EXR · Extra Space Storage Inc. · Insider Trading

The reporting person controls the investment decisions with respect to shares of common stock held by Cove Hollow Lane I, LLC. The reporting person disclaims beneficial ownership in the common stock held by Cove Hollow Lane I, LLC, except to the extent of his pecuniary interest therein.

Shares held in J Margolis & K Margolis TTEE Joseph Daniel Margolis Revocab U/A DTD 05/24/2013.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Stock awards vest over one year on the anniversary of the grant date.

Stock awards vest over one year on the anniversary of the grant date.

Stock awards vest over one year on the anniversary of the grant date.

Stock awards vest over one year on the anniversary of the grant date.

Stock awards vest over one year on the anniversary of the grant date.

Stock awards vest over one year on the anniversary of the grant date.

Stock awards vest over one year on the anniversary of the grant date.

Stock awards vest over one year on the anniversary of the grant date.

Stock awards vest over one year on the anniversary of the grant date.

The reporting person's previous Forms 4 overreported his beneficial ownership by one share. The ownership following the transaction reported herein has been corrected.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person dated as of February 28, 2025.

Shares held in J Margolis & K Margolis TTEE Joseph Daniel Margolis Revocab U/A DTD 05/24/2013.

Shares held in J Margolis & K Margolis TTEE Joseph Daniel Margolis Revocab U/A DTD 05/24/2013.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents the number of shares of common stock issued upon the vesting of performance stock units (PSUs), net of shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested PSUs. Each PSU represented a contingent right to receive shares of the Issuers common stock. The PSUs were originally granted on March 1, 2023 and were eligible to vest based on the Issuer achievement of certain performance objectives during the three-year performance period ending December 31, 2025. On February 10, 2026, the Compensation Committee of the Board of Directors of the Issuer certified the Issuer achievement relative to the applicable performance objectives and approved the vesting of the PSUs with respect to these shares effective March 1, 2026.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents the number of shares of common stock issued upon the vesting of performance stock units (PSUs), net of shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested PSUs. Each PSU represented a contingent right to receive shares of the Issuers common stock. The PSUs were originally granted on March 1, 2023 and were eligible to vest based on the Issuer achievement of certain performance objectives during the three-year performance period ending December 31, 2025. On February 10, 2026, the Compensation Committee of the Board of Directors of the Issuer certified the Issuer achievement relative to the applicable performance objectives and approved the vesting of the PSUs with respect to these shares effective March 1, 2026.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents the number of shares of common stock issued upon the vesting of performance stock units (PSUs), net of shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested PSUs. Each PSU represented a contingent right to receive shares of the Issuers common stock. The PSUs were originally granted on March 1, 2023 and were eligible to vest based on the Issuer achievement of certain performance objectives during the three-year performance period ending December 31, 2025. On February 10, 2026, the Compensation Committee of the Board of Directors of the Issuer certified the Issuer achievement relative to the applicable performance objectives and approved the vesting of the PSUs with respect to these shares effective March 1, 2026.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents the number of shares of common stock issued upon the vesting of performance stock units (PSUs), net of shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested PSUs. Each PSU represented a contingent right to receive shares of the Issuers common stock. The PSUs were originally granted on March 1, 2023 and were eligible to vest based on the Issuer achievement of certain performance objectives during the three-year performance period ending December 31, 2025. On February 10, 2026, the Compensation Committee of the Board of Directors of the Issuer certified the Issuer achievement relative to the applicable performance objectives and approved the vesting of the PSUs with respect to these shares effective March 1, 2026.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.