Throughout the entire month of May 2010 earn 25% more miles on all international THAI operated flights and in all classes of service. Class of Service Total Earned Miles Royal First Class 175% Royal Silk Class 150% Premium Economy Class 135% Economy Class 125% To be eligible for bonus miles you must register online at http://www.thaiairways.com/rop Log onto your account using your membership number and PIN and click on the registration icon. Registration is from April 1 - 28 only, and once completed you’ll earn bonus miles on each qualifying flight during May. Flights must be operated by THAI, with departures during May 1 - 31, 2010, and bonus miles are earned on all paid fares, excluding those in booking classes G, V and W. Be sure to register before the promotion starts on May 1 and boost your account with 25% more miles each time you fly in celebration of THAI’s 50th Anniversary. Terms and Conditions: Bonus miles are earned on THAI operated international flights only and are subject to eligible booking classes. Online registration is required between April 1 - 28, 2010 to earn bonus miles.