Material Event Form 8 K

On September 24, 2024, Rigetti & Co., LLC ("Rigetti LLC"), a wholly-owned subsidiary of Rigetti Computing, Inc. (the "Company") entered into an Amendment No. 3 (the "Third Amendment"), dated September 20, 2024, to that certain Standard Industrial/Commercial Multi-Tenant Lease - Gross (as previously amended, the "Original Lease"), by and among Rigetti LLC, Temescal, LP, a California limited partnership, and Contra Costa Industrial Park, II, a California limited partnership (collectively, "Lessor") dated April 15, 2015, whereby the Company leases certain premises located in 775 Heinz Avenue, Berkeley, CA 94710, the Company's corporate headquarters.

The Third Amendment extends the Original Lease to October 31, 2028, with an option to extend the term of the lease, and sets new rental rates of $71,756.25 per month (the "Base Rent") that are effective as of November 1, 2025. Beginning on November 1, 2026, and on the first and each successive anniversary during the term of the lease (each an "Adjustment Date"), the Base Rent due shall be adjusted to an amount equal to the Base Rent payable for the month immediately preceding such Adjustment Date multiplied by 103%. All other terms of the Original Lease remain in full force and effect.

The foregoing description of the Third Amendment is qualified in its entirety by the full text of the Third Amendment, a copy of which is filed as Exhibit 10.1 to this Current Report on Form 8-K, and incorporated herein by reference.