MasTec Announces Second Quarter Earnings Release Schedule

July 12, 2002

MIAMI, July 12 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) will release second quarter 2002 results on Tuesday, August 13, 2002, after the close of business. Following the release, MasTec has scheduled a conference call for Wednesday, August 14, 2002 at 11:00 a.m. eastern time. The call in number for the call is (913) 981-5571, and the passcode for the call is 525428. In addition, the call will also be broadcast live over the Internet at http://www.firstcallevents.com/service/ajwz362521953gf12.html , or it can be accessed through the investor relations section of the Company's website at www.mastec.com. Replays of the call can also be retrieved at (719) 457-0820 by utilizing the same passcode.

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.
Web site: http: //www.mastec.com
CONTACT: J. Marc Lewis, Vice President of Investor Relations, MasTec, Inc., +1-305-406-3165, or marc.lewis@mastec.com
Audio: http: //www.firstcallevents.com/service/ajwz362521953gf12.html