E.S.I. Environmental Sensors Inc.
TSX VENTURE : ESV

E.S.I. Environmental Sensors Inc.

May 01, 2008 09:13 ET

ESI Announces Trial Installations with Motorola Authorized Distributor

VICTORIA, BRITISH COLUMBIA--(Marketwire - May 1, 2008) - ESI Environmental Sensors Inc. (TSX VENTURE:ESV) ("ESI", the "Company") today announced it is conducting significant trial installations with AG-Tronix Inc, a leading Motorola Authorized Distributor in the State of Florida.

AG-Tronix has purchased a number of GroPoint sensors and integrated these sensors with the Motorola Monitoring and Control system for trials in both tomato fields and citrus groves. AG-Tronix has been using tensiometers for some time to monitor moisture with their Motorola system. However, after an introduction and initial trial with GroPoint, the company decided to switch their entire operation to GroPoint for its accuracy, robust design and ease of installation.

"I love this moisture sensor. No calibration, no maintenance - just bury to the correct depth and wire into our controllers. The units were up and running in five minutes," says Sonya Tuten-Carns, Founder of AG-Tronix. "It was easy to hook up. I am excited to have found an instrument that works with my existing equipment without the need to have data loggers everywhere."

"We are pleased to have this important order from a reseller who is known as an innovator among its peers," said David Porter, ESI's Vice President of Sales and Marketing. "We are learning valuable integration lessons from these trial installations that can be used to roll out the program to other authorized Motorola distributors across North America. Significantly, the City of Calgary has deployed Motorola systems in their parks, and Calgary has recently purchased trial units of GroPoint for use with the Motorola Irrigation Controllers."

Warrant Extension

ESI also announced a two-year extension of 2,000,000 warrants previously set to expire on May 8, 2008. The warrants were originally issued pursuant to the closing of a private placement of 4,000,000 common shares with 2,000,000 share purchase warrants on May 8, 2006. Each amended warrant entitles the holder the right to purchase one common share at a price of $0.75 up until May 8, 2010. New warrant certificates will be mailed to each warrant holder.

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 AG-Tronix

Ag-Tronix, Inc. was established in 1994 by Sonya L. Tuten, who specializes in the use of Motorola Irrigation Controllers. Integrated electronics and irrigation systems are the backbone of the company; together they provide customers with control systems that are specially designed to fit their clients watering needs. Located in Immokalee Florida, Ag-Tronix provides irrigation system sales, service, installation and repair of Motorola Irrigation Controllers and other irrigation equipment to customers throughout the United States.

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