X0508 4 2026-02-24 0 0002089283 Eagle Nuclear Energy Corp. NUCL 0002102086 Mukhija Manavdeep Singh 5470 KIETZKE LANE SUITE 300 RENO NV 89511 1 1 0 0 Chief Executive Officer 0 Common Stock, par value $0.0001 per share 2026-02-24 4 A 0 314793 A 314793 D Right to receive Earnout Shares 2026-02-24 4 A 0 43873 A Common Stock, par value $0.0001 per share 43873 43873 D Reflects the issuance by Eagle Nuclear Energy Corp. (the "Issuer") on February 24, 2026, of 314,793 shares (the "Merger Consideration") of common stock, par value $0.0001 per share (the "Common Stock"), pursuant to the Amended and Restated Agreement and Plan of Merger, dated as of September 29, 2025 (as it may be amended, supplemented, or otherwise modified from time to time, the "Merger Agreement"), by and among Spring Valley Acquisition Corp. II, the Issuer, Spring Valley Merger Sub III, Inc., Spring Valley Merger Sub II, Inc., and Eagle Energy Metals Corp. ("Eagle"). The Merger Consideration was received in exchange for 1,428,566 shares of common stock of Eagle, representing an exchange ratio of 5.8347. On February 24, 2026, the Reporting Person became entitled to receive 43,873 shares of Common Stock (the "Earnout Shares") pursuant to an "earnout" provision in the Merger Agreement, in the event that the metrics described in the following footnote are satisfied during the five-year period following the closing (the "Closing Date") as contemplated in the Merger Agreement. In the event that the dollar volume-weighted average price ("VWAP") of the Common Stock equals or exceeds $16.00 per share for twenty (20) trading days within a period of thirty (30) consecutive trading days during the period beginning on the Closing Date and ending on the five-year anniversary of the Closing Date, the Reporting Person will be entitled to receive 43,873 Earnout Shares. /s/ Manavdeep Singh Mukhija 2026-02-27