Kevin Boone's Stock Option Exercise at CSX Corp.

Kevin Boone, an officer at CSX Corp., exercised stock options for 31,053 shares of common stock on October 22, 2025. The transaction was executed at a market value of approximately $1,120,761.77. The shares were acquired from the issuer, CSX Corp., and the transaction was facilitated by Morgan Stanley Smith Barney LLC Executive Financial Services. There were no securities sold by Boone in the past three months. This filing is a Form 144 submission, indicating the intent to sell restricted or control securities.