ThermoEnergy Insider Increases Investment in Company

ThermoEnergy Director Martin Roenigk exercises warrants for 550,000 shares of Common Stock

LITTLE ROCK, Ark., June 3 /PRNewswire-FirstCall/ -- ThermoEnergy Corporation ("ThermoEnergy") (BULLETIN BOARD: TMEN) today announced that a member of its Board of Directors, Mr. Martin A. ("Marty") Roenigk, exercised warrants to purchase an additional 550,000 restricted common shares of ThermoEnergy. This is Mr. Roenigk's second insider transaction in this calendar year.

Elected to ThermoEnergy's Board in 2007, Mr. Roenigk is the former Chairman and CEO of CompuDyne Corporation. He was formerly a Certified Public Accountant with Arthur Anderson & Co. before spending 23 years with the Travelers Corporation, including 10 years in Travelers' Corporate Strategy & Research division. He has also served as a Director of Dillon Read & Co. Mr. Roenigk currently concentrates on his personal investments in Arkansas, including, among others, The Crescent Hotel & Spa and the Basin Park Hotel, two National Register listed historic hotels in Eureka Springs, Arkansas.

"ThermoEnergy appreciates the continued support of Martin Roenigk and its shareholder base," said Dennis C. Cossey, ThermoEnergy's Chairman and CEO. "We look forward to our continued evolution as a company and new successes in both our Water and Energy Divisions in the coming months. Our management team believes we are at the forefront of the waste water and alternative energy markets, and this purchase is a tangible reflection of that confidence."

About ThermoEnergy: Founded in 1988, ThermoEnergy is a diversified technologies company engaged in the worldwide commercialization of patented and/or proprietary municipal and industrial wastewater treatment and power generation technologies. The wastewater treatment technologies are consolidated in our majority-owned subsidiary, CASTion Corporation ("CASTion"). CASTion is a fast growing developer and manufacturer of innovative wastewater treatment and recovery systems to industrial and municipal clients. Our systems are unique because they meet environmental regulations and provide a rapid rate of return on investment by recovering and reusing expensive feedstocks, reducing contaminated wastewater discharge and reusing wastewater in process operations. Our proprietary products are combined with off-the shelf technologies to provide systems that are inexpensive, easy to operate and reliable. Our wastewater treatment systems have application in aerospace, food processing, metal finishing, refineries, manufacturing and municipal wastewater. With recovery of feedstocks, avoidance of wastewater and contaminate discharge fees and the reuse of wastewater in your process our systems can deliver cost effective solutions to environmental problems. From our 20,000-square-foot manufacturing facility in Worcester, Massachusetts we assemble and ship our systems anywhere. Additional information on our water technologies can be found on CASTion's website at www.castion.com. The power generation technologies are consolidated in our majority-owned subsidiary, ThermoEnergy Power Systems, LLC ("TEPS"). The economic and environmental matrix of the Company's technologies represents a significant advancement in these key infrastructure industries. The Company currently has offices in Little Rock, AR, Hudson, MA, and New York, NY. Additional information on the Company and its technologies can be found on its website at
THIS PRESS RELEASE INCLUDES STATEMENTS THAT MAY CONSTITUTE "FORWARD- LOOKING" STATEMENTS, USUALLY CONTAINING THE WORD "BELIEVE," "ESTIMATE," "PROJECT," "EXPECT" OR SIMILAR EXPRESSIONS. FORWARD-LOOKING STATEMENTS INHERENTLY INVOLVE RISKS AND UNCERTAINTIES THAT COULD CAUSE ACTUAL RESULTS TO DIFFER MATERIALLY FROM THE FORWARD LOOKING STATEMENTS. FACTORS THAT WOULD CAUSE OR CONTRIBUTE TO SUCH DIFFERENCES INCLUDE, BUT ARE NOT LIMITED TO, CONTINUED ACCEPTANCE OF THE COMPANY'S PRODUCTS AND SERVICES IN THE MARKETPLACE, COMPETITIVE FACTORS, CHANGES IN REGULATORY ENVIRONMENTS AND OTHER RISKS DETAILED IN THE COMPANY'S PERIODIC REPORT FILINGS WITH THE SECURITIES AND EXCHANGE COMMISSION. BY MAKING THESE FORWARD-LOOKING STATEMENTS, THE COMPANY UNDERTAKES NO OBLIGATION TO UPDATE THESE STATEMENTS FOR REVISIONS OR CHANGES.

CONTACT: Bryan Kobel, 201-819-6086, bkobel@allianceadvisors.net

First Call Analyst:
FCMN Contact: bkobel@allianceadvisors.net

Source: ThermoEnergy Corporation

CONTACT: Bryan Kobel, +1-201-819-6086, bkobel@allianceadvisors.net, for
ThermoEnergy Corporation

Web site: http://www.thermoenergy.com/

2008-06-03 12:53:39 0376412 PRNEWSWIRE