TRICO BANCSHARES

(a) Evaluation of Disclosure Controls and Procedures

As of December 31, 2023, the end of the period covered by this Annual Report on Form 10-K, the Company’s Chief Executive Officer and Chief Financial Officer evaluated the effectiveness of the Company’s disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934). Based upon that evaluation, the Company’s Chief Executive Officer and Chief Financial Officer each concluded that as of December 31, 2023, the Company’s disclosure controls and procedures were effective to ensure that the information required to be disclosed by the Company in this Annual Report on Form 10-K was recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and instructions for Form 10-K.

(b) Management’s Report on Internal Control over Financial Reporting and Attestation Report of Registered Public Accounting Firm

Management’s report on internal control over financial reporting is set forth on page 107 of this report and is incorporated herein by reference. The effectiveness of the Company’s internal control over financial reporting as of December 31, 2023, has been audited by Moss Adams LLP, an independent registered public accounting firm, as stated in its report, which is set forth on pages 108 - 109 of this report and is incorporated herein by reference.

(c) Changes in Internal Control over Financial Reporting

No change in the Company’s internal control over financial reporting occurred during the fourth quarter of the year ended December 31, 2023, that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.