EX-21 3 csx-12312023ex21subsidiari.htm SUBSIDIARIES OF THE REGISTRANT
Exhibit 21
Subsidiaries of the Registrant
As of December 31, 2023, the Registrant was the beneficial owner of 100% of the common stock of the following significant subsidiaries:
CSX Transportation, Inc. (a Virginia corporation)
As of December 31, 2023, none of the other subsidiaries included in the Registrant's consolidated financial statements constitute a significant subsidiary.