JACOBS SOLUTIONS INC. 10-Q

Item 5. Other Information. During the period covered by this Quarterly Report on Form 10-Q, none of our officers or directors adopted or terminated any contract, instruction or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act or any “non-Rule 10b5-1 trading arrangement” as defined in Item 408(c) of Regulation S-K. Adoption of Amended and Restated Bylaws On July 31, 2025, the Jacobs Board of Directors amended and restated Jacobs’ bylaws (the “Amended and Restated Bylaws”), effective immediately, (i) to revise the procedure and information requirements for the nominations of persons for election to the Board of Directors and the proposal of business to be considered by stockholders; (ii) to clarify certain procedures relating to stockholder meetings; and (iii) to make certain other administrative, modernizing, clarifying and conforming changes throughout. The foregoing description of the Amended and Restated Bylaws does not purport to be complete and is qualified in its entirety by reference to the full text of the Amended and Restated Bylaws, which is attached as Exhibit 3.2 to this Form 10-Q and is incorporated herein by reference Page 49 Item 6. Exhibits. 2.1 Agreement and Plan of Merger, dated November 20, 2023, by and among Jacobs Solutions Inc., Amazon Holdco Inc., Amentum Parent Holdings LLC and Amentum Joint Venture LP. Filed as Exhibit 2.1 to the Registrant’s Current Report on Form 8-K on November 21, 2023 and incorporated herein by reference. 2.2 Amendment to Agreement and Plan of Merger, dated August 26, 2024, by and among Jacobs Solutions Inc., Amazon Holdco Inc., Amentum Parent Holdings LLC and Amentum Joint Venture LP. Filed as Exhibit 2,5 to the Registrant’s fiscal 2024 Annual Report on Form 10-K and incorporated herein by reference. 3.1 Restated Certificate of Incorporation of Jacobs Solutions Inc, Filed as Exhibit 3.2 to the Registrant’s Current Report on Form 8-K on February 3, 2025 and incorporated herein by reference. 3.2* Amended and Restated Bylaws of Jacobs Solutions Inc., dated as of J uly 3 1 , 2025. 22.1 Subsidiary Issuers of Guaranteed Securities. Filed as Exhibit 22.1 to the Registrant’s Quarterly Report on Form 10-Q for the third quarter of fiscal 2024 and incorporated herein by reference. 31.1 * Certification of Chief Executive Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934. 31.2 * Certification of Chief Financial Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934. 32.1 * Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 32.2 * Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 101 The following financial statements from the Company’s Quarterly Report on Form 10-Q for the quarter ended June 27, 2025, formatted in Inline XBRL: (i) Consolidated Balance Sheets, (ii) Consolidated Statements of Earnings, (iii) Consolidated Statements of Comprehensive Income (Loss), (iv) Consolidated Statements of Stockholders’ Equity, (v) Consolidated Statements of Cash Flows and (vi) Notes to Consolidated Financial Statements, tagged as blocks of text and including detailed tags. 104 The cover page from the Company’s Quarterly Report on Form 10-Q for the quarter end ed June 27, 2025, (formatted as Inline XBRL and contained in Exhibit 101). * Filed herewith Page 50 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. JACOBS SOLUTIONS INC. By: /s/ Venk Nathamuni Venk Nathamuni Chief Financial Officer (Principal Financial Officer) Date: August 5, 2025 Page 51