MasTec to Present at the SunTrust Robinson Humphrey Institutional Investor
Conference in Atlanta

April 04, 2003

MIAMI, April 4 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) today announced that it will be making a corporate presentation at the SunTrust Robinson Humphrey Institutional Investor Conference on April 9, 2003 at approximately 10:00am. The presentation will be webcast live at http://www.twst.com/econf/mm/strh4/mtz.html, or it can be accessed through the investor relations section of MasTec's website at www.mastec.com. The presentation will also be available for replay on the MasTec website for an additional 60 days.

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 and monitors internal and external networks for leading telecommunications, broadband, energy and Fortune 1000 companies and for state departments of transportation.

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. 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 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.