MasTec, Inc. to Present at the Roth Capital Partners 16th Annual Growth
Stock Conference

February 11, 2004

MIAMI, Feb 11, 2004 (BUSINESS WIRE) -- MasTec, Inc. (NYSE: MTZ) today announced that it will be making a corporate presentation at the Roth Capital Partners 16th Annual Growth Stock Conference taking place at the St. Regis Monarch Beach Resort and Spa in Dana Point, California on February 18, 2004 at approximately 4:00pm EST. The presentation will be webcast live at http://www.vcall.com/CEPage.asp?ID=85582, or it can be accessed through the investor relations section of MasTec's website at www.mastec.com. The presentation will also be available for replay on the MasTec website for an additional 60 days.

MasTec is a leading communications, broadband, intelligent traffic and energy infrastructure service provider in North America and Brazil. The Company designs, builds, installs, maintains, upgrades and monitors internal and external networks for leading companies and government entities.

About the Roth Capital Partners 16th Annual Growth Stock Conference

This annual event is the largest in the nation for emerging growth companies. It provides a concentrated forum where Institutional Investors can meet the executives of growth companies hand picked by Roth Capital's research team. The conference will highlight approximately 225 companies from industry groups including Health Care, Consumer Products, Technology and Financial Services. This year, as a result of numerous client requests, Roth has extended the conference to three working days, including a Discovery Day, which will highlight companies "undiscovered" by Wall Street. For more information about the conference visit http://www.apgweb.com/roth/danapoint/.

SOURCE: MasTec, Inc.

CONTACT:          MasTec, Inc.
                  J. Marc Lewis, 305-406-1815
                  305-406-1886 fax
                  marc.lewis@mastec.com

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SOURCE: MasTec, Inc.