Relationships	Role	Relationship Start	Relationship End
Norwest Limited Lp, Lllp	Parent	4/10/2000
Itasca Vc Partners Viii, Llp	Parent	3/28/2012
Digital Access, Inc.	Subsidary	9/21/2000	8/31/2001
Optivo Corporation	Subsidary	9/21/2000	8/31/2001
Covigo, Inc.	Subsidary	9/21/2000	8/31/2001
Virtela Communications, Inc.	Subsidary	9/21/2000	8/31/2001
Valiant Networks, Inc.	Subsidary	9/21/2000	8/31/2001
Winphoria Networks, Inc.	Subsidary	9/21/2000	8/31/2001
Wired Business, Inc.	Subsidary	8/17/2001	8/31/2001
Eforce, Inc.	Subsidary	9/21/2000	8/31/2001
Inkra Networks Corporation	Subsidary	11/14/2000	8/31/2001
Altoweb, Inc.	Subsidary	9/21/2000	8/31/2001
Brecis Communications Corporation	Subsidary	9/21/2000	8/31/2001
Occam Networks, Inc.	Subsidary	3/7/2001	8/31/2001
Wired Business, Inc.	Subsidary	3/26/2001	8/16/2001
Resonext Communications, Inc.	Subsidary	9/21/2000	4/15/2001
Wired Business, Inc.	Subsidary	9/21/2000	3/25/2001
Optranet, Inc.	Subsidary	12/31/2000	2/28/2001