[WuXi PharmaTech (Cayman) Inc. Form 6-K Press Release dated July 15, 2010 99.1 Presentation 99.2 WuXi PharmaTech (Cayman) Inc.]

[WuXi PharmaTech (Cayman) Inc. Form 6-K Press Release dated July 13, 2010 99.1 Charles River and WuXi Investor Presentation 99.2 WuXi Investor Presentation 99.3]

[WuXi PharmaTech (Cayman) Inc. Form 6-K Disclosure Charles River WuXi Antitrust Division FTC HSR Act Transaction As previously disclosed, both Charles River Laboratories International, Inc. (“ second request On July 12, 2010, WuXi received a Request for Additional Information (commonly referred to as a “ Completion of the Transaction remains subject to the approval of both Charles River and WuXi]

[WuXi PharmaTech (Cayman) Inc. Form 6-K Scheme Document dated July 1, 2010 99.1 Letter to Shareholders dated July 1, 2010 99.2 Form of Proxy 99.3 Voting Instruction Card 99.4 WuXi PharmaTech (Cayman) Inc. S E I / Ge Li Chairman and Chief Executive Officer THIS DOCUMENT IS IMPORTANT AND REQUIRES YOUR IMMEDIATE ATTENTION If you are in doubt If you]

[Form 6-K TABLE OF CONTENTS Page 3 4 2]