DELAWDER DAN

SEC source: 0000805676-21-000064 · wf-form4a_161826152394103.xml · nonDerivative · entry 2

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,191.28

F2 · date: On March 30, 2021, the reporting person filed a Form 4 but did not have available the number of common shares withheld by Park National Corporation in order to satisfy the tax withholding obligations that arose upon the vesting of the PBRSUs. This amendment reports the correct number of common shares withheld.

F2 · kind: On March 30, 2021, the reporting person filed a Form 4 but did not have available the number of common shares withheld by Park National Corporation in order to satisfy the tax withholding obligations that arose upon the vesting of the PBRSUs. This amendment reports the correct number of common shares withheld.

F2 · shares: On March 30, 2021, the reporting person filed a Form 4 but did not have available the number of common shares withheld by Park National Corporation in order to satisfy the tax withholding obligations that arose upon the vesting of the PBRSUs. This amendment reports the correct number of common shares withheld.

F2 · price: On March 30, 2021, the reporting person filed a Form 4 but did not have available the number of common shares withheld by Park National Corporation in order to satisfy the tax withholding obligations that arose upon the vesting of the PBRSUs. This amendment reports the correct number of common shares withheld.

F2 · acquired: On March 30, 2021, the reporting person filed a Form 4 but did not have available the number of common shares withheld by Park National Corporation in order to satisfy the tax withholding obligations that arose upon the vesting of the PBRSUs. This amendment reports the correct number of common shares withheld.

F2 · balance_after: On March 30, 2021, the reporting person filed a Form 4 but did not have available the number of common shares withheld by Park National Corporation in order to satisfy the tax withholding obligations that arose upon the vesting of the PBRSUs. This amendment reports the correct number of common shares withheld.

SEC source: 0000805676-21-000064 · wf-form4a_161826152394103.xml · nonDerivative · entry 1

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,591.11

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.

F1 · date: These performance-based restricted stock units ("PBRSUs") converted into common shares of Park National Corporation on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 27, 2021.

F1 · shares: These performance-based restricted stock units ("PBRSUs") converted into common shares of Park National Corporation on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 27, 2021.

F1 · price: These performance-based restricted stock units ("PBRSUs") converted into common shares of Park National Corporation on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 27, 2021.

SEC source: 0000805676-20-000061 · wf-form4_158568919549491.xml · derivative · entry 9

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,311.11

Underlying: Common Shares · 1,372.22 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.

F5 · 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 29, 2020.

F5 · date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement on March 29, 2020.

F5 · 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 29, 2020.

F5 · 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 29, 2020.

SEC source: 0000805676-20-000061 · wf-form4_158568919549491.xml · nonDerivative · entry 4

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,142.23

SEC source: 0000805676-20-000061 · wf-form4_158568919549491.xml · nonDerivative · entry 3

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,562.13

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 common shares of Park were acquired upon the satisfaction of a service-based vesting requirement whereby PBRSUs were converted into Park common shares on a one-for-one basis.

F2 · shares: These common shares of Park were acquired upon the satisfaction of a service-based vesting requirement whereby PBRSUs were converted into Park common shares on a one-for-one basis.

F2 · price: These common shares of Park were acquired upon the satisfaction of a service-based vesting requirement whereby PBRSUs were converted into Park common shares on a one-for-one basis.

SEC source: 0000805676-20-000061 · wf-form4_158568919549491.xml · derivative · entry 8

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,683.33

Underlying: Common Shares · 1,311.11 shares

Expires not disclosed

F1 · derivative.exercise_price: Effective March 27, 2020 (the "2017 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, 2017. 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 1,311.11 common shares shown in the first row in Table I) on the 2017 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2017 PBRSU Certification Date (shown in the first row in Table II as a derivative security).

F4 · derivative.exercise_price: These PBRSUs were earned based on the performance level achieved as described in footnote (1) and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the 2017 PBRSU Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

F1 · date: Effective March 27, 2020 (the "2017 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, 2017. 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 1,311.11 common shares shown in the first row in Table I) on the 2017 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2017 PBRSU Certification Date (shown in the first row in Table II as a derivative security).

F4 · date: These PBRSUs were earned based on the performance level achieved as described in footnote (1) and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the 2017 PBRSU Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

F1 · derivative.exercise_date: Effective March 27, 2020 (the "2017 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, 2017. 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 1,311.11 common shares shown in the first row in Table I) on the 2017 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2017 PBRSU Certification Date (shown in the first row in Table II as a derivative security).

F4 · derivative.exercise_date: These PBRSUs were earned based on the performance level achieved as described in footnote (1) and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the 2017 PBRSU Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

F1 · derivative.expiration_date: Effective March 27, 2020 (the "2017 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, 2017. 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 1,311.11 common shares shown in the first row in Table I) on the 2017 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2017 PBRSU Certification Date (shown in the first row in Table II as a derivative security).

F4 · derivative.expiration_date: These PBRSUs were earned based on the performance level achieved as described in footnote (1) and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the 2017 PBRSU Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

SEC source: 0000805676-20-000061 · wf-form4_158568919549491.xml · nonDerivative · entry 2

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,189.91

SEC source: 0000805676-20-000061 · wf-form4_158568919549491.xml · nonDerivative · entry 1

DELAWDER DAN · CIK 0001201379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,591.11

F1 · date: Effective March 27, 2020 (the "2017 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, 2017. 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 1,311.11 common shares shown in the first row in Table I) on the 2017 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2017 PBRSU Certification Date (shown in the first row in Table II as a derivative security).

F1 · shares: Effective March 27, 2020 (the "2017 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, 2017. 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 1,311.11 common shares shown in the first row in Table I) on the 2017 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2017 PBRSU Certification Date (shown in the first row in Table II as a derivative security).

F1 · price: Effective March 27, 2020 (the "2017 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, 2017. 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 1,311.11 common shares shown in the first row in Table I) on the 2017 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2017 PBRSU Certification Date (shown in the first row in Table II as a derivative security).

SEC source: 0000805676-19-000051 · wf-form4_155424060444427.xml · derivative · entry 9

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,372.22

Underlying: Common Shares · 1,338.89 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.

F5 · 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, 2019.

F5 · 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, 2019.

F5 · 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, 2019.

SEC source: 0000805676-19-000051 · wf-form4_155424060444427.xml · nonDerivative · entry 4

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,161.51

SEC source: 0000805676-19-000051 · wf-form4_155424060444427.xml · nonDerivative · entry 3

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,571.21

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 common shares of Park were acquired upon the satisfaction of a service-based vesting requirement whereby PBRSUs were converted into Park common shares on a one-for-one basis.

F2 · shares: These common shares of Park were acquired upon the satisfaction of a service-based vesting requirement whereby PBRSUs were converted into Park common shares on a one-for-one basis.

F2 · price: These common shares of Park were acquired upon the satisfaction of a service-based vesting requirement whereby PBRSUs were converted into Park common shares on a one-for-one basis.

SEC source: 0000805676-19-000051 · wf-form4_155424060444427.xml · derivative · entry 8

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,711.11

Underlying: Common Shares · 1,372.22 shares

Expires not disclosed

F1 · derivative.exercise_price: Effective March 29, 2019 (the "2016 PBRSU Certification Date"), the Compensation 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, 2016. 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 1,372.22 common shares shown in the first row in Table I) on the 2016 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2016 PBRSU Certification Date (shown in the first row in Table II as a derivative security).

F4 · derivative.exercise_price: These PBRSUs were earned based on the performance level achieved as described in footnote (1) and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the 2016 PBRSU Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

F1 · derivative.exercise_date: Effective March 29, 2019 (the "2016 PBRSU Certification Date"), the Compensation 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, 2016. 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 1,372.22 common shares shown in the first row in Table I) on the 2016 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2016 PBRSU Certification Date (shown in the first row in Table II as a derivative security).

F4 · derivative.exercise_date: These PBRSUs were earned based on the performance level achieved as described in footnote (1) and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the 2016 PBRSU Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

F1 · derivative.expiration_date: Effective March 29, 2019 (the "2016 PBRSU Certification Date"), the Compensation 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, 2016. 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 1,372.22 common shares shown in the first row in Table I) on the 2016 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2016 PBRSU Certification Date (shown in the first row in Table II as a derivative security).

F4 · derivative.expiration_date: These PBRSUs were earned based on the performance level achieved as described in footnote (1) and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the 2016 PBRSU Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

SEC source: 0000805676-19-000051 · wf-form4_155424060444427.xml · nonDerivative · entry 2

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,232.32

SEC source: 0000805676-19-000051 · wf-form4_155424060444427.xml · nonDerivative · entry 1

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,652.22

F1 · date: Effective March 29, 2019 (the "2016 PBRSU Certification Date"), the Compensation 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, 2016. 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 1,372.22 common shares shown in the first row in Table I) on the 2016 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2016 PBRSU Certification Date (shown in the first row in Table II as a derivative security).

F1 · shares: Effective March 29, 2019 (the "2016 PBRSU Certification Date"), the Compensation 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, 2016. 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 1,372.22 common shares shown in the first row in Table I) on the 2016 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2016 PBRSU Certification Date (shown in the first row in Table II as a derivative security).

F1 · price: Effective March 29, 2019 (the "2016 PBRSU Certification Date"), the Compensation 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, 2016. 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 1,372.22 common shares shown in the first row in Table I) on the 2016 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2016 PBRSU Certification Date (shown in the first row in Table II as a derivative security).

SEC source: 0000805676-18-000063 · wf-form4_152269779824582.xml · derivative · entry 9

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,338.89

Underlying: Common Shares · 1,338.89 shares

Expires not disclosed

F2 · derivative.exercise_price: Effective March 31, 2018 (the "2015 PBRSU Certification Date"), the Compensation Committee of the Board of Directors of Park certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to PBRSUs granted to the reporting person effective January 2, 2015. 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 1,338.89 common shares shown in the second row in Table I) on the 2015 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2015 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F6 · derivative.exercise_price: These PBRSUs were earned based on the performance level achieved as described in footnote (2) and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the 2015 PBRSU Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

F2 · date: Effective March 31, 2018 (the "2015 PBRSU Certification Date"), the Compensation Committee of the Board of Directors of Park certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to PBRSUs granted to the reporting person effective January 2, 2015. 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 1,338.89 common shares shown in the second row in Table I) on the 2015 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2015 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F6 · date: These PBRSUs were earned based on the performance level achieved as described in footnote (2) and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the 2015 PBRSU Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

F2 · derivative.exercise_date: Effective March 31, 2018 (the "2015 PBRSU Certification Date"), the Compensation Committee of the Board of Directors of Park certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to PBRSUs granted to the reporting person effective January 2, 2015. 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 1,338.89 common shares shown in the second row in Table I) on the 2015 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2015 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F6 · derivative.exercise_date: These PBRSUs were earned based on the performance level achieved as described in footnote (2) and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the 2015 PBRSU Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

F2 · derivative.expiration_date: Effective March 31, 2018 (the "2015 PBRSU Certification Date"), the Compensation Committee of the Board of Directors of Park certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to PBRSUs granted to the reporting person effective January 2, 2015. 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 1,338.89 common shares shown in the second row in Table I) on the 2015 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2015 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F6 · derivative.expiration_date: These PBRSUs were earned based on the performance level achieved as described in footnote (2) and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the 2015 PBRSU Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

SEC source: 0000805676-18-000063 · wf-form4_152269779824582.xml · derivative · entry 8

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 1,372.22 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.

F5 · derivative.exercise_price: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement pursuant on March 31, 2018.

F5 · derivative.exercise_date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement pursuant on March 31, 2018.

F5 · derivative.expiration_date: These PBRSUs converted into Park common shares on a one-for-one basis upon satisfaction of a service-based vesting requirement pursuant on March 31, 2018.

SEC source: 0000805676-18-000063 · wf-form4_152269779824582.xml · nonDerivative · entry 5

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Indirect · C. Daniel DeLawder Managing Agency Account

Disclosed balance after: 2,806.395

F3 · date: Includes 1,881.57 common shares of Park, previously owned directly by the reporting person, which were transferred on March 31, 2018 to the C. Daniel DeLawder Managing Agency Account.

F3 · shares: Includes 1,881.57 common shares of Park, previously owned directly by the reporting person, which were transferred on March 31, 2018 to the C. Daniel DeLawder Managing Agency Account.

F3 · price: Includes 1,881.57 common shares of Park, previously owned directly by the reporting person, which were transferred on March 31, 2018 to the C. Daniel DeLawder Managing Agency Account.

SEC source: 0000805676-18-000063 · wf-form4_152269779824582.xml · nonDerivative · entry 4

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,280

F3 · date: Includes 1,881.57 common shares of Park, previously owned directly by the reporting person, which were transferred on March 31, 2018 to the C. Daniel DeLawder Managing Agency Account.

F3 · shares: Includes 1,881.57 common shares of Park, previously owned directly by the reporting person, which were transferred on March 31, 2018 to the C. Daniel DeLawder Managing Agency Account.

F3 · price: Includes 1,881.57 common shares of Park, previously owned directly by the reporting person, which were transferred on March 31, 2018 to the C. Daniel DeLawder Managing Agency Account.

SEC source: 0000805676-18-000063 · wf-form4_152269779824582.xml · nonDerivative · entry 3

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,161.57

SEC source: 0000805676-18-000063 · wf-form4_152269779824582.xml · nonDerivative · entry 2

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,991.11

F2 · date: Effective March 31, 2018 (the "2015 PBRSU Certification Date"), the Compensation Committee of the Board of Directors of Park certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to PBRSUs granted to the reporting person effective January 2, 2015. 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 1,338.89 common shares shown in the second row in Table I) on the 2015 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2015 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F2 · shares: Effective March 31, 2018 (the "2015 PBRSU Certification Date"), the Compensation Committee of the Board of Directors of Park certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to PBRSUs granted to the reporting person effective January 2, 2015. 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 1,338.89 common shares shown in the second row in Table I) on the 2015 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2015 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

F2 · price: Effective March 31, 2018 (the "2015 PBRSU Certification Date"), the Compensation Committee of the Board of Directors of Park certified the level of achievement with respect to the performance criteria for the three-fiscal-year performance period applicable to PBRSUs granted to the reporting person effective January 2, 2015. 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 1,338.89 common shares shown in the second row in Table I) on the 2015 PBRSU Certification Date and the other 50% to vest on the first anniversary of the 2015 PBRSU Certification Date (shown in the second row in Table II as a derivative security).

SEC source: 0000805676-18-000063 · wf-form4_152269779824582.xml · nonDerivative · entry 1

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,652.22

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.

F1 · date: These common shares of Park National Corporation ("Park") were acquired upon the satisfaction of a service-based vesting requirement whereby performance-based restricted stock units ("PBRSUs") were converted into Park common shares on a one-for-one basis.

F1 · shares: These common shares of Park National Corporation ("Park") were acquired upon the satisfaction of a service-based vesting requirement whereby performance-based restricted stock units ("PBRSUs") were converted into Park common shares on a one-for-one basis.

F1 · price: These common shares of Park National Corporation ("Park") were acquired upon the satisfaction of a service-based vesting requirement whereby performance-based restricted stock units ("PBRSUs") were converted into Park common shares on a one-for-one basis.

SEC source: 0000805676-17-000123 · wf-form4a_150956506307064.xml · nonDerivative · entry 4

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Indirect · C. Daniel DeLawder Managing Agency Account

Disclosed balance after: 924.825

F2 · date: Includes 924.825 common shares previously owned directly by the reporting person which were transferred on April 4, 2017 to the C. Daniel DeLawder Managing Agency Account.

F2 · shares: Includes 924.825 common shares previously owned directly by the reporting person which were transferred on April 4, 2017 to the C. Daniel DeLawder Managing Agency Account.

F2 · price: Includes 924.825 common shares previously owned directly by the reporting person which were transferred on April 4, 2017 to the C. Daniel DeLawder Managing Agency Account.

SEC source: 0000805676-17-000123 · wf-form4a_150956506307064.xml · nonDerivative · entry 3

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,280

F2 · date: Includes 924.825 common shares previously owned directly by the reporting person which were transferred on April 4, 2017 to the C. Daniel DeLawder Managing Agency Account.

F2 · shares: Includes 924.825 common shares previously owned directly by the reporting person which were transferred on April 4, 2017 to the C. Daniel DeLawder Managing Agency Account.

F2 · price: Includes 924.825 common shares previously owned directly by the reporting person which were transferred on April 4, 2017 to the C. Daniel DeLawder Managing Agency Account.

SEC source: 0000805676-17-000038 · wf-form4_149133938747745.xml · nonDerivative · entry 3

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Indirect · KSOP

Disclosed balance after: 22,040.429

F2 · date: Between January 1 and March 31, 2017, the reporting person acquired 409.688 common shares under the Park National Corporation Employees Stock Ownership Plan (the "KSOP"). The information in this report is based on a plan statement dated as of March 31, 2017.

F2 · shares: Between January 1 and March 31, 2017, the reporting person acquired 409.688 common shares under the Park National Corporation Employees Stock Ownership Plan (the "KSOP"). The information in this report is based on a plan statement dated as of March 31, 2017.

F2 · price: Between January 1 and March 31, 2017, the reporting person acquired 409.688 common shares under the Park National Corporation Employees Stock Ownership Plan (the "KSOP"). The information in this report is based on a plan statement dated as of March 31, 2017.

SEC source: 0000805676-17-000038 · wf-form4_149133938747745.xml · nonDerivative · entry 2

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,577

SEC source: 0000805676-17-000038 · wf-form4_149133938747745.xml · nonDerivative · entry 1

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,024

F1 · date: On March 31, 2017 (the "Certification Date"), the Compensation 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 on January 24, 2014. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved (which are reported on this line) are also subject to service-based vesting with 50% vesting (resulting in the right to receive 1,372 common shares) on the Certification Date and the other 50% to vest on the first anniversary of the Certification Date.

F1 · price: On March 31, 2017 (the "Certification Date"), the Compensation 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 on January 24, 2014. The PBRSUs convert into Park common shares on a one-for-one basis. The PBRSUs earned based on the performance level achieved (which are reported on this line) are also subject to service-based vesting with 50% vesting (resulting in the right to receive 1,372 common shares) on the Certification Date and the other 50% to vest on the first anniversary of the Certification Date.

SEC source: 0000805676-17-000123 · wf-form4a_150956506307064.xml · derivative · entry 7

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,372.22

Underlying: Common Shares · 1,372.22 shares

Expires not disclosed

F1 · derivative.exercise_price: On March 31, 2017 (the "Certification Date"), the Compensation 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 on January 24, 2014. 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 service-based vesting with 50% vesting (resulting in the right to receive the 1,372.22 common shares shown on the first line in Table I) on the Certification Date and the other 50% to vest on the first anniversary of the Certification Date (shown in Table II as a derivative security).

F4 · derivative.exercise_price: These PBRSUs were earned based on the performance level achieved as described in footnote 1 and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

F1 · date: On March 31, 2017 (the "Certification Date"), the Compensation 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 on January 24, 2014. 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 service-based vesting with 50% vesting (resulting in the right to receive the 1,372.22 common shares shown on the first line in Table I) on the Certification Date and the other 50% to vest on the first anniversary of the Certification Date (shown in Table II as a derivative security).

F4 · date: These PBRSUs were earned based on the performance level achieved as described in footnote 1 and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

F1 · shares: On March 31, 2017 (the "Certification Date"), the Compensation 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 on January 24, 2014. 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 service-based vesting with 50% vesting (resulting in the right to receive the 1,372.22 common shares shown on the first line in Table I) on the Certification Date and the other 50% to vest on the first anniversary of the Certification Date (shown in Table II as a derivative security).

F4 · shares: These PBRSUs were earned based on the performance level achieved as described in footnote 1 and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

F1 · derivative.exercise_date: On March 31, 2017 (the "Certification Date"), the Compensation 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 on January 24, 2014. 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 service-based vesting with 50% vesting (resulting in the right to receive the 1,372.22 common shares shown on the first line in Table I) on the Certification Date and the other 50% to vest on the first anniversary of the Certification Date (shown in Table II as a derivative security).

F4 · derivative.exercise_date: These PBRSUs were earned based on the performance level achieved as described in footnote 1 and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

F1 · derivative.expiration_date: On March 31, 2017 (the "Certification Date"), the Compensation 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 on January 24, 2014. 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 service-based vesting with 50% vesting (resulting in the right to receive the 1,372.22 common shares shown on the first line in Table I) on the Certification Date and the other 50% to vest on the first anniversary of the Certification Date (shown in Table II as a derivative security).

F4 · derivative.expiration_date: These PBRSUs were earned based on the performance level achieved as described in footnote 1 and are also subject to service-based vesting pursuant to which they are to vest on the first anniversary of the Certification Date. Each PBRSU represents the right to receive one Park common share upon satisfaction of the service-based vesting requirement.

SEC source: 0000805676-17-000123 · wf-form4a_150956506307064.xml · nonDerivative · entry 5

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Indirect · KSOP

Disclosed balance after: 22,040.429

F3 · date: Between January 1 and March 31, 2017, the reporting person acquired 409.688 common shares under the Park National Corporation Employees Stock Ownership Plan (the "KSOP"). The information in this report is based on a plan statement dated as of March 31, 2017.

F3 · shares: Between January 1 and March 31, 2017, the reporting person acquired 409.688 common shares under the Park National Corporation Employees Stock Ownership Plan (the "KSOP"). The information in this report is based on a plan statement dated as of March 31, 2017.

F3 · price: Between January 1 and March 31, 2017, the reporting person acquired 409.688 common shares under the Park National Corporation Employees Stock Ownership Plan (the "KSOP"). The information in this report is based on a plan statement dated as of March 31, 2017.

SEC source: 0000805676-17-000123 · wf-form4a_150956506307064.xml · nonDerivative · entry 2

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,204.825

SEC source: 0000805676-17-000123 · wf-form4a_150956506307064.xml · nonDerivative · entry 1

DELAWDER DAN · CIK 0001201379 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,652.22

F1 · date: On March 31, 2017 (the "Certification Date"), the Compensation 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 on January 24, 2014. 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 service-based vesting with 50% vesting (resulting in the right to receive the 1,372.22 common shares shown on the first line in Table I) on the Certification Date and the other 50% to vest on the first anniversary of the Certification Date (shown in Table II as a derivative security).

F1 · shares: On March 31, 2017 (the "Certification Date"), the Compensation 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 on January 24, 2014. 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 service-based vesting with 50% vesting (resulting in the right to receive the 1,372.22 common shares shown on the first line in Table I) on the Certification Date and the other 50% to vest on the first anniversary of the Certification Date (shown in Table II as a derivative security).

F1 · price: On March 31, 2017 (the "Certification Date"), the Compensation 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 on January 24, 2014. 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 service-based vesting with 50% vesting (resulting in the right to receive the 1,372.22 common shares shown on the first line in Table I) on the Certification Date and the other 50% to vest on the first anniversary of the Certification Date (shown in Table II as a derivative security).