MasTec Senior Management to Present at the Credit Suisse Investor Conference on June 5, 2008

May 29, 2008

CORAL GABLES, Fla., May 29 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) today announced that its senior management, will be in New York City on Thursday, June 5, 2008, presenting at the Credit Suisse Engineering and Environmental Services Conference at approximately 10:30 a.m. Eastern time.

The presentation audio will be webcast live on the Internet through a link on the investor relations page of MasTec's website at www.mastec.com. Presentation slides are also available at the corporate website for download. Interested parties should check the Company's website for any schedule updates or time changes.

The presentation will also be available for replay on the MasTec website for an additional 30 days.

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.

SOURCE MasTec, Inc.

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