Underwriters (U. S. Representatives).......................  Number of Shares
________________________________________________________________________________

Merrill Lynch, Pierce, Fenner & Smith
             Incorporated...................................  1,684,800
U.S. Bancorp Piper Jaffray Inc. ............................    631,800
Wit SoundView Corporation...................................    631,800
SG Cowen Securities Corporation.............................    561,600
ABN AMRO Incorporated.......................................     60,000
Bear, Stearns & Co. Inc. ...................................     60,000
Dain Rauscher Incorporated..................................     60,000
Salomon Smith Barney Inc. ..................................     60,000
UBS Warburg LLC.............................................     60,000
Thomas Weisel Partners LLC..................................     60,000
William Blair & Company, L.L.C. ............................     30,000
W.R. Hambrecht + Co., LLC...................................     30,000
Hoefer & Arnett Incorporated................................     30,000
Raymond James & Associates, Inc. ...........................     30,000
Sands Brothers & Co., Ltd. .................................     30,000
Utendahl Capital Partners, L.P. ............................     30,000
________________________________________________________________________________
Total.......................................................  4,050,000

Underwriters (International Managers).......................  Number of Shares
________________________________________________________________________________
Merrill Lynch International.................................   216,000
U.S. Bancorp Piper Jaffray Inc. ............................    81,000
Wit SoundView Corporation...................................    81,000
SG Securities (HK) Limited..................................    72,000
________________________________________________________________________________
Total.......................................................   450,000