1 Filed Pursuant to Rules 424(b)(3) and (c) Registration Number 333-86199 Prospectus Supplement dated January 25, 2000 to the Prospectus dated December 8, 1999 ------------------------ 1. The "expiration date" defined in the ninth paragraph on page 18 of the Prospectus, and each and every reference thereto, has been revised to be defined as "5:00 p.m., New York City time, on January 25, 2000, or on a later extended date and time as we may decide." ------------------------ IN CONNECTION WITH THE SUPPLEMENTAL DISCLOSURE SET FORTH ABOVE, PLEASE SEE 'RISK FACTORS' BEGINNING ON PAGE 12 OF THE PROSPECTUS.