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                            Investor FAQ

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                            Tax Disclosures

                            Access to American Tower Tax Basis Reporting under Internal Revenue Code § 6045B.

                            PRESS RELEASES
                            American Tower Press Releases
                            American Tower Webcasts
                            EARNINGS MATERIALS
                            American Tower Earnings Materials
                            INVESTOR PRESENTATIONS
                            American Tower Earnings Presentations
                            ANNUAL REPORTS & PROXY STATEMENTS
                            American Tower Annual Reports and Proxy Statements
                            SEC FILINGS
                            American Tower SEC Filings
                            CORPORATE GOVERNANCE
                            American Tower Corporate Governance
                            STOCK INFORMATION
                            American Tower Shareholder Services
                            SHAREHOLDER SERVICES
                            American Tower Shareholder Services

                            Contact Us

                            Investor Relations
                            Igor Khislavsky: Vice President, Investor Relations

                            Corporate Headquarters
                            American Tower Corporation
                            116 Huntington Ave. 11th Floor, Boston, MA 02116
                            617-375-7500  |  617-375-7575 fax

                            Transfer Agent
                            P.O. Box 505000, Louisville, KY 40233
                            866-201-5087  |  781-575-2879