X0407 4 2023-06-30 0 0001824920 IonQ, Inc. IONQ 0001277620 BARRATT CRAIG H C/O IONQ, INC. 4505 CAMPUS DRIVE COLLEGE PARK MD 20740 1 0 0 0 0 Common Stock 2023-06-30 4 A 0 9690 0.00 A 29650 D Common Stock 926347 I See footnote Stock Option (right to buy) 13.53 2023-06-30 4 A 0 14860 0.00 A 2033-06-30 Common Stock 14860 14860 D Represents a restricted stock unit ("RSU") award. The RSUs will vest in full on the earlier of (i) the date of the 2024 Annual Meeting (or the date immediately prior to the 2024 Annual Meeting if the Reporting Person's service as a director ends at such Annual Meeting), or (ii) June 30, 2024, subject in all cases to the Reporting Person's continued service as a member of the Board of Directors through such vesting date. The securities are held by Craig H. Barratt and Celia Marie Oakley, as Trustees of the Barratt-Oakley Trust, dated November 29, 2004 (the "Trust"). The Reporting Person is a trustee of the Trust and has shared voting and investment discretion with respect to the securities held by the Trust. These securities were incorrectly reported as direct holdings on previous filings. The option will vest in full on the earlier of (i) the date of the 2024 Annual Meeting (or the date immediately prior to the 2024 Annual Meeting if the Reporting Person's service as a director ends at such Annual Meeting), or (ii) June 30, 2024, subject in all cases to the Reporting Person's continued service as a member of the Board of Directors through such vesting date. /s/ Jason Minio, Attorney-in-Fact 2023-07-03