Jeffrey A. Harris
Proxim Corporation  (PROX)
October 25, 2004

                                  Exhibit 99.1
                               Continuation Sheet

Note (1): Pursuant to that certain Securities Purchase Agreement (the "Purchase
          Agreement"), dated as of July 27, 2004, by and among Warburg Pincus
          Private Equity VIII, L.P., a Delaware limited partnership ("WP VIII"),
          the other purchasers named therein and Proxim Corporation (the
          "Company"), on October 22, 2004, WP VIII surrendered for cancellation
          an aggregate of 2,600,000 shares of the Series A Convertible Preferred
          Stock (the "Series A Preferred Stock") of the Company, 425,186 shares
          of the Series B Convertible Preferred Stock (the "Series B Preferred
          Stock") of the Company and Warrants (the "Warrants") to purchase an
          aggregate of 31,435,165 shares (at issuance) of the Company's Class A
          Common Stock, par value $0.01 per share (the "Common Stock"), in
          exchange for 346,680 shares of the Series C Preferred Stock (the
          "Series C Preferred Stock") of the Company and 142,133,339 shares of
          Common Stock. The Series A Preferred Stock was convertible by WP VIII,
          at any time and from time to time, at an initial conversion price of
          $3.0559 and at an initial conversion rate of approximately 8.1809
          shares of Common Stock for each share of Series A Preferred Stock
          converted, subject to certain adjustments as set forth in the
          Certificate of Designations, Preferences and Rights of the Series A
          Convertible Preferred Stock of Proxim Corporation (the "Series A
          Certificate of Designations"). The liquidation preference of the
          Series A Preferred Stock accreted at an annual rate of 8%, compounded
          semi-annually, as more fully described in the Series A Certificate of
          Designations. The Series B Preferred Stock was convertible by WP VIII,
          at any time and from time to time, into shares of Common Stock at an
          initial conversion price of $1.15, and at an initial conversion rate
          of approximately 86.96 shares of Common Stock for each share of Series
          B Preferred Stock converted, subject to certain adjustments as set
          forth in the Certificate of Designations, Preferences and Rights of
          Series B Preferred Stock of Proxim Corporation (the "Series B
          Certificate of Designations"). The liquidation preference of the
          Series B Preferred Stock accreted at an annual rate of 14%, compounded
          quarterly, as more fully described in the Series B Certificate of
          Designations. The Warrants were currently exercisable. The liquidation
          preference of the Series C Preferred Stock accretes at an annual rate
          of 8.75%, compounded quarterly, as more fully described in the
          Certificate of Designations, Preferences and Rights of Series C
          Preferred Stock of Proxim Corporation.

          The sole general partner of WP VIII is Warburg Pincus & Co., a New
          York general partnership ("WP"). Warburg Pincus LLC, a New York
          limited liability company ("WP LLC"), manages WP VIII. By reason of
          the provisions of Rule 16a-1 of the Securities Exchange Act of 1934,
          as amended, WP VIII, WP and WP LLC may be deemed to be the beneficial
          owners of the shares of Series C Preferred Stock and the shares of
          Common Stock. WP and WP LLC disclaim beneficial ownership of such
          securities, except to the extent of any indirect pecuniary interest
          therein. Jeffrey A. Harris is a partner of WP and a member and
          managing director of WP LLC. As such, Mr. Harris may be deemed to be
          the beneficial owner (within the meaning of Rule 16a-1 under the
          Securities Exchange Act of 1934) of an indeterminate portion of the
          securities benefically owned by WP and WP LLC. Mr. Harris is also a
          member of the board of directors of the Company. Mr. Harris disclaims
          any beneficial ownership of the securities reported herein as owned.

Note (2): The Series A Preferred Stock was to be redeemed by the Company on
          August 5, 2007 for an amount equal to the liquidation value then in
          effect plus all accrued and unpaid dividends. The Series B Preferred
          Stock was to be redeemed by the Company on July 30, 2011 for an amount
          equal to the liquidation value then in effect plus all accrued and
          unpaid dividends.

Note (3): 1/3 of the shares underlying the stock option vest immediately and 1/3
          of the shares underlying the stock option vest on each anniversary
          date of the grant, such that all of the shares underlying the stock
          option will be vested and exercisable on the second anniversary of the
          date of the grant.


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