X0508 4 2023-08-15 0 0001824920 IonQ, Inc. IONQ 0001885265 Kim Jungsang C/O IONQ, INC. 4505 CAMPUS DRIVE COLLEGE PARK MD 20740 1 1 0 0 Chief Technology Officer 0 Common Stock 2023-08-15 4 A 0 62574 0.00 A 6646335 D Common Stock 5000 I By Spouse Common Stock 27837 I By Child Common Stock 809691 I See footnote Represents a restricted stock unit ("RSU") award. The RSUs shall vest 1/16th of the total number of shares underlying the awards on September 10, 2023 and quarterly thereafter on each subsequent December 10, March 10, June 10 and September 10, subject to the Reporting Person's continuous service to the Issuer on each such vesting date. These shares were inadvertently omitted from previous filings. The securities are held by the Jungsang Kim Irrevocable Trust for the benefit of the Reporting Person's children. The Reporting Person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these securities for the purpose of Section 16 or for any other purpose. /s/ Jason Minio, Attorney-in-Fact 2023-08-17