Exhibit 4
JOINT FILING AGREEMENT
The undersigned, being duly authorized thereunto, hereby execute this
agreement as an exhibit to this Schedule 13D to evidence the agreement of the
below-named parties, in accordance with the rules promulgated pursuant to the
Securities Exchange Act of 1934, to file this Schedule, and any amendments or
supplements thereto, jointly on behalf of each such party.
January 19, 2001 GLOBAL CROSSING LTD.
By: /s/ Xxxxxxxx Xxxxxx
---------------------
Name: Xxxxxxxx Xxxxxx
Title: Secretary
GLOBAL CROSSING HOLDINGS LTD.
By: /s/ Xxx XxXxxx
--------------
Name: Xxx XxXxxx
Title: President
GLOBAL CROSSING NORTH AMERICAN HOLDINGS, INC.
By: /s/ Xxxxxxxx Xxxxxx
---------------------
Name: Xxxxxxxx Xxxxxx
Title: Vice President
GLOBAL CROSSING NORTH AMERICA, INC.
By:/s/ Xxxxxxx X. XxXxxxx
----------------------
Name: Xxxxxxx X. XxXxxxx
Title: Assistant Secretary
ALC COMMUNICATIONS CORPORATION
By:/s/ Xxxxxxxx Xxxxxx
--------------------
Name: Xxxxxxxx Xxxxxx
Title: Vice President
GLOBAL CROSSING GLOBALCENTER HOLDINGS, INC.
By:/s/ Xxxxxxx X. XxXxxxx
----------------------
Name: Xxxxxxx X. XxXxxxx
Title: Assistant Secretary
SCHEDULE I
DIRECTORS AND EXECUTIVE OFFICERS
OF GLOBAL CROSSING LTD.
The following table sets forth the name, business address and present principal
occupation or employment of each director and executive officer of Global
Crossing. Except as indicated below, each person is a U.S. citizen.
Name, Present Principal Occupation and Title Business Address and Citizenship
-------------------------------------------- --------------------------------
Xxxx Xxxxxxx, Chairman; 000 X. Xxxxxxxx Xxxxx
Director, Global Crossing Ltd. Xxxxxxx Xxxxx, XX 00000
Xxxxxxxx X. Xxxx, Co-Chairman; 000 X. Xxxxxxxx Xxxxx
Xxxxxxxx, Global Crossing Ltd. Xxxxxxx Xxxxx, XX 00000
Xxxxxx X. Xxxxx, Chief Executive 000 X. Xxxxxxxx Xxxxx
Xxxxxxx; Director, Global Crossing Ltd. Xxxxxxx Xxxxx, XX 00000
Xxxx Xxxxxxx, Vice Chairman, Asia Global 000 X. Xxxxxxxx Xxxxx
Xxxxxxxx; Director, Global Crossing Ltd. Xxxxxxx Xxxxx, XX 00000
Xxxxxx X. Xxxxxxx, President, Global 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxx Xxxxx Xxxxxxx; Director, Xxxxxxxxx, XX 00000
Global Crossing Ltd.
Xxxxxxx Xxxxxx, Jr., Managing Director, 0000 Xxxxxxxxxxxx Xxx XX
The Carlyle Group; Director, Global Xxxxxxxxxx, XX 00000-0000
Crossing Ltd.
Xxxx Xxxxxxx, President & Executive 00 Xxxx 00/xx/ Xxxxxx, 00/xx/ Xxxxx
Managing Director, Softbank Xxx Xxxx, XX 00000
International Ventures; Director,
Global Crossing Ltd.
Xxxxxxxx X.X. Xxxx, Chairman & CEO, 0000 Xxxxx X0X, Xxxxx 0
Abercrombie & Kent; Director, Global Xxxx Xxxxx, XX 00000
Crossing Ltd. UK Citizen
Xxxxxxx XxXxxxxxxxxx, CEO, Vice Chairman 0000 Xxxxxx Xxxx.
& President, Gannett Co., Inc; Xxxxxxxxx, XX 00000
Director, Global Crossing Ltd.
Xxxxx X. XxXxxxxx, President & CEO, 0000 Xxxxxxxxx Xxxxxxx
Scientific - Atlanta, Inc.; Director, Xxxxxxxxxxxxx, XX 00000
Global Crossing Ltd.
Xxxxxxx X. Xxxxx; Managing Director, 0000 Xxxxxxxxxxxx Xxx., XX
Pacific Capital Group, Inc.; Director, Suite 400
Global Crossing Ltd. Xxxxxxxxxx, XX 00000
Xxxxxx Xxxxxxxxxx, Partner, Xxxxxxxxxx, 410 00/xx/ Xxxxxx, 00/xx/ Xxxxx
Xxxxx & Xxxxxx, P.C.; Director, Global Xxxxxx, XX 00000-0000
Crossing Ltd.
Xxxxx Xxx, Managing General Partner, 000 X. Xxxxxxxx Xxxxx
Xxxxxxx Partners; Director, Global Xxxxxxx Xxxxx, XX 00000-0000
Crossing Ltd.
Xxx Xxxxx, Executive Vice President and 000 X. Xxxxxxxx Xxxxx
Chief Financial Officer Xxxxxxx Xxxxx, XX 00000
Xxxxx X. Xxxxxx, Executive Vice 000 X. Xxxxxxxx Xxxxx
President and General Counsel Xxxxxxx Xxxxx, XX 00000
Xxxxx Xxxxx, President and Chief 00 Xxxx Xxxxxx
Xxxxxxxxx Xxxxxxx Xxx Xxxx, XX 00000
Xxxx X. Camparin, Executive Vice 000 X. Xxxxxxxx Xxxxx
Xxxxxxxxx - Human Resources Xxxxxxx Xxxxx, XX 00000
Xxxxxx Xxxxxxxx, Senior Vice President - Seven Giralda Farms
Network Operations Xxxxxxx, XX 00000
Xxxxxx X. Xxxxxxx, Executive Vice Seven Giralda Farms
President - Finance Xxxxxxx, XX 00000
SCHEDULE II
DIRECTORS AND EXECUTIVE OFFICERS
OF GLOBAL CROSSING HOLDINGS LTD.
The following table sets forth the name, business address and present principal
occupation or employment of each director and executive officer of Global
Crossing Holdings Ltd.
Name, Present Principal Occupation and Title Business Address and Citizenship
-------------------------------------------- --------------------------------
Xxx XxXxxx, President; Xxxxxx Xxxxx, 00 Xxxx Xxxxxx
Director Xxxxxxxx XX 12, Bermuda
Canadian Citizen
Xxxxxxxx Xxxx, Vice President & Secretary; Xxxxxx Xxxxx, 00 Xxxx Xxxxxx
Director Xxxxxxxx XX 12, Bermuda
British Dependent Territories Citizen
Xxxxx Xxxxx, Chief Financial Officer Wessex House, 00 Xxxx Xxxxxx
Xxxxxxxx XX 00, Xxxxxxx
Xxxxxxxx Citizen
SCHEDULE III
DIRECTORS AND EXECUTIVE OFFICERS
OF GLOBAL CROSSING NORTH AMERICAN HOLDINGS, INC.
The following table sets forth the name, business address and present principal
occupation or employment of each director and executive officer of Global
Crossing North American Holdings, Inc. Except as indicated below, each person
is a U.S. citizen.
Name, Present Principal Occupation and Title Business Address and Citizenship
-------------------------------------------- --------------------------------
Xxxxxx X. Xxxxx, Chief Executive 000 X. Xxxxxxxx Xxxxx
Xxxxxxx, Xxxxxx Xxxxxxxx Ltd; Director Xxxxxxx Xxxxx, XX 00000
Xxxxxx X. Xxxxxxx, Vice-President 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxxx, XX 00000
Xxxxxx X. Xxxxxxx, President, Global 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxx Xxxxx Xxxxxxx; President & CEO Xxxxxxxxx, XX 00000
Xxxxx Xxxxxxxxxx, Chief Operating 000 Xxxxx Xxxxxxx Xxxxxx
Officer, Global Crossing North America, Xxxxxxxxx, XX 00000
Inc.; Chief Operating Officer
Xxxxx X. Xxxx, Treasurer and Senior Vice 000 Xxxxx Xxxxxxx Xxxxxx
President, Global Crossing Xxxxx Xxxxxxxxx, XX 00000
America, Inc.; Treasurer
Xxxxxxx X. Xxxxxxx, U.S. Taxes Vice 000 Xxxxx Xxxxxxx Xxxxxx
President, Global Crossing North Rochester, NY 14646
America; Assistant Treasurer
Xxxxxx Xxxx, Chief Financial Officer, 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxx Xxxxxxxx Xxxxx Xxxxxxx, Inc.; Xxxxxxxxx, XX 00000
Chief Financial Officer
Xxxxxxx X. XxXxxxx, Assistant Secretary,
Global Crossing North America, Inc.; 000 Xxxxx Xxxxxxx Xxxxxx
Assistant Secretary Xxxxxxxxx, XX 00000
Xxxxxx X. XxXxx, Senior Vice President, 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxx Xxxxxxxx Xxxxx Xxxxxxx, Inc.; Xxxxxxxxx, XX 00000
Vice President
Xxxxxxxx Xxxxxx, Secretary, Global Seven Giralda Farms
Crossing Ltd.; Vice President Xxxxxxx, XX 00000
Xxxxxx Xxxxxxxxx, Vice President -Tax, 000 X. Xxxxxxxx Xxxxx
Xxxxxx Xxxxxxxx Ltd.; Vice President Xxxxxxx Xxxxx, XX 00000
Xxxxxxxxx X. Xxxxxx, Corporate 000 Xxxxx Xxxxxxx Xxxxxx
Secretary, Global Crossing North Rochester, NY 14646
America; Secretary
Xxxxx Xxxxx, President and Chief 00 Xxxx Xxxxxx
Operating Officer, Global Crossing Xxx Xxxx, XX 00000
Ltd.; Vice President
SCHEDULE IV
DIRECTORS AND EXECUTIVE OFFICERS
OF GLOBAL CROSSING NORTH AMERICA, INC.
The following table sets forth the name, business address and present principal
occupation or employment of each director and executive officer of Global
Crossing North America, Inc. Except as indicated below, each person is a U.S.
citizen.
Name, Present Principal Occupation and Title Business Address and Citizenship
-------------------------------------------- --------------------------------
Xxxxxx X. Xxxxx, Chief Executive 000 X. Xxxxxxxx Xxxxx
Xxxxxxx, Xxxxxx Xxxxxxxx Ltd; Director Xxxxxxx Xxxxx, XX 00000
Xxxxxx X. Xxxxxxx, President, Global 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxx Xxxxx Xxxxxxx; President & Xxxxxxxxx, XX 00000
Chief Executive Officer
Xxxxxxxxx X. Xxxxxx, Corporate Secretary 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxxx, XX 00000
Xxxxx X. Xxxx, Treasurer & Senior 000 Xxxxx Xxxxxxx Xxxxxx
Vice President Xxxxxxxxx, XX 00000
Xxxxx X. Xxxxx, Senior Vice President 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxxx, XX 00000
Xxxxxxx X. Xxxxxxx, Senior Vice President 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxxx, XX 00000
Xxxxxx X. XxXxx, Senior Vice President 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxxx, XX 00000
Xxxxxx Xxxxx, Senior Vice President 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxxx, XX 00000
Xxxxx X. Xxxxxx-Xxxxxxx, Senior Vice 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxxx Xxxxxxxxx, XX 00000
Xxxxxxx X. XxXxxxx, Assistant Secretary 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxxx, XX 00000
Xxxxxx X. Xxxxxxx, Chief Technology 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxx Xxxxxxxxx, XX 00000
Xxxxx Xxxxxxxxxx, Chief Operating Officer 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxxx, XX 00000
Xxxxxx Xxxx, Chief Financial Officer 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxxx, XX 00000
Xxxxxx Xxxxxxxxx, Vice President -Tax, 000 X. Xxxxxxxx Xxxxx
Xxxxxx Xxxxxxxx Ltd.; President Xxxxxxx Xxxxx, XX 00000
SCHEDULE V
DIRECTORS AND EXECUTIVE OFFICERS
OF ALC COMMUNICATIONS CORPORATION
The following table sets forth the name, business address and present principal
occupation or employment of each director and executive officer of ALC
Communications Corp. Except as indicated below, each person is a U.S. citizen.
Name, Present Principal Occupation and Title Business Address and Citizenship
-------------------------------------------- --------------------------------
Xxxxxx X. Xxxxxxx, President, Global 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxx Xxxxx Xxxxxxx; Director Xxxxxxxxx, XX 00000
Xxxxx X. Xxxx, Treasurer; Treasurer and 000 Xxxxx Xxxxxxx Xxxxxx
Senior Vice President, Global Crossing Xxxxxxxxx, XX 00000
North America; Director
Xxxxx X. Xxxxxxx, Vice President; 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxx Xxxxxxxxx, XX 00000
Xxxxxxxxx X. Xxxxxx, Corporate 000 Xxxxx Xxxxxxx Xxxxxx
Secretary, Global Crossing North Rochester, NY 14646
America; Vice President
Xxxxxxx X. XxXxxxx, Assistant Secretary, 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxx Xxxxxxxx Xxxxx Xxxxxxx; Xxxxxxxxx, XX 00000
Secretary
Xxxxxxxx X. Xxxxxx, Assistant Secretary 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxxx, XX 00000
Xxxxxxx X. Xxxxxxx, U.S. Taxes Vice 000 Xxxxx Xxxxxxx Xxxxxx
President, Global Crossing North Rochester, NY 14646
America; Assistant Treasurer
Xxxxx Xxxxxxxxxx, Chief Operating 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxx, Xxxxxx Xxxxxxxx Xxxxx Xxxxxxx; Xxxxxxxxx, XX 00000
President
Xxxxxx Xxxx, Chief Financial Officer, 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxx Xxxxxxxx Xxxxx Xxxxxxx; Xxxxxxxxx, XX 00000
Chief Financial Officer
Xxxxxxxx Xxxxxx, Secretary, Global Seven Giralda Farms
Crossing Ltd.; Vice President Xxxxxxx, XX 00000
Xxxxxx Xxxxxxxxx, Vice President -Tax, 000 X. Xxxxxxxx Xxxxx
Xxxxxx Xxxxxxxx Ltd.; Vice President Xxxxxxx Xxxxx, XX 00000
SCHEDULE VI
DIRECTORS AND EXECUTIVE OFFICERS
OF GLOBAL CROSSING GLOBALCENTER HOLDINGS, INC.
The following table sets forth the name, business address and present principal
occupation or employment of each director and executive officer of Global
Crossing GlobalCenter Holdings, Inc. Except as indicated below, each person is
a U.S. citizen.
Name, Present Principal Occupation and Title Business Address and Citizenship
-------------------------------------------- --------------------------------
Xxxxxx X. Xxxxxxx, President, Global 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxxx Xxxxx Xxxxxxx; Director Xxxxxxxxx, XX 00000
Xxxxxx X. Xxxxxxx, Chief Technology 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxxx, Xxxxxx Xxxxxxxx Xxxxx Xxxxxxx; Xxxxxxxxx, XX 00000
Vice-President
Xxxxx Xxxxxxxxxx, Chief Operating 000 Xxxxx Xxxxxxx Xxxxxx
Officer, Global Crossing North Rochester, NY 14646
America; Chief Operating Officer
Xxxxx X. Xxxx, Treasurer and Senior Vice 000 Xxxxx Xxxxxxx Xxxxxx
President, Global Crossing Xxxxx Xxxxxxxxx, XX 00000
America; Treasurer
Xxxxxxx X. Xxxxxxx, U.S. Taxes Vice 000 Xxxxx Xxxxxxx Xxxxxx
President, Global Crossing North Rochester, NY 14646
America; Assistant Treasurer
Xxxxxx Xxxx, Chief Financial Officer, 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxx Xxxxxxxx Xxxxx Xxxxxxx; Xxxxxxxxx, XX 00000
Chief Financial Officer
Xxxxxxx X. XxXxxxx, Assistant Secretary, 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxx Xxxxxxxx Xxxxx Xxxxxxx; Xxxxxxxxx, XX 00000
Assistant Secretary
Xxxxxx X. XxXxx, Senior Vice President, 000 Xxxxx Xxxxxxx Xxxxxx
Xxxxxx Xxxxxxxx Xxxxx Xxxxxxx; Xxxxxxxxx, XX 00000
Vice President
Xxxxxxxx Xxxxxx, Secretary, Global Seven Giralda Farms
Crossing Ltd.; Vice President Xxxxxxx, XX 00000
Xxxxxx Xxxxxxxxx, Vice President-Tax , 000 X. Xxxxxxxx Xxxxx
Xxxxxx Xxxxxxxx Ltd.; Vice President Xxxxxxx Xxxxx, XX 00000
Xxxxxxxxx X. Xxxxxx, Corporate 000 Xxxxx Xxxxxxx Xxxxxx
Secretary, Global Crossing North Rochester, NY 14646
America; Secretary
Xxxxx Xxxxx, President and Chief 00 Xxxx Xxxxxx
Operating Officer, Global Crossing Xxx Xxxx, XX 00000
Ltd.; Vice President
