Corio

Prospectus Summary

You should read the following summary together with the more detailed information appearing elsewhere in this prospectus, especially "Risk Factors" and the financial statements and notes thereto.

Except as otherwise specified in this prospectus, all information herein:

- assumes no exercise of the underwriters' over-allotment option;

- gives effect to our two-for-one stock split in July 1999; and

     - gives effect to conversion of all outstanding shares of preferred stock
       into           shares of common stock upon consummation of this offering,
       assuming an offering price of $          .