EX-99.1 2 w45606bex99-1.txt JOINT FILING AGREEMENT 1 EXHIBIT 99.1 JOINT FILING AGREEMENT We, the signatories of the statement to which this Joint Filing Agreement is attached, hereby agree that such statement is filed, and any amendments thereto filed by either or both of us will be filed, on behalf of each of us. Dated: February 14, 2001. TCG HOLDINGS, L.L.C. By: /s/ Bruce E. Rosenblum ----------------------- Name: Bruce E. Rosenblum Title: Managing Director TC GROUP, L.L.C. By: TCG Holdings, L.L.C., its Managing Member By: /s/ Bruce E. Rosenblum ----------------------- Name: Bruce E. Rosenblum Title: Managing Director TCG VENTURES, L.L.C. By: TC Group, L.L.C., its Sole Member By: TCG Holdings, L.L.C., its Managing Member By: /s/ Bruce E. Rosenblum ------------------------ Name: Bruce E. Rosenblum Title: Managing Director CARLYLE U.S. VENTURE PARTNERS, L.P. By: TCG Ventures, L.L.C., its General Partner By: TC Group, L.L.C., its Sole Member By: TCG Holdings, L.L.C., its Managing Member By: /s/ Bruce E. Rosenblum ----------------------- Name: Bruce E. Rosenblum Title: Managing Director CARLYLE VENTURE COINVESTMENT, L.L.C. By: TCG Ventures, L.L.C., its Managing Member By: TC Group, L.L.C., its Sole Member By: TCG Holdings, L.L.C., its Managing Member By: /s/ Bruce E. Rosenblum ----------------------- Name: Bruce E. Rosenblum Title: Managing Director 2 TCG VENTURES, LTD. By: TCG Ventures, L.L.C., its Sole Shareholder By: TC Group, L.L.C., its Sole Member By: TCG Holdings, L.L.C., its Managing Member By: /s/ Bruce E. Rosenblum ------------------------ Name: Bruce E. Rosenblum Title: Managing Director CARLYLE VENTURE PARTNERS, L.P. By: TCG Ventures, Ltd., its General Partner By: TCG Ventures, L.L.C., its Sole Shareholder By: TC Group, L.L.C., its Sole Member By: TCG Holdings, L.L.C., its Managing Member By: /s/ Bruce E. Rosenblum ----------------------- Name: Bruce E. Rosenblum Title: Managing Director C/S VENTURE INVESTORS, L.P. By: TCG Ventures, Ltd., its Managing General Partner By: TCG Ventures, L.L.C., its Sole Shareholder By: TC Group, L.L.C., its Sole Member By: TCG Holdings, L.L.C., its Managing Member By: /s/ Bruce E. Rosenblum ----------------------- Name: Bruce E. Rosenblum Title: Managing Director