OP Bancorp

Note 1 —Basis of Presentation and Significant Accounting Policies

OP Bancorp (referred to herein on an unconsolidated basis as "OP Bancorp" and on a consolidated basis as the "Company") is a California corporation and the registered bank holding company for Open Bank ("Open Bank" or the “Bank”).

The accompanying unaudited Consolidated Financial Statements and notes thereto have been prepared in accordance with the Securities and Exchange Commission's (“SEC”) rules and regulations for Form 10-Q, conform to practices within the banking industry, and include all of information and disclosures required by Generally Accepted Accounting Principles in the United States of America (“GAAP”) for interim financial reporting. The accompanying unaudited consolidated financial statements reflect all adjustments (consisting only of normal recurring adjustments), which are necessary for a fair presentation of the financial results for the interim periods presented, including eliminating intercompany transactions and balances. Certain items in our Consolidated Financial Statements and notes for prior periods have been reclassified to conform to the current presentation. Reclassification had no effect on prior year net income or shareholders' equity. The results of operations for the interim periods are not necessarily indicative of the results for the full year. These interim unaudited financial statements should be read in conjunction with the Consolidated Financial Statements and the notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025 (“2025 Annual Report on Form 10-K”). Descriptions of our significant accounting policies are included in Note 1. Significant Accounting Policies to Consolidated Financial Statements in the 2025 Annual Report on Form 10-K.

Accounting Pronouncements Adopted in 2026

The following standards were adopted on January 1, 2026, but they did not have a material impact on the Company's Consolidated Financial Statements:

•ASU 2024-04, Debt - Debt with Conversion and Other Options (Subtopic 470-20): Induced Conversions of Convertible Debt Instruments

•ASU 2025-05, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses for Account Receivable and Contract Assets