MasTec Senior Management to Present at the Kaufman Bros. and Morgan Keegan Investor Conferences

August 30, 2007

CORAL GABLES, Fla., Aug. 30 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) today announced that its senior management will be presenting at the Kaufman Bros. 10th Annual Investor Conference in New York City on Wednesday, September 5th, at approximately 11:30 a.m. Eastern time and at the Morgan Keegan 2007 Equity Conference in Memphis, Tennessee on Friday, September 7th, at approximately 11:40 a.m. Eastern time.

The presentation audio and slides will be webcast live through a link on the investor relations page of MasTec's website at www.mastec.com. Interested parties should check the Company's website for any schedule updates or time changes. The presentation will also be available for replay on the MasTec website for an additional 30 days.

MasTec is a leading specialty contractor operating throughout North America across a range of industries. The Company's core activities are the building, installation, maintenance and upgrade of communication and utility infrastructure systems.

SOURCE  MasTec, Inc.
    -0-                             08/30/2007
    /CONTACT: J. Marc Lewis, Vice President-Investor Relations, MasTec, Inc.,
+1-305-406-1815, +1-305-406-1886 - fax, marc.lewis@mastec.com/
    /Web site:  http://www.mastec.com /
    (MTZ)

CO:  MasTec, Inc.; Kaufman Bros. 10th Annual Investor Conference; Morgan
     Keegan 2007 Equity Conference
ST:  Florida
IN:  TLS CPR
SU:  TDS

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