First Seacoast Bancorp, Inc. New Standards Disclosure

Recent Accounting Pronouncements Yet To Be Adopted

The Company considers the applicability and impact of all ASUs. ASUs not listed below were assessed and determined to be either not applicable or are expected to have an immaterial impact on the Company’s consolidated financial statements.

In November 2025, the FASB issued ASU 2025-08, “Financial Instruments - Credit Losses (Topic 326): Purchased Loans.” ASU 2025-08 amends the guidance in ASC 326 on the accounting for certain purchased loans. Under the ASU, entities must account for acquired loans that meet certain criteria at acquisition (“purchased seasoned loans”) by recognizing the loan at its purchase price plus an allowance for expected credit losses (i.e., the gross-up approach). The ASU’s amendments align the accounting for purchased seasoned loans with the treatment of financial assets purchased with more-than-insignificant credit deterioration since origination (“PCD assets”). ASU 2025-08 is effective for annual reporting periods beginning after December 15, 2026 on a prospective basis. Early adoption is also permitted. We are currently evaluating the effect this standard will have on our consolidated financial statements.

In November 2024, the FASB issued ASU 2024-03, “Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures.” ASU 2024-03 requires disaggregated disclosure of income statement expenses for public business entities. ASU 2024-03 requires new financial statement disclosures in tabular format, disaggregating information about prescribed categories underlying any relevant income statement expense caption. The prescribed categories include, among other things, employee compensation, depreciation, and intangible asset amortization. Additionally, entities must disclose the total amount of selling expenses and, in annual reporting periods, an entity’s definition of selling expenses. ASU 2024-03 is effective for annual reporting periods beginning after December 15, 2026 on a prospective basis. Retrospective application for all periods presented is permitted. Early adoption is also permitted. We are currently evaluating the effect this standard will have on our disclosures.

Recently Adopted Accounting Pronouncements

In March 2024, the FASB issued ASU 2024-02, “Codification Improvements,” which amends the Codification to remove references to various concepts statements and impacts a variety of topics in the Codification. The amendments apply to all reporting entities within the scope of the affected accounting guidance, but in most instances the references removed are

extraneous and not required to understand or apply the guidance. Generally, the amendments in ASU 2024-02 are not intended to result in significant accounting changes for most entities. ASU 2024-02 was effective January 1, 2025 and did not have a material impact on the Company's consolidated financial statements.

In December 2023, the FASB issued ASU 2023-09, "Income Taxes- Improvements to Income Tax Disclosures", which requires enhancements and further transparency to various income tax disclosures, most notably the tax rate reconciliation and income taxes paid. ASU 2023-09 became effective for annual periods beginning after December 15, 2024 on a prospective basis. Retrospective application for all periods presented is permitted. Early adoption was also permitted. ASU 2023-09 did not have a material impact on the Company's consolidated financial statements.