MasTec Honored by AT&T as Outstanding Supplier

May 14, 2014

CORAL GABLES, Fla., May 14, 2014 /PRNewswire/ -- MasTec, Inc. (NYSE: MTZ). Commitment to excellence over the past year has earned MasTec Network Services recognition as a 2014 AT&T Supplier Award winner for its support of affiliates of AT&T*, one of the world's leading data, voice, wireless and Internet services providers.

"We are proud of our long-standing tradition of providing unparalleled, innovative products and services to our business and residential customers," said Tim Harden, President of AT&T Supply Chain and Fleet Operations. "We're successful on that front in large part thanks to extraordinary suppliers like MasTec that consistently go above and beyond, exceeding our expectations and helping exceed those of our customers as well."

MasTec Network Services was one of only eight suppliers to receive the 2014 AT&T Supplier Award for its work in helping AT&T deliver outstanding service to its customers during the past year.  MasTec was recognized for its contributions across a broad scope of criteria, including supplier diversity results, creative cost management solutions, teamwork, customer service, product/service performance.

Jose Mas, MasTec's Chief Executive Officer, commented, "We are honored to have been named an outstanding supplier by AT&T, a company that has long been recognized as a leader in quality and innovation. We remain committed to providing all of our customers with safe, reliable and quality services. We look forward to our continued long-term relationship with AT&T."

As part of its annual Supplier Award Program, AT&T took out a half-page ad in the May 13, 2014 edition of The Wall Street Journal to publicly thank the selected companies.

*AT&T products and services are provided or offered by subsidiaries and affiliates of AT&T Inc. under the AT&T brand and not by AT&T Inc.

MasTec, Inc. is a leading infrastructure construction company operating mainly throughout North America across a range of industries. The Company's primary activities include the engineering, building, installation, maintenance and upgrade of energy, utility and communications infrastructure, such as: electrical utility transmission and distribution; natural gas and petroleum pipeline infrastructure; wireless, wireline and satellite communications; power generation, including renewable energy infrastructure; and industrial infrastructure.  MasTec's customers are primarily in these industries.  The Company's corporate website is located at www.mastec.comJose Mas, CEO of MasTec, has led the Company since April of 2007.

SOURCE MasTec, Inc.

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