Director — Nabeel Al-Amudi, Toni Townes-Whitley: The filing discloses the routine election of two new independent directors to the Board, which is a standard governance event and not an executive departure.

Other Events On October 29, 2026, Jones Lang LaSalle Incorporated (the “Company”) entered into a confirmation with Wells Fargo Bank for an accelerated share repurchase transaction (the “ASR”) to repurchase $500 million of the Company’s common stock. The ASR is being effected under the Company’s previously announced share repurchase program. 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…

by reference. The information contained in this Current Report, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), nor incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Chief Executive Officer — Mihir Shah: The departure of the CEO of a major subsidiary (JLL Technologies) and Global Executive Board member is a significant management change.

COO — Paul Morgan: The filing announces the internal promotion of an existing senior executive to a newly created Chief Operating Officer role, which is a succession or expansion event rather than a departure.

by reference. The information contained in this Current Report, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), nor incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

by reference. The information contained in this Current Report, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), nor incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Regulation FD Disclosure As previously announced, Jones Lang LaSalle Incorporated (the “Company”) hosted an investor briefing (“Investor Briefing”) webcast on March 12, 2026, in New York City, during which members of JLL's global leadership team, including CEO & President Christian Ulbrich and CFO Kelly Howe, introduced JLL's new multi-year strategy and longer-term financial targets. During the Investor Briefing, the Company also announced that the Board of Directors authorized an additional…

by reference. The information contained in this Current Report, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), nor incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

by reference. The information contained in this Current Report, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), nor incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

by reference. The information contained in this Current Report, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), nor incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

by reference. The information contained in this Current Report, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), nor incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

CFO — Karen Brennan: The CFO is moving to a new internal executive role (CEO of Leasing Advisory) rather than leaving the company, and a successor has been appointed.

by reference. The information contained in this Current Report, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), nor incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

by reference. The information contained in this Current Report, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), nor incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

by reference. The information contained in this Current Report, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), nor incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth under

Other Events. On June 27, 2024, Jones Lang LaSalle Finance B.V. (the “Issuer”), a wholly-owned subsidiary of Jones Lang LaSalle Incorporated (the “Company”), established a commercial paper program pursuant to which it may issue up to $2.5 billion of short-term, unsecured and unsubordinated commercial paper notes (the “Notes”) at any time, under the exemption from registration contained in Section 4(a)(2) of the Securities Act of 1933, as amended (the “Securities Act”). Amounts available under…

by reference. The information contained in this Current Report, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), nor incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

by reference. The information contained in this Current Report, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), nor incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Other Events On November 13, 2023 (the “Issue Date”), Jones Lang LaSalle Incorporated (the “Company”) closed its public offering of $400,000,000 aggregate principal amount of 6.875% senior notes due 2028 (the “Notes”). The Company received net proceeds of approximately $393.0 million after deducting the underwriting discounts and estimated offering expenses. The Company intends to use the net proceeds from the offering of the Notes for general corporate purposes, including the repayment of ou…

Entry into a Material Definitive Agreement On November 3, 2023, Jones Lang LaSalle Incorporated (the “Company”), Jones Lang LaSalle Finance B.V. and certain of the Company’s other subsidiaries, as guarantors, executed Amendment No. 5 ("Amendment No. 5") to the Second Amended and Restated Multicurrency Credit Agreement dated as of June 21, 2016 (as amended, the “Credit Agreement”) with Bank of Montreal, as Administrative Agent, and the lender parties thereto. Pursuant to Amendment No. 5, the b…

Other Events On November 3, 2023, we announced the execution of the amended Credit Agreement. A copy of the news release is filed as Exhibit 99.1 to this Current Report on Form 8-K.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant The information set forth in

by reference. The information contained in this Current Report, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), nor incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.