[CTRIP.COM INTERNATIONAL, LTD. [ · representing [ · (par value US$0.01 per share) Underwriting Agreement [ · J.P. Morgan J. P. Morgan Securities LLC (“ 383 Madison Avenue New York, New York 10179 Morgan Stanley Morgan Stanley & Co. International plc (“ 25 Cabot Square Canary Wharf London E14 4QA United Kingdom As the several Underwriters listed in Schedule 1] [001-33853 CTRIP.COM INTERNATIONAL, LTD. 968 Jin Zhong Road Shanghai 200335, People’s Republic of China Form 20-F x Form 40-F o o o EXPLANATORY NOTE 2 CTRIP.COM INTERNATIONAL, LTD.]

[Ctrip.com International, Ltd. Announces Proposed Offering of 22,500,000 American Depositary Shares SHANGHAI, September 6, 2016 — Ctrip.com International, Ltd. (Nasdaq: CTRP), a leading travel service provider of accommodation reservation, transportation ticketing, packaged tours and corporate travel management in China (“Ctrip” or the “Company”), today announced the commencement of the offering of 22,500,000 American depositary shares (the “ADSs”), each representing 0.125] [Ctrip.com International, Ltd. Announces Proposed Offering of US$750 Million Convertible Senior Notes SHANGHAI, September 6, 2016 — Ctrip.com International, Ltd. (Nasdaq: CTRP), a leading travel service provider of accommodation reservation, transportation ticketing, packaged tours and corporate travel management in China (“Ctrip” or the “Company”), today announced that it proposes to offer up to US$750 million in aggregate principal amount of] [001-33853 CTRIP.COM INTERNATIONAL, LTD. 968 Jin Zhong Road Shanghai 200335, People’s Republic of China Form 20-F x o o o CTRIP.COM INTERNATIONAL, LTD.]

[Ctrip Reports Unaudited Second Quarter of 2016 Financial Results Shanghai, China, Aug 31, 2016 - Ctrip.com International, Ltd. (Nasdaq: CTRP), a leading travel service provider of accommodation reservation, transportation ticketing, packaged tours and corporate travel management in China (“Ctrip” or the “Company”), today announced its unaudited financial results for the second quarter ended June 30, 2016. Highlights for the Second] [001-33853 CTRIP.COM INTERNATIONAL, LTD. 99 Fu Quan Road Shanghai 200335, People’s Republic of China Form 20-F x o o o CTRIP.COM INTERNATIONAL, LTD. By :]