CEO — Joseph D. Margolis: The CEO is retiring with a pre-announced internal successor (the current President), representing an orderly succession rather than a sudden loss of leadership.

Results of Operations and Financial Condition On July 28, 2026, Extra Space Storage Inc. (the “Company”) issued a press release announcing its financial results for the three and six months ended June 30, 2026. A copy of the press release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein. The information contained in this Current Report, including the exhibit referenced herein, is being furnished and shall not be deemed “filed” for purposes of Section 18 of t…

Entry into a Material Definitive Agreement. The information set forth in

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. On July 6, 2026, Extra Space Storage LP (the “Issuer”), a Delaware limited partnership and subsidiary of Extra Space Storage Inc. (the “Company”), completed an underwritten public offering of $550,000,000 aggregate principal amount of its 4.900% Senior Notes due 2032 (the “Notes”). The Notes are fully and unconditionally guaranteed (the “Guarantee”) by the Company, ESS Holdings B…

Other Events. On June 24, 2026, Extra Space Storage LP (the “Issuer”), Extra Space Storage Inc. (the “Company”), ESS Holdings Business Trust I (“EHBT I”) and ESS Holdings Business Trust II (“EHBT II” and, together with the EHBT I and the Company, the “Guarantors”) entered into an underwriting agreement (the “Underwriting Agreement”) with Wells Fargo Securities, LLC, J.P. Morgan Securities LLC and Truist Securities, Inc., as representatives of the several underwriters named therein (the “Under…

Results of Operations and Financial Condition On April 28, 2026, Extra Space Storage Inc. (the “Company”) issued a press release announcing its financial results for the three months ended March 31, 2026. A copy of the press release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein. The information contained in this Current Report, including the exhibit referenced herein, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Sec…

Results of Operations and Financial Condition On February 19, 2026, Extra Space Storage Inc. (the “Company”) issued a press release announcing its financial results for the three months and year ended December 31, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein. The information contained in this Current Report, including the exhibit referenced herein, is being furnished and shall not be deemed “filed” for purposes of Sectio…

President — Noah Springer: The filing announces the internal promotion of an existing Executive Vice President to the role of President, which is a succession event rather than a departure.

Results of Operations and Financial Condition On October 29, 2025, Extra Space Storage Inc. (the “Company”) issued a press release announcing its financial results for the three and nine months ended September 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein. The information contained in this Current Report, including the exhibit referenced herein, is being furnished and shall not be deemed “filed” for purposes of Sectio…

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

Entry into a Material Definitive Agreement. On August 21, 2025, Extra Space Storage LP (the “Operating Partnership”), the operating partnership subsidiary of Extra Space Storage Inc. (the “Company”), entered into a fourth amended and restated credit agreement (the “Credit Agreement”) with (i) certain lenders named therein, (ii) U.S. Bank National Association, as administrative agent, (iii) the following co-syndication agents: Bank of America, N.A., BMO Bank N.A., JPMorgan Chase Bank, N.A., PN…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. On August 8, 2025, Extra Space Storage LP (the “Issuer”), a Delaware limited partnership and subsidiary of Extra Space Storage Inc. (the “Company”), completed an underwritten public offering of $800,000,000 aggregate principal amount of its 4.950% Senior Notes due 2033 (the “Notes”). The Notes are fully and unconditionally guaranteed (the “Guarantee”) by the Company, ESS Holdings…

Entry into a Material Definitive Agreement. The information set forth in

Other Events. On August 6, 2025, Extra Space Storage LP (the “Issuer”), Extra Space Storage Inc. (the “Company”), ESS Holdings Business Trust I (“EHBT I”) and ESS Holdings Business Trust II (“EHBT II” and, together with the EHBT I and the Company, the “Guarantors”) entered into an underwriting agreement (the “Underwriting Agreement”) with J.P. Morgan Securities LLC, BMO Capital Markets Corp. and PNC Capital Markets LLC, as representatives of the several underwriters named therein (the “Underw…

Results of Operations and Financial Condition On July 30, 2025, Extra Space Storage Inc. (the “Company”) issued a press release announcing its financial results for the three and six months ended June 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein. The information contained in this Current Report, including the exhibit referenced herein, is being furnished and shall not be deemed “filed” for purposes of Section 18 of t…

The filing discloses the approval of an incentive award plan, which is a compensatory arrangement rather than a change in management or board composition.

CFO — P. Scott Stubbs: The CFO is retiring with a named internal successor and a structured transition period, indicating an orderly succession rather than a sudden loss of leadership.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On April 29, 2025, Extra Space Storage Inc. (the “Company”) issued a press release announcing its financial results for the three months ended March 31, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein. The information contained in this Current Report, including the exhibit referenced herein, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Sec…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. On March 19, 2025, Extra Space Storage LP (the “Issuer”), a Delaware limited partnership and subsidiary of Extra Space Storage Inc. (the “Company”), completed an underwritten public offering of $500,000,000 aggregate principal amount of its 5.400% Senior Notes due 2035 (the “Notes”). The Notes are fully and unconditionally guaranteed (the “Guarantee”) by the Company, ESS Holdings…

Entry into a Material Definitive Agreement. The information set forth in

Other Events. On March 10, 2025, Extra Space Storage LP (the “Issuer”), Extra Space Storage Inc. (the “Company”), ESS Holdings Business Trust I (“EHBT I”) and ESS Holdings Business Trust II (“EHBT II” and, together with the EHBT I and the Company, the “Guarantors”) entered into an underwriting agreement (the “Underwriting Agreement”) with BofA Securities, Inc., TD Securities (USA) LLC and Truist Securities, Inc., as representatives of the several underwriters named therein (the “Underwriters”…

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On February 25, 2025, Extra Space Storage Inc. (the “Company”) issued a press release announcing its financial results for the three months and year ended December 31, 2024. A copy of the press release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein. The information contained in this Current Report, including the exhibit referenced herein, is being furnished and shall not be deemed “filed” for purposes of Sectio…

Other Events. On January 16, 2025, Extra Space Storage LP (the “Issuer”), Extra Space Storage Inc. (the “Company”), ESS Holdings Business Trust I (“EHBT I”) and ESS Holdings Business Trust II (“EHBT II” and, together with the EHBT I and the Company, the “Guarantors”) entered into an underwriting agreement (the “Underwriting Agreement”) with Wells Fargo Securities, LLC, PNC Capital Markets LLC and U.S. Bancorp Investments, Inc., as representatives of the several underwriters named therein (the…

Other Events. On December 2, 2024, Extra Space Storage LP (the “Issuer”), Extra Space Storage Inc. (the “Company”), ESS Holdings Business Trust I (“EHBT I”) and ESS Holdings Business Trust II (“EHBT II” and, together with the EHBT I and the Company, the “Guarantors”) entered into an underwriting agreement (the “Underwriting Agreement”) with J.P. Morgan Securities LLC, BMO Capital Markets Corp. and TD Securities (USA) LLC, as representatives of the several underwriters named therein (the “Unde…

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On October 29, 2024, Extra Space Storage Inc. (the “Company”) issued a press release announcing its financial results for the three and nine months ended September 30, 2024. A copy of the press release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein. The information contained in this Current Report, including the exhibit referenced herein, is being furnished and shall not be deemed “filed” for purposes of Sectio…