| Exhibit Number | | | | | | Exhibit Description | | | Incorporated by Reference | | | | | | | | | Filed Herewith | | |
| | | | | | | | | Form | | | Date | | | Number | | | | | |
| 10.1 | | | | | | Third Supplemental Indenture, dated as of March 31, 2022, among Extra Space Storage LP, as issuer, Extra Space Storage Inc., ESS Holdings Business Trust I and ESS Holdings Business Trust II, as guarantors, and Computershare Trust Company, N.A., as trustee, including the form of the Notes and the Guarantee. | | | 8-K | | | March 31, 2022 | | | 4.2 | | | | | |
| 10.2 | | | | | | Fourth Supplemental Indenture, dated as of March 28, 2023, among Extra Space Storage LP, as issuer, Extra Space Storage Inc., ESS Holdings Business Trust I and ESS Holdings Business Trust II, as guarantors, and Computershare Trust Company, N.A., as trustee, including the form of the Notes and the Guarantee. | | | 8-K | | | March 28, 2023 | | | 4.2 | | | | | |
| 10.3 | | | | | | Agreement and Plan of Merger, dated as of April 2, 2023, by and among Extra Space Storage Inc., Extra Space Storage LP, Eros Merger Sub, LLC, Eros OP Merger Sub, LLC, Life Storage, Inc. and Life Storage LP. | | | 8-K | | | April 3, 2023 | | | 2.1 | | | | | |
| 22.1 | | | | | | Issuer and Guarantors of Guaranteed Securities | | | | | | | | | | | | X | | |
| 31.1 | | | | | | Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. | | | | | | | | | | | | X | | |
| 31.2 | | | | | | Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. | | | | | | | | | | | | X | | |
| 32.1 | | | | | | Certifications of the 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. | | | | | | | | | | | | X | | |
| 101 | | | | | | The following materials from Extra Space Storage Inc.’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2023, are formatted in XBRL (eXtensible Business Reporting Language): (1) the Condensed Consolidated Balance Sheets, (2) the Condensed Consolidated Statements of Operations, (3) the Condensed Consolidated Statements of Comprehensive Income (4) the Condensed Consolidated Statement of Noncontrolling Interests and Equity, (5) the Condensed Consolidated Statements of Cash Flows and (6) notes to these financial statements. | | | | | | | | | | | | X | | |
| 104 | | | | | | Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101). | | | | | | | | | | | | X | | |