MasTec to Appoint David W. Sasnett as New Chief Financial Officer

April 13, 2004

MIAMI, April 13 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) today announced that it will name David W. Sasnett as Executive Vice President and Chief Financial Officer. Mr. Sasnett joined MasTec in February of 2004 as Controller. Mr. Donald P. Weinstein, the Company's CFO since January of 2002, will continue as CFO through the filing of the 2003 10-K and will then be pursuing other interests.

Mr. Sasnett is a Certified Public Accountant and a graduate of the University of Florida. Before joining MasTec, Mr. Sasnett was Senior Vice President and Chief Financial Officer for Catalina Lighting, Inc. for six years. Previously, he was employed with the international accounting and consulting firm Deloitte & Touche for almost 13 years, leaving the firm as a Senior Manager.

Austin J. Shanfelter, MasTec's President and Chief Executive Officer stated, "We look forward to the additional contributions from Mr. Sasnett in his new role. He brings a wealth of experience to MasTec through his prior work as an auditor at Deloitte & Touche and as a public company CFO. Mr. Sasnett will be charged with improving our financial reporting, enhancing our operations and refining our strategic focus."

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

This press release and any accompanying documents contain forward-looking statements, such as statements regarding MasTec's future growth and profitability, growth strategy, and anticipated trends in the industries and economies in which MasTec operates. The words "anticipate," "estimate," "should," "expect," "believe," "intend," "target," "project" and similar expressions are intended to identify forward-looking statements. These forward-looking statements are based on MasTec's current expectations and are subject to a number of risks, uncertainties, and assumptions, including that our revenue and profits may differ from that projected, that we may be further impacted by slowdowns in our clients' businesses or in the economy in general, that our reserves for receivables may be inadequate and that we may experience increased costs associated with realigning our business or may be unsuccessful in those efforts. Should one or more of these risks or uncertainties materialize, or should the underlying assumptions prove incorrect, actual results may differ significantly from results expressed or implied in any forward-looking statements made by MasTec in this press release. These and other risks are detailed in this press release and/or documents filed by MasTec with the Securities and Exchange Commission. MasTec does not undertake any obligation to revise these forward-looking statements to reflect future events or circumstances.

SOURCE MasTec, Inc.