MIAMI, Aug. 7 /PRNewswire/ -- In conjunction with MasTec's (NYSE: MTZ) Second Quarter earnings release, you are invited to listen to its conference call that will be broadcast live over the Internet on August 7th at 11:00 a.m. EST.

    WHAT:     MasTec Second Quarter Earnings Release

    WHEN:     11:00 a.m. EST on August 7, 2001

    WHERE:    http://www.videonewswire.com/event.asp?id=353

    HOW:      Live over the Internet -- Simply log on to the Web at
              the address above.

    CONTACT:  Carmen Sabater at 305-599-1800

Members of the executive team will hold a teleconference call on Tuesday, August 7, at 11:00 a.m. (EST) to discuss the Company's performance. The conference call number is 913-981-5522. Please dial in to the teleconference 10-15 minutes in advance. A conference call replay will be available from August 7 through August 21 by dialing 719-457-0820, confirmation code 567926. Additionally, the call will be webcast. Please log on to http://www.videonewswire.com/event.asp?id=353 to listen to MasTec's Earnings Conference Call.

Please visit MasTec's Investor Relations web page at http://www.mastec.com/frame_investor.asp for financial sections of the press release. These sections may be downloaded into Excel for your convenience in analyzing Company data. Faxed copies of the financial sections are available by calling toll free 1-800-444-7797.

If you are unable to participate during the live webcast, the call will be archived on the Web site www.prnewswire.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 isproducers@prnewswire.com.)

MasTec is a leading end-to-end communications and energy infrastructure service provider in North America. MasTec designs, builds, installs and maintains internal and external networks supporting the Internet, Internet- related applications, e-commerce and other communications and energy facilities for leading telecommunications, cable television, energy and Fortune 500 companies.
SOURCE MasTec
CONTACT: Carmen Sabater of MasTec, +1-305-599-1800
Audio: http: //www.videonewswire.com/event.asp?id=353 /Web site: http://www.mastec.com