Rigetti Computing to Report First Quarter 2026 Financial Results and Host Conference Call on May 11, 2026 BERKELEY, Calif., April 27, 2026 (GLOBE NEWSWIRE) -- Rigetti Computing, Inc. ("Rigetti" or the "Company") (Nasdaq: RGTI), a pioneer in hybrid quantum-classical computing, announced today that it will release first quarter 2026 results on Monday, May 11, 2026, after market close. The Company will host a conference call to discuss its financial results and provide an update on its business operations at 5:00 pm ET the same day. Key details regarding the call are as follows: Call Date: Monday, May 11, 2026 Call Time: 5:00 pm ET / 2:00 pm PT Webcast Link: https://edge.media-server.com/mmc/p/9vx4c96d Live Call Participant Link: https://register-conf.media-server.com/register/BIdbc06bbc0efb4b84b0681bceed95f22a Webcast Instructions You can listen to a live audio webcast of the conference call by visiting the “Webcast Link” above or the "Events & Presentations" section of the Company's Investor Relations website at https://investors.rigetti.com/. A replay of the conference call will be available at the same locations following the conclusion of the call for one year. Live Call Participant Instructions To participate in the live call, you must register using the “Live Call Participant Link” above. Once registered, you will receive dial-in numbers and a unique PIN number. When you dial in, you will input your PIN and be routed into the call. If you register and forget your PIN, or lose the registration confirmation email, simply re-register to receive a new PIN. About Rigetti Rigetti is a pioneer in full-stack quantum computing. Rigetti quantum computers are based on superconducting qubits, which are widely believed to be the leading qubit modality given their maturity, clear path to scaling, and fast gate speeds. Current Rigetti quantum computing systems achieve gate speeds of 50-70 nanoseconds, which is about 1,000 times faster than alternative modalities such as