X0508 4 2025-09-09 0001838359 Rigetti Computing, Inc. RGTI 0001827853 Clifton Michael S. C/O RIGETTI COMPUTING, INC. 775 HEINZ AVENUE BERKELEY CA 94710 1 0 0 0 1 Common Stock 2025-09-09 4 S 0 100000 15.3934 D 728766 D Warrants (Right to Buy) 11.50 2025-09-09 4 S 0 25000 5.6858 D 2027-03-02 Common Stock 25000 485062 D This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 10, 2025. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.365 to $15.475, 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 separate price within the range set forth in this footnote. Fully vested and exercisable. The price reported in Column 8 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $5.65 to $5.73, 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 securities sold at each separate price within the range set forth in this footnote. /s/ Jeffrey Bertelsen, Attorney-in-Fact 2025-09-10