MasTec Schedules Second Quarter 2011 Earnings Release and Conference Call

July 19, 2011

CORAL GABLES, Fla., July 19, 2011 /PRNewswire via COMTEX/ --

MasTec, Inc. (NYSE: MTZ) today announced that it will release results of operations for the quarter ended June 30, 2011 after the market closes on Wednesday, August 3, 2011. Senior Management will also hold a conference call to discuss these results on Thursday, August 4, 2011 at 9:00 a.m. Eastern time.

The call-in number for the conference call is (719) 457-2601 and the replay number is (719) 457-0820, with a pass code of 6584673. The replay will run for 30 days. Additionally, the call will be broadcast live over the Internet and can be accessed and re-played through the investor relations section of the Company's website at www.mastec.com.

MasTec, Inc. is a leading infrastructure construction company operating mainly throughout North America across a range of industries. The Company's activities include the building, installation, maintenance and upgrade of energy, communication and utility infrastructure, including but not limited to: electrical utility transmission and distribution, wind farms, solar farms, other renewable energy, natural gas and petroleum pipeline infrastructure, wireless, wireline, satellite communication, industrial infrastructure and water and sewer systems. MasTec's customers are in the following industries: utilities (including wind farms, solar farms and other renewable energy, natural gas gathering systems and pipeline infrastructure), communications (including wired and wireless telephony and satellite television) and government (including water, sewer and other utility and communications work on military bases). The Company's corporate website is located at www.mastec.com.

SOURCE MasTec, Inc.