Webcast Alert: MasTec Inc. Announces Conference Call Webcast

November 06, 2002

MIAMI, Nov. 6 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) announced that it will release third quarter results after the markets closes on Thursday, November 7th. Executives of MasTec will hold a conference call with the investment community on Friday, November 8th, 2002 at 11:00 a.m. eastern time, to discuss third quarter results. The call in number for the call is (719) 457-2629, and the passcode for the call is 783780. Replays can also be retrieved at (719) 457-0820 by utilizing the same passcode. Additionally, the call will be broadcast live over the Internet at http://www.firstcallevents.com/service/ajwz368808197gf12.html , or it can be accessed through the investor relations section of the Company's website at www.mastec.com.

(Minimum Requirements to listen to broadcast: The Windows Media Player software, downloadable free from http://www.microsoft.com/windows/windowsmedia/EN/default.asp and at least a 28.8 kbps connection to the Internet. If you experience problems listening to the broadcast, send an email to webcastsupport@tfprn.com .)

MasTec (www.mastec.com) 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.

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SOURCE MasTec, Inc.