MIAMI, March 5 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) announced that it will release fourth quarter results after the markets closes on Monday, March 10th. Executives of MasTec will hold a conference call with the investment community on Tuesday, March 11, 2003 at 9:00 a.m. eastern time, to discuss fourth quarter and year-end results. The call-in number for the conference call is (913) 981-5510 and the replay is (719) 457-0820, pass code 518541. The replay will run from March 11 to March 25, utilizing the same passcode. Additionally, the call will be broadcast live over the Internet at http://www.firstcallevents.com/service/ajwz376183448gf12.html or through the investor relations section of the Company's website at www.mastec.com.

MasTec is a leading communications and energy infrastructure service provider in North America and Brazil. We design, build, install, maintain and monitor internal and external networks for leading telecommunications, broadband, energy and Fortune 1000 companies.

     For Info, Contact:
     J. Marc Lewis
     Vice President-Investor Relations
     MasTec, Inc.
     305-406-3165
     305-406-3138
     marc.lewis@mastec.com

SOURCE MasTec, Inc.