Disclosures

Cautionary Note Regarding Forward-Looking Statements

Certain statements included in this video are not historical facts but are forward-looking statements. All statements other than statements of historical facts contained in this video 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, statements regarding the closing of the transactions (the “Proposed Business Combination”) contemplated by the business combination agreement, dated January 21, 2026, among General Fusion Inc. (“General Fusion”), Spring Valley Acquisition Corp. III (“SVAC”), and the other party thereto (as amended, the “Business Combination Agreement”); SVAC’s, General Fusion’s, or their respective management teams’ expectations concerning General Fusion’s plan to go public through the Proposed Business Combination and expected benefits or timing thereof; the outlook for General Fusion’s business, including its ability to commercialize Magnetized Target Fusion (“MTF”) or any other fusion technology on its expected timeline or at all; and statements regarding the current and expected results of General Fusion’s Lawson Machine 26 (“LM26”) program; 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 management team of each 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, 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; the risk that the conditions to the consummation of the Proposed Business Combination, including the adoption of the Business Combination Agreement by the shareholders of SVAC and General Fusion and the receipt of regulatory approvals are not satisfied or waived; the risk that there occurs any event, change or other circumstance that could give rise to the termination of the Business Combination Agreement; the risk that the announcement or pendency of the Proposed Business Combination has a negative effect on General Fusion’s business relationships, performance, and business generally; the risk 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; the risk of legal proceedings against General Fusion or SVAC related to the Proposed Business Combination; the risk that the anticipated benefits of the Proposed Business Combination are not realized; the risk that the combined entity is unable 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; 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; the risk that the price of the combined entity’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; the risk of changes in the laws and regulations governing General Fusion’s research and development activities; the risk that General Fusion fails to commercialize MTF on the expected timeline or at all, including any failure to achieve the objectives of the LM26 program; the risk of the effects of climate change, extreme weather events, water scarcity, and seismic events, and that strategies to deal with these issues are not effective; the risk of fluctuations in currency markets; the risk that General Fusion is unable to complete and successfully integrate any future acquisitions; the risk of increased competition in the fusion industry; the risk of supply chain disruptions and that materials are in limited supply; and 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 General Fusion nor SVAC presently know or that SVAC and General Fusion currently believe are immaterial. You should carefully consider the foregoing factors, any other factors discussed herein and in the other filings and potential filings by General Fusion, SVAC, or the combined company resulting from the proposed transaction with the U.S. Securities and Exchange Commission (the “SEC”), including those described under the heading “Risk Factors.”

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 video speak only as of the date of this video. Neither General Fusion nor SVAC undertakes any obligation to revise forward-looking statements to reflect future events, changes in circumstances, or changes in beliefs, except as required by applicable securities laws. 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.

Important Information for Investors and Shareholders

In connection with the Proposed Business Combination, General Fusion and SVAC jointly filed with the SEC a registration statement on Form F-4 (the “Registration Statement”), 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 described in the Registration Statement. On June 12, 2026, the SEC declared the Registration Statement effective and SVAC filed the definitive Proxy Statement/Prospectus (the “Proxy Statement/Prospectus”) with the SEC. SVAC mailed copies of the Proxy Statement/Prospectus to SVAC’s shareholders as of the record date of June 12, 2026. Before making any investment or voting decision, investors and security holders of SVAC and General Fusion are urged to read the Proxy Statement/Prospectus, 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/Prospectus 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 herein is not incorporated by reference into, and is not a part of, such documents.

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 Proxy Statement/Prospectus and other relevant materials filed or to be filed with the SEC in connection with the Proposed Business Combination when they become available. Shareholders, potential investors and other interested persons should read the Proxy Statement/Prospectus 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 video shall not constitute a “solicitation” as defined in Section 14 of the Securities Exchange Act of 1934, as amended. This video 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.