Exhibit 99.1 Rigetti Computing Reports Fourth Quarter and Full Year 2023 Results ● Deployed the 84-qubit Ankaa™-2 quantum computer, with a 2.5X improvement in error performance compared to the Company’s previous QPUs and achieved a 98% median 2-qubit fidelity. ● Won competition to develop and deliver a 24-qubit quantum computing system to the UK’s National Quantum Computing Centre (NQCC). ● Launched the Novera™ QPU, a 9-qubit quantum processor unit available for integration into customers’ on- premise syste ...