MasTec Senior Management to Present at the Credit Suisse Engineering and Environmental Services Conference

June 04, 2007

CORAL GABLES, Fla., June 4 /PRNewswire-FirstCall/ -- MasTec, Inc. (NYSE: MTZ) today announced that its senior management will be presenting at the Credit Suisse Engineering and Environmental Services Conference in New York City on Thursday, June 7, at approximately 2:10 p.m. Eastern time. The presentation audio will be webcast live through a link on the investor relations page of MasTec's website at www.mastec.com. The presentation will also be available for replay on the MasTec website for an additional 30 days.

MasTec is a leading specialty contractor operating throughout North America across a range of industries. The Company's core activities are the building, installation, maintenance and upgrade of communication and utility infrastructure systems.

SOURCE MasTec, Inc.

CONTACT: J. Marc Lewis, Vice President-Investor Relations for MasTec, Inc., +1-305-406-1815, fax, +1-305-406-1886, marc.lewis@mastec.com