Pacific Exchange To Trade Options On Instinet Group Incorporated And USEC, Inc.

The Pacific Exchange (PCX) will begin trading options on Instinet Group Incorporated (INET/UAU) and USEC, Inc. (USU) on Monday, June 4, 2001. For expiration cycles and strike prices, visit the Options Listing Bulletin section of the PCX Web site.

Instinet Group Incorporated (UAU) options will trade on the February expiration cycle. Position and exercise limits have been set at 31,500 contracts. This issue has been allocated to lead market maker Mark Krommenhoek of Knight Financial Products.

USEC, Inc. (USU) options will trade on the January expiration cycle. Position and exercise limits have been set at 22,500 contracts. This issue has been allocated to lead market maker George Stone of Botta Capital Management.