JONES LANG LASALLE INC 10-Q

Item 5. Other Information During the quarter ended June 30, 2026, none of the Company's directors or officers 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 a Rule 10b5-1(c) trading arrangement or a non-Rule 10b5-1 trading arrangement as such terms are defined under Item 408(a) or Regulation S-K. 50 Table of Contents Item 6. Exhibits Exhibit Number Description 31.1 * Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 31.2 * Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 32 * Certification of Chief Executive Officer and 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.INS Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document 101.SCH Inline XBRL Taxonomy Extension Schema Document 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) *Filed herewith 51 Table of Contents Signature Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on the 30th day of July, 2026. JONES LANG LASALLE INCORPORATED By: /s/ Kelly Howe Kelly Howe Chief Financial Officer (Authorized Officer and Principal Financial Officer) 52