CORAL GABLES, Fla., Sep 27, 2004 /PRNewswire-FirstCall via COMTEX/ -- MasTec, Inc. (NYSE: MTZ) announced today that it has appointed BDO Seidman, LLP, as its independent auditor. The appointment is the result of a search and interview process with several firms that was directed by the Audit Committee of the Company's Board of Directors.

BDO Seidman, the world's fifth-largest firm, serves clients through more than 35 offices and 250 independent alliance firm locations nationwide. As a member firm of BDO International, BDO Seidman, LLP serves multi-national clients by leveraging a global network of resources comprised of nearly 600 member firm offices in 99 countries.

Austin J. Shanfelter, MasTec's President and CEO, stated, "The change of auditors will be positive for us, and we are excited about the professional service offered by BDO in their proposal. The first priority for BDO is the review of our first and second quarter financial statements, which is already in process."

Mr. Shanfelter concluded, "Combined with the recent changes in the board of directors and management, this change in auditors represents one more step in the ongoing process of restoring confidence with the public markets."

MasTec < http://www.mastec.com > is a leading communications, broadband, intelligent traffic and energy infrastructure service provider. The Company designs, builds, installs, maintains, upgrades and monitors internal and external networks for leading companies and government entities.

This press release and any accompanying documents contain forward-looking statements, such as statements regarding MasTec's future growth and profitability, growth strategy, and anticipated trends in the industries and economies in which MasTec operates. The words "anticipate," "estimate," "should," "expect," "believe," "intend," "target," "project" and similar expressions are intended to identify forward-looking statements. These forward-looking statements are based on MasTec's current expectations and are subject to a number of risks, uncertainties, and assumptions, including that our revenue and profits may differ from that projected, that we may be further impacted by slowdowns in our clients' businesses or in the economy in general, that our reserves for receivables may be inadequate and that we may experience increased costs associated with realigning our business or may be unsuccessful in those efforts. Should one or more of these risks or uncertainties materialize, or should the underlying assumptions prove incorrect, actual results may differ significantly from results expressed or implied in any forward-looking statements made by MasTec in this press release. These and other risks are detailed in this press release and/or documents filed by MasTec with the Securities and Exchange Commission. MasTec does not undertake any obligation to revise these forward-looking statements to reflect future events or circumstances.

SOURCE MasTec, Inc.

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

http://www.mastec.com