WuXi PharmaTech (Cayman) Inc. today announced that RiskMetrics Group’s ISS Proxy Advisory Services (“ISS”), an independent proxy voting and corporate governance advisory firm, has recommended that WuXi shareholders vote for Charles River’s proposed acquisition of WuXi. Two other proxy advisory services, Glass Lewis and Proxy Governance, previously recommended that WuXi shareholders vote for the transaction.

“We are pleased that ISS, Glass Lewis and Proxy Governance all recognize the merit of this unique combination for WuXi and are advising WuXi shareholders to approve it,” said Dr. Ge Li, Chairman and CEO of WuXi PharmaTech. “We remain fully committed to this transaction and urge our shareholders to vote their shares for the proposed acquisition.”