Fort Lauderdale, FL (April 2, 2003) - SportsLine.com, Inc. (Nasdaq: SPLN), a leading sports Internet sports media company and publisher of CBS SportsLine.com (http://cbs.sportsline.com), today announced that 5,454,428 shares of its common stock were issued to CBS Broadcasting Inc., a unit of Viacom Inc. (NYSE: VIA, VIAB), on April 1, 2003. The stock was issued pursuant to the terms of SportsLine.com's existing contract with CBS, as amended. As previously announced on March 6, 2003, the contract was amended to, among other things, limit the number of shares that SportsLine.com was obligated to issue to CBS on April 1, 2003 to a number of shares that will not increase Viacom's beneficial ownership of SportsLine.com's outstanding shares above 39.9% while maintaining the aggregate payment amounts over the term of the agreement.

Upon issuance, Viacom beneficially owns approximately 17.3 million shares of SportsLine.com's common stock, representing approximately 39.9% of the Company's approximately 43.4 million total outstanding common shares. The shares issued to CBS were valued at $5,399,884 and the remainder of the Company's 2003 obligation of $20 million will be deferred until July 1, 2004, in accordance with the March 2003 amendment.

About SportsLine.com, Inc.
SportsLine.com (Nasdaq:SPLN) is at the leading edge of media companies providing Internet sports content, community and e-commerce. As the publisher of CBS SportsLine.com and the official Web sites of the NFL, PGA TOUR and NCAA Sports, the Company serves as one of the most comprehensive sports information sources available, containing an unmatched breadth and depth of multimedia sports news, information, entertainment and merchandise. SportsLine.com also serves as a primary sports content provider for America Online.

Note: This press release contains forward-looking statements, which involve risks and uncertainties. SportsLine.com's actual results could differ materially from those anticipated in these forward-looking statements. Factors that might cause or contribute to such differences include, among others, competitive pressures, dependence on advertising revenues, which are difficult to forecast, the growth rate of the Internet, constantly changing technology and market acceptance of the company's products and services. Investors are also directed to consider the other risks and uncertainties discussed in SportsLine.com's Securities and Exchange Commission filings, including those discussed under the caption "Risk Factors That May Affect Future Results" in SportsLine.com's latest Annual Report on Form 10-K. SportsLine.com undertakes no obligation to publicly release the result of any revisions to these forward-looking statements, which may be made to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

For further information, contact: SportsLine.com Inc. — Corporate Communications — (954) 489-4000 Larry Wahl – Ext.7225 Alex Riethmiller – Ext. 7535