Underwriters .................................................  Number of Shares
________________________________________________________________________________
   Credit Suisse First Boston Corporation............................. 2,975,000
   Chase Securities Inc. ............................................. 1,785,000
   U.S. Bancorp Piper Jaffray Inc. ................................... 1,190,000
   William Blair & Company, L.L.C.....................................   105,000
   Deutsche Bank Securities Inc. .....................................   105,000
   E*Offering Corp....................................................   105,000
   Invemed Associates LLC.............................................   105,000
   Lehman Brothers Inc. ..............................................   105,000
   Needham & Company, Inc. ...........................................   105,000
   Pacific Crest Securities, Inc. ....................................   105,000
   Prudential Securities Incorporated.................................   105,000
   Sands Brothers & Co., Ltd..........................................   105,000
   Wit SoundView Corporation..........................................   105,000
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Total................................................................. 7,000,000