[Company Contact: Mr. Adam Wasserman Chief Financial Officer Cleantech Solutions International, Inc. Email: adamw@cleantechsolutionsinternational.com Web: www.cleantechsolutionsinternational.com Elaine Ketchmere, CFA CCG Investor Relations Tel: +1 310 954-1345 Email: Elaine.Ketchmere@ccgir.com www.ccgirasia.com Web: Cleantech Solutions International Reports First Quarter 2013 Results Wuxi, Jiangsu Province, China May 15, 2013 We got off to a strong start in 2013, achieving], [Company Contact Cleantech Solutions International, Inc. Mr. Adam Wasserman, Chief Financial Officer E-mail: adamw@cleantechsolutionsinternational.com Web: www.cleantechsolutionsinternational.com Investor Relations Contact CCG Investor Relations Ms. Elaine Ketchmere, CFA Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: Web: www.ccgirasia.com Cleantech Solutions International Announces Conference Call to Discuss First Quarter 2013 Financial Results WUXI, Jiangsu, China, May 15, 2013 -]

[Company Contact: Mr. Adam Wasserman Chief Financial Officer Cleantech Solutions International, Inc. Email: adamw@cleantechsolutionsinternational.com Web: www.cleantechsolutionsinternational.com Elaine Ketchmere, CFA CCG Investor Relations Tel: +1 310 954-1345 Email: Elaine.Ketchmere@ccgir.com www.ccgirasia.com Web: For Immediate Release Cleantech Solutions International Reports First Quarter 2013 Results Wuxi, Jiangsu Province, China May 15, 2013 We got off to a strong start], [Company Contact Cleantech Solutions International, Inc. Mr. Adam Wasserman, Chief Financial Officer E-mail: adamw@cleantechsolutionsinternational.com Web: www.cleantechsolutionsinternational.com Investor Relations Contact CCG Investor Relations Ms. Elaine Ketchmere, CFA Tel: +1-310-954-1345 elaine.ketchmere@ccgir.com Email: Web: www.ccgirasia.com For Immediate Release Cleantech Solutions International Announces Conference Call to Discuss First Quarter 2013 Financial Results WUXI, Jiangsu, China, May 15, 2013 -]