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

Designated Filer:                  Warburg Pincus & Co. (General Partner of WPV)
Issuer & Ticker Symbol:            Knoll, Inc. (KNL)
Date of Event Requiring Statement: December 13, 2004

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


                                      WARBURG, PINCUS VENTURES L.P.

                                      By:      WarburgPincus & Co.,
                                               General Partner

                                      By:      /s/Scott A. Arenare      12/13/04
                                           ---------------------------  --------
                                      Name:    Scott A. Arenare           Date
                                      Title:   Partner


                                      WARBURG PINCUS LLC


                                      By:      /s/Scott A. Arenare      12/13/04
                                           ---------------------------  --------
                                      Name:    Scott A. Arenare           Date
                                      Title:   Managing Director