Biggest changeDate of Filing Exhibit No. 10.23 First Amendment to 3-Year Term Loan Agreement, dated as of December 8, 2021, among the Company, as Borrower, Bank of America, N.A., as Administrative Agent, and certain other lenders under the Company’s 3-Year Term Loan Agreement, dated as of February 10, 2021 10-K 001-14195 February 25, 2022 10.28 10.24 Third Amended and Restated Multicurrency Revolving Credit Agreement, dated as of December 8, 2021, among the Company and certain of its subsidiaries, as Borrower, Toronto Dominion (Texas) LLC, as Administrative Agent and Swingline Lender, BofA Securities, Inc., TD Securities (USA) LLC, Mizuho Bank, Ltd., Barclays Bank PLC, Citibank, N.A., JPMorgan Chase Bank, N.A., RBC Capital Markets and Morgan Stanley MUFG Loan Partners, LLC, as Joint Lead Arrangers and Joint Bookrunners, Mizuho Bank, Ltd., as Syndication Agent, and BofA Securities, Inc., Barclays Bank PLC, Citibank, N.A, JPMorgan Chase Bank, N.A., Royal Bank of Canada and Morgan Stanley MUFG Loan Partners, LLC, as Co-Documentation Agents 10-K 001-14195 February 25, 2022 10.29 10.25 Fourth Amended and Restated Revolving Credit Agreement, dated as of December 8, 2021, among the Company, as Borrower, Toronto Dominion (Texas) LLC, as Administrative Agent and Swingline Lender, BofA Securities, Inc., TD Securities (USA) LLC, Mizuho Bank, Ltd., Barclays Bank PLC, Citibank, N.A., JPMorgan Chase Bank, N.A., RBC Capital Markets and Morgan Stanley MUFG Loan Partners, LLC, as Joint Lead Arrangers and Joint Bookrunners, Mizuho Bank, Ltd., as Syndication Agent, and BofA Securities, Inc., Barclays Bank PLC, Citibank, N.A, JPMorgan Chase Bank, N.A., Royal Bank of Canada and Morgan Stanley MUFG Loan Partners, LLC, as Co-Documentation Agents 10-K 001-14195 February 25, 2022 10.30 10.26 Second Amended and Restated Term Loan Agreement, dated as of December 8, 2021, among the Company, as Borrower, Mizuho Bank, Ltd., as Administrative Agent; TD Securities (USA) LLC, as Syndication Agent, Bank of America, N.A., Barclays Bank PLC, Citibank, N.A, JPMorgan Chase Bank, N.A., Morgan Stanley MUFG Loan Partners, LLC and Royal Bank of Canada as Co-Documentation Agents, Mizuho Bank, Ltd., TD Securities (USA) LLC, Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., JPMorgan Chase Bank, N.A., Morgan Stanley MUFG Loan Partners, LLC and RBC Capital Markets as Joint Lead Arrangers and Joint Bookrunners, and the several other lenders that are parties thereto 10-K 001-14195 February 25, 2022 10.31 65 Table of Contents Incorporated By Reference Exhibit No.
Biggest changeDate of Filing Exhibit No. 10.32 3-Year Term Loan Agreement, dated as of February 10, 2021, among the Company, as Borrower, Bank of America, N.A., as Administrative Agent, TD Securities (USA), LLC and Mizuho Bank, Ltd. as Syndication Agents, BofA Securities, Inc., TD Securities (USA), LLC, Mizuho Bank, Ltd., Barclays Bank PLC, Citibank, N.A., JPMorgan Chase Bank, N.A., RBC Capital Markets and Morgan Stanley MUFG Loan Partners, LLC as Joint Lead Arrangers and Joint Bookrunners, and Barclays Bank PLC, Citibank, N.A., JPMorgan Chase Bank, N.A., Royal Bank of Canada and Morgan Stanley MUFG Loan Partners, LLC, as Co-Documentation Agents 10-K 001-14195 February 25, 2021 10.45 10.33 First Amendment to 3-Year Term Loan Agreement, dated as of December 8, 2021, among the Company, as Borrower, Bank of America, N.A., as Administrative Agent, and certain other lenders under the Company’s 3-Year Term Loan Agreement, dated as of February 10, 2021 10-K 001-14195 February 25, 2022 10.28 10.34 Third Amended and Restated Multicurrency Revolving Credit Agreement, dated as of December 8, 2021, among the Company and certain of its subsidiaries, as Borrower, Toronto Dominion (Texas) LLC, as Administrative Agent and Swingline Lender, BofA Securities, Inc., TD Securities (USA) LLC, Mizuho Bank, Ltd., Barclays Bank PLC, Citibank, N.A., JPMorgan Chase Bank, N.A., RBC Capital Markets and Morgan Stanley MUFG Loan Partners, LLC, as Joint Lead Arrangers and Joint Bookrunners, Mizuho Bank, Ltd., as Syndication Agent, and BofA Securities, Inc., Barclays Bank PLC, Citibank, N.A, JPMorgan Chase Bank, N.A., Royal Bank of Canada and Morgan Stanley MUFG Loan Partners, LLC, as Co-Documentation Agents 10-K 001-14195 February 25, 2022 10.29 10.35 Amendment No. 1 to the Third Amended and Restated Multicurrency Revolving Credit Agreement, dated as of June 29, 2023, among the Company and certain of its subsidiaries as borrowers, Toronto Dominion (Texas) LLC, as administrative agent, and a majority of lenders under the Third Amended and Restated Multicurrency Revolving Credit Agreement, dated as of December 8, 2021 10-Q 001-14195 July 27, 2023 10.2 10.36 Fourth Amended and Restated Revolving Credit Agreement, dated as of December 8, 2021, among the Company, as Borrower s , Toronto Dominion (Texas) LLC, as Administrative Agent and Swingline Lender, BofA Securities, Inc., TD Securities (USA) LLC, Mizuho Bank, Ltd., Barclays Bank PLC, Citibank, N.A., JPMorgan Chase Bank, N.A., RBC Capital Markets and Morgan Stanley MUFG Loan Partners, LLC, as Joint Lead Arrangers and Joint Bookrunners, Mizuho Bank, Ltd., as Syndication Agent, and BofA Securities, Inc., Barclays Bank PLC, Citibank, N.A, JPMorgan Chase Bank, N.A., Royal Bank of Canada and Morgan Stanley MUFG Loan Partners, LLC, as Co-Documentation Agents 10-K 001-14195 February 25, 2022 10.30 71 Table of Contents Incorporated By Reference Exhibit No.
Section 1350 Filed herewith as Exhibit 32 — — — 101 The following materials from American Tower Corporation’s Annual Report on Form 10-K for the year ended December 31, 2020, formatted in XBRL (Extensible Business Reporting Language): 101.SCH—Inline XBRL Taxonomy Extension Schema Document 101.CAL—Inline XBRL Taxonomy Extension Calculation Linkbase Document 101.LAB—Inline XBRL Taxonomy Extension Label Linkbase Document 101.PRE—Inline XBRL Taxonomy Extension Presentation Linkbase Document 101.DEF—Inline XBRL Taxonomy Extension Definition Filed herewith as Exhibit 101 — — — 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) — — — — * Management contracts and compensatory plans and arrangements required to be filed as exhibits to this Form 10-K pursuant to Item 15(a)(3). ** The exhibit has been filed separately with the Commission pursuant to an application for confidential treatment.
Section 1350 Filed herewith as Exhibit 32 — — — 97 American Tower Corporation Compensation Recovery Policy Filed herewith as Exhibit 97 — — — 101 The following materials from American Tower Corporation’s Annual Report on Form 10-K for the year ended December 31, 2020, formatted in XBRL (Extensible Business Reporting Language): 101.SCH—Inline XBRL Taxonomy Extension Schema Document 101.CAL—Inline XBRL Taxonomy Extension Calculation Linkbase Document 101.LAB—Inline XBRL Taxonomy Extension Label Linkbase Document 101.PRE—Inline XBRL Taxonomy Extension Presentation Linkbase Document 101.DEF—Inline XBRL Taxonomy Extension Definition Filed herewith as Exhibit 101 — — — 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) — — — — * Management contracts and compensatory plans and arrangements required to be filed as exhibits to this Form 10-K pursuant to Item 15(a)(3). ** The exhibit has been filed separately with the Commission pursuant to an application for confidential treatment.
The confidential portions of the exhibit have been omitted and are marked by an asterisk.
The confidential portions of the exhibit have been omitted and are marked by an asterisk. 73 Table of Contents
Date of Filing Exhibit No. 10.27 2-Year Term Loan Agreement, dated as of December 8, 2021, among the Company, as Borrower, JPMorgan Chase Bank, N.A., as Administrative Agent, TD Securities (USA), LLC and Mizuho Bank, Ltd. as Syndication Agents, JPMorgan Chase Bank, N.A., TD Securities (USA), LLC, Mizuho Bank, Ltd., BofA Securities, Inc., Barclays Bank PLC, Citibank, N.A., RBC Capital Markets and Morgan Stanley MUFG Loan Partners, LLC as Joint Lead Arrangers and Joint Bookrunners, and Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Royal Bank of Canada and Morgan Stanley MUFG Loan Partners, LLC, as Co-Documentation Agents 10-K 001-14195 February 25, 2022 10.33 10.28 Master Agreement, dated as of February 5, 2015, among the Company and Verizon Communications Inc. 10-K 001-14195 February 24, 2015 10.45 10.29 Master Prepaid Lease, dated as of March 27, 2015, among certain subsidiaries of the Company and Verizon Communications Inc. 10-Q 001-14195 April 30, 2015 10.8 10.30 Sale Site Master Lease Agreement, dated as of March 27, 2015, among certain subsidiaries of the Company, Verizon Communications Inc. and certain of its subsidiaries 10-Q 001-14195 April 30, 2015 10.9 10.31 MPL Site Master Lease Agreement, dated as of March 27, 2015, among Verizon Communications Inc. and certain of its subsidiaries and ATC Sequoia LLC 10-Q 001-14195 April 30, 2015 10.10 10.32 Management Agreement, dated as of March 27, 2015, among Verizon Communications Inc., and certain of its subsidiaries and ATC Sequoia LLC 10-Q 001-14195 April 30, 2015 10.11 10.33 Agreement For the Sale and Purchase of the Towers Europe Division of Telxius Telecom, S.A., dated as of January 13, 2021, between Telxius Telecom, S.A. and American Tower International, Inc. 10-K 001-14195 February 25, 2021 10.41 10.34 Agreement For the Sale and Purchase of the Towers LatAm Division of Telxius Telecom, S.A., dated as of January 13, 2021, between Telxius Telecom, S.A. and American Tower International, Inc. 10-K 001-14195 February 25, 2021 10.42 21 Subsidiaries of the Company Filed herewith as Exhibit 21 — — — 23 Consent of Independent Registered Public Accounting Firm—Deloitte & Touche LLP Filed herewith as Exhibit 23 — — — 31.1 Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 Filed herewith as Exhibit 31.1 — — — 66 Table of Contents Incorporated By Reference Exhibit No.
Date of Filing Exhibit No. 10.37 Amendment No. 1 to the Fourth Amended and Restated Revolving Credit Agreement, dated as of June 29, 2023, among the Company and certain of its subsidiaries as borrowers, Toronto Dominion (Texas) LLC, as administrative agent, and a majority of lenders under the Fourth Amended and Restated Revolving Credit Agreement, dated as of December 8, 2021 10-Q 001-14195 July 27, 2023 10.3 10.38 Second Amended and Restated Term Loan Agreement, dated as of December 8, 2021, among the Company, as Borrower, Mizuho Bank, Ltd., as Administrative Agent; TD Securities (USA) LLC, as Syndication Agent, Bank of America, N.A., Barclays Bank PLC, Citibank, N.A, JPMorgan Chase Bank, N.A., Morgan Stanley MUFG Loan Partners, LLC and Royal Bank of Canada as Co-Documentation Agents, Mizuho Bank, Ltd., TD Securities (USA) LLC, Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., JPMorgan Chase Bank, N.A., Morgan Stanley MUFG Loan Partners, LLC and RBC Capital Markets as Joint Lead Arrangers and Joint Bookrunners, and the several other lenders that are parties thereto 10-K 001-14195 February 25, 2022 10.31 10.39 Amendment No. 1 to the Second Amended and Restated Term Loan Agreement, dated as of June 29, 2023, among the Company, as borrower, Mizuho Bank, Ltd., as administrative agent, and a majority of the lenders under the Second Amended and Restated Term Loan Agreement, dated as of December 8, 2021 10-Q 001-14195 July 27, 2023 10.1 10.40 Master Agreement, dated as of February 5, 2015, among the Company and Verizon Communications Inc. 10-K 001-14195 February 24, 2015 10.45 10.41 Master Prepaid Lease, dated as of March 27, 2015, among certain subsidiaries of the Company and Verizon Communications Inc. 10-Q 001-14195 April 30, 2015 10.8 10.42 Sale Site Master Lease Agreement, dated as of March 27, 2015, among certain subsidiaries of the Company, Verizon Communications Inc. and certain of its subsidiaries 10-Q 001-14195 April 30, 2015 10.9 10.43 MPL Site Master Lease Agreement, dated as of March 27, 2015, among Verizon Communications Inc. and certain of its subsidiaries and ATC Sequoia LLC 10-Q 001-14195 April 30, 2015 10.10 10.44 Management Agreement, dated as of March 27, 2015, among Verizon Communications Inc., and certain of its subsidiaries and ATC Sequoia LLC 10-Q 001-14195 April 30, 2015 10.11 10.45 Agreement For the Sale and Purchase of the Towers Europe Division of Telxius Telecom, S.A., dated as of January 13, 2021, between Telxius Telecom, S.A. and American Tower International, Inc. 10-K 001-14195 February 25, 2021 10.41 10.46 Agreement For the Sale and Purchase of the Towers LatAm Division of Telxius Telecom, S.A., dated as of January 13, 2021, between Telxius Telecom, S.A. and American Tower International, Inc. 10-K 001-14195 February 25, 2021 10.42 72 Table of Contents Incorporated By Reference Exhibit No.
Item 5.02(e) 10.18 Form of Waiver and Termination Agreement 8-K 001-14195 March 5, 2009 10.4 10.19* American Tower Corporation Severance Plan, as amended 10-K 001-14195 March 1, 2010 10.35 10.20* American Tower Corporation Severance Plan, Program for Executive Vice Presidents and Chief Executive Officer, as amended 10-K 001-14195 March 1, 2010 10.36 10.21* Letter Agreement, dated as of October 2, 2022, by and between the Company and Ruth T.
Item 5.02(e) 10.27 Form of Waiver and Termination Agreement 8-K 001-14195 March 5, 2009 10.4 10.28* American Tower Corporation Severance Plan, as Amended and Restated, as of January 1, 2024 Filed herewith as Exhibit 10.28 — — — 10.29* American Tower Corporation Severance Plan, Program for Executive Vice Presidents and Chief Executive Officer, as of January 1, 2024 Filed herewith as Exhibit 10.29 — — — 10.30* Letter Agreement, dated as of October 25, 2023, by and between the Company and Eugene M.
Description of Document Form File No. Date of Filing Exhibit No. 31.2 Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 Filed herewith as Exhibit 31.2 — — — 32 Certifications filed pursuant to 18. U.S.C.
Date of Filing Exhibit No. 21 Subsidiaries of the Company Filed herewith as Exhibit 21 — — — 23 Consent of Independent Registered Public Accounting Firm—Deloitte & Touche LLP Filed herewith as Exhibit 23 — — — 31.1 Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 Filed herewith as Exhibit 31.1 — — — 31.2 Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 Filed herewith as Exhibit 31.2 — — — 32 Certifications filed pursuant to 18.