MasTec Files Registration Statement for Public Offering of Common Stock

January 12, 2004

MIAMI, Jan. 12 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) announced today that it has filed a registration statement on Form S-3 with the Securities and Exchange Commission relating to a proposed public offering of 9,500,000 shares of common stock. MasTec has also granted the underwriters an option to purchase an additional 1,425,000 shares to cover over-allotments. Additionally, as a part of the transaction, the Mas family interests, MasTec's largest shareholders, are proposing the sale of 4,750,000 of their currently owned shares. The Mas family will hold approximately 30% of the beneficially owned shares outstanding after the transaction. The Mas family interest share sale is also subject to the same terms and conditions, including 712,500 additional shares to cover over-allotments. The offering to the public will be underwritten by a syndicate led by Friedman, Billings, Ramsey & Co., Inc.

A registration statement relating to these securities has been filed with the Securities and Exchange Commission, but has not yet become effective. These securities may not be sold nor may offers to buy be accepted prior to the time the registration statement becomes effective. This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of these securities in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under securities laws of any such state.

To obtain a prospectus describing the common shares and the public offering, when available, please contact Friedman, Billings, Ramsey & Co., Inc., Potomac Tower, 1001 19th Street North, Arlington, Virginia 22209, (703) 469-1023.

MasTec, www.mastec.com, is a leading communications, broadband, intelligent traffic and energy infrastructure service provider in North America and Brazil. The Company designs, builds, installs, maintains, upgrades and monitors internal and external networks for leading companies and government entities.

SOURCE MasTec, Inc.