LAS VEGAS, April 18, 2006 – Bally Technologies, Inc. (NYSE: BYI), a leader in slots, video machines and casino management systems for the global gaming industry, announced today its Bally Casino Management Systems (CMS®) / Bally Slot Management Systems (SMS®) division based in Nice, France, has sold a systems solution to Pinnacle Entertainment, Inc. for the new casino Pinnacle will be operating in Great Exuma, The Bahamas. Scheduled to open in mid-May and adjacent to the Four Seasons Resort Great Exuma at Emerald Bay, the Pinnacle-operated casino chose Bally’s MCC solution in part because its modular architecture makes it scalable to small- and medium-sized casinos. “MCC offers a total systems solution for comprehensive slot machine accounting, management, security, and monitoring. It’s a good fit for us,” said Carol Pride, Chief Information Officer for Pinnacle. “We like this Bally system because of its user-friendly, intuitive design. Bally has proven that the MCC solution is a very powerful tool in small casino environments such as the one we have in our Exuma, Bahamas property. Our location is really a boutique casino situated in a high-end resort, where customer service will be paramount. The MCC system fills this niche very nicely.” “The Casino at Emerald Bay, to be operated by Pinnacle Entertainment, selected the MCC system because of its turnkey nature as an integrated casino management and slot management platform all in one,” said Ramesh Srinivasan, Executive Vice President of Bally Technologies. “MCC’s suite of products has a wealth of customer relationship management tools to help meet the needs of marketing programs and allows for a flexible level of investment, depending on the size of your operation.”

Recognized as the industry systems leader with more than 345,000 machines and 625 casino, bingo, Class II, central determination and lottery locations worldwide — including more than 150 locations currently running Bally eTICKET™ on more than 152,000 slot machines — the Bally systems product line offers slot machine cash monitoring, table management, cashless, accounting, security, maintenance, marketing, promotional and bonusing capabilities, enabling operators to accurately analyze performance and accountability while providing an enhanced level of customer service.

With a history dating back to 1932, Las Vegas-based Bally Technologies designs, manufactures, operates and distributes advanced gaming devices, systems and technology solutions worldwide. Bally’s product line includes reel-spinning slot machines, video slots, wide-area progressives and Class II, lottery and central determination games and platforms. As the world’s No. 1 gaming systems company, Bally also offers an array of casino management, slot accounting, bonusing, cashless and table management solutions. The Company also owns and operates Rainbow Casino in Vicksburg, Miss. Additional information on the Company can be found at www.BallyTech.com.

This news release may contain “forward-looking” statements within the meaning of the Securities Act of 1933, as amended, and is subject to the safe harbor created thereby. Such information involves important risks and uncertainties that could significantly affect the results in the future and, accordingly, such results may differ from those expressed in any forward-looking statements. Future operating results may be adversely affected as a result of a number of risks that are detailed from time to time in the company’s filings with the Securities and Exchange Commission.

—BALLY TECHNOLOGIES, INC.—