EXHIBIT 99.1 MASTEC - -------------------------------------------------------------------------------- NEWS FOR IMMEDIATE RELEASE From MasTec, Inc. JANUARY 15, 1997 3155 N.W. 77th Avenue Miami, Florida 33122-1205 Tel : (305) 599-1800 Fax : (305) 406-1908 For more information contact: Edwin D. Johnson, Chief Financial Officer MASTEC ANNOUNCES THREE-FOR-TWO STOCK SPLIT MIAMI, FL - MasTec, Inc. (NASDAQ:MASX) announced today a three-for-two stock split in the form of a stock dividend on its approximately 17 million shares of common stock outstanding. The dividend, which will pay one share of common stock for each two shares of common stock outstanding, will be paid on February 28, 1997 to stockholders of record as of the close of business on February 3, 1997. Opening the Lines of Communication(R) worldwide, MasTec is one of the world's leading telecommunications and related infrastructure service providers, serving clients throughout the United States and in Spain, Latin America, the Caribbean and the Pacific Rim. For more information on MasTec, please see our Web page at HTTP://WWW.MASTEC.COM.