MGM MIRAGE to Enter 'For Prize' Internet Entertainment Venture

August 23, 2000

MGM MIRAGE (NYSE: MGG) today announced an agreement with WagerWorks, a subsidiary of Silicon Gaming (OTC: SGIC) (BULLETIN BOARD: SGIC) to jointly create, launch and operate an on-line entertainment venture that will feature the MGM MIRAGE brands.

The initial site, called, will dynamically re-create the Las Vegas Strip on-line, allowing visitors to enjoy virtual recreations of The Mirage, the MGM Grand - The City of Entertainment, Bellagio, Treasure Island, New York - New York as well as Beau Rivage, the company's resort hotel/casino in Biloxi, Mississippi.

Visitors can select from a variety of games all created using Silicon Gaming's proprietary WagerWare™ technology. Each game will allow visitors to accumulate points based on length of play that can be redeemed for prizes including vacations, shows, special events and travel packages for MGM MIRAGE properties.

"The Internet has proven to be an exciting, emerging medium for both information exchange and entertainment," said J. Terrence Lanni, Chairman of MGM MIRAGE. "Our agreement with WagerWorks will allow us to better leverage the Internet as a marketing tool for our family of properties," Lanni said.

The companies expect to launch the site in the fourth quarter. "We are employing the most cutting edge technologies in an effort to create a web-site that sets new standards for both security and integrity as well as entertainment value," said Andrew Pascal, president and CEO of WagerWorks.

MGM MIRAGE™ is an entertainment, hotel and gaming company headquartered in Las Vegas, Nevada, which owns and/or operates through subsidiaries 18 casino properties on three continents. Its U.S. holdings include: the MGM Grand Hotel and Casino - The City of Entertainment, Bellagio, The Mirage, Treasure Island, New York - New York Hotel and Casino, the Boardwalk Hotel and Casino and 50% of Monte Carlo, all located on the Las Vegas Strip; The Golden Nugget in Downtown Las Vegas; Whiskey Pete's, Buffalo Bill's and the Primm Valley Resort in Primm, Nevada as well as two championship golf courses at the California/Nevada state line; The Golden Nugget in Laughlin, Nevada; the Beau Rivage Resort on the Mississippi Gulf Coast; and the MGM Grand Detroit Casino in Detroit, Michigan. The company is a joint venture partner on a resort under development in Atlantic City, New Jersey and also controls several development sites in the ocean-front resort community. Internationally, MGM Grand owns and operates the MGM Grand Hotel and Casino in Darwin, Australia and manages casinos in Nelspruit, Witbank and Johannesburg, Republic of South Africa.

For more information on MGM MIRAGE™ and its operating subsidiaries, visit our websites at and

Statements in this release which are not historical facts are "forward looking" statements and "safe harbor statements" under the Private Securities Litigation Reform Act of 1995 that involve risks and/or uncertainties, including risks and/or uncertainties as described in the Company's public filings with the Securities and Exchange Commission.


Contact: Investment Community, James J. Murren, President & CFO,
702-693-8877, or Media, Alan Feldman, Vice President, 702-693-7147, both of
MGM Mirage



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