CORAL GABLES, Fla., April 24 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) today announced that it will release results of operations for the quarter ended March 31, 2008 after the market closes on Tuesday, April 29, 2008. Senior Management will also hold a conference call to discuss these results on Wednesday, April 30, 2008 at 9:00 a.m. Eastern time.

The call-in number for the conference call is (785) 830-7975 and the replay number is (719) 457-0820, with a pass code of 8982409. 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 mainly throughout the United States 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.

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