Exhibit 99.1



                               CONTINUATION SHEET

1.    Name:    Warburg, Pincus Ventures, L.P.
      Address: 466 Lexington Avenue
               New York, New York 10017

2.    Name:    Warburg Pincus LLC (Manager of WPV)
      Address: 466 Lexington Avenue
               New York, New York 10017

3.    Name:    Warburg Pincus Partners LLC (General Partner of WPV)
      Address: 466 Lexington Avenue
               New York, New York 10017

Designated Filer:  Warburg Pincus & Co. (Managing Member of WPP, General Partner
                   of WPV)
Issuer & Ticker Symbol:    Knoll, Inc. (KNL)
Date of Event Requiring Statement:  May 19, 2006



Note (1): The  stockholders are Warburg, Pincus Ventures, L.P., a Delaware
          limited partnership ("WPV"), and Warburg Pincus & Co., a New York
          generalpartnership ("WP"). The sole general partner of WPV is Warburg
          Pincus Partners LLC, a New York limited liability company ("WPP"),
          whose managing member is WP. Warburg Pincus LLC, a New York limited
          liability company ("WP LLC" and together with WPV, WPP and WP, the
          "Warburg Pincus Entities"), manages WPV. Charles R. Kaye and Joseph P.
          Landy are Managing General Partners of WP and Managing Members of WP
          LLC and may be deemed to control the Warburg Pincus Entities. Messrs.
          Kaye and Landy disclaim beneficial ownership of all shares held by the
          Warburg Pincus Entities. By reason of the provisions of Rule 16a-1 of
          the Securities Exchange Act of 1934, as amended, the other Warburg
          Pincus Entities may be deemed to be the beneficial owners of the
          shares of Common Stock, par value $0.01 per share, of the Company held
          by WPV and WP (the "Shares"). Each of the Warburg Pincus Entities
          disclaims beneficial ownership of any of the Shares owned of record by
          any other Warburg Pincus Entity, except to the extent of any indirect
          pecuniary interest therein. The address of each Warburg Pincus
          Entities is 466 Lexington Avenue, New York, NY 10017.




                           WARBURG PINCUS VENTURES L.P.

                           By: Warburg Pincus Partners LLC,
                                    General Partner


                            By: Warburg Pincus & Co.,
                                 Managing Member

                           By:     /s/ Scott A. Arenare             May 22, 2006
                                  ----------------------------      ------------
                                  Name:    Scott A. Arenare           Date
                                  Title:   Partner







                           WARBURG PINCUS LLC


                           By:     /s/ Scott A. Arenare             May 22, 2006
                                  ----------------------------      ------------
                                  Name:    Scott A. Arenare           Date
                                  Title:   Managing Director



                            WARBURG PINCUS PARTNERS LLC


                           By:     /s/ Scott A. Arenare             May 22, 2006
                                  ----------------------------      ------------
                                  Name:    Scott A. Arenare           Date
                                  Title:   Partner