CORAL GABLES, Fla., Sept. 12 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) today announced that its senior management will be in San Francisco presenting at the ThinkEquity 5th Annual Growth Conference on Wednesday, September 19th, at approximately 5:00 p.m. Eastern time, and at the D.A. Davidson 6th Annual Engineering and Construction Conference on Thursday, September 20th, at approximately 11:35 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-                             09/12/2007
    /CONTACT:  J. Marc Lewis, Vice President-Investor Relations, +1-305-406-
1815, +1-305-406-1886 FAX, marc.lewis@mastec.com/
    /Web site:  http://www.mastec.com /
    (MTZ)

CO:  MasTec, Inc.
ST:  Florida, California
IN:  TLS CPR
SU:  TDS CCA

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2259 09/12/2007 10:00 EDT http://www.prnewswire.com