ACNB · Acnb Corp

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability by withholding of securities, on the first one-third (1/3) vested as of the Grant Date of March 13, 2026, in accordance with SEC Rule 16b-1. For clarification, the executive did not sell the shares.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

One-third (1/3) of this Variable Equity Award, granted in the form of restricted stock under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, is 100% vested as of the Grant Date of March 13, 2026, with the next one-third (1/3) 100% vested as of January 1, 2027, and the final one-third (1/3) 100% vested as of January 1, 2028

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability by withholding of securities, on the first one-third (1/3) vested as of the Grant Date of March 13, 2026, in accordance with SEC Rule 16b-1. For clarification, the executive did not sell the shares.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability by withholding of securities, on the first one-third (1/3) vested as of the Grant Date of March 13, 2026, in accordance with SEC Rule 16b-1. For clarification, the executive did not sell the shares.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

One-third (1/3) of this Variable Equity Award, granted in the form of restricted stock under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, is 100% vested as of the Grant Date of March 13, 2026, with the next one-third (1/3) 100% vested as of January 1, 2027, and the final one-third (1/3) 100% vested as of January 1, 2028

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

One-third (1/3) of this Variable Equity Award, granted in the form of restricted stock under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, is 100% vested as of the Grant Date of March 13, 2026, with the next one-third (1/3) 100% vested as of January 1, 2027, and the final one-third (1/3) 100% vested as of January 1, 2028

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability by withholding of securities, on the first one-third (1/3) vested as of the Grant Date of March 13, 2026, in accordance with SEC Rule 16b-1. For clarification, the executive did not sell the shares.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

One-third (1/3) of this Variable Equity Award, granted in the form of restricted stock under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, is 100% vested as of the Grant Date of March 13, 2026, with the next one-third (1/3) 100% vested as of January 1, 2027, and the final one-third (1/3) 100% vested as of January 1, 2028

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability by withholding of securities, on the first one-third (1/3) vested as of the Grant Date of March 13, 2026, in accordance with SEC Rule 16b-1. For clarification, the executive did not sell the shares.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

One-third (1/3) of this Variable Equity Award, granted in the form of restricted stock under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, is 100% vested as of the Grant Date of March 13, 2026, with the next one-third (1/3) 100% vested as of January 1, 2027, and the final one-third (1/3) 100% vested as of January 1, 2028.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

One-third (1/3) of this Variable Equity Award, granted in the form of restricted stock under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, is 100% vested as of the Grant Date of March 13, 2026, with the next one-third (1/3) 100% vested as of January 1, 2027, and the final one-third (1/3) 100% vested as of January 1, 2028.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability by withholding of securities, on the first one-third (1/3) vested as of the Grant Date of March 13, 2026, in accordance with SEC Rule 16b-1. For clarification, the executive did not sell the shares.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

One-third (1/3) of this Variable Equity Award, granted in the form of restricted stock under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, is 100% vested as of the Grant Date of March 13, 2026, with the next one-third (1/3) 100% vested as of January 1, 2027, and the final one-third (1/3) 100% vested as of January 1, 2028.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

One-third (1/3) of this Variable Equity Award, granted in the form of restricted stock under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, is 100% vested as of the Grant Date of March 13, 2026, with the next one-third (1/3) 100% vested as of January 1, 2027, and the final one-third (1/3) 100% vested as of January 1, 2028.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability by withholding of securities, on the first one-third (1/3) vested as of the Grant Date of March 13, 2026, in accordance with SEC Rule 16b-1. For clarification, the executive did not sell the shares.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability by withholding of securities, on the first one-third (1/3) vested as of the Grant Date of March 13, 2026, in accordance with SEC Rule 16b-1. For clarification, the executive did not sell the shares.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability on restricted shares previously awarded on March 15, 2024 and March 14, 2025, under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, that vested on January 1, 2026, in accordance with SEC Rule 16b-3. For clarification, the executive did not sell the shares.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability on restricted shares previously awarded on March 14, 2025, under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, that vested on January 1, 2026, in accordance with SEC Rule 16b-3. For clarification, the executive did not sell the shares.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability on restricted shares previously awarded on March 15, 2024 and March 14, 2025, under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, that vested on January 1, 2026, in accordance with SEC Rule 16b-3. For clarification, the executive did not sell the shares.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability on restricted shares previously awarded on March 15, 2024 and March 14, 2025, under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, that vested on January 1, 2026, in accordance with SEC Rule 16b-3. For clarification, the executive did not sell the shares.

The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability on restricted shares previously awarded on March 15, 2024 and March 14, 2025, under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, that vested on January 1, 2026, in accordance with SEC Rule 16b-3. For clarification, the executive did not sell the shares.

The amount of securities beneficially owned includes aggregate shares of common stock acquired in 2023 through the automatic reinvestment of dividends, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.