C4 Therapeutics, Inc.

Forward Looking Statements

This press release contains “forward-looking statements” of C4 Therapeutics, Inc., within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements may include, but may not be limited to, express or implied statements regarding the Company’s ability to develop potential therapies for patients; the design and potential efficacy of the Company’s therapeutic approaches; the predictive capability of the Company’s TORPEDO® platform in the development of novel, selective, orally bioavailable BiDAC™ and MonoDAC®degraders; the potential timing, design and advancement of the Company’s preclinical studies and clinical trials, including the Company’s Phase 2 MOMENTUM trial, Phase 1b combination trials, and Phase 3 trial planning activities, and the potential timing for and receipt of regulatory authorization, clinical trial initiation and patient enrollment; the potential timing and/or receipt of regulatory approval for the Company’s product candidates; the anticipated timing and content of presentations of data from the Company’s clinical trials; and expectations for the Company’s uses of capital, expenses and financial results, including its cash runway to the end of 2028. Any forward-looking statements in this press release are based on management’s current expectations and beliefs of future events and are subject to a number of risks and uncertainties that could cause actual results to differ materially and adversely from those set forth in or implied by such forward-looking statements. These risks and uncertainties include, but are not limited to: uncertainties related to the initiation, timing, advancement and conduct of preclinical and clinical studies and other development requirements for the Company’s product candidates; the risk that any one or more of the Company’s product candidates will cost more to develop or may not be successfully developed and commercialized; and the risk that sufficient capital to fund the Company’s future operations will be available to the Company on acceptable terms or at the times required. For a discussion of these and other risks and uncertainties, and other important factors, any of which could cause the Company’s actual results to differ from those contained in the forward-looking statements, see the section entitled “Risk Factors” in C4 Therapeutics’ most recent Annual Report on Form 10-K and/or Quarterly Report on Form 10-Q, as filed with the Securities and Exchange Commission. All information in this press release is as of the date of the release, and C4 Therapeutics undertakes no duty to update this information unless required by law.