IonQ, Inc.

Our financial statements for our fiscal year ended December 31, 2024 are included in our annual report, which we will make available to stockholders at the same time as this proxy statement. Our proxy materials and our annual report are posted on our website at investors.ionq.com and are available from the SEC at its website atwww.sec.gov. You may also obtain a copy of our annual report, free of charge, by sending a written request to IonQ, Inc., 4505 Campus Drive, College Park, Maryland 20740, Attention: Investor Relations.

Information contained on, or that can be accessed through, our website is not intended to be incorporated by reference into this proxy statement, and references to our website address in this proxy statement are inactive textual references only.

The board of directors does not know of any other matters to be presented at the Annual Meeting. If any additional matters are properly presented at the Annual Meeting, the persons named in the proxy will have discretion to vote the shares of our common stock they represent in accordance with their own judgment on such matters.

It is important that your shares be represented at the Annual Meeting, regardless of the number of shares that you hold. You are, therefore, urged to vote as promptly as possible to ensure your vote is recorded.

THE BOARD OF DIRECTORS

College Park, MD

April 28, 2025

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