On December 21, 2020, the Board of Translate Bio, Inc. appointed Ronald C. Renaud, Jr., the Company’s President and Chief Executive Officer, as the interim Principal Financial Officer. Mr. Renaud has served as the Company’s President and Chief Executive Officer and President since November 2014. On December 21, 2020, the Board appointed Robert D. Prentiss as the Company’s interim Principal Accounting Officer. Mr. Prentiss has served as the Company’s Vice President and Corporate Controller since March 2017, and served as the Director of Finance and Accounting from January 2015 until March 2017. Previously, he served as the Director of Finance and Accounting at Idenix Pharmaceuticals, Inc., a biopharmaceutical company, from August 2011 to September 2014.