Common use of Section 83 Safe Harbor Clause in Contracts

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this Agreement to modify Article 6 to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this Agreement to modify Article 6 to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an a LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this Agreement to modify Article 6 to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.

Section 83 Safe Harbor. Each Partner Member authorizes the General Partner Managing Member to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Membership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner Managing Member determines that the Partnership Company should make such election, the General Partner Managing Member is hereby authorized to amend this Agreement without the consent of any other Partner Member to provide that (i) the Partnership Company is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership Company and each of its Partners Members (including any Person to whom a Partnership Membership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Membership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership Company and each of its Partners Members will take all actions necessary, including providing the Partnership Company with any required information, to permit the Partnership Company to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner Managing Member determines, in its sole discretion, that the Partnership Company should terminate such election. The General Partner Managing Member is further authorized to amend this Agreement to modify Article 6 to the extent the General Partner Managing Member determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Membership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this Agreement, each Partner Member expressly confirms that it will be legally bound by any such amendment.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP UnitUnit or Performance Units, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this Agreement to modify Article 6 to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l3(1) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole and absolute discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this Agreement to modify Article 6 to the extent the General Partner determines in its sole and absolute discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Internal Revenue Service Revenue Procedure published in Notice 2005-2005- 43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are ​ promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this the Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this the Agreement to modify Article 6 Section 5.01(a) of the Agreement to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this the Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.. ​ ​ ​ ANNEX I NOTICE OF ELECTION BY PARTNER TO CONVERT LTIP UNITS INTO PARTNERSHIP COMMON UNITS The undersigned holder of LTIP Units hereby irrevocably (i) elects to convert as of the Conversion Date set forth below the number of LTIP Units in United Dominion Realty, L.P. (the “Partnership”) set forth below into Partnership Common Units in accordance with the terms of the Amended and Restated Agreement of Limited Partnership of the Partnership, as amended; and (ii) directs that any cash in lieu of Partnership Common Units that may be deliverable upon such conversion be delivered to the address specified below. The undersigned hereby represents, warrants, and certifies that the undersigned (a) has title to such LTIP Units, free and clear of the rights or interests of any other person or entity other than the Partnership; (b) has the full right, power, and authority to cause the conversion of such LTIP Units as provided herein; and (c) has obtained the consent or approval of all persons or entities, if any, having the right to consent or approve such conversion. Name of LTIP Unit Holder:​ ​ Please Print Name as Registered with Partnership ​ Number of LTIP Units to be Converted:​ ​ ​ Conversion Date:​ ​ ​ ​ ​​ (Signature of LTIP Unit Holder) ​ ​ ​​ (Street Address) ​ ​ ​​ (City)(State)(Zip Code) ​ ​ ​ ​ Issue Check Payable to:​ ​ ​ ​ ​​ ​ Please insert social security or identifying number: ​ ​​ ​ ​ Annex I ​ ANNEX II NOTICE OF ELECTION BY PARTNERSHIP TO FORCE CONVERSION OF LTIP UNITS INTO PARTNERSHIP COMMON UNITS United Dominion Realty, L.P. (the “Partnership”) hereby irrevocably elects to cause as of the Conversion Date set forth below the number of LTIP Units held by the LTIP Unit holder set forth below to be converted into Partnership Common Units in accordance with the terms of Amended and Restated Agreement of Limited Partnership of the Partnership, as amended. Name of LTIP Unit Holder:​ ​ Name as Registered with Partnership ​ Number of LTIP Units to be Converted:​ ​ ​ Conversion Date:​ ​ ​ ​ Annex II ​ ANNEX III NOTICE OF AUTOMATIC CONVERSION OF LTIP UNITS INTO PARTNERSHIP COMMON UNITS United Dominion Realty, L.P. (the “Partnership”) hereby gives you notice that the number of LTIP Units held by the LTIP Unit holder set forth below have been converted into Partnership Common Units in accordance with the terms of the Amended and Restated Agreement of Limited Partnership of the Partnership, as amended, effective as of the Conversion Date set forth below. Name of LTIP Unit Holder:​ ​ Name as Registered with Partnership ​ Number of LTIP Units to be Converted:​ ​ ​ Conversion Date:​ ​ ​ ​ Annex III ANNEX IV

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Internal Revenue Service Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this the Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect effect, and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this the Agreement to modify Article 6 of the Agreement to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this the Agreement, each Partner expressly confirms that it will be legally bound by any such amendment. ANNEX I TO EXHIBIT P NOTICE OF CONVERSION OF LTIP UNITS To: AIMCO Properties, L.P. c/o AIMCO-GP, Inc. 0000 Xxxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, Xxxxxxxx 00000 Attention: Investor Relations The undersigned holder of LTIP Units hereby irrevocably elects to convert the number of LTIP Units in AIMCO Properties, L.P. (the “Partnership”) set forth below into Partnership Common Units in accordance with the terms of the Sixth Amended and Restated Agreement of Limited Partnership of AIMCO Properties, L.P., dated as of [DATE OF SPIN-OFF], as it may be amended and supplemented from time to time (the “Agreement”). All capitalized terms used herein and not otherwise defined shall have the respective meanings ascribed thereto in the Partnership Unit Designation of the LTIP Units. The undersigned hereby represents, warrants, and agrees that: (i) the undersigned holder of LTIP Units has, and at the Conversion Date will have, good, marketable and unencumbered title to such LTIP Units, free and clear of the rights or interests of any other person or entity; (ii) the undersigned holder of LTIP Units has, and at the Conversion Date will have, the full right, power and authority to convert such LTIP Units as provided herein; and (iii) the undersigned holder of LTIP Units has obtained the consent or approval of all persons and entities, if any, having the right to consent to or approve such conversion. Name of Holder: Dated: Number of LTIP Units to be converted: Conversion Date: (Signature of Holder) (Street Address) (City) (State) (Zip Code) Medallion Guarantee: THE SIGNATURE SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS), WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM PURSUANT TO SEC RULE 17Ad-15.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Internal Revenue Service Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this the Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect effect, and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this the Agreement to modify Article 6 of the Agreement to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this the Agreement, each Partner expressly confirms that it will be legally bound by any such amendment. ANNEX I TO EXHIBIT F NOTICE OF CONVERSION OF LTIP UNITS To: Aimco OP L.P. c/o Aimco OP GP, LLC 0000 Xxxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, Xxxxxxxx 00000 Attention: Investor Relations The undersigned holder of LTIP Units hereby irrevocably elects to convert the number of LTIP Units in Aimco OP L.P. (the “Partnership”) set forth below into Partnership Common Units in accordance with the terms of the Amended and Restated Agreement of Limited Partnership of Aimco OP L.P., dated as of [DATE OF SPIN-OFF], as it may be amended and supplemented from time to time (the “Agreement”). All capitalized terms used herein and not otherwise defined shall have the respective meanings ascribed thereto in the Partnership Unit Designation of the LTIP Units. The undersigned hereby represents, warrants, and agrees that: (i) the undersigned holder of LTIP Units has, and at the Conversion Date will have, good, marketable and unencumbered title to such LTIP Units, free and clear of the rights or interests of any other person or entity; (ii) the undersigned holder of LTIP Units has, and at the Conversion Date will have, the full right, power and authority to convert such LTIP Units as provided herein; and (iii) the undersigned holder of LTIP Units has obtained the consent or approval of all persons and entities, if any, having the right to consent to or approve such conversion. Name of Holder: _____________ Dated: ____________ Number of LTIP Units to be converted: _________ Conversion Date: (Signature of Holder) (Street Address) (City) (State) (Zip Code) Medallion Guarantee: THE SIGNATURE SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS), WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM PURSUANT TO SEC RULE 17Ad-15.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this Agreement to modify Article 6 to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.. 103

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Internal Revenue Service Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this the Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect effect, and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this the Agreement to modify Article 6 of the Agreement to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this the Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.. ANNEX I TO EXHIBIT P NOTICE OF CONVERSION OF LTIP UNITS To: AIMCO Properties, L.P. c/o AIMCO-GP, Inc. 0000 Xxxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, Xxxxxxxx 00000 Attention: Investor Relations The undersigned holder of LTIP Units hereby irrevocably elects to convert the number of LTIP Units in AIMCO Properties, L.P. (the “Partnership”) set forth below into Partnership Common Units in accordance with the terms of the Sixth Amended and Restated Agreement of Limited Partnership of AIMCO Properties, L.P., dated as of December 14, 2020, as it may be amended and supplemented from time to time (the “Agreement”). All capitalized terms used herein and not otherwise defined shall have the respective meanings ascribed thereto in the Partnership Unit Designation of the LTIP Units. The undersigned hereby represents, warrants, and agrees that: (i) the undersigned holder of LTIP Units has, and at the Conversion Date will have, good, marketable and unencumbered title to such LTIP Units, free and clear of the rights or interests of any other person or entity; (ii) the undersigned holder of LTIP Units has, and at the Conversion Date will have, the full right, power and authority to convert such LTIP Units as provided herein; and (iii) the undersigned holder of LTIP Units has obtained the consent or approval of all persons and entities, if any, having the right to consent to or approve such conversion. Name of Holder: _____________ Dated: ____________ Number of LTIP Units to be converted: _________ Conversion Date: (Signature of Holder) (Street Address) (City) (State) (Zip Code) THE SIGNATURE SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS), WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM PURSUANT TO SEC RULE 17Ad-15. EXHIBIT Q PARTNERSHIP UNIT DESIGNATION OF THE CLASS ELEVEN PARTNERSHIP PREFERRED UNITS OF AIMCO PROPERTIES, L.P.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Internal Revenue Service Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this the Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect effect, and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this the Agreement to modify Article 6 of the Agreement to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this the Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.. ANNEX I TO EXHIBIT P NOTICE OF CONVERSION OF LTIP UNITS To: AIMCO Properties, L.P. c/o AIMCO-GP, Inc. 0000 Xxxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, Xxxxxxxx 00000 Attention: Investor Relations The undersigned holder of LTIP Units hereby irrevocably elects to convert the number of LTIP Units in AIMCO Properties, L.P. (the “Partnership”) set forth below into Partnership Common Units in accordance with the terms of the Sixth Amended and Restated Agreement of Limited Partnership of AIMCO Properties, L.P., dated as of [DATE OF SPIN-OFF], as it may be amended and supplemented from time to time (the “Agreement”). All capitalized terms used herein and not otherwise defined shall have the respective meanings ascribed thereto in the Partnership Unit Designation of the LTIP Units. The undersigned hereby represents, warrants, and agrees that: (i) the undersigned holder of LTIP Units has, and at the Conversion Date will have, good, marketable and unencumbered title to such LTIP Units, free and clear of the rights or interests of any other person or entity; (ii) the undersigned holder of LTIP Units has, and at the Conversion Date will have, the full right, power and authority to convert such LTIP Units as provided herein; and (iii) the undersigned holder of LTIP Units has obtained the consent or approval of all persons and entities, if any, having the right to consent to or approve such conversion. Name of Holder: Dated: Number of LTIP Units to be converted: Conversion Date: (Signature of Holder) (Street Address) (City) (State) (Zip Code) Medallion Guarantee: THE SIGNATURE SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS), WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM PURSUANT TO SEC RULE 17Ad-15. EXHIBIT Q PARTNERSHIP UNIT DESIGNATION OF THE CLASS [—] PARTNERSHIP PREFERRED UNITS OF AIMCO PROPERTIES, L.P.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Internal Revenue Service Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this the Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this the Agreement to modify Article 6 Section 5.01(a) of the Agreement to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this the Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.. ANNEX I NOTICE OF ELECTION BY PARTNER TO CONVERT LTIP UNITS INTO PARTNERSHIP COMMON UNITS The undersigned holder of LTIP Units hereby irrevocably (i) elects to convert the number of LTIP Units in United Dominion Realty, L.P. (the “Partnership”) set forth below into Partnership Common Units in accordance with the terms of the Amended and Restated Agreement of Limited Partnership of the Partnership, as amended; and (ii) directs that any cash in lieu of Partnership Common Units that may be deliverable upon such conversion to be deliverable upon such conversion be delivered to the address specified below. The undersigned hereby represents, warrants, and certifies that the undersigned (a) has title to such LTIP Units, free and clear of the rights or interests of any other person or entity other than the Partnership; (b) has the full right, power, and authority to cause the conversion of such LTIP Units as provided herein; and (c) has obtained the consent or approval of all persons or entities, if any, having the right to consent or approve such conversion. Name of LTIP Unit Holder: Please Print Name as Registered with Partnership Number of LTIP Units to be Converted: Date of this Notice: (Signature of LTIP Unit Holder) (Street Address) (City) (State) (Zip Code) Signature Medallion Guaranteed by: Issue Check Payable to: Please insert social securityor identifying number: Annex I ANNEX II NOTICE OF ELECTION BY PARTNERSHIP TO FORCE CONVERSION OF LTIP UNITS INTO PARTNERSHIP COMMON UNITS United Dominion Realty, L.P. (the “Partnership”) hereby irrevocably (i) elects to cause the number of LTIP Units held by the LTIP Unit holder set forth below to be converted into Partnership Common Units in accordance with the terms of Amended and Restated Agreement of Limited Partnership of the Partnership, as amended. Name of LTIP Unit Holder: Please Print Name as Registered with Partnership Number of LTIP Units to be Converted: Date of this Notice:

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit or Performance Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this Agreement to modify Article 6 to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.. 106 ARTICLE 19

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l3(1) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit or Performance Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this Agreement to modify Article 6 to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Internal Revenue Service Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this the Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this the Agreement to modify Article 6 Section 5.01(a) of the Agreement to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this the Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.. ANNEX I NOTICE OF ELECTION BY PARTNER TO CONVERT LTIP UNITS INTO PARTNERSHIP COMMON UNITS The undersigned holder of LTIP Units hereby irrevocably (i) elects to convert as of the Conversion Date set forth below the number of LTIP Units in United Dominion Realty, L.P. (the “Partnership”) set forth below into Partnership Common Units in accordance with the terms of the Amended and Restated Agreement of Limited Partnership of the Partnership, as amended; and (ii) directs that any cash in lieu of Partnership Common Units that may be deliverable upon such conversion to be deliverable upon such conversion be delivered to the address specified below. The undersigned hereby represents, warrants, and certifies that the undersigned (a) has title to such LTIP Units, free and clear of the rights or interests of any other person or entity other than the Partnership; (b) has the full right, power, and authority to cause the conversion of such LTIP Units as provided herein; and (c) has obtained the consent or approval of all persons or entities, if any, having the right to consent or approve such conversion. Name of LTIP Unit Holder: Please Print Name as Registered with Partnership Number of LTIP Units Converted: Conversion Date: (Signature of LTIP Unit Holder) (Street Address) (City) (State) (Zip Code) Issue Check Payable to: Please insert social security or identifying number Annex I ANNEX II NOTICE OF ELECTION BY PARTNERSHIP TO FORCE CONVERSION OF LTIP UNITS INTO PARTNERSHIP COMMON UNITS United Dominion Realty, L.P. (the “Partnership”) hereby irrevocably elects to cause as of the Conversion Date set forth below the number of LTIP Units held by the LTIP Unit holder set forth below to be converted into Partnership Common Units in accordance with the terms of Amended and Restated Agreement of Limited Partnership of the Partnership, as amended. Name of LTIP Unit Holder: Please Print Name as Registered with Partnership Number of LTIP Units Converted: Conversion Date: Annex II ANNEX III NOTICE OF AUTOMATIC CONVERSION OF LTIP UNITS INTO PARTNERSHIP COMMON UNITS United Dominion Realty, L.P. (the “Partnership”) hereby gives you notice that the number of LTIP Units held by the LTIP Unit holder set forth below have been converted into Partnership Common Units in accordance with the terms of the Amended and Restated Agreement of Limited Partnership of the Partnership, as amended, effective as of the Conversion Date set forth below. Name of LTIP Unit Holder: Please Print Name as Registered with Partnership Number of LTIP Units Converted: Conversion Date:

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Internal Revenue Service Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this the Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect effect, and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole and absolute discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this the Agreement to modify Article 6 of the Agreement to the extent the General Partner determines in its sole and absolute discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this the Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.. ANNEX I TO EXHIBIT C NOTICE OF CONVERSION OF LTIP UNITS To: CyrusOne LP c/o CyrusOne GP 0000 Xxxxx Xxxxxxx Xxxx, Xxxxx 000 Xxxxxx, Xxxxx 00000 Attention: Investor Relations The undersigned holder of LTIP Units hereby irrevocably elects to convert the number of LTIP Units in CyrusOne LP (the “Partnership”) set forth below into Partnership Common Units in accordance with the terms of the Amended and Restated Agreement of Limited Partnership of CyrusOne LP, dated as of May 2, 2016, as amended or supplemented from time to time (the “Agreement”). All capitalized terms used herein and not otherwise defined shall have the respective meanings ascribed thereto in the Partnership Unit Designation of the LTIP Units. The undersigned hereby represents, warrants, and agrees that: (i) the undersigned holder of LTIP Units has, and at the Conversion Date will have, good, marketable and unencumbered title to such LTIP Units, free and clear of the rights or interests of any other person or entity; (ii) the undersigned holder of LTIP Units has, and at the Conversion Date will have, the full right, power and authority to convert such LTIP Units as provided herein; and (iii) the undersigned holder of LTIP Units has obtained the consent or approval of all persons and entities, if any, having the right to consent to or approve such conversion. Name of Holder: Dated: Number of LTIP Units to be converted: Conversion Date: (Signature of Holder) (Street Address) (City) (State) (Zip Code)

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l3(1) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit or Performance Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this Agreement to modify Article 6 to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.. 117 of 125 Article 19 PERFORMANCE UNITS

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Internal Revenue Service Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this the Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect effect, and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this the Agreement to modify Article 6 of the Agreement to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this the Agreement, each Partner expressly confirms that it will be legally bound by any such amendment. ANNEX I TO EXHIBIT BB NOTICE OF CONVERSION OF LTIP UNITS To: AIMCO Properties, L.P. c/o AIMCO-GP, Inc. 0000 Xxxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, Xxxxxxxx 00000 Attention: Investor Relations The undersigned holder of LTIP Units hereby irrevocably elects to convert the number of LTIP Units in AIMCO Properties, L.P. (the “Partnership”) set forth below into Partnership Common Units in accordance with the terms of the Fourth Amended and Restated Agreement of Limited Partnership of AIMCO Properties, L.P., dated as of July 29, 1994, as it may be amended and supplemented from time to time (the “Agreement”). All capitalized terms used herein and not otherwise defined shall have the respective meanings ascribed thereto in the Partnership Unit Designation of the LTIP Units. The undersigned hereby represents, warrants, and agrees that: (i) the undersigned holder of LTIP Units has, and at the Conversion Date will have, good, marketable and unencumbered title to such LTIP Units, free and clear of the rights or interests of any other person or entity; (ii) the undersigned holder of LTIP Units has, and at the Conversion Date will have, the full right, power and authority to convert such LTIP Units as provided herein; and (iii) the undersigned holder of LTIP Units has obtained the consent or approval of all persons and entities, if any, having the right to consent to or approve such conversion. Name of Holder: Dated: Number of LTIP Units to be converted: Conversion Date: (Signature of Holder) (Street Address) (City) (State) (Zip Code) Medallion Guarantee: THE SIGNATURE SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS), WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM PURSUANT TO SEC RULE 17Ad-15.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Internal Revenue Service Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this the Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect effect, and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this the Agreement to modify Article 6 of the Agreement to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this the Agreement, each Partner expressly confirms that it will be legally bound by any such amendment. ANNEX I TO EXHIBIT F NOTICE OF CONVERSION OF LTIP UNITS To: Aimco OP L.P. c/o Aimco OP GP, LLC 0000 Xxxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, Xxxxxxxx 00000 Attention: Investor Relations The undersigned holder of LTIP Units hereby irrevocably elects to convert the number of LTIP Units in Aimco OP L.P. (the “Partnership”) set forth below into Partnership Common Units in accordance with the terms of the Amended and Restated Agreement of Limited Partnership of Aimco OP L.P., dated as of December 14, 2020, as it may be amended and supplemented from time to time (the “Agreement”). All capitalized terms used herein and not otherwise defined shall have the respective meanings ascribed thereto in the Partnership Unit Designation of the LTIP Units. The undersigned hereby represents, warrants, and agrees that: (i) the undersigned holder of LTIP Units has, and at the Conversion Date will have, good, marketable and unencumbered title to such LTIP Units, free and clear of the rights or interests of any other person or entity; (ii) the undersigned holder of LTIP Units has, and at the Conversion Date will have, the full right, power and authority to convert such LTIP Units as provided herein; and (iii) the undersigned holder of LTIP Units has obtained the consent or approval of all persons and entities, if any, having the right to consent to or approve such conversion. Name of Holder: _____________ Dated: ____________ Number of LTIP Units to be converted: _________ Conversion Date: (Signature of Holder) (Street Address) (City) (State) (Zip Code) Medallion Guarantee: THE SIGNATURE SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS), WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM PURSUANT TO SEC RULE 17Ad-15.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Internal Revenue Service Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this the Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect effect, and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole and absolute discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this the Agreement to modify Article 6 of the Agreement to the extent the General Partner determines in its sole and absolute discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this the Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.. ANNEX I TO EXHIBIT C NOTICE OF CONVERSION OF LTIP UNITS To: CyrusOne LP c/o CyrusOne GP 0000 X. Xxxxxxx Street, Suite 2200 Dallas, Texas 75201 Attention: Investor Relations The undersigned holder of LTIP Units hereby irrevocably elects to convert the number of LTIP Units in CyrusOne LP (the “Partnership”) set forth below into Partnership Common Units in accordance with the terms of the Amended and Restated Agreement of Limited Partnership of CyrusOne LP, dated as of May 2, 2016, as amended or supplemented from time to time (the “Agreement”). All capitalized terms used herein and not otherwise defined shall have the respective meanings ascribed thereto in the Partnership Unit Designation of the LTIP Units. The undersigned hereby represents, warrants, and agrees that: (i) the undersigned holder of LTIP Units has, and at the Conversion Date will have, good, marketable and unencumbered title to such LTIP Units, free and clear of the rights or interests of any other person or entity; (ii) the undersigned holder of LTIP Units has, and at the Conversion Date will have, the full right, power and authority to convert such LTIP Units as provided herein; and (iii) the undersigned holder of LTIP Units has obtained the consent or approval of all persons and entities, if any, having the right to consent to or approve such conversion. Name of Holder: Dated: Number of LTIP Units to be converted: Conversion Date: (Signature of Holder) (Street Address) (City) (State) (Zip Code)

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, Interest is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this Agreement to modify Article 6 to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Internal Revenue Service Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this the Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect effect, and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this the Agreement to modify Article 6 of the Agreement to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this the Agreement, each Partner expressly confirms that it will be legally bound by any such amendment. ANNEX I TO EXHIBIT P NOTICE OF CONVERSION OF LTIP UNITS To: AIMCO Properties, L.P. c/o AIMCO-GP, Inc. 0000 Xxxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, Xxxxxxxx 00000 Attention: Investor Relations The undersigned holder of LTIP Units hereby irrevocably elects to convert the number of LTIP Units in AIMCO Properties, L.P. (the “Partnership”) set forth below into Partnership Common Units in accordance with the terms of the Fourth Amended and Restated Agreement of Limited Partnership of AIMCO Properties, L.P., dated as of July 29, 1994, as it may be amended and supplemented from time to time (the “Agreement”). All capitalized terms used herein and not otherwise defined shall have the respective meanings ascribed thereto in the Partnership Unit Designation of the LTIP Units. The undersigned hereby represents, warrants, and agrees that: (i) the undersigned holder of LTIP Units has, and at the Conversion Date will have, good, marketable and unencumbered title to such LTIP Units, free and clear of the rights or interests of any other person or entity; (ii) the undersigned holder of LTIP Units has, and at the Conversion Date will have, the full right, power and authority to convert such LTIP Units as provided herein; and (iii) the undersigned holder of LTIP Units has obtained the consent or approval of all persons and entities, if any, having the right to consent to or approve such conversion. Name of Holder: _____________ Dated: ____________ Number of LTIP Units to be converted: _________ Conversion Date: _____________________________________________ (Signature of Holder) _____________________________________________ (Xxxxxx Xxxxxxx) _____________________________________________ (City) (State) (Zip Code) Medallion Guarantee: THE SIGNATURE SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS), WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM PURSUANT TO SEC RULE 17Ad-15.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, Interest is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this Agreement to modify Article 6 to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any Table of Contents applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this Agreement without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election 105 to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this Agreement to modify Article 6 to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this Agreement, each Partner expressly confirms that it will be legally bound by any such amendment.

Section 83 Safe Harbor. Each Partner authorizes the General Partner to elect to apply the safe harbor (the “Section 83 Safe Harbor”) set forth in proposed Regulations Section 1.83-3(l) and proposed IRS Revenue Procedure published in Notice 2005-43 (together, the “Proposed Section 83 Safe Harbor Regulation”) (under which the fair market value of a Partnership Interest that is Transferred transferred in connection with the performance of services is treated as being equal to the liquidation value of the interest) ), or in similar Regulations or guidance, if such Proposed Section 83 Safe Harbor Regulation or similar Regulations are promulgated as a final or temporary Regulations. If the General Partner determines that the Partnership should make such election, the General Partner is hereby authorized to amend this Agreement Amendment without the consent of any other Partner to provide that (i) the Partnership is authorized and directed to elect the Section 83 Safe Harbor, (ii) the Partnership and each of its Partners (including any Person to whom a Partnership Interest, including an LTIP Unit, is Transferred transferred in connection with the performance of services) will comply with all requirements of the Section 83 Safe Harbor with respect to all Partnership Interests Transferred transferred in connection with the performance of services while such election remains in effect and (iii) the Partnership and each of its Partners will take all actions necessary, including providing the Partnership with any required information, to permit the Partnership to comply with the requirements set forth or referred to in the applicable Regulations for such election to be effective until such time (if any) as the General Partner determines, in its sole discretion, that the Partnership should terminate such election. The General Partner is further authorized to amend this Agreement Amendment to modify Article 6 it to the extent the General Partner determines in its discretion that such modification is necessary or desirable as a result of the issuance of any applicable law, Regulations, notice or ruling relating to the tax treatment of the transfer of a Partnership Interests in connection with the performance of services. Notwithstanding anything to the contrary in this AgreementAmendment, each Partner expressly confirms that it will be legally bound by any such amendment.