X0206 3 2023-01-09 1 0001707502 Solid Biosciences Inc. SLDB 0001884056 Tan Kevin C/O SOLID BIOSCIENCES INC. 500 RUTHERFORD AVENUE, THIRD FLOOR CHARLESTOWN MA 02129 0 1 0 0 CFO & Treasurer Exhibit Index: 24.1 Power of Attorney /s/ by David Tyronne Howton as attorney-in-fact for Kevin Tan 2023-01-11