Common Contracts

Primavera Capital Management Ltd. Beijing | Hong Kong | Shanghai Suite 5801, Two International Finance Centre Central, Hong Kong General line: 852 3767 5000 General fax: 852 3767 5001

Equity Commitment Letter • March 31st, 2011 • Primavera SPV Ltd. • Miscellaneous chemical products • New York

• Contract Type
  Equity Commitment Letter
• Filed
  March 31st, 2011
• Company
  Primavera SPV Ltd.
• Industry
  Miscellaneous chemical products
• Jurisdiction
  New York

Reference is made to the Agreement and Plan of Merger, dated as of March 21, 2011 (as it may be amended from time to time, the “Merger Agreement”), by and among Halogen Limited, an exempted company with limited liability incorporated under the laws of the Cayman Islands (“Parent”), Halogen Mergersub Limited, an exempted company with limited liability incorporated under the laws of the Cayman Islands, all of the outstanding shares of which are owned by Parent (“Merger Sub”), and Chemspec International Limited, an exempted company with limited liability incorporated under the laws of the Cayman Islands (the “Company”), pursuant to which, upon the terms and subject to the conditions set forth therein, Merger Sub will be merged with and into the Company (the “Merger”). Capitalized terms used but not defined herein have the meanings ascribed to them in the Merger Agreement.

Halogen Limited c/o Primavera Capital Management Ltd. Suite 5801, Two International Finance Centre Attn: Jie Lian Lawrence Wang

Equity Commitment Letter • March 31st, 2011 • Primavera SPV Ltd. • Miscellaneous chemical products • New York

• Contract Type
  Equity Commitment Letter
• Filed
  March 31st, 2011
• Company
  Primavera SPV Ltd.
• Industry
  Miscellaneous chemical products
• Jurisdiction
  New York

Reference is made to the Agreement and Plan of Merger, dated as of March 21, 2011 (as it may be amended from time to time, the “Merger Agreement”), by and among Halogen Limited, an exempted company with limited liability incorporated under the laws of the Cayman Islands (“Parent”), Halogen Mergersub Limited, an exempted company with limited liability incorporated under the laws of the Cayman Islands, all of the outstanding shares of which are owned by Parent (“Merger Sub”), and Chemspec International Limited, an exempted company with limited liability incorporated under the laws of the Cayman Islands (the “Company”), pursuant to which, upon the terms and subject to the conditions set forth therein, Merger Sub will be merged with and into the Company (the “Merger”). Capitalized terms used but not defined herein have the meanings ascribed to them in the Merger Agreement.