Kees Koolen Named Chief Executive Officer Of Priceline.com's Booking.com International Business Unit

NORWALK, Conn. | Priceline.com (Nasdaq: PCLN) today announced the promotion of Kees Koolen, 42, to Chief Executive Officer of Booking.com B.V., which is priceline.com's principal international business unit. Mr. Koolen will report to priceline.com's President and Chief Executive Officer, Jeffery H. Boyd. The promotion will be effective September 1, 2008.

Mr. Koolen is Booking.com's Chief Operating Officer. He will succeed Stef Norden, 39, who is retiring to pursue other personal interests, but will continue as a member of the Board of Directors of priceline.com International Limited. Mr. Norden has served as Booking.com's Chief Executive Officer for five years. Booking.com was acquired by priceline.com in July 2005.

"Through Stef Norden's leadership, Booking.com has become Europe's fastest growing internet hotel service, operating in over 60 countries and 17 languages with an expanding base of more than 45,000 hotel partners," said Mr. Boyd. "In the 1st quarter 2008, which we reported today, our international operations, led by Booking.com, achieved $1 billion in gross bookings, which represents an increase of 99.7% over a year ago. Stef has worked tirelessly to expand our business across Europe and now into Asia, and he has been instrumental in the business integration that has made Booking.com a worldwide leader in online hotel reservations."

Mr. Koolen has been part of the Booking.com management team for seven years and has acted as Chief Operating Officer for five years. Before joining Booking.com, he was an active investor in a number of internet start-ups and served as an independent management consultant.

"Kees Koolen is a Booking.com management veteran who has extensive experience in the business, a deep knowledge of the competitive environment and a thorough understanding of priceline.com's global strategic objectives," said Mr. Boyd. "He also is well-known to our hotel supplier partners. Kees' broad experience and leadership skills will be valuable assets to Booking.com and priceline.com as we continue building a global brand. I look forward to working with him in his new role and leveraging his considerable expertise."