PARSONS CORP New Standards Disclosure

New Accounting Pronouncements

In the fourth quarter of 2024, The Financial Accounting Standards Board ("FASB") Issued Accounting Standards Update (“ASU”) 2024-04, "Debt—Debt with Conversion and Other Options (Subtopic 470-20)" ("ASU 2024-04"). ASU 2024-04 improves the relevance and consistency in application of the induced conversion guidance in Subtopic 470-20, Debt–Debt with Conversion and Other Options. The amendments in ASU 2024-04 clarify the requirements for determining whether certain settlements of convertible debt instruments should be accounted for as an induced conversion. Under the amendments, to account for a settlement of a convertible debt instrument as an induced conversion, an inducement offer is required to provide the debt holder with, at a minimum, the consideration (in form and amount) issuable under the conversion privileges provided in the terms of the instrument. The amendments in this Update are effective for all entities for annual reporting periods beginning after December 15, 2025, and interim reporting periods within those annual reporting periods. Early adoption is permitted for all entities that have adopted the amendments in ASU 2020-06. The Company adopted ASU 2020-06 in the first quarter of 2021. The Company has elected to early adopt ASU 2024-04 as of January 1, 2024 on a prospective basis. The adoption of this ASU had a material impact on the Company's consolidated financial statements.

In the fourth quarter of 2024, The FASB Issued ASU 2024-03 "Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40)" (ASU 2024-03"). ASU 2024-03 requires disclosure, in the notes to financial statements, of specified information about certain costs and expenses. ASU 2024-03 is effective for annual reporting periods beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027. Early adoption is permitted. The adoption of this ASU will only impact disclosures and will not have a material impact on the Company's consolidated financial statements.

In the fourth quarter of 2023, The FASB Issued Accounting Standards Update (“ASU”) 2023-09, "Income Taxes (Topic 740)" ("ASU 2023-09"). ASU 2023-09 enhances the transparency and decision usefulness of income tax disclosures. The amendments in ASU 2023-09 addresses investor requests for more transparency about income tax information through improvements to income tax disclosures primarily related to the rate reconciliation and income taxes paid information. ASU 2023-09 also includes certain other amendments to improve the effectiveness of income tax disclosures. ASU 2023-09 is effective for fiscal years beginning after December 15, 2024. We adopted the standard and applied the disclosure requirements on a prospective basis effective for the year ended December 31, 2025. This ASU was adopted in the fourth quarter of 2025, prospectively. The adoption of this ASU will only impact disclosures and did not have a material impact on the Company's consolidated financial statements.

In the fourth quarter of 2023, The FASB Issued ASU 2023-07, "Segment Reporting (Topic 280)". ASU 2023-07 introduces enhanced disclosures about significant segment expenses along with other enhanced segment disclosures. 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 adoption of this ASU only impacted disclosures and did not have a material impact on the Company's consolidated financial statements.