CFO — Jeffrey Kuehling: The CFO is departing via termination without cause, requiring an interim replacement and external search for a permanent successor.

Results of Operations and Financial Condition. On July 27, 2026 , Kilroy Realty Corporation issued a press release announcing its earnings for the quarter ended June 30, 2026 and distributed certain supplemental financial information. On July 27, 2026 , Kilroy Realty Corporation also posted the supplemental information on its website located at www.kilroyrealty.com . The text of the supplemental information and the related press release are furnished herewith as Exhibits 99.1 and 99.2, respec…

REGULATION FD DISCLOSURE On June 17, 2026, the Company issued a press release announcing its entry into the Credit Facility and the Term Loan Agreement. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information included in this Current Report on Form 8-K under this Item 7.01 (including Exhibit 99.1) shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise…

ENTRY INTO A MATERIAL AGREEMENT Revolving Credit Facility On June 12, 2026 (the “Closing Date”), Kilroy Realty, L.P. (the “Operating Partnership”), as borrower, entered into a Fifth Amended and Restated Credit Agreement (the “Credit Agreement”) with JPMorgan Chase Bank, N.A., as administrative agent and a lender, and certain other financial institutions party thereto as lenders, which amends and restates and replaces in its entirety that certain fourth amended and restated credit agreement, d…

CREATION OF A DIRECT FINANCIAL OBLIGATION OR AN OBLIGATION UNDER AN OFF-BALANCE SHEET ARRANGEMENT OF A REGISTRANT The information set forth in

The filing pertains to an amendment of the company's incentive award plan, not a management change.

Results of Operations and Financial Condition. On April 27, 2026 , Kilroy Realty Corporation issued a press release announcing its earnings for the quarter ended March 31, 2026 and distributed certain supplemental financial information. On April 27, 2026 , Kilroy Realty Corporation also posted the supplemental information on its website located at www.kilroyrealty.com . The text of the supplemental information and the related press release are furnished herewith as Exhibits 99.1 and 99.2, res…

Chair of the Board — Gary Stevenson: Gary Stevenson was appointed as Chair of the Board, succeeding Edward F. Brennan.

Results of Operations and Financial Condition. On February 9, 2026 , Kilroy Realty Corporation issued a press release announcing its earnings for the quarter and full year ended December 31, 2025 and distributed certain supplemental financial information. On February 9, 2026 , Kilroy Realty Corporation also posted the supplemental information on its website located at www.kilroyrealty.com . The text of the supplemental information and the related press release are furnished herewith as Exhibi…

Chief Accounting Officer — Chandni Jalan: The filing primarily discloses the appointment of an external hire, Chandni Jalan, as Chief Accounting Officer to succeed Merryl Werber, who is transitioning to an advisory role.

Results of Operations and Financial Condition. On October 27, 2025 , Kilroy Realty Corporation issued a press release announcing its earnings for the quarter ended September 30, 2025 and distributed certain supplemental financial information. On October 27, 2025 , Kilroy Realty Corporation also posted the supplemental information on its website located at www.kilroyrealty.com . The text of the supplemental information and the related press release are furnished herewith as Exhibits 99.1 and 9…

ENTRY INTO A MATERIAL AGREEMENT The information set forth in

OTHER EVENTS Completion of Underwritten Public Offering On August 5, 2025, the Operating Partnership and the Company entered into an underwriting agreement (the “Underwriting Agreement”) with Wells Fargo Securities, LLC and J.P. Morgan Securities LLC, as representatives of the several underwriters (the “Underwriters”) listed on Schedule A attached thereto, relating to the public offering by the Operating Partnership of $400,000,000 aggregate principal amount of the Notes. A copy of the underw…

CREATION OF A DIRECT FINANCIAL OBLIGATION OR AN OBLIGATION UNDER AN OFF-BALANCE SHEET ARRANGEMENT OF A REGISTRANT On August 8, 2025, Kilroy Realty, L.P. (the “Operating Partnership”) and Kilroy Realty Corporation (the “Company”) completed an underwritten public offering of $400,000,000 aggregate principal amount of its 5.875% Senior Notes due 2035 (the “Notes”). The Notes are fully and unconditionally guaranteed by the Company (the “Guarantee”). The terms of the Notes are governed by an inden…

Results of Operations and Financial Condition. On July 28, 2025 , Kilroy Realty Corporation issued a press release announcing its earnings for the quarter ended June 30, 2025 and distributed certain supplemental financial information. On July 28, 2025 , Kilroy Realty Corporation also posted the supplemental information on its website located at www.kilroyrealty.com . The text of the supplemental information and the related press release are furnished herewith as Exhibits 99.1 and 99.2, respec…

Chief Accounting Officer — Merryl Werber: The Chief Accounting Officer is voluntarily leaving to pursue other opportunities with a planned transition period, which is a standard executive departure without indication of conflict or cause.

Results of Operations and Financial Condition. On May 5, 2025, Kilroy Realty Corporation issued a press release announcing its earnings for the quarter ended March 31, 2025 and distributed certain supplemental financial information. On May 5, 2025, Kilroy Realty Corporation also posted the supplemental information on its website located at www.kilroyrealty.com . The text of the supplemental information and the related press release are furnished herewith as Exhibits 99.1 and 99.2, respectivel…

Results of Operations and Financial Condition. On February 10, 2025, Kilroy Realty Corporation issued a press release announcing its earnings for the quarter and full year ended December 31, 2024 and distributed certain supplemental financial information. On February 10, 2025, Kilroy Realty Corporation also posted the supplemental information on its website located at www.kilroyrealty.com . The text of the supplemental information and the related press release are furnished herewith as Exhibi…

Results of Operations and Financial Condition. On October 28, 2024, Kilroy Realty Corporation issued a press release announcing its earnings for the quarter ended September 30, 2024 and distributed certain supplemental financial information. On October 28, 2024, Kilroy Realty Corporation also posted the supplemental information on its website located at www.kilroyrealty.com . The text of the supplemental information and the related press release are furnished herewith as Exhibits 99.1 and 99.…

Results of Operations and Financial Condition. On July 31, 2024, Kilroy Realty Corporation (the “Company”) issued a press release announcing its earnings for the quarter ended June 30, 2024 and distributed certain supplemental financial information. On July 31, 2024, the Company also posted the supplemental information on its website located at www.kilroyrealty.com . The text of the supplemental information and the related press release are furnished herewith as Exhibits 99.1 and 99.2, respec…

CFO — Jeffrey Kuehling: The filing discloses the appointment of a new external CFO, Jeffrey Kuehling, from Brixmor Property Group, which is a significant management change but not a departure of a sitting executive.

Results of Operations and Financial Condition. On May 2, 2024, Kilroy Realty Corporation issued a press release announcing its earnings for the quarter ended March 31, 2024 and distributed certain supplemental financial information. On May 2, 2024, Kilroy Realty Corporation also posted the supplemental information on its website located at www.kilroyrealty.com . The text of the supplemental information and the related press release are furnished herewith as Exhibits 99.1 and 99.2, respectivel…

REGULATION FD DISCLOSURE On March 6, 2024, the Company issued a press release announcing its entry into the Credit Facility and the Term Loan Agreement. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information included in this Current Report on Form 8-K under this Item 7.01 (including Exhibit 99.1) shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise…

CREATION OF A DIRECT FINANCIAL OBLIGATION OR AN OBLIGATION UNDER AN OFF-BALANCE SHEET ARRANGEMENT OF A REGISTRANT The information set forth in

ENTRY INTO A MATERIAL AGREEMENT Revolving Credit Facility On March 6, 2024, Kilroy Realty, L.P. (the “Operating Partnership”), as borrower, entered into a fourth amended and restated credit agreement (the “Credit Agreement”) with JPMorgan Chase Bank, N.A., as administrative agent and a lender, and certain other financial institutions party thereto as lenders, which amends and restates and replaces in its entirety that certain third amended and restated credit agreement, dated as of April 20,…