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The shares were sold in multiple transactions at prices ranging from $12.78 to $13.451, inclusive. The reporting person undertakes to provide to the issuer,  any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"39,936,472 shares of Class A Common Stock are beneficially owned by Fluor Enterprises, Inc., which is a wholly owned subsidiary of Fluor Corporation, whose principal place of business if 6700 Las Colinas Boulevard, Irving, Texas 75039. 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These shares were sold in multiple transactions at prices ranging from $37.76 to $38.21, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are owned of record by Fluor Enterprises, Inc., which is a wholly owned subsidiary of Fluor Corporation, whose principal business address is 6700 Las Colinas Boulevard, Irving, Texas 75039."}],"balance_after":14228457,"source":{"system":"sec-edgar","filing":"0001124198-25-000038","document":"wk-form4_1758235062.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1124198/000112419825000038/wk-form4_1758235062.xml","form_type":"4"}},{"id":1036565,"issuer":{"id":4088,"kind":"organization","name":"NUSCALE POWER Corp","symbol":"SMR"},"owners":[{"id":3672,"kind":"organization","name":"FLUOR CORP","position":1,"cik":"0001124198","reported_name":"FLUOR CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-09-18T22:37:45.000Z","date":"2025-09-16","kind":"sale","planned":false,"acquired":false,"shares":764984,"price":37.25,"value":28495654.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.76 to $37.75, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (1), (3), (4), (5), (6), (7), (8), (9) and (10) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are owned of record by Fluor Enterprises, Inc., which is a wholly owned subsidiary of Fluor Corporation, whose principal business address is 6700 Las Colinas Boulevard, Irving, Texas 75039."}],"balance_after":14235016,"source":{"system":"sec-edgar","filing":"0001124198-25-000038","document":"wk-form4_1758235062.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1124198/000112419825000038/wk-form4_1758235062.xml","form_type":"4"}},{"id":1066776,"issuer":{"id":4088,"kind":"organization","name":"NUSCALE POWER Corp","symbol":"SMR"},"owners":[{"id":3672,"kind":"organization","name":"FLUOR CORP","position":1,"cik":"0001124198","reported_name":"FLUOR CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Units and Class B Common Stock","published_at":"2025-08-14T21:21:42.000Z","date":"2025-08-12","kind":"exercise","planned":false,"acquired":false,"shares":15000000,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Class B unit of NuScale Power, LLC, an Oregon limited liability company and a wholly owned subsidiary of the Issuer (\"Class B Units\"), together with one share of Class B common stock, par value $0.0001 per share, of the Issuer (\"Class B Common Stock\"), is exchangeable into one share of Class A common stock, par value $0.0001 per share, of the Issuer (\"Class A Common Stock\") with no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Class B unit of NuScale Power, LLC, an Oregon limited liability company and a wholly owned subsidiary of the Issuer (\"Class B Units\"), together with one share of Class B common stock, par value $0.0001 per share, of the Issuer (\"Class B Common Stock\"), is exchangeable into one share of Class A common stock, par value $0.0001 per share, of the Issuer (\"Class A Common Stock\") with no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each Class B unit of NuScale Power, LLC, an Oregon limited liability company and a wholly owned subsidiary of the Issuer (\"Class B Units\"), together with one share of Class B common stock, par value $0.0001 per share, of the Issuer (\"Class B Common Stock\"), is exchangeable into one share of Class A common stock, par value $0.0001 per share, of the Issuer (\"Class A Common Stock\") with no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each Class B unit of NuScale Power, LLC, an Oregon limited liability company and a wholly owned subsidiary of the Issuer (\"Class B Units\"), together with one share of Class B common stock, par value $0.0001 per share, of the Issuer (\"Class B Common Stock\"), is exchangeable into one share of Class A common stock, par value $0.0001 per share, of the Issuer (\"Class A Common Stock\") with no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"15,000,000 shares of Class A Common Stock, 110,936,472 Class B Units and 110,936,472 shares of Class B Common Stock are owned of record by Fluor Enterprises, Inc., which is a wholly owned subsidiary of Fluor Corporation, whose principal business address is 6700 Las Colinas Boulevard, Irving, Texas 75039.  463,747 Class B Units and 463,747 shares of Class B Common Stock are owned of record by NuScale Holdings Corp., which is majority owned by Fluor Enterprises, Inc."}],"balance_after":111400219,"derivative":{"underlying":"Class A Common Stock","underlying_shares":15000000},"source":{"system":"sec-edgar","filing":"0001124198-25-000031","document":"wk-form4_1755206498.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1124198/000112419825000031/wk-form4_1755206498.xml","form_type":"4"}},{"id":1066775,"issuer":{"id":4088,"kind":"organization","name":"NUSCALE POWER Corp","symbol":"SMR"},"owners":[{"id":3672,"kind":"organization","name":"FLUOR CORP","position":1,"cik":"0001124198","reported_name":"FLUOR CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-08-14T21:21:42.000Z","date":"2025-08-12","kind":"exercise","planned":false,"acquired":true,"shares":15000000,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Class B unit of NuScale Power, LLC, an Oregon limited liability company and a wholly owned subsidiary of the Issuer (\"Class B Units\"), together with one share of Class B common stock, par value $0.0001 per share, of the Issuer (\"Class B Common Stock\"), is exchangeable into one share of Class A common stock, par value $0.0001 per share, of the Issuer (\"Class A Common Stock\") with no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"15,000,000 shares of Class A Common Stock, 110,936,472 Class B Units and 110,936,472 shares of Class B Common Stock are owned of record by Fluor Enterprises, Inc., which is a wholly owned subsidiary of Fluor Corporation, whose principal business address is 6700 Las Colinas Boulevard, Irving, Texas 75039.  463,747 Class B Units and 463,747 shares of Class B Common Stock are owned of record by NuScale Holdings Corp., which is majority owned by Fluor Enterprises, Inc."}],"balance_after":15000000,"source":{"system":"sec-edgar","filing":"0001124198-25-000031","document":"wk-form4_1755206498.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1124198/000112419825000031/wk-form4_1755206498.xml","form_type":"4"}}]}