CORAL GABLES, Fla., Sept. 6 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) today announced that its senior management will be making a corporate presentation at the Jefferies & Company Communication Conference in New York City on September 11th at approximately 3:30 pm ET. The presentation will be webcast live at http://www.wsw.com/webcast/jeff12/mtz/, or it can be accessed through a link on the investor relations page of MasTec's website at www.mastec.com. The presentation will also be available for replay on the MasTec website for an additional 30 days.

MasTec < www.mastec.com > is a leading specialty contractor operating throughout the United States and in Canada 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-                             09/06/2006
    /CONTACT:  J. Marc Lewis of MasTec, Inc., Vice President-Investor
Relations, +1-305-406-1815, or Fax +1-305-406-1886, or marc.lewis@mastec.com/
    /Web site:  http://www.mastec.com
                http://www.wsw.com/webcast/jeff12/mtz/
    (MTZ)

CO:  MasTec, Inc.
ST:  Canada, Florida, New York
IN:  TLS CPR
SU:  CCA MAV

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9138 09/06/2006 13:30 EDT http://www.prnewswire.com