October 27, 2025 Exhibit 99.1 Park National Corporation reports financial results for third quarter and first nine months of 2025 NEWARK, Ohio ‒ Park National Corporation (Park) (NYSE American: PRK) today reported financial results for the third quarter and first nine months of 2025. Park's board of directors declared a quarterly cash dividend of $1.07 per common share and a special one-time dividend of$1.25 per common share, both payable on December 10, 2025, to common shareholders of record as of Novembe ...