Common use of Form of Notation of Guarantee Clause in Contracts

Form of Notation of Guarantee. For value received, the undersigned Guarantor (which term includes any successor Person under the Indenture hereinafter referred to) has unconditionally guaranteed to the extent set forth in, and subject to the provisions of, an indenture dated as of September 16, 2011 (the “Base Indenture”), as amended by the Ninth Supplemental Indenture, dated as of November 30, 2021 (the “Ninth Supplemental Indenture” and, together with the Base Indenture, and as the Base Indenture and the Ninth Supplemental Indenture may be further amended and supplemented from time to time, the “Indenture”) among CubeSmart, L.P. (the “Issuer”), the Parent Guarantor named therein and U.S. Bank National Association, as trustee (the “Trustee”), providing for the issuance of the 2028 Notes and 2032 Notes described therein, the due and punctual payment of the principal of and interest on the Notes to which this notation is affixed and all other amounts due and payable under the Indenture and the Notes to which this notation is affixed by the Issuer. The obligations of such Guarantor to the Holders of Notes to which this notation is affixed and to the Trustee pursuant to the Guarantee and the Indenture are expressly set forth in Article Fourteen of the Base Indenture and reference is hereby made to the Indenture for the precise terms of the Guarantee. CUBESMART By: Name: Title: To assign this Note, fill in the form below:

Form of Notation of Guarantee. For value received, the undersigned Guarantor (which term includes any successor Person under the Indenture hereinafter referred to) has unconditionally guaranteed to the extent set forth in, and subject to the provisions of, an indenture dated as of September 16June 20, 2011 2016 (the “Base Indenture”), as amended by the Ninth First Supplemental Indenture, dated as of November 30June 20, 2021 2016 (the “Ninth First Supplemental Indenture” and, together with the Base Indenture, and as the Base Indenture and the Ninth First Supplemental Indenture may be further amended and supplemented from time to time, the “Indenture”) among CubeSmart, L.P. Sovran Acquisition Limited Partnership (the “Issuer”), the Parent Guarantor named therein and U.S. Bank Xxxxx Fargo Bank, National Association, as trustee (the “Trustee”), providing for the issuance of the 2028 3.500% Senior Notes and 2032 Notes described thereindue 2026, the due and punctual payment of the principal of and interest on the Notes to which this notation is affixed and all other amounts due and payable under the Indenture and the Notes to which this notation is affixed by the Issuer. The obligations of such Guarantor to the Holders of Notes to which this notation is affixed and to the Trustee pursuant to the Guarantee and the Indenture are expressly set forth in Article Fourteen of the Base Indenture and reference is hereby made to the Indenture for the precise terms of the Guarantee. CUBESMART SOVRAN SELF STORAGE INC. By: Name: Title: To assign this Note, fill in the form below:

Form of Notation of Guarantee. For value received, the undersigned Guarantor (which term includes any successor Person under the Indenture hereinafter referred to) has unconditionally guaranteed to the extent set forth in, and subject to the provisions of, an indenture dated as of September 16June 20, 2011 2016 (the “Base Indenture”), as amended by the Ninth Third Supplemental Indenture, dated as of November 30June 3, 2021 2019 (the “Ninth Third Supplemental Indenture” and, together with the Base Indenture, and as the Base Indenture and the Ninth Third Supplemental Indenture may be further amended and supplemented from time to time, the “Indenture”) among CubeSmart, L.P. Life Storage LP (the “Issuer”), the Parent Guarantor named therein and U.S. Bank Xxxxx Fargo Bank, National Association, as trustee (the “Trustee”), providing for the issuance of the 2028 4.000% Senior Notes and 2032 Notes described thereindue 2029, the due and punctual payment of the principal of and interest on the Notes to which this notation is affixed and all other amounts due and payable under the Indenture and the Notes to which this notation is affixed by the Issuer. The obligations of such Guarantor to the Holders of Notes to which this notation is affixed and to the Trustee pursuant to the Guarantee and the Indenture are expressly set forth in Article Fourteen of the Base Indenture and reference is hereby made to the Indenture for the precise terms of the Guarantee. CUBESMART LIFE STORAGE, INC. By: Name: Title: To assign this Note, fill in the form below: (I) or (we) assign and transfer this Note to: and irrevocably appoint to transfer this Note on the books of the Issuer. The agent may substitute another to act for him. Date:

Form of Notation of Guarantee. For value received, the undersigned Guarantor (which term includes any successor Person under the Indenture hereinafter referred to) has unconditionally guaranteed to the extent set forth in, and subject to the provisions of, an indenture dated as of September 16June 20, 2011 2016 (the “Base Indenture”), as amended by the Ninth Fourth Supplemental Indenture, dated as of November 30September 23, 2021 2020 (the “Ninth Fourth Supplemental Indenture” and, together with the Base Indenture, and as the Base Indenture and the Ninth Fourth Supplemental Indenture may be further amended and supplemented from time to time, the “Indenture”) among CubeSmart, L.P. Life Storage LP (the “Issuer”), the Parent Guarantor named therein and U.S. Bank Xxxxx Fargo Bank, National Association, as trustee (the “Trustee”), providing for the issuance of the 2028 2.200% Senior Notes and 2032 Notes described thereindue 2030, the due and punctual payment of the principal of and interest on the Notes to which this notation is affixed and all other amounts due and payable under the Indenture and the Notes to which this notation is affixed by the Issuer. The obligations of such Guarantor to the Holders of Notes to which this notation is affixed and to the Trustee pursuant to the Guarantee and the Indenture are expressly set forth in Article Fourteen of the Base Indenture and reference is hereby made to the Indenture for the precise terms of the Guarantee. CUBESMART LIFE STORAGE, INC. By: Name: Title: To assign this Note, fill in the form below: (I) or (we) assign and transfer this Note to: and irrevocably appoint to transfer this Note on the books of the Issuer. The agent may substitute another to act for him. Date:

Form of Notation of Guarantee. For value received, the undersigned Guarantor (which term includes any successor Person under the Indenture hereinafter referred to) has unconditionally guaranteed to the extent set forth in, and subject to the provisions of, an indenture dated as of September 16, 2011 (the “Base Indenture”), as amended by the Ninth Eighth Supplemental Indenture, dated as of November 30October 6, 2021 2020 (the “Ninth Eighth Supplemental Indenture” and, together with the Base Indenture, and as the Base Indenture and the Ninth Eighth Supplemental Indenture may be further amended and supplemented from time to time, the “Indenture”) among CubeSmart, L.P. (the “Issuer”), the Parent Guarantor named therein and U.S. Bank National Association, as trustee (the “TrusteeTrustee ”), providing for the issuance of the 2028 2.000% Senior Notes and 2032 Notes described thereindue 2031, the due and punctual payment of the principal of and interest on the Notes to which this notation is affixed and all other amounts due and payable under the Indenture and the Notes to which this notation is affixed by the Issuer. The obligations of such Guarantor to the Holders of Notes to which this notation is affixed and to the Trustee pursuant to the Guarantee and the Indenture are expressly set forth in Article Fourteen of the Base Indenture and reference is hereby made to the Indenture for the precise terms of the Guarantee. CUBESMART By: Name: Title: To assign this Note, fill in the form below:

Form of Notation of Guarantee. For value received, the undersigned Guarantor (which term includes any successor Person under the Indenture hereinafter referred to) has unconditionally guaranteed to the extent set forth in, and subject to the provisions of, an indenture dated as of September 16, 2011 (the ““ Base Indenture”), as amended by the Ninth Sixth Supplemental Indenture, dated as of November January 30, 2021 2019 (the “Ninth Sixth Supplemental Indenture” and, together with the Base Indenture, and as the Base Indenture and the Ninth Sixth Supplemental Indenture may be further amended and supplemented from time to time, the “Indenture”) among CubeSmart, L.P. (the “Issuer”), the Parent Guarantor named therein and U.S. Bank National Association, as trustee (the “Trustee”Trustee “), providing for the issuance of the 2028 4.375% Senior Notes and 2032 Notes described thereindue 2029, the due and punctual payment of the principal of and interest on the Notes to which this notation is affixed and all other amounts due and payable under the Indenture and the Notes to which this notation is affixed by the Issuer. The obligations of such Guarantor to the Holders of Notes to which this notation is affixed and to the Trustee pursuant to the Guarantee and the Indenture are expressly set forth in Article Fourteen of the Base Indenture and reference is hereby made to the Indenture for the precise terms of the Guarantee. CUBESMART By: Name: Title: To assign this Note, fill in the form below:

Form of Notation of Guarantee. For value received, the undersigned Guarantor (which term includes any successor Person under the Indenture hereinafter referred to) has unconditionally guaranteed to the extent set forth in, and subject to the provisions of, an indenture dated as of September 16, 2011 (the ““ Base Indenture”), as amended by the Ninth Seventh Supplemental Indenture, dated as of November 30October 11, 2021 2019 (the “Ninth Seventh Supplemental Indenture” and, together with the Base Indenture, and as the Base Indenture and the Ninth Seventh Supplemental Indenture may be further amended and supplemented from time to time, the “Indenture”) among CubeSmart, L.P. (the “Issuer”), the Parent Guarantor named therein and U.S. Bank National Association, as trustee (the “TrusteeTrustee ”), providing for the issuance of the 2028 3.000% Senior Notes and 2032 Notes described thereindue 2030, the due and punctual payment of the principal of and interest on the Notes to which this notation is affixed and all other amounts due and payable under the Indenture and the Notes to which this notation is affixed by the Issuer. The obligations of such Guarantor to the Holders of Notes to which this notation is affixed and to the Trustee pursuant to the Guarantee and the Indenture are expressly set forth in Article Fourteen of the Base Indenture and reference is hereby made to the Indenture for the precise terms of the Guarantee. CUBESMART By: Name: Title: To assign this Note, fill in the form below:

Form of Notation of Guarantee. For value received, the undersigned Guarantor (which term includes any successor Person under the Indenture hereinafter referred to) has unconditionally guaranteed to the extent set forth in, and subject to the provisions of, an indenture dated as of September 16June 20, 2011 2016 (the “Base Indenture”), as amended by the Ninth Fifth Supplemental Indenture, dated as of November 30October 7, 2021 (the “Ninth Fifth Supplemental Indenture” and, together with the Base Indenture, and as the Base Indenture and the Ninth Fifth Supplemental Indenture may be further amended and supplemented from time to time, the “Indenture”) among CubeSmart, L.P. Life Storage LP (the “Issuer”), the Parent Guarantor named therein and U.S. Bank Xxxxx Fargo Bank, National Association, as trustee (the “Trustee”), providing for the issuance of the 2028 2.400% Senior Notes and 2032 Notes described thereindue 2031, the due and punctual payment of the principal of and interest on the Notes to which this notation is affixed and all other amounts due and payable under the Indenture and the Notes to which this notation is affixed by the Issuer. The obligations of such Guarantor to the Holders of Notes to which this notation is affixed and to the Trustee pursuant to the Guarantee and the Indenture are expressly set forth in Article Fourteen of the Base Indenture and reference is hereby made to the Indenture for the precise terms of the Guarantee. CUBESMART LIFE STORAGE, INC. By: Name: Title: To assign this Note, fill in the form below: