MasTec CEO to Present at Barclays Global Renewables & Clean Technology Conference

CORAL GABLES, Florida, August 26, 2010 - MasTec, Inc. (NYSE: MTZ) today announced that its CEO, Jose Mas and J.
Marc Lewis, Vice President-Investor Relations, will be in Zurich presenting
at the Barclays Global Renewables & Clean Technology Conference on Thursday,
September 2nd, at approximately 8:05 a.m. Eastern time. One-on-one meetings
with institutional investors and MasTec's senior management are also being
arranged as a part of the conference.

The presentation audio and slides may be accessed through a link on the
investor relations page of MasTec's website at www.mastec.com.
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 approximately 30 days.

MasTec is a leading national infrastructure construction company
operating mainly throughout the United States across a range of industries.
The Company's core activities are the building, installation, maintenance and
upgrade of energy, communication and utility infrastructure, including
electrical utility transmission and distribution, wind farms, solar farms,
other renewable energy and natural gas and petroleum infrastructure,
wireless, wireline, satellite communication, industrial infrastructure and
water and sewer systems. The Company's corporate website is located at
www.mastec.com.

J. Marc Lewis, Vice President-Investor Relations, +1-305-406-1815, +1-305-406-1886 fax, marc.lewis at mastec.com