PARK NATIONAL CORP /OH/

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)

For the quarterly period ended September 30, 2026

OR

For the transition period from ______________________ to __________________________

PARK NATIONAL CORPORATION

(Exact name of registrant as specified in its charter)

N/A

(Former name, former address and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer”, “accelerated filer”,

“smaller reporting company”, and "emerging growth company" in Rule 12b-2 of the Exchange Act.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes☐ No ☒

At November 4, 2026 the number of common shares, without par value, of the registrant issued and outstanding was 18,070,328.

PARK NATIONAL CORPORATION

CONTENTS

Glossary of Abbreviations and Acronyms

References in this Form 10-Q to "we," "our," "us," "Company," "Corporation," or "Park" are collectively to Park National Corporation and its subsidiaries. In addition, Park has identified the following list of abbreviations and acronyms that are used in the Unaudited Consolidated Condensed Financial Statements, Notes to Unaudited Consolidated Condensed Financial Statements, and Management's Discussion and Analysis of Financial Condition and Results of Operations.

Cautionary Note Regarding Forward-Looking Statements

This Quarterly Report on Form 10-Q contains forward-looking statements that are provided to assist in the understanding of anticipated future financial performance. Forward-looking statements provide current expectations or forecasts of future events and are not guarantees of future performance. The forward-looking statements are based on management’s expectations and are subject to a number of risks and uncertainties. Although management believes that the expectations reflected in such forward-looking statements are reasonable, actual results may differ materially from those expressed or implied in such statements.

Risks and uncertainties that could cause actual results to differ include, without limitation: (1) the ability to execute our business plan successfully and manage strategic initiatives; (2) the impact of current and future economic and financial market conditions, including unemployment rates, inflation, interest rates, supply-demand imbalances, and geopolitical matters; (3) factors impacting the performance of our loan portfolio, including real estate values, financial health of borrowers, and loan concentrations; (4) the effects of monetary and fiscal policies, including interest rates, money supply, and inflation; (5) changes in federal, state, or local tax laws; (6) the impact of changes in governmental policy and regulatory requirements on our operations; (7) changes in consumer spending, borrowing, and saving habits; (8) changes in the performance and creditworthiness of customers, suppliers, and counterparties; (9) increased credit risk and higher credit losses due to loan concentrations; (10) volatility in mortgage banking income due to interest rates and demand; (11) adequacy of our internal controls and risk management programs; (12) competitive pressures among financial services organizations; (13) uncertainty regarding changes in banking regulations and other regulatory requirements; (14) our ability to meet heightened supervisory requirements and expectations; (15) the impact of changes in accounting policies and practices on our financial condition; (16) the reliability and accuracy of assumptions and estimates used in applying critical accounting estimates; (17) the potential for higher future credit losses due to changes in economic assumptions; (18) the ability to anticipate and respond to technological changes and our reliance on third-party vendors; (19) operational issues related to and capital spending necessitated by the implementation of information technology systems on which we are highly dependent; (20) the ability to secure confidential information and deliver products and services through computer systems and telecommunications networks; (21) the impact of security breaches or failures in operational systems; (22) the impact of geopolitical instability and trade policies on our operations including the imposition of tariffs and retaliatory tariffs; (23) the impact of changes in credit ratings of government debt and financial stability of sovereign governments; (24) the effect of stock market price fluctuations on our asset and wealth management businesses; (25) litigation and regulatory compliance exposure; (26) availability of earnings and excess capital for dividend declarations; (27) the impact of fraud, scams, and schemes on our business; (28) the impact of natural disasters, pandemics, and other emergencies on our operations; (29) potential deterioration of the economy due to financial, political, or other shocks; (30) impact of healthcare laws and potential changes on our costs and operations; (31) the ability to grow deposits and maintain adequate deposit levels, including by mitigating the effect of unexpected deposit outflows on our financial condition; (32) risks related to the completed acquisition of First Citizens, including the possibility that anticipated benefits are not realized as expected, including the realization of anticipated cost savings and revenue generation, difficulties integrating the two companies, and potential adverse reactions to customer, business, or employee relationships; and (33) other risk factors related to the banking industry.

Forward-looking statements should be construed in the light of such risks. It is impossible to predict or identify all potential risk factors. Consequently, readers should not consider the foregoing list to be a complete set of all potential risks and uncertainties. Readers are cautioned not to place undue reliance on any forward-looking statements. Any forward looking statement in this Form 10-Q is based on current information as of the date of this Form 10-Q, and Park does not undertake, and specifically disclaims any obligation, to publicly release the results of any revisions that may be made to update any forward-looking statement to reflect the events or circumstances after the date on which the forward-looking statement was made, whether as a result of new information, future developments or otherwise, or reflect the occurrence of unanticipated events, except to the extent required by law.