DoubleClick, provider of digital advertising technology and services, today announced that after a four month competitive pitch it has been chosen by Hotels.com, an Expedia Inc. (NASDAQ : EXPE) brand, to provide technical solutions for display, paid search and affiliate advertising for its European points of sale. The worlds most visited online hotel booking site, Hotels.com offers its customers the best prices on over 25,000 hotels worldwide.

Jonty Kelt, Product Director for DART Search at DoubleClick said: �DoubleClick�s mix of technology and resources are central to our business offering. We were able to offer Hotels.com a technology package to suit its multichannel requirements as well as support and resources from our teams in UK, Ireland, Germany, France, Spain and Italy. As a result we are delighted to be working with Hotels.com on a pan-European basis. � Patrik Oqvist, Director of Marketing, Hotels.com, EMEA said: �Our aim is to consistently be at the forefront of online marketing and we chose DoubleClick not only for its technology but for its total offering. As a worldwide company with a good knowledge of systems for both banner and search, DoubleClick enables us to optimise efficiency on our pan-European marketing campaigns.�

After a thorough review of all the leading online marketing technologies, Hotels.com decided to use DoubleClick�s digital advertising products to serve display advertising across the web and manage its paid search campaigns across various engines. Hotels.com will use the following DoubleClick products to evaluate search and online advertising campaign performance:

DoubleClick DART for Advertisers (DFA), a hosted, web based ad management and serving application for analysing online campaigns. DoubleClick DART Search, a web based solution to centrally manage, track and optimise search engine advertising across multiple search engines

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About Hotels.com

www.hotels.com is the world�s most visited online hotels bookings site and the global hotels expert. Operating in all major markets with dedicated staff, www.hotels.com is able to offer the widest range of quality hotels backed by impartial advice. www.hotels.com guarantees the best price in over 25,000 hotels and has a further 45,000 hotels on the site. Travellers can book online or by contacting one of our multi-lingual call centres on 0871 200 0171.

About DoubleClick Digital Advertising Solutions

DoubleClick Digital Advertising Solutions is an operating unit of DoubleClick Inc. that together with DoubleClick Email Solutions enables agencies, marketers and publishers to work together successfully and profit from their digital marketing investments. Its focus on innovation, reliability and insight enables clients to improve productivity and results. Since 1996, DoubleClick has empowered the original thinkers and leaders in the digital advertising industry to deliver on the promise of the rich possibilities of our medium. Today, the company�s DART solutions power the online advertising marketplace. Tomorrow, we will continue to enable clients to profit from opportunities across all digital advertising channels as consumers worldwide embrace them.

DoubleClick has global headquarters in New York City and maintains 21 offices around the world to serve its more than 1500 clients. www.doubleclick.com

For more information please contact:

Maddy Press at AxiCom (for DoubleClick)

020 8392 4066

maddy.press@axicom.com

Alison Couper at Hotels.com

00 44 (0) 207 019 2360

a-acouper@hotels.com