About dMY Technology Group, Inc. III
dMY III is a special purpose acquisition company founded by Harry L. You and Niccolo de Masi for the purpose of effecting a merger, capital stock exchange,
asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses or assets.
Important Information About
the Merger and Where to Find It
This communication may be deemed solicitation material in respect of the proposed business combination between dMY III
and IonQ (the Business Combination). The Business Combination has been submitted to the stockholders of dMY III and IonQ for their approval. In connection with the vote of dMYs stockholders, dMY III Technology Group, Inc. III has
filed relevant materials with the SEC, including a registration statement on Form S-4, which includes a proxy statement/prospectus. This communication does not contain all the information that should be
considered concerning the proposed Business Combination and the other matters to be voted upon at the annual meeting and is not intended to provide the basis for any investment decision or any other decision in respect of such matters. dMY
IIIs stockholders and other interested parties are urged to read the definitive proxy statement, dated August 12, 2021, and any other relevant documents that are filed or furnished or will be filed or will be furnished with
the SEC carefully and in their entirety in connection with dMY IIIs solicitation of proxies for the special meeting to be held to approve the Business Combination and other related matters, as these materials will contain important information
about IonQ and dMY III and the proposed Business Combination. On or about August 12, 2021, dMY III mailed the definitive proxy statement/prospectus and a proxy card to each stockholder entitled to vote at the special meeting relating to the
transaction. Such stockholders are also be able to obtain copies of these materials, without charge, at the SECs website at http://www.sec.gov, at dMY IIIs website at https://www.dmytechnology.com/ or by written request to dMY Technology
Group, Inc. III, 11100 Santa Monica Blvd., Suite 2000, Los Angeles, CA 90025.
Forward-Looking Statements
This press release contains certain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and
Section 21E of the Securities Exchange Act of 1934, as amended. These statements may be made directly in this communication. Some of the forward-looking statements can be identified by the use of forward-looking words. Statements that are not
historical in nature, including the words anticipate, expect, suggests, plan, believe, intend, estimates, targets, projects,
should, could, would, may, will, forecast and other similar expressions are intended to identify forward-looking statements. Forward-looking statements are predictions,
projections and other statements about future events that are based on current expectations and assumptions and, as a result, are subject to risks and uncertainties. Many factors could cause actual future events to differ materially from the
forward-looking statements in this press release, including but not limited to: (i) the risk that the transaction may not be completed in a timely manner or at all, which may adversely affect the price of dMYs securities; (ii) the
risk that the transaction may not be completed by dMYs business combination deadline and the potential failure to obtain an extension of the business combination deadline if sought by dMY; (iii) the failure to satisfy the conditions to
the consummation of the transaction, including the approval of the merger agreement by the stockholders of dMY, the satisfaction of the minimum trust account amount following any redemptions by dMYs public stockholders and the receipt of
certain governmental and regulatory approvals; (iv) the lack of a
4