BOSTON BEER CO INC New Standards Disclosure

C. Recent Accounting Pronouncements

New accounting pronouncements are issued periodically by the FASB and are adopted by the Company as of the specified effective dates. Unless otherwise disclosed below, the Company believes that recently issued and adopted pronouncements will not have a material impact on the Company’s financial position, results of operations and cash flows or do not apply to the Company’s operations.

In November 2023, the FASB issued ASU 2023-07—Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. This ASU was issued to improve reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. This ASU applies to all public entities that are required to report segment information in accordance with Topic 280, Segment Reporting. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. The Company adopted ASU 2023-07 for the fiscal year ending December 28, 2024. See Note T for further discussion of the Company's segment reporting.

In December 2023, the FASB issued ASU 2023-09—Income Taxes (Topic 740): Improvements to Income Tax Disclosures. This ASU was issued to address investor requests for more transparency about income tax information through improvements to income tax disclosure primarily related to the rate reconciliation and income taxes paid information, and to improve the effectiveness of income tax disclosures. This ASU is effective for public entities for annual periods beginning after December 15, 2024. The Company prospectively adopted ASU 2023-09 for the fiscal year ending December 27, 2025. See Note L for details of the Company's income tax disclosure.

In November 2024, the FASB issued ASU 2024-03—Income Statement - Reporting Comprehensive Income - Expenses Disaggregation Disclosures (SubTopic 220-40): Disaggregation of Income Statement Expenses. This ASU was issued to address investor requests for more detailed information about the types of expenses in commonly presented expense captions (such as cost of sales, SG&A, and research and development). This ASU is effective for public entities for annual periods beginning after December 15, 2026. Early adoption is permitted. ASU 2024-03 will be effective for the Company in the first quarter of its fiscal year ending December 15, 2027. The Company is currently evaluating the impact the adoption of this ASU will have on its consolidated financial statements.

In July 2025, the FASB issued ASU 2025‑05—Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets. The ASU provides a practical expedient intended to simplify the estimation of expected credit losses for current accounts receivable and contract assets arising under Topic 606. It is effective for annual and interim periods beginning after December 15, 2025, with early adoption permitted. The Company is currently evaluating the impact the adoption of this ASU will have on its consolidated financial statements.

In December 2025, the FASB issued ASU 2025-11—Interim Reporting (Topic 270): Narrow-Scope Improvements. This ASU was issued to improve the navigability of the interim reporting guidance and to clarify when and how the interim disclosure requirements in Topic 270 apply. The amendments also introduce a disclosure principle requiring entities to disclose events and changes since the end of the most recent annual reporting period that have a material impact on the entity. The ASU does not change the fundamental nature of interim reporting or significantly expand or reduce existing interim disclosure requirements. ASU 2025-11 is effective for public entities for interim reporting periods within fiscal years beginning after December 15, 2027. Early adoption is permitted. The Company is currently evaluating the impact the adoption of this ASU will have on its consolidated financial statements.