American Tower Prices $1.6 Billion Multi-Tranche Senior Notes Offering

Summary of Offering

On September 9, 2026, American Tower Corporation filed a Form 8-K announcing the pricing of its registered public offering of $1.60 billion aggregate principal amount of senior unsecured notes divided across three tranches:

1. 5.300% Senior Notes due 2031:

   • Principal Amount: $500.0 million
   • Issue Price: 99.718% of face value
   • Coupon: 5.300% per annum

2. 5.560% Senior Notes due 2033:

   • Principal Amount: $500.0 million
   • Issue Price: 99.776% of face value
   • Coupon: 5.560% per annum

3. 5.750% Senior Notes due 2036:

   • Principal Amount: $600.0 million
   • Issue Price: 99.497% of face value
   • Coupon: 5.750% per annum

Use of Proceeds

Net proceeds from the offering are estimated to be approximately $1,579.9 million after deducting underwriting discounts and estimated offering expenses. American Tower intends to allocate the net proceeds toward:

• Repaying $600.0 million aggregate principal amount of its 1.450% senior notes due 2026.
• Repaying outstanding borrowings under its $6.0 billion senior unsecured multicurrency revolving credit facility.
• General corporate purposes.

Underwriters

Joint Book-Running Managers for the debt offering include J.P. Morgan Securities LLC, BofA Securities, Inc., Citigroup Global Markets Inc., Morgan Stanley & Co. LLC, and Scotia Capital (USA) Inc.