looking statements set forth in this document speak only as of the date of this
document. Neither General Fusion nor SVAC undertakes any obligation to revise forward-looking statements to reflect future events, changes
in circumstances, or changes in beliefs. In the event that any forward-looking statement is updated, no inference should be made that
General Fusion or SVAC will make additional updates with respect to that statement, related matters, or any other forward-looking statements.
Any corrections or revisions and other important assumptions and factors that could cause actual results to differ materially from forward-looking
statements, including discussions of significant risk factors, may appear, up to the consummation of the Proposed Business Combination,
in SVAC’s public filings with the SEC, which are or will be (as applicable) accessible at www.sec.gov, and which you are advised
to review carefully.