CORAL GABLES, Fla., Oct. 24 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) today announced that it will release results of operations for the quarter ended September 30, 2007 after the market closes on Tuesday, November 6, 2007. Senior Management will also hold a conference call to discuss these results on Wednesday, November 7, 2007 at 10:30 a.m. Eastern time.

The call-in number for the conference call is (913) 312-0652 and the replay number is (719) 457-0820, with a pass code of 1044010. The replay will run for 30 days. Additionally, the call will be broadcast live over the Internet and can be accessed and replayed through the investor relations section of the Company's website at www.mastec.com.

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. The Company's corporate website is located at www.mastec.com.

SOURCE  MasTec, Inc.
    -0-                             10/24/2007
    /CONTACT: J. Marc Lewis, Vice President-Investor Relations, of MasTec,
Inc., +1-305-406-1815, or fax, +1-305-406-1886, marc.lewis@mastec.com /
    /Web site:  http://www.mastec.com/
    (MTZ)

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

CB-TC
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5438 10/24/2007 15:15 EDT http://www.prnewswire.com