[THT Heat Transfer Technology, Inc. Announces First Quarter 2015 Results SIPING, CHINA — May 15, 2015 — THT Heat Transfer Technology, Inc. (NASDAQ:THTI, “the Company”, or “THT”), a leading provider of heat exchangers and heat exchange solutions in China’s clean technology industry, today announced its unaudited financial results for the first quarter ended March 31, 2015. First Quarter 2015 Financial] [FORM 8-K CURRENT REPORT Date of Report (Date of Earliest event Reported): May 15, 2015 THT HEAT TRANSFER TECHNOLOGY, INC. Nevada 001 - 34812 20 - 5463509 (State or other jurisdiction (Commission File Number) (IRS Employer Identification No.) of incorporation or organization) THT Industrial Park No.5 Nanhuan Road, Tiexi District Siping, Jilin Province 136000 People's Republic of China 86-434-3265241 (Former]

[FORM 10-K (Mark One) December 31, 2014 For the fiscal year ended: For the transition period from ____________to _____________ 001-34812 Commission File No. THT HEAT TRANSFER TECHNOLOGY, INC. Nevada 20-5463509 (State or other jurisdiction of incorporation or (I.R.S. Employer Identification No.) organization) THT Industrial Park No. 5 Nanhuan Road, Tiexi District Siping, Jilin Province 136000 People’s Republic of China 86-434-3265241] [Subsidiaries of THT Heat Transfer Technology, Inc. Name of Subsidiary Jurisdiction of % Owned Megaway International Holdings Limited British Virgin Islands 100% Star Wealth International Holdings Limited Hong Kong 100% Siping City JuyuanHanyang Plate Heat Exchanger Co. Ltd. PRC 100% Beijing JuyuanHanyang Heat Exchange Equipment Co., Ltd. PRC 100%] [CERTIFICATIONS I, Guohong Zhao, certify that: 1. I have reviewed this annual report on Form 10-K of THT Heat Transfer Technology, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such] [CERTIFICATIONS I, Zhigang Xu, certify that: 1. I have reviewed this annual report on Form 10-K of THT Heat Transfer Technology, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such] [OF THE SARBANES-OXLEY ACT OF 2002 2. Information contained in the Report fairly presents, in all material respects, the financial condition and results of operation of the Company. st Guohong Zhao Chief Executive Officer] [OF THE SARBANES-OXLEY ACT OF 2002 2. Information contained in the Report fairly presents, in all material respects, the financial condition and results of operation of the Company. st Zhigang Xu Interim Chief Financial Officer (Principal Financial and Accounting Officer)]

[99.1 THT Heat Transfer Technology, Inc. Announces Fourth Quarter and Fiscal Year 2014 Results SIPING, CHINA — March 31, 2015 — THT Heat Transfer Technology, Inc. (Nasdaq: THTI) (“THT” or the “Company”), a leading provider of heat exchangers and heat exchange solutions in China’s clean technology industry, today announced its financial results for the fourth quarter and fiscal year ended] [FORM 8-K CURRENT REPORT Date of Report (Date of Earliest event Reported): March 31, 2015 THT HEAT TRANSFER TECHNOLOGY, INC. Nevada 001 - 34812 20 - 5463509 (State or other jurisdiction (Commission File Number) (IRS Employer Identification No.) of incorporation or organization) THT Industrial Park No.5 Nanhuan Road, Tiexi District Siping, Jilin Province 136000 People's Republic of China 86-434-3265241 (Former]