Prospectus Supplement to the extent inconsistent with the information in the Preliminary Prospectus Supplement. Defined terms used and not defined herein have the meaning ascribed to them in the
Preliminary Prospectus Supplement.
AMT has filed a registration statement (including a prospectus) with the SEC for the offering to which this
communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering. You may get these
documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the joint book-running managers can arrange to send you the prospectus if you request it by calling Citigroup Global Markets Inc. at 1-800-831-9146, J.P. Morgan Securities LLC at 1-212-834-4533, Merrill Lynch, Pierce, Fenner & Smith Incorporated at
1-800-294-1322, Morgan Stanley & Co. LLC at 1-866-718-1649 and Scotia Capital (USA) Inc. at 1-800-372-3930.