Pacific Exchange To Trade Options On DigitalThink, Inc.

The Pacific Exchange (PCX) will begin trading options on DigitalThink, Inc. (DTHK/DTU) on Thursday, August 31, 2000. For expiration cycles and strike prices, visit the PCX Web site at www.pacificex.com.

DTU options will trade on the January expiration cycle. Position and exercise limits have been set at 22,500 contracts. DTU options have been allocated to lead market maker Matt Zahner of DRZ Derivatives, LLC.