E.S.I. Environmental Sensors Inc.

E.S.I. Environmental Sensors Inc.

March 06, 2007 12:55 ET

ESI Announces Appointment of Blair Heffelfinger as CEO

VICTORIA, BRITISH COLUMBIA--(CCNMatthews - March 6, 2007) - ESI Environmental Sensors Inc. ("ESI", the "Company") (TSX VENTURE:ESV) is pleased to announce the appointment of Blair Heffelfinger as President and CEO for the Company.

ESI is pleased to announce the appointment of Blair Heffelfinger as President and CEO of the Company. Blair was elected to the Board of Directors at the annual general meeting held on the 14th of December 2006. His professional career covers senior management roles including; General Manager of FuelCon Systems Inc., an innovative engineering company and leading supplier of testing equipment to the fuel cell industry; Sr. Manager of Methanex Corporation; VP of Business Development of ASA Automation Systems. His education, all at the University of BC, covers a Bachelor of Science, Masters of Science and a Masters of Business Administration. He has sat on the Boards of BC Biotechnology Alliance, ViaTec and ASA Automation Systems.

ESI continues to expand its presence in the water monitoring and soil moisture markets through the sale of industry leading, proprietary moisture monitoring solutions. ESI has focused its marketing efforts in this area to penetrate high value targets: vineyards, avocado plantations, and the large berry operations. The scientific, environmental, turf, and civil engineering markets continue to provide growth for ESI and particular attention is being focused on landfill and engineering applications.

The Company's "real-time" water-cut sensor, FloPoint™, continues its onward testing program in partnership with a major player in the oil industry and constitutes 18 installations to date. "The FloPoint instrument is an asset to the oil patch right now. With minor improvements we plan to make in the short term, this tool will prove itself as a standard oilfield instrument, with a wide range of applications," said Robert Alton, Chairman of the Board and an Oil Company executive.

Ian Middleton was also appointed to the Board of Directors. He brings a wealth of experience in the financing and development of small and medium sized private and public companies.

About ESI

ESI is a leading developer and manufacturer of patented and proprietary systems for industrial and environmental applications where understanding the presence and content of water is important. Major market sectors include: Agriculture, Golf and Turf, Scientific Research and Oil. ESI products have been successfully introduced into over 40 countries to enable customers to optimize their operations by monitoring the presence and movement of water, managing irrigation systems, and monitoring the integrity of landfill covers. Most recently, the FloPoint™ instrument has been introduced to the Oil industry to measure the volumetric presence of water pumped from producing oil wells for characterization and optimization. ESI differentiates itself by translating the best technology and science available into practical, easy to use solutions. Irrigation managers and scientists have adopted ESI's products for their accuracy, ease of use, repeatability, and ability to operate in challenging conditions. ESI is publicly traded on the TSX Venture Exchange under the symbol "ESV". Further information about ESI may be obtained through the Company's website at www.esisensors.com.

On behalf of the Board,

Robert Alton, Chairman of the Board

E.S.I. Environmental Sensors Inc.

Material Copyright 2006, E.S.I. Environmental Sensors Inc. Reproduction in whole or in part in any form or medium without express written permission of E.S.I. Environmental Sensors Inc. is prohibited.

The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this release.

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