CSX · Csx Corp

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.

Includes 4.82 units of phantom stock acquired in connection with the payment of a dividend on June 15, 2026 at $47.39 per share.

By Trustee, CSX Corporation Executive Deferred Compensation Plan.

Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

Includes 606 shares acquired through the reinvestment of dividends since March 13, 2026, the date of the last reportable transaction.

By Trustee, CSX Directors Deferred Compensation Plan (the "Plan"). The shares are payable after the reporting person ceases to be a director or otherwise pursuant to the applicable deferral election under the Plan.

Weighted average price, as these shares were sold in multiple transactions at prices ranging from $46.66 to $46.74, inclusive. The Reporting Person undertakes to provide to CSX Corporation, any security holder of CSX Corporation, or the staff of the Securities and Exchange Commission, upon request, additional information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Weighted average price, as these shares were sold in multiple transactions at prices ranging from $46.43 to $46.50, inclusive. The Reporting Person undertakes to provide to CSX Corporation, any security holder of CSX Corporation, or the staff of the Securities and Exchange Commission, upon request, additional information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The original exercise price of the option was $68.09. On June 28, 2021, the common stock of CSX Corporation split 3-for-1 resulting in an adjusted price of $22.70.

On June 28, 2021, the common stock of CSX Corporation split 3-for-1 resulting in an adjustment to the number of shares subject to the option from 4,485 shares to 13,455 shares.

The original exercise price of the option was $70.45. On June 28, 2021, the common stock of CSX Corporation split 3-for-1 resulting in an adjusted price of $23.48.

On June 28, 2021, the common stock of CSX Corporation split 3-for-1 resulting in an adjustment to the number of shares subject to the option from 82,169 shares to 246,507 shares.

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.

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.

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.

Includes 3.57 units of phantom stock acquired in connection with the payment of a dividend on March 13, 2026 at $37.18 per share.

By Trustee, CSX Corporation Executive Deferred Compensation Plan.

Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

By Trustee, CSX Directors Deferred Compensation Plan (the "Plan"). The shares are payable after the reporting person ceases to be a director or otherwise pursuant to the applicable deferral election under the Plan.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $40.16 to $40.32, inclusive. The Reporting Person undertakes to provide to CSX Corporation, any security holder of CSX Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote to this Form 4.

Shares contributed by the reporting person to a charitable foundation.

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.

Options awarded pursuant to the CSX Corporation 2026 - 2028 Long-Term Incentive Plan.

The options vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

Includes 344 shares acquired through the reinvestment of dividends since February 14, 2025, the date of the last reportable transaction.

By Trustee, CSX Directors Deferred Compensation Plan (the "Plan"). The shares are payable after the reporting person ceases to be a director or otherwise pursuant to the applicable deferral election under the Plan.

Options awarded pursuant to the CSX Corporation 2026 - 2028 Long-Term Incentive Plan.

The options vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Options awarded pursuant to the CSX Corporation 2026 - 2028 Long-Term Incentive Plan.

The options vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

Includes 91 shares acquired through the reinvestment of dividends since February 14, 2025, the date of the last reportable transaction.

By Trustee, CSX Directors Deferred Compensation Plan (the "Plan"). The shares are payable after the reporting person ceases to be a director or otherwise pursuant to the applicable deferral election under the Plan.

Options awarded pursuant to the CSX Corporation 2026 - 2028 Long-Term Incentive Plan.

The options vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Restricted stock units awarded pursuant to the CSX Corporation 2026-2028 Long-Term Incentive Plan. The units vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Restricted stock units awarded pursuant to the CSX Corporation 2026-2028 Long-Term Incentive Plan. The units vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

Includes 1,039 shares acquired through the reinvestment of dividends since February 14, 2025, the date of the last reportable transaction.

By Trustee, CSX Directors Deferred Compensation Plan (the "Plan"). The shares are payable after the reporting person ceases to be a director or otherwise pursuant to the applicable deferral election under the Plan.

Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

Includes 554 shares acquired through the reinvestment of dividends since February 14, 2025, the date of the last reportable transaction.

By Trustee, CSX Directors Deferred Compensation Plan (the "Plan"). The shares are payable after the reporting person ceases to be a director or otherwise pursuant to the applicable deferral election under the Plan.

Options awarded pursuant to the CSX Corporation 2026 - 2028 Long-Term Incentive Plan.

The options vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Restricted stock units awarded pursuant to the CSX Corporation 2026-2028 Long-Term Incentive Plan. The units vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

Options awarded pursuant to the CSX Corporation 2026 - 2028 Long-Term Incentive Plan.

The options vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Options awarded pursuant to the CSX Corporation 2026 - 2028 Long-Term Incentive Plan.

The options vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

By Trustee, CSX Directors Deferred Compensation Plan (the "Plan"). The shares are payable after the reporting person ceases to be a director or otherwise pursuant to the applicable deferral election under the Plan.

Exempt payment of non-executive chair retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

Restricted stock units awarded pursuant to the CSX Corporation 2026-2028 Long-Term Incentive Plan. The units vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Restricted stock units awarded pursuant to the CSX Corporation 2026-2028 Long-Term Incentive Plan. The units vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Restricted stock units awarded pursuant to the CSX Corporation 2026-2028 Long-Term Incentive Plan. The units vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Restricted stock units awarded pursuant to the CSX Corporation 2026-2028 Long-Term Incentive Plan. The units vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

Includes 440 shares acquired through the reinvestment of dividends since February 14, 2025, the date of the last reportable transaction.

By Trustee, CSX Directors Deferred Compensation Plan (the "Plan"). The shares are payable after the reporting person ceases to be a director or otherwise pursuant to the applicable deferral election under the Plan.

Options awarded pursuant to the CSX Corporation 2026-2028 Long-Term Incentive Plan.

The options vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Restricted stock units awarded pursuant to the CSX Corporation 2026-2028 Long-Term Incentive Plan. The units vest in three equal installments on February 26, 2027, February 26, 2028 and February 26, 2029.

Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

Includes 309 shares acquired through the reinvestment of dividends since December 15, 2025, the date of the last reportable transaction.

By Trustee, CSX Directors Deferred Compensation Plan (the "Plan"). The shares are payable after the reporting person ceases to be a director or otherwise pursuant to the applicable deferral election under the Plan.

Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

Includes 5,214 shares acquired through the reinvestment of dividends since February 14, 2025, the date of the last reportable transaction.

By Trustee, CSX Directors Deferred Compensation Plan (the "Plan"). The shares are payable after the reporting person ceases to be a director or otherwise pursuant to the applicable deferral election under the Plan.

Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

Options awarded pursuant to the 2019 CSX Stock and Incentive Award Plan.

The options vest on February 23, 2029.

The original exercise price of the option was $48.39. On June 28, 2021, the common stock of CSX Corporation split 3-for-1 resulting in an adjusted price of $16.13.

On June 28, 2021, the common stock of CSX Corporation split 3-for-1 resulting in an adjustment to the number of shares subject to the option from 4,448 to 13,344 shares.

Weighted average price, as these shares were sold in multiple transactions at prices ranging from $41.48 to $41.70, inclusive. The Reporting Person undertakes to provide to CSX Corporation, any security holder of CSX Corporation, or the staff of the Securities and Exchange Commission, upon request, additional information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The original exercise price of the option was $68.09. On June 28, 2021, the common stock of CSX Corporation split 3-for-1 resulting in an adjusted price of $22.70.

On June 28, 2021, the common stock of CSX Corporation split 3-for-1 resulting in an adjustment to the number of shares subject to the option from 45,767 to 137,301 shares.