CTRP [CTRIP COM INTERNATIONAL] FWP: QuickLinks — Click here to rapidly navigate through
[QuickLinks -- Click here to rapidly navigate through this document https://www.sec.gov/Archives/edgar/data/1269238/000104746916015261/a2229623z424b5.htm This issuer free writing prospectus updates the information contained in the Preliminary Prospectus Supplement to reflect the increases in the number of ADSs being offered and the aggregate principal amount of our convertible notes, impact on net proceeds and capitalization tables, as well as certain other changes. The free]