Parties to the Transaction

Teligent is a privately held corporation organized under the laws of the state of Delaware with its principal business office located in Hendon, Virginia. As part of its business, Teligent develops digital microwave networks that provide customers with high band width, low-cost telecommunications services. Teligent does not hold a certificate of public convenience and necessity (CPCN) to provide telecommunications services in California.

TSI is a wholly-owned operating subsidiary of Teligent and currently offers resold long distance service in all 50 states and the District of Columbia. TSI holds CPCNs granted by the Commission to operate both as a facilities-based and a non-facilities based competitive local exchange and local long distance carrier in California.² TSI also provides private line and broadband data services using fixed microwave facilities in 74 markets in the United States.

Aspen - Series A is a "series" of Aspen. Aspen is a limited partnership organized under the laws of Delaware. Although Aspen - Series A does not have a separate certificate of limited partnership, Aspen's certificate of limited partnership indicates that each series of limited partnership interests has separate rights, powers and duties with respect to the property and obligations of Aspen and the associated profits and losses. Entities that hold a partnership interest in Aspen - Series A do not necessarily hold an interest in Aspen.

Aspen - Series A's primary business is to provide financial investment and management services. Aspen - Series A is controlled by Nikos Hecht, the managing member of Aspen Capital, LLC, which holds a general partnership interest in Aspen - Series A. Mr. Hecht holds 62.01% of the equity in Aspen - Series A. Aspen Offshore Ltd. holds a 26.26% limited partnership interest in Aspen - Series A. No other entity or individual holds an interest of 10% or greater in Aspen - Series A.