(AMT)

Role: EVP & President, LatAm & EMEA
Signature: /s/ Mneesha O. Nahata, as attorney-in-fact
Issuer symbol: AMT
Transactions as of: 24 Feb 2022
Net transactions value: $0
Form type: 4
Filing time: 28 Feb 2022, 18:57:33 UTC
Previous filing: 04 Jan 2022
Next filing: 14 Mar 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMT	Common Stock	Award	$0	+10,254	+56%	$0.000000	28,563	24 Feb 2022	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects the number of performance-based restricted stock units ("PSUs") earned, as a result of the Compensation Committee's certification to the achievement of performance, under the terms of a PSU award granted on March 11, 2019. These shares will vest at the end of the three-year performance period of such PSU award, and each PSU represents a contingent right to receive one share of Common Stock.

Content

Reflects the number of performance-based restricted stock units ("PSUs") earned, as a result of the Compensation Committee's certification to the achievement of performance, under the terms of a PSU award granted on March 11, 2019. These shares will vest at the end of the three-year performance period of such PSU award, and each PSU represents a contingent right to receive one share of Common Stock.