American Tower — Oct 29, 2024 release

Outlook for Capital Expenditures (1) : ($ in millions, totals may not add due to rounding.) Full Year 2024 Discretionary capital projects (2) $ 780  to $ 810  Ground lease purchases 125  to 145  Start-up capital projects 65  to 85  Redevelopment 365  to 395  Capital improvement 155  to 165  Corporate 10  — 10  Total $ 1,500  to $ 1,610  _______________ (1) Excludes the operating results of ATC TIPL, which are reported as discontinued operations. (2) Includes the construction of 1,800 to 2,600 communications sites globally and $480 million of development spend in the Company’s Data Centers segment. Reconciliation of Outlook for Adjusted EBITDA to Net income (1) : ($ in millions, totals may not add due to rounding.) Full Year 2024 Net income $ 1,992  to $ 2,072  Net loss (income) from discontinued operations, net of taxes 978  — 978  Interest expense 1,415  to 1,405  Depreciation, amortization and accretion 2,025  to 2,035  Income tax provision 385  — 385  Stock-based compensation expense 185  — 185  Other, including other operating expenses, interest income, (gain) loss on retirement of long-term obligations and other (income) expense (210) — (210) Adjusted EBITDA $ 6,770  to $ 6,850  _______________ (1) All line items, except for Net income and Net loss (income) from discontinued operations, net of taxes, exclude the operating results of ATC TIPL, which are reported as discontinued operations. 4 Reconciliation of Outlook for AFFO attributable to AMT common stockholders to Net income: ($ in millions, except share and per share data, totals may not add due to rounding.) Full Year 2024 Net income $ 1,992  to $ 2,072  Straight-line revenue (275) — (275) Straight-line expense 48  — 48  Depreciation, amortization and accretion 2,025  to 2,035  Stock-based compensation expense 18