COLLEGE PARK, Md., July 04, 2025 – IonQ, Inc. (“IonQ” or the “Company”), a leading commercial quantum computing and networking company, today announced the pricing of a $1.0 billion equity offering consisting of 14,165,708 shares of IonQ’s common stock, each at $55.49 per share, and pre-funded warrants to purchase 3,855,557 shares of IonQ’s common stock, each at $55.49 per pre-funded warrant, each representing a premium of about 25% to IonQ’s closing stock price on July 3, 2025, as well as seven-year warrants to purchase 36,042,530 additional shares of IonQ’s common stock, for no additional consideration, at an exercise price of $99.88 per share. The securities offered will be purchased from the underwriter by Heights Capital Management, Inc. (the “investor”).

Niccolo de Masi, President and CEO, of IonQ said, “IonQ is well-capitalized with a strong cash position and has been rapidly expanding our ecosystem as we execute against our global quantum computing and networking strategy. We believe this is the largest common-stock single-institutional investment in the history of the quantum industry. It is a tremendous validation of our technical momentum, recent acquisitions, IP, and talent density. With this transaction, IonQ will benefit from a balance sheet of approximately $1.68 billion of pro-forma cash as of March 31, 2025, underwriting our sustained growth and pioneering quantum commercialization worldwide.”

J.P. Morgan acted as the sole underwriter in the transaction. Paul, Weiss, Rifkind, Wharton & Garrison LLP served as legal counsel to IonQ. Simpson Thacher & Bartlett LLP acted as legal counsel to J.P. Morgan. Skadden, Arps, Slate, Meagher & Flom LLP acted as legal counsel to the investor.

A shelf registration statement (including a prospectus) relating to these securities has been filed with the Securities and Exchange Commission (“SEC”) and is effective. Before investing, interested parties should read the prospectus supplement and accompanying prospectus and other documents filed with the SEC for information about IonQ and this offering. You may get these documents for free by visiting EDGAR on the SEC website at sec.gov. Alternatively, a copy may be obtained from J.P. Morgan Securities LLC, 383 Madison Avenue, New York, NY 10179, or by email at prospectus-eq_fi@jpmchase.com or postsalemanualrequests@broadridge.com.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy securities, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. Any offers, solicitations or offers to buy, or any sales of securities will be made in accordance with the registration requirements of the Securities Act of 1933, as amended.