John Van Heuvelen has been a member of the Board of Directors since June 2002. From 1999 to the present, Mr. Van Heuvelen has been a private equity investor based in Denver, Colorado. His investment activities have included private telecom and technology firms, where he still remains active. Mr. Van Heuvelen spent 13 years with Morgan Stanley and Dean Witter Reynolds in various executive positions in the mutual fund, unit investment trust and municipal bond divisions before serving as president of Morgan Stanley Dean Witter Trust Company from 1993 until 1999.

William N. Shiebler has been a member of the Board of Directors since June 1999. Since March 2002, Mr. Shiebler has been a Managing Director of Deutsche Bank and Chief Executive Officer of the Americas for Deutsche Asset Management. Mr. Shiebler was a Senior Managing Director of Putnam Investments, a Boston based investment management firm, and President of Putnam Mutual Funds from 1990 until 2000. Before joining Putnam, he was President and Chief Operating Officer of Dean Witter Reynolds Intercapital, the investment management division of DeanWitter Reynolds, Inc., and Executive Vice President and director of Dean Witter Reynolds, Inc. Mr. Shiebler is a member of the Board of Directors of Oxigene, Inc. Mr. Shiebler also is a director or trustee of a number of private companies and not-for-profit charitable institutions.

Arthur B. Laffer has been a member of the Board of Directors since March 1994. Dr. Laffer has been Chairman of Laffer Associates, an economic research and financial consulting firm, since 1979; Chief Executive Officer, Laffer Advisors Inc., a broker-dealer, since 1981; and Chief Executive Officer, Laffer Investments, an investment management firm, since 1999. Dr. Laffer is a director of Nicholas Applegate Growth Fund, Oxigene, Inc., Neff Corp., Pacificare Health Systems Inc. and Vivendi Environment.

Joseph P. Kennedy II has been a member of the Board of Directors since October 1999. Mr. Kennedy is Chairman and President of Citizens Energy Corporation, a not-for-profit energy provider that he founded in 1979, as well as Chairman and/or President of a number of related companies. Mr. Kennedy served six terms as a U.S. Representative during which time he was a member of the House Banking and Financial Services Committee, a senior member of the House Veteran’s Affairs Committee and the co-chair of the Older American Caucus. He also served as the ranking Democrat on the Housing and Community Opportunity Subcommittee.

Julia L. Johnson has been a member of the Board of Directors since February 2002. From January 2001 to the present, Ms. Johnson has been President of NetCommunications, L.L.C., a strategy consulting firm specializing in the communications, energy, and information technology public policy arenas. Prior to founding NetCommunications, Ms. Johnson was Vice President of Marketing for MILCOM Technologies, Inc., a military technology commercialization company, from March 2000 to August 2001. From November 2001 to the present, Ms. Johnson has also served as founder and Chairman of the Emerging Issues Policy Forum, a public policy organization established to promote open public policy discussions on key market, industrial and regulatory issues. Ms. Johnson served on the Florida Public Service Commission from January 1992 until November 1999, serving as chairwoman from January 1997 to January 1999. Ms. Johnson also chaired Florida’s Information Service Technology Development Task Force, which advised Florida Governor Jeb Bush on information technology policy and related legislative issues, from November 1999 to July 2001. In June 2001, Governor Bush appointed Ms. Johnson to the Florida Board of Education for a four-year term.

Austin J. Shanfelter has been our Chief Executive Officer and President and a member of the Board of Directors since August 2001. From February 2000 until August 2001, Mr. Shanfelter was our Chief Operating Officer. Prior to being named Chief Operating Officer, he served as President of one of our service offerings from January 1997. Mr. Shanfelter has been in the telecommunications infrastructure industry since 1981. Mr. Shanfelter has been a member of the Board of Directors of the Power and Communications Contractors Association (PCCA), an industry trade group, since 1993. He is also the Chairman of the Cable Television Contractors Council of the PCCA. Mr. Shanfelter has also been a member of the Society of Cable Television Engineers since 1982 and the National Cable Television Association since 1991.

Jose Mas has been a member of the Board of Directors since August 2001. Mr. Mas has been our Executive Vice President — Business Development since August 2001. Mr. Mas has served in a number of capacities at the operating level with us since 1991, most recently as President of one of our service offerings from May 1999 to August 2001. He is also a member of the Board of Directors of Neff Corp.

Jorge Mas has been our Chairman of the Board of Directors since January 1998 and a director since March 1994. From March 1994 to October 1999, Mr. Mas was our Chief Executive Officer. Mr. Mas has been Chairman of the Board of the Cuban American National Foundation, Inc., a not-for-profit corporation, since July 1999. In addition, Mr. Mas is the Chairman of the Board of Directors of Neff Corp. and is a member of the Board of Directors of Nova Southeastern University.

Mr. Wilde's focus is telecom services. He oversees the implementation of fiber optic networks through turn-key services, project management, and network development. Prior to joining the MasTec family in July of 1997, he was stockholder and Vice President of Operations of Wilde Construction, Inc. and Northland Contracting, Inc., as well as owner of Wilde Optical Services, Inc. Mr. Wilde has over 25 years of hands-on experience in the telecommunications and underground utility industry.

Mr. Perera is responsible for day to day operations, and managing the profitable growth of broadband and energy services. Mr. Perera was the Senior Vice President of Operations of MasTec from 1993 to 1999. Prior to returning to MasTec, he was president and CEO of Linc.net, Inc. Mr. Perera holds a Bachelor of Science in Electrical Engineering degree from the University of Miami, an MBA from Florida International University, and a Master of Science from the Sloan School of Management at MIT.