X0306 4 2022-01-03 0 0000277948 CSX CORP CSX 0001790747 Boychuk Jamie J. 500 WATER STREET JACKSONVILLE FL 32202 0 1 0 0 EVP - Operations Common Stock 2022-01-03 5 A 0 E 325 27.44 A 56870 D Phantom Stock 2022-01-03 4 A 0 90 37.08 A Common Stock 90 1197 I CSX Executive Deferred Compensation Plan These shares were acquired under the CSX Corporation Employee Stock Purchase Plan in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c). Each unit of phantom stock is the economic equivalent of one share of Company common stock. Units of phantom stock become payable, in cash, consistent with the Reporting Person's distribution election made at the time of deferral. By Trustee, CSX Corporation Executive Deferred Compensation Plan. /s/ Mark D. Austin, Attorney-in-Fact 2022-01-04