C4 Therapeutics Announces Pricing of Public Offering

WATERTOWN, Mass., June 16, 2021 (GLOBE NEWSWIRE) — C4 Therapeutics, Inc. (C4T) (Nasdaq: CCCC), a clinical-stage biopharmaceutical company pioneering a new class of small-molecule medicines that selectively destroy disease-causing proteins through degradation, today announced the pricing of an underwritten public offering of 4,250,000 shares of its common stock at a public offering price of $37.00 per share. All of the shares of common stock in the offering will be offered by C4T. In addition, C4T granted the underwriters a 30-day option to purchase up to 637,500 additional shares of common stock at the public offering price, less the underwriting discount and commissions. The gross proceeds from the offering, before deducting underwriting discounts and commissions and offering expenses payable by C4T, are expected to be approximately $157 million, excluding any exercise of the underwriters’ option to purchase additional shares. The offering is expected to close on or about June 21, 2021, subject to customary closing conditions. J.P. Morgan, Jefferies, Evercore ISI, BMO Capital Markets and UBS Investment Bank are acting as joint book-running managers for the offering. A registration statement relating to the securities being sold in this offering has been filed with, and declared effective by, the Securities and Exchange Commission (“SEC”). The offering will be made only by means of a prospectus. When available, copies of the final prospectus may be obtained from: J.P. Morgan Securities LLC, Attention: Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, telephone: 1-866- 803-9204 or email at [email protected]; or from Jefferies LLC, Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, 2nd Floor, New York, NY 10022, by telephone at (877) 821-7388, or by email at [email protected]; or from Evercore Group L.L.C., Attention: Equity Capital Markets, 55 East 52nd Street, 36th Floor, New York, NY 10055, or by telephone at (888) 474 0200, or by email at [email protected]; or from BMO Capital Markets Corp. at 3 Times Square, 25th Floor, New York, NY 10036, Attention: Equity Syndicate Department, or by telephone at (800) 414-3627, or by email to [email protected]; or from UBS Securities LLC, Attention: Prospectus Department, 1285 Avenue of the Americas, New York, New York 10019, or by telephone at (888) 827-7275, or by e-mail at [email protected]. This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any offer or sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such state or other jurisdiction. About C4 Therapeutics C4 Therapeutics (C4T) is a clinical-stage biopharmaceutical company focused on harnessing the body’s natural regulation of protein levels to develop novel therapeutic candidates to target and destroy disease-causing proteins for the treatment of cancer and other diseases. This targeted protein degradation approach offers advantages over traditional therapies, including the potential to treat a wider range of diseases, reduce drug resistance, achieve higher potency, and decrease side effects through greater selectivity. 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 terms of the public offering, including our expectations with respect to any exercise of the underwriters’s 30-day option to purchase additional shares, and the completion of the public offering. 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 our product candidates; the risk that any one or more of our product candidates will cost more to develop or may not be successfully developed and commercialized; and the risk that the results of preclinical studies and/or clinical trials will or will not be predictive of future results in connection with future studies or trials. For a discussion of these and other risks and uncertainties, and other important factors, any of which could cause our 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 SEC. 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. Investor Contact: Kendra Adams SVP, Communications & Investor Relations [email protected] Media Contact: Loraine Spreen Director, Corporate Communications & Patient Advocacy [email protected]