Bangkok, Thailand; — December 18, 2003 — MICROS Systems, Inc. (Nasdaq:MCRS), a leading provider of information technology solutions for the hospitality and retail industries, announced today that Dusit Hotels & Resorts, Thailand’s premium deluxe hotel management company, has selected the OPERA Enterprise Solution as its
new standard for information technology.

“Dusit Hotels & Resorts went through a very detailed selection process,” said Khun Chanin Donavanik, Executive Director of Dusit Thani PLC. “Integration of the OPERA modules, advanced technology, the robust ORACLE database, the cost effective product distribution connection options, MICROS’s global support infrastructure, and the financial stability of MICROS Systems, Inc. made OPERA the logical choice for Dusit
Hotels & Resorts. Our flagship property, The Dusit Thani Hotel in Bangkok, is the first hotel utilizing OPERA – not only within the Dusit group but also in the city of Bangkok.This clearly demonstrates Dusit’s ongoing commitment to provide the business and leisure travelers the most advanced and up-to-date accommodation, business, and dining experiences.”

Stefan M. Piringer, President of MICROS-Fidelio Asia/Pacific added: “Dusit Hotels & Resorts selection of OPERA is a powerful vote of confidence for MICROS-Fidelio’s ongoing efforts to provide the hospitality industry with the most advanced and integrated hotel automation solutions. We look forward to more Dusit group hotels utilizing OPERA in the near future.”

About Dusit Hotels & Resorts

About Dusit Hotels & Resorts Dusit Hotels & Resorts has gained an unmatched reputation for exclusive luxury accommodation, find dining, modern facilities and impeccable service for both business and leisure travelers alike.

With 20 hotels in Thailand, Indonesia, the Philippines, and the United Arab Emirates,
operating under the Dusit and Princess brands, the company is the leading,international Thai based hotel chain. For more information please visit www.Dusit.com.