On March 10, 2021, the Board of Directors of C4 Therapeutics, Inc. elected Glenn Dubin as a director, such election to be effective on the first business day after the date on which the Company files its Annual Report on Form 10-K for the fiscal year ended December 31, 2020. Mr. Dubin has been designated as a Class II director, to serve in accordance with the Company’s Amended and Restated By-Laws until the Company’s 2022 Annual Meeting of Stockholders and thereafter until his successor has been duly elected and qualified or until his earlier death, removal or resignation. Mr. Dubin is the Principal of Dubin & Co. and serves as a director of Castleton Commodities International LLC.