TRICO BANCSHARES /

For the period ended Oct 29, 2026. Filed Oct 30, 2026.

About this filing

A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Oct 29, 2026 · Filed Oct 30, 2026

TCBK$52.17-0.5%Stored close · as of Nov 6, 2026

See the whole filing, with its images and exhibits

Contents

EX-99.1 · PROXY STATEMENT

proxy statement/prospectus of FHI and TriCo, dated September 16, 2026. If one or more events related to these or other risks or uncertainties materialize, or if our underlying assumptions prove to be incorrect, actual results may differ materially from what we anticipate. Accordingly, you should not place undue reliance on any such forward-looking statements.

Any forward-looking statement speaks only as of the date on which it is made, and neither FHI nor TriCo undertakes any obligation to update any forward-looking statement, whether as a result of new information, future developments or otherwise, except as required by applicable law.

Contacts

First Hawaiian Investor Relations: Kevin Haseyama, CFA, (808) 525-6268, khaseyama@fhb.com

First Hawaiian Media Relations: Shari Nishijima, (808) 525-6254, snishijima@fhb.com

TriCo Investor Contact: Peter G. Wiese, (530) 898-0300, shareholderrelations@tcbk.com

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.