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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