[Company Contact: Mr. Ryan Hua, Vice President Operations Cleantech Solutions International, Inc. Tel: +86-138-6188-0987 ryanhua@cleantechsolutionsinternational.com Email: Web: www.cleantechsolutionsinternational.com Investor Relations Contact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Delivers Sample Orders for Sapphire Chambers and Solar Furnace Wuxi, Jiangsu Province, China February 24, 2012]

[CERTIFICATE OF AMENDMENT TO THE CERTIFICATE OF INCORPORATION OF CLEANTECH SOLUTIONS INTERNATIONAL, INC. 1. The Certificate of Incorporation of the corporation was filed with the Secretary of State on June 24, 1987. A Restated Certificate of Incorporation of the corporation was filed with the Secretary of State on March 28, 2008. 2. Paragraph (a) of Article FIFTH of the Restated] [Company Contact: Mr. Ryan Hua Vice President Operations Cleantech Solutions International, Inc. ryanhua@cleantechsolutionsinternational.com Email: www.cleantechsolutionsinternational.com Web: Investor Relations Contact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Announces Stockholder Approval of one-for-ten Reverse Split and Change in Authorized Capital Stock WUXI, Jiangsu, China February 22, 2012 About Cleantech Solutions International Cleantech Solutions is a]

[CERTIFICATE OF AMENDMENT TO THE CERTIFICATE OFORPORATION OF CLEANTECH SOLUTIONS INTERNATIONAL, 1. The Certificate oforporation of therporation was filed with the Secretary of State on June 24, 1987.A Restated Certificate oforporation of therporation was filed with the Secretary of State on March 28, 2008. 2.] [Companyntact: Mr. Ryan Hua Vice President Operations Cleantech Solutions International, ryanhua@cleantechsolutionsinternational.com Email: www.cleantechsolutionsinternational.com Web: Investor Relationsntact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Announces Stockholder Approval of one-for-ten Reverselit and Change in Authorizedpital Stock WUXI, Jiangsu, China February 22, 2012]

[CERTIFICATE OF AMENDMENT TO THE CERTIFICATE OFORPORATION OF CLEANTECH SOLUTIONS INTERNATIONAL, 1. The Certificate oforporation of therporation was filed with the Secretary of State on June 24, 1987.A Restated Certificate oforporation of therporation was filed with the Secretary of State on March 28, 2008. 2.] [Companyntact: Mr. Ryan Hua Vice President Operations Cleantech Solutions International, ryanhua@cleantechsolutionsinternational.com Email: www.cleantechsolutionsinternational.com Web: Investor Relationsntact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Announces Stockholder Approval of one-for-ten Reverselit and Change in Authorizedpital Stock WUXI, Jiangsu, China February 22, 2012]

[CERTIFICATE OF AMENDMENT TO THE CERTIFICATE OF INCORPORATION OF CLEANTECH SOLUTIONS INTERNATIONAL, INC. 1. The Certificate of Incorporation of the corporation was filed with the Secretary of State on June 24, 1987.A Restated Certificate of Incorporation of the corporation was filed with the Secretary of State on March 28, 2008. 2.], [Company Contact: Mr. Ryan Hua Vice President Operations Cleantech Solutions International, Inc. ryanhua@cleantechsolutionsinternational.com Email: www.cleantechsolutionsinternational.com Web: Investor Relations Contact: Ms. Elaine Ketchmere CCG Investor Relations Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: www.ccgirasia.com Web: Cleantech Solutions Announces Stockholder Approval of one-for-ten Reverse Split and Change in Authorized Capital Stock WUXI, Jiangsu, China February 22, 2012]