Major Institutional Owners Near 25% Ownership of Tri-Tech Holding

Beijing, China – April 19, 2011 – Tri-Tech Holding Inc. (Nasdaq: TRIT), a premier Chinese company that provides leading turn-key solutions in China for water resources, water and wastewater treatment, industrial safety and the pollution control markets, said today that large institutional ownership of the company’s stock has reached nearly 25%.

The company noted that public filings with the Securities and Exchange Commission disclose that institutional shareholders own, in the aggregate, 23.69% of Tri-Tech’s outstanding shares, exclusive of any institutional shareholders that are not required to disclose ownership.

Tri-Tech CEO Mr. Warren Zhao said, “We greatly appreciate the growing vote of confidence in our company by large institutions. We believe this underscores the strong value of our company for investors. We are gratified by this expression of faith in our company.”

About Tri-Tech Holding Inc.
Tri-Tech designs customized sewage treatment and odor control systems for China’s municipalities and its larger cities. These systems combine software, information management systems, resource planning and local and distant networking hardware that includes sensors, control systems, programmable logic controllers, supervisory control and data acquisition systems. The company also designs systems that track natural waterway levels for drought control, monitor groundwater quality and assist the government in managing its water resources. The company is also moving into the industrial pollution control market. Tri-Tech owns 23 software copyrights and two technological patents and employs 260 people. Please visit http://www.Tri-Tech.cn for more information.

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This press release contains forward-looking statements as defined by the Private Securities Litigation Reform Act of 1995. Forward-looking statements include references to the successful completion and anticipated profitability of the projects referenced herein and other statements concerning plans, objectives, goals, strategies, future events or performance, and underlying assumptions and other statements that are other than statements of historical facts. These statements are subject to uncertainties and risks including, but not limited to, product and service demand and acceptance, changes in technology, economic conditions, the impact of competition and pricing, government regulation, and other risks contained in reports filed by the company with the Securities and Exchange Commission. All such forward-looking statements, whether written or oral, and whether made by or on behalf of the company, are expressly qualified by the cautionary statements and any other cautionary statements which may accompany the forward-looking statements. In addition, the company disclaims any obligation to update any forward-looking statements to reflect events or circumstances after the date hereof.