Exhibit 99.1 JANUARY 1, 1999 AMENDMENT TO AGREEMENT This Amendment to Agreement (the "Amendment"), effective as of January 1, 1999, is entered into between SPORTSLINE USA, INC., 6340 NW 5th Way, Ft. Lauderdale, Florida 33309 ("SportsLine USA") and CBS...To Agreement • February 25th, 1999 • Sportsline Usa Inc • Services-computer processing & data preparation
