Exhibit 21

LIST OF SUBSIDIARIES

AS OF DECEMBER 31, 2013*

Name	Jurisdiction of Incorporation	Percent Ownership
Booking.com B.V.	The Netherlands	100%
Booking.com Holding B.V.	The Netherlands	100%
Booking.com Limited	United Kingdom	100%
KAYAK Software Corporation	Delaware	100%
Lowestfare.com LLC	Delaware	100%
Priceline.com Agoda Holdco, LLC	Delaware	100%
Priceline.com Bookings Acquisition Company Limited	United Kingdom	100%
Priceline.com Europe Holdco, Inc.	Delaware	100%
Priceline.com Holdco U.K. Limited	United Kingdom	100%
priceline.com International Ltd.	United Kingdom	100%
priceline.com Mauritius Company Limited	Mauritius	100%
TravelJigsaw Holdings Limited	United Kingdom	100%
TravelJigsaw Limited	United Kingdom	100%
Travelweb LLC	Delaware	100%

* Subsidiaries which, when considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary as of December 31, 2013, have been excluded.