MasTec Schedules First Quarter 2010 Earnings Release and Conference Call

April 23, 2010

CORAL GABLES, Fla., April 23, 2010 /PRNewswire via COMTEX/ --MasTec, Inc. (NYSE: MTZ) today announced that it will release results of operations for the quarter ended March 31, 2010 after the market closes on Wednesday, May 5, 2010. Senior Management will also hold a conference call to discuss these results on Thursday, May 6, 2010 at 9:00 a.m. Eastern time.

The call-in number for the conference call is (719) 325-2260 and the replay number is (719) 457-0820, with a pass code of 4250967. 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

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 utility and communications infrastructure, including electrical utility transmission and distribution, wind farms, solar farms, other renewable energy and natural gas infrastructure, wireless, wireline, satellite communication and water and sewer systems. The Company's corporate website is located at

SOURCE MasTec, Inc.