Company: IONQ
Filing Date: 2025-02-26
Form Type: S-8
Source: 0001193125-25-036759
Chunk: 6

Company: IonQ, Inc.
Filing Date: 2025-02-26
Form: S-8
Chunk 6
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 opinion of the Commission such indemnification is against public policy as expressed in the Securities
Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the Registrant of expenses incurred or paid by a director, officer or controlling person of the Registrant in the
successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the Registrant will, unless in the opinion of its counsel the matter has been
settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.

SIGNATURES Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8and the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized in the City of College Park, State of Maryland, on this 26th day of February, 2025.

| IONQ, INC. |     |                                       |
| By:        |     | /s/ Peter Chapman                     |
|            |     | Peter Chapman                         |
|            |     | President and Chief Executive Officer |

POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below hereby constitutes and appoints Peter Chapman and Thomas Kramer, and each of them, as his or her true and lawful agents, proxies and attorneys-in-fact,with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all amendments to this Registration Statement (including post-effective amendments), and to file the same, with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact,proxies and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact,proxies and agents, or any of them, or his