Company Supernova Partners Acquisition Company II, Ltd.

Rigetti Holdings, Inc., formerly Supernova Partners Acquisition Company II, Ltd., is an integrated systems company. It serves global enterprise, government, and research clients through its Rigetti Quantum Cloud Services platform. Its proprietary quantum-classical infrastructure provides ultra-low latency integration with public and private clouds for practical quantum computing. It has developed a multi-chip quantum processor for scalable quantum computing systems. It designs and manufactures its chips in-house at Fab-1, which is an integrated quantum device manufacturing facility. Its quantum operating systems are QUIL and Quil-T. Its software tools include PyQuil, Quilc and QVM. The Company supports integration with a variety of classical resources through network application programming interface (APIs). The APIs provide access to core quantum operating system functions such as user authentication, system service authorization, circuit submission, circuit scheduling and concurrency