CORAL GABLES, Fla., Aug. 25 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) today announced that its corporate office would be closed until Monday, August 29th, due to the hurricane warning issued for South Florida. Corporate and field team members are currently working from satellite locations throughout South Florida.

Austin J. Shanfelter, MasTec's President and CEO stated, "MasTec is prepared for Katrina and has mobilized crews from a multi-state area to help in evaluation and restoration efforts for our customers."

MasTec (www.mastec.com) is a leading communications, video, data, traffic and public utility infrastructure service provider. The Company designs, builds, installs, maintains, upgrades and monitors internal and external networks for leading companies and government entities.

SOURCE  MasTec, Inc.
    -0-                             08/25/2005
    /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:  CPR TLS UTI
SU:

BF-JC
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8816 08/25/2005 17:13 EDT http://www.prnewswire.com