FOR IMMEDIATE RELEASE 99-164 Washington, DC, December 6, 1999 Media Advisory Media Briefing on Market Regulation Rules What: The Securities and Exchange Commission will conduct a media briefing tomorrow to discuss the three measures that will be considered at its open meeting on Wednesday, December 8, 1999. The briefing will be conducted by Market Regulation Director Annette Nazareth and Deputy Director Robert Colby. The three measure are: * Concept release on market information fees and revenues; * Adoption of an amendment to the Intermarket Trading System expanding the ITS/CAES linkage to all listed securities; and * Proposal to extend unlisted trading privileges to initial public offerings When: Tuesday, December 7, 1999 4:30 p.m. EST Where: Securities and Exchange Commission 450 5th Street, NW Washington, DC William O. Douglas Room Teleconfere Please call (202) 942-0020 for the teleconference nce: number. Embargo: Information provided at the briefing is embargoed until the Commission votes on Wednesday, December 8, 1999 at approximately 11:00 a.m. EDT. Other: Credentialed media only. # # #