E.S.I. Environmental Sensors Inc.

E.S.I. Environmental Sensors Inc.

January 11, 2008 09:30 ET

ESI Announces Launch of GroPoint™ Wireless

VICTORIA, BRITISH COLUMBIA--(Marketwire - Jan. 11, 2008) - E.S.I. Environmental Sensors Inc. ("ESI", the "Company") (TSX VENTURE:ESV) is pleased to announce the release of GroPoint Wireless; a system designed to provide wireless delivery of accurate soil moisture and temperature information to the user's desktop.

GroPoint Wireless was designed and developed over the course of the last year in close consultation with ESI's customers and distribution partners. It is extremely easy to install and use and requires little technical knowledge other than a basic understanding of the Windows® Operating system. GroPoint Wireless provides in real time, moisture and temperature information, allowing precision irrigation and frost protection.

ESI deployed several Beta test systems a few months ago with customers in the agriculture industry. Initial feedback was extremely positive and we are pleased to report that we have received our first purchase order from Atoka Cranberry - New Brunswick. Having evaluated alternative offerings, Atoka New Brunswick decided on GroPoint Wireless.

Marc Daoust of Atoka New Brunswick says, "The GroPoint Wireless system has proven itself to be a reliable, cost effective way to manage my crop's water requirements in addition to providing protection from frost damage and heat stress. The system saves me money and it saves me time when one considers the labour intensive alternatives."

"We are pleased to have this initial order of 45 GroPoint Sensors, 28 Field units and 7 Base stations from such a prominent cranberry grower," commented David Porter, ESI's Vice President of Sales and Marketing. "It confirms the customer's positive experience with ESI as a Company and GroPoint™ Wireless as a water monitoring and frost/heat protection system, and it opens a huge business opportunity for ESI given the enormous size of cranberry operations in North America."

About ESI

ESI is a leading manufacturer of patented and proprietary solutions for environments where understanding the presence, movement, and/or amount of water are important. Major market sectors include: Agriculture, Golf and Turf, Scientific Research, Civil Engineering and Crude Oil. ESI solutions have been successfully introduced into more than 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 during crude oil extraction for characterization and optimization of the process. ESI differentiates itself by translating the best technology and science available into practical, easy to use solutions. Irrigation managers, Reservoir Engineers, and Scientists have adopted ESI's products for their accuracy, ease of use, repeatability, and ability to operate in challenging environments. 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.

About Atoka Cranberry

Atoka was founded in 1984, initially as a cranberry farming operation. Gradually over time, the company became more involved in processing and packing. In 1988, Atoka began construction of the first phase of its factory. Today, after the addition of seven more phases, and with investments in the tens of millions, their factory comprises five production lines, three freezer units and a state-of-the-art Quality Assurance/Research & Development laboratory. Together with their sister company, Bieler Cranberries Inc., Atoka owns and operates the largest single-site cranberry farm in the world.

On behalf of the board,

Blair Heffelfinger, President & CEO

E.S.I. Environmental Sensors Inc.

Material Copyright 2008, 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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