[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 Solutionsmments on Unusual Market Activity WUXI, Jiangsu, China, April 5, 2012 -Cleantech Solutions International, ("Cleantech Solutions" or "thempany") (NASDAQ: CLNT)]

[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 Solutionsmments on Unusual Market Activity WUXI, Jiangsu, China, April 5, 2012 -Cleantech Solutions International, ("Cleantech Solutions" or "thempany") (NASDAQ: CLNT)]

[Company Contact: Mr. Ryan Hua Vice President of 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 International Reports Fourth Quarter and Fiscal Year 2011 Results Wuxi, Jiangsu Province, China “During the fourth quarter, we continued to face challenging market conditions and pricing] [Company Contact: Investor Relations Contact: Mr. Ryan Hua Ms. Elaine Ketchmere Vice President Operations CCG Investor Relations Cleantech Solutions International, Inc. Tel: +1-310-954-1345 Email: ryanhua@cleantechsolutionsinternational.com elaine.ketchmere@ccgir.com Email: Web: www.cleantechsolutionsinternational.com www.ccgirasia.com Web: Cleantech Solutions International Announces Conference Call to Discuss Fourth Quarter and Fiscal Year 2011 Financial Results WUXI, Jiangsu, China March 23, 2012 Mr. Ryan Hua, Vice President of Operations]

[Companyntact: Mr. Ryan Hua Vice President of 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 International Reports Fourth Quarter and Fiscal Year 2011 Results Wuxi, Jiangsu Province, China During the fourth quarter, wentinued to face challenging marketnditions and pricing] [Companyntact: Investor Relationsntact: Mr. Ryan Hua Ms. Elaine Ketchmere Vice President Operations CCG Investor Relations Cleantech Solutions International, Tel: +1-310-954-1345 Email: ryanhua@cleantechsolutionsinternational.com elaine.ketchmere@ccgir.com Email: Web: www.cleantechsolutionsinternational.com www.ccgirasia.com Web: Cleantech Solutions International Announcesnferencell to Discuss Fourth Quarter and Fiscal Year 2011 Financial Results WUXI, Jiangsu, China March 23, 2012]

[Companyntact: Mr. Ryan Hua Vice President of 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 International Reports Fourth Quarter and Fiscal Year 2011 Results Wuxi, Jiangsu Province, China During the fourth quarter, wentinued to face challenging marketnditions and pricing] [Companyntact: Investor Relationsntact: Mr. Ryan Hua Ms. Elaine Ketchmere Vice President Operations CCG Investor Relations Cleantech Solutions International, Tel: +1-310-954-1345 Email: ryanhua@cleantechsolutionsinternational.com elaine.ketchmere@ccgir.com Email: Web: www.cleantechsolutionsinternational.com www.ccgirasia.com Web: Cleantech Solutions International Announcesnferencell to Discuss Fourth Quarter and Fiscal Year 2011 Financial Results WUXI, Jiangsu, China March 23, 2012]