PRK

SEC source: 0000805676-23-000087 · wf-form4a_168323491830560.xml · nonDerivative · entry 4

Miller Matthew R · CIK 0001565840 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,416.542

F2 · shares: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

F2 · balance_after: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

SEC source: 0000805676-23-000087 · wf-form4a_168323491830560.xml · nonDerivative · entry 3

Miller Matthew R · CIK 0001565840 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,930.116

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · shares: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

SEC source: 0000805676-23-000087 · wf-form4a_168323491830560.xml · nonDerivative · entry 2

Miller Matthew R · CIK 0001565840 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 817.616

F2 · shares: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

F2 · balance_after: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

SEC source: 0000805676-23-000087 · wf-form4a_168323491830560.xml · nonDerivative · entry 1

Miller Matthew R · CIK 0001565840 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,518.75

F1 · date: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,518.75 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · shares: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,518.75 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · price: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,518.75 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

SEC source: 0000805676-23-000086 · wf-form4a_168323489672864.xml · derivative · entry 10

Herreman Kelly A · CIK 0001702544 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 337.5

Underlying: Common Shares · 337.5 shares

Expires not disclosed

F1 · derivative.exercise_price: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 337.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · shares: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 337.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · price: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 337.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · derivative.exercise_date: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 337.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · derivative.expiration_date: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 337.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

SEC source: 0000805676-23-000086 · wf-form4a_168323489672864.xml · derivative · entry 9

Herreman Kelly A · CIK 0001702544 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 333.75 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · shares: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · derivative.exercise_date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · derivative.expiration_date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

SEC source: 0000805676-23-000086 · wf-form4a_168323489672864.xml · nonDerivative · entry 4

Herreman Kelly A · CIK 0001702544 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 375.573

F2 · shares: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

F2 · balance_after: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

SEC source: 0000805676-23-000086 · wf-form4a_168323489672864.xml · nonDerivative · entry 3

Herreman Kelly A · CIK 0001702544 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 522.584

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · shares: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

SEC source: 0000805676-23-000086 · wf-form4a_168323489672864.xml · nonDerivative · entry 2

Herreman Kelly A · CIK 0001702544 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 188.834

F2 · shares: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

F2 · balance_after: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

SEC source: 0000805676-23-000086 · wf-form4a_168323489672864.xml · nonDerivative · entry 1

Herreman Kelly A · CIK 0001702544 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 337.5

F1 · date: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 337.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · shares: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 337.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · price: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 337.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

SEC source: 0000805676-23-000084 · wf-form4a_168323486525348.xml · derivative · entry 10

Burt Brady T · CIK 0001330808 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,350

Underlying: Common Shares · 1,350 shares

Expires not disclosed

F1 · derivative.exercise_price: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,350 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · shares: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,350 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · price: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,350 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · derivative.exercise_date: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,350 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · derivative.expiration_date: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,350 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

SEC source: 0000805676-23-000084 · wf-form4a_168323486525348.xml · derivative · entry 9

Burt Brady T · CIK 0001330808 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 1,483.333 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · shares: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · derivative.exercise_date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · derivative.expiration_date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

SEC source: 0000805676-23-000084 · wf-form4a_168323486525348.xml · nonDerivative · entry 4

Burt Brady T · CIK 0001330808 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,499.473

F2 · shares: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

F2 · balance_after: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

SEC source: 0000805676-23-000084 · wf-form4a_168323486525348.xml · nonDerivative · entry 3

Burt Brady T · CIK 0001330808 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,197.782

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · shares: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

SEC source: 0000805676-23-000084 · wf-form4a_168323486525348.xml · nonDerivative · entry 2

Burt Brady T · CIK 0001330808 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 714.449

F2 · shares: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

F2 · balance_after: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

SEC source: 0000805676-23-000084 · wf-form4a_168323486525348.xml · nonDerivative · entry 1

Burt Brady T · CIK 0001330808 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,350

F1 · date: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,350 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · shares: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,350 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · price: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,350 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

SEC source: 0000805676-23-000085 · wf-form4a_168323488028576.xml · derivative · entry 11

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,012.5

Underlying: Common Shares · 1,012.5 shares

Expires not disclosed

F1 · derivative.exercise_price: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,012.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · shares: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,012.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · price: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,012.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · derivative.exercise_date: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,012.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · derivative.expiration_date: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,012.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

SEC source: 0000805676-23-000085 · wf-form4a_168323488028576.xml · derivative · entry 10

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 1,668.75 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · shares: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · derivative.exercise_date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · derivative.expiration_date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

SEC source: 0000805676-23-000085 · wf-form4a_168323488028576.xml · nonDerivative · entry 4

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,561.182

F2 · shares: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

F2 · balance_after: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

SEC source: 0000805676-23-000085 · wf-form4a_168323488028576.xml · nonDerivative · entry 3

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,114.51

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · shares: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

F3 · price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2023.

SEC source: 0000805676-23-000085 · wf-form4a_168323488028576.xml · nonDerivative · entry 2

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,445.76

F2 · shares: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

F2 · balance_after: In the April 4, 2023 Form 4, an estimated number of Park common shares was reported as being withheld by Park in order to satisfy the tax withholding obligations of the reporting person that arose upon the vesting of the PBRSUs which were not subject to the service-based vesting requirement described in footnote (1) and the vesting of the PBRSUs that had been subject to the service-based vesting requirement described in footnote (3), as applicable. This amendment reports the correct number of common shares withheld.

SEC source: 0000805676-23-000085 · wf-form4a_168323488028576.xml · nonDerivative · entry 1

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,781.5

F1 · date: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,012.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · shares: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,012.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · price: Effective March 31, 2023 (the "2020 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2020. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 1,012.50 common shares shown in the first row in Table I) on the 2020 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2020 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

SEC source: 0000805676-22-000108 · wf-form4_166672894856051.xml · nonDerivative · entry 1

ZAZWORSKY LEON · CIK 0001267119 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 747

F1 · shares: Common shares were awarded pursuant to and in accordance with the terms of the Park National Corporation 2017 Long-Term Incentive Plan for Non-Employee Directors (the "2017 Non-Employee Directors LTIP").

SEC source: 0000805676-22-000107 · wf-form4_166672892651696.xml · nonDerivative · entry 1

RAMSER MARK R · CIK 0001763377 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,496.1327

F1 · shares: Common shares of Park National Corporation ("Park") were awarded pursuant to and in accordance with the terms of the Park National Corporation 2017 Long-Term Incentive Plan for Non-Employee Directors (the "2017 Non-Employee Directors LTIP").

F2 · balance_after: Includes an aggregate of 4.4541 common shares of Park held in the reporting person's account under the Park National Corporation Dividend Reinvestment Plan (the "DRIP") which were acquired since the most recent reportable transaction date of December 31, 2021 through the date of this filing.

SEC source: 0000805676-22-000106 · wf-form4_166672890667859.xml · nonDerivative · entry 1

ONEILL ROBERT E · CIK 0001575176 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,427

F1 · shares: Common shares of Park National Corporation ("Park") were awarded pursuant to and in accordance with the terms of the Park National Corporation 2017 Long-Term Incentive Plan for Non-Employee Directors (the "2017 Non-Employee Directors LTIP").

SEC source: 0000805676-22-000105 · wf-form4_166672888215474.xml · nonDerivative · entry 1

MILLER DANIEL BYRD III · CIK 0001905347 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297

F1 · shares: Common shares were awarded pursuant to and in accordance with the terms of the Park National Corporation 2017 Long-Term Incentive Plan for Non-Employee Directors (the "2017 Non-Employee Directors LTIP").

SEC source: 0000805676-22-000104 · wf-form4_166672885871756.xml · nonDerivative · entry 1

McLain Timothy S. · CIK 0001479568 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297

F1 · shares: Common shares were awarded pursuant to and in accordance with the terms of the Park National Corporation 2017 Long-Term Incentive Plan for Non-Employee Directors (the "2017 Non-Employee Directors LTIP").

SEC source: 0000805676-22-000103 · wf-form4_166672883268555.xml · nonDerivative · entry 1

Kambeitz Stephen J. · CIK 0001479567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297

F1 · shares: Common shares were awarded pursuant to and in accordance with the terms of the Park National Corporation 2017 Long-Term Incentive Plan for Non-Employee Directors (the "2017 Non-Employee Directors LTIP").

SEC source: 0000805676-22-000102 · wf-form4_166672880856477.xml · nonDerivative · entry 1

JUDD JASON N · CIK 0001763378 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297

F1 · shares: Common shares were awarded pursuant to and in accordance with the terms of the Park National Corporation 2017 Long-Term Incentive Plan for Non-Employee Directors (the "2017 Non-Employee Directors LTIP").

SEC source: 0000805676-22-000101 · wf-form4_166672878412535.xml · nonDerivative · entry 1

HUPP ALICIA J · CIK 0001643032 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,423

F1 · shares: Common shares were awarded pursuant to and in accordance with the terms of the Park National Corporation 2017 Long-Term Incentive Plan for Non-Employee Directors (the "2017 Non-Employee Directors LTIP").

SEC source: 0000805676-22-000100 · wf-form4_166672875630233.xml · nonDerivative · entry 1

ENGLEFIELD F W IV · CIK 0001311245 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297

F1 · shares: Common shares were awarded pursuant to and in accordance with the terms of the Park National Corporation 2017 Long-Term Incentive Plan for Non-Employee Directors (the "2017 Non-Employee Directors LTIP").

SEC source: 0000805676-22-000099 · wf-form4_166672872945214.xml · nonDerivative · entry 1

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,804

F1 · shares: Common shares of Park National Corporation ("Park") were awarded pursuant to and in accordance with the terms of the Park National Corporation 2017 Long-Term Incentive Plan for Non-Employee Directors (the "2017 Non-Employee Directors LTIP").

SEC source: 0000805676-22-000098 · wf-form4_166672870473773.xml · nonDerivative · entry 1

BERTLEY FREDERIC M · CIK 0001880645 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 747

F1 · shares: Common shares were awarded pursuant to and in accordance with the terms of the Park National Corporation 2017 Long-Term Incentive Plan for Non-Employee Directors (the "2017 Non-Employee Directors LTIP").

SEC source: 0000805676-22-000097 · wf-form4_166672868526320.xml · nonDerivative · entry 1

ALVARADO DONNA M · CIK 0001012804 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,550

F1 · shares: Common shares were awarded pursuant to and in accordance with the terms of the Park National Corporation 2017 Long-Term Incentive Plan for Non-Employee Directors (the "2017 Non-Employee Directors LTIP").

SEC source: 0000805676-23-000025 · wf-form5_167588741012532.xml · nonDerivative · entry 7

RAMSER MARK R · CIK 0001763377 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · As Trustee of R.E. Ramser Trust FBO Elizabeth Ramser Jaime

Disclosed balance after: 1,155

F4 · shares: Reflects the distribution in accordance with the terms of the R.E. Ramser Trust FBO Elizabeth Ramser Jaime (the "Trust") of 578 common shares of Park, reflecting the functional equivalent of a gift to the ultimate beneficiary upon completion of such distribution. These 578 common shares of Park had previously been beneficially owned indirectly by the reporting person as trustee of the Trust. As a result of the distribution described above, the reporting person no longer has any pecuniary interest in these 578 common shares.

F4 · balance_after: Reflects the distribution in accordance with the terms of the R.E. Ramser Trust FBO Elizabeth Ramser Jaime (the "Trust") of 578 common shares of Park, reflecting the functional equivalent of a gift to the ultimate beneficiary upon completion of such distribution. These 578 common shares of Park had previously been beneficially owned indirectly by the reporting person as trustee of the Trust. As a result of the distribution described above, the reporting person no longer has any pecuniary interest in these 578 common shares.

SEC source: 0000805676-22-000067 · wf-form4a_165332190550572.xml · nonDerivative · entry 7

TRAUTMAN DAVID L · CIK 0001201394 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · David L. Trautman Managing Agency Account

Disclosed balance after: 11,253.75

F4 · kind: Reflects the transfer in April 2022 of 1,890.294 Park common shares, previously beneficially owned directly by the reporting person, to the David L. Trautman Managing Agency Account, where they are now beneficially owned indirectly.

F4 · shares: Reflects the transfer in April 2022 of 1,890.294 Park common shares, previously beneficially owned directly by the reporting person, to the David L. Trautman Managing Agency Account, where they are now beneficially owned indirectly.

F4 · balance_after: Reflects the transfer in April 2022 of 1,890.294 Park common shares, previously beneficially owned directly by the reporting person, to the David L. Trautman Managing Agency Account, where they are now beneficially owned indirectly.

SEC source: 0000805676-22-000067 · wf-form4a_165332190550572.xml · nonDerivative · entry 5

TRAUTMAN DAVID L · CIK 0001201394 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,865

F4 · kind: Reflects the transfer in April 2022 of 1,890.294 Park common shares, previously beneficially owned directly by the reporting person, to the David L. Trautman Managing Agency Account, where they are now beneficially owned indirectly.

F4 · shares: Reflects the transfer in April 2022 of 1,890.294 Park common shares, previously beneficially owned directly by the reporting person, to the David L. Trautman Managing Agency Account, where they are now beneficially owned indirectly.

F4 · balance_after: Reflects the transfer in April 2022 of 1,890.294 Park common shares, previously beneficially owned directly by the reporting person, to the David L. Trautman Managing Agency Account, where they are now beneficially owned indirectly.

SEC source: 0000805676-22-000066 · wf-form4a_165332188035487.xml · nonDerivative · entry 7

Miller Matthew R · CIK 0001565840 · Director · President

10b5-1 filing: Not disclosed

Ownership: Indirect · Matthew R. Miller Managing Agency Account

Disclosed balance after: 5,073.9

F4 · kind: Reflects the transfer in April 2022 of 1,057.834 Park common shares, previously beneficially owned directly by the reporting person, to the Matthew R. Miller Managing Agency Account, where they are now beneficially owned indirectly.

F4 · shares: Reflects the transfer in April 2022 of 1,057.834 Park common shares, previously beneficially owned directly by the reporting person, to the Matthew R. Miller Managing Agency Account, where they are now beneficially owned indirectly.

F4 · balance_after: Reflects the transfer in April 2022 of 1,057.834 Park common shares, previously beneficially owned directly by the reporting person, to the Matthew R. Miller Managing Agency Account, where they are now beneficially owned indirectly.

SEC source: 0000805676-22-000066 · wf-form4a_165332188035487.xml · nonDerivative · entry 5

Miller Matthew R · CIK 0001565840 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F4 · kind: Reflects the transfer in April 2022 of 1,057.834 Park common shares, previously beneficially owned directly by the reporting person, to the Matthew R. Miller Managing Agency Account, where they are now beneficially owned indirectly.

F4 · shares: Reflects the transfer in April 2022 of 1,057.834 Park common shares, previously beneficially owned directly by the reporting person, to the Matthew R. Miller Managing Agency Account, where they are now beneficially owned indirectly.

F4 · balance_after: Reflects the transfer in April 2022 of 1,057.834 Park common shares, previously beneficially owned directly by the reporting person, to the Matthew R. Miller Managing Agency Account, where they are now beneficially owned indirectly.

SEC source: 0000805676-22-000065 · wf-form4a_165332186319381.xml · nonDerivative · entry 7

Herreman Kelly A · CIK 0001702544 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Kelly Herreman Managing Agency Account

Disclosed balance after: 884.126

F4 · kind: Reflects the transfer in April 2022 of 327.355 Park common shares, previously beneficially owned directly by the reporting person, to the Kelly Herreman Managing Agency Account, where they are now beneficially owned indirectly.

F4 · shares: Reflects the transfer in April 2022 of 327.355 Park common shares, previously beneficially owned directly by the reporting person, to the Kelly Herreman Managing Agency Account, where they are now beneficially owned indirectly.

F4 · balance_after: Reflects the transfer in April 2022 of 327.355 Park common shares, previously beneficially owned directly by the reporting person, to the Kelly Herreman Managing Agency Account, where they are now beneficially owned indirectly.

SEC source: 0000805676-22-000065 · wf-form4a_165332186319381.xml · nonDerivative · entry 5

Herreman Kelly A · CIK 0001702544 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F4 · kind: Reflects the transfer in April 2022 of 327.355 Park common shares, previously beneficially owned directly by the reporting person, to the Kelly Herreman Managing Agency Account, where they are now beneficially owned indirectly.

F4 · shares: Reflects the transfer in April 2022 of 327.355 Park common shares, previously beneficially owned directly by the reporting person, to the Kelly Herreman Managing Agency Account, where they are now beneficially owned indirectly.

F4 · balance_after: Reflects the transfer in April 2022 of 327.355 Park common shares, previously beneficially owned directly by the reporting person, to the Kelly Herreman Managing Agency Account, where they are now beneficially owned indirectly.

SEC source: 0000805676-22-000064 · wf-form4a_165332184636052.xml · nonDerivative · entry 7

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · C. Daniel DeLawder Managing Agency Account

Disclosed balance after: 10,074.245

F4 · kind: Reflects the transfer in April 2022 of 1,874.283 Park common shares, previously beneficially owned directly by the reporting person, to the C. Daniel DeLawder Managing Agency Account, where they are now beneficially owned indirectly.

F4 · shares: Reflects the transfer in April 2022 of 1,874.283 Park common shares, previously beneficially owned directly by the reporting person, to the C. Daniel DeLawder Managing Agency Account, where they are now beneficially owned indirectly.

F4 · balance_after: Reflects the transfer in April 2022 of 1,874.283 Park common shares, previously beneficially owned directly by the reporting person, to the C. Daniel DeLawder Managing Agency Account, where they are now beneficially owned indirectly.

SEC source: 0000805676-22-000064 · wf-form4a_165332184636052.xml · nonDerivative · entry 5

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,507

F4 · kind: Reflects the transfer in April 2022 of 1,874.283 Park common shares, previously beneficially owned directly by the reporting person, to the C. Daniel DeLawder Managing Agency Account, where they are now beneficially owned indirectly.

F4 · shares: Reflects the transfer in April 2022 of 1,874.283 Park common shares, previously beneficially owned directly by the reporting person, to the C. Daniel DeLawder Managing Agency Account, where they are now beneficially owned indirectly.

F4 · balance_after: Reflects the transfer in April 2022 of 1,874.283 Park common shares, previously beneficially owned directly by the reporting person, to the C. Daniel DeLawder Managing Agency Account, where they are now beneficially owned indirectly.

SEC source: 0000805676-22-000063 · wf-form4a_165332182977426.xml · nonDerivative · entry 7

Burt Brady T · CIK 0001330808 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Brady T. Burt Managing Agency Account

Disclosed balance after: 6,890.483

F4 · kind: Reflects the transfer in April 2022 of 1,661.339 Park common shares, previously beneficially owned directly by the reporting person, to the Brady T. Burt Managing Agency Account, where they are now beneficially owned indirectly.

F4 · shares: Reflects the transfer in April 2022 of 1,661.339 Park common shares, previously beneficially owned directly by the reporting person, to the Brady T. Burt Managing Agency Account, where they are now beneficially owned indirectly.

F4 · balance_after: Reflects the transfer in April 2022 of 1,661.339 Park common shares, previously beneficially owned directly by the reporting person, to the Brady T. Burt Managing Agency Account, where they are now beneficially owned indirectly.

SEC source: 0000805676-22-000063 · wf-form4a_165332182977426.xml · nonDerivative · entry 5

Burt Brady T · CIK 0001330808 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F4 · kind: Reflects the transfer in April 2022 of 1,661.339 Park common shares, previously beneficially owned directly by the reporting person, to the Brady T. Burt Managing Agency Account, where they are now beneficially owned indirectly.

F4 · shares: Reflects the transfer in April 2022 of 1,661.339 Park common shares, previously beneficially owned directly by the reporting person, to the Brady T. Burt Managing Agency Account, where they are now beneficially owned indirectly.

F4 · balance_after: Reflects the transfer in April 2022 of 1,661.339 Park common shares, previously beneficially owned directly by the reporting person, to the Brady T. Burt Managing Agency Account, where they are now beneficially owned indirectly.

SEC source: 0000805676-22-000044 · wf-form4_164910765742920.xml · derivative · entry 8

Herreman Kelly A · CIK 0001702544 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 333.75

Underlying: Common Shares · 333.75 shares

Expires not disclosed

F1 · derivative.exercise_price: Effective March 31, 2022 (the "2019 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2019. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 333.75 common shares shown in the first row in Table I) on the 2019 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2019 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · kind: Effective March 31, 2022 (the "2019 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2019. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 333.75 common shares shown in the first row in Table I) on the 2019 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2019 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · shares: Effective March 31, 2022 (the "2019 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2019. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 333.75 common shares shown in the first row in Table I) on the 2019 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2019 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · price: Effective March 31, 2022 (the "2019 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2019. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 333.75 common shares shown in the first row in Table I) on the 2019 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2019 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · derivative.exercise_date: Effective March 31, 2022 (the "2019 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2019. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 333.75 common shares shown in the first row in Table I) on the 2019 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2019 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F1 · derivative.expiration_date: Effective March 31, 2022 (the "2019 PBRSU Certification Date"), the Executive Committee of the Board of Directors of Park National Corporation ("Park") certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to performance-based restricted stock units ("PBRSUs") granted to the reporting person effective January 1, 2019. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved are also subject to a service-based vesting requirement with 50% vesting (resulting in the right to receive the 333.75 common shares shown in the first row in Table I) on the 2019 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2019 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

SEC source: 0000805676-22-000044 · wf-form4_164910765742920.xml · derivative · entry 7

Herreman Kelly A · CIK 0001702544 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 247.92 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2022.

F2 · kind: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2022.

F2 · shares: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2022.

F2 · price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2022.

F2 · derivative.exercise_date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2022.

F2 · derivative.expiration_date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2022.

SEC source: 0000805676-22-000044 · wf-form4_164910765742920.xml · nonDerivative · entry 4

Herreman Kelly A · CIK 0001702544 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 324.628

SEC source: 0000805676-22-000044 · wf-form4_164910765742920.xml · nonDerivative · entry 3

Herreman Kelly A · CIK 0001702544 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 434.186

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2022.

F2 · shares: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2022.

F2 · price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 31, 2022.

SEC source: 0000805676-22-000044 · wf-form4_164910765742920.xml · nonDerivative · entry 2

Herreman Kelly A · CIK 0001702544 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 186.266