EXHIBIT 99.1
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934,
as amended, the undersigned hereby agree to the joint filing with all other
Reporting Persons (as such term is defined in the Schedule 13D) on behalf of
each of them of a statement on Schedule 13D (including amendments thereto) with
respect to the Common Stock, $0.001 par value per share of Electronic Sensor
Technology, Inc., and that this Agreement be included as an Exhibit to such
joint filing. This Agreement may be executed in any number of counterparts, all
of which taken together shall constitute one and the same instrument.
IN WITNESS WHEREOF, the undersigned hereby executed this Agreement this 8th
day of January, 2007.
By: /s/ ▇▇▇▇▇▇ ▇▇▇
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Name: ▇▇▇▇▇▇ ▇▇▇
Title: Attorney-in-Fact for ▇▇▇▇▇▇▇ ▇▇▇▇▇
3 SPRINGS, LLC
/s/ ▇▇▇▇▇▇ ▇▇▇
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Name: ▇▇▇▇▇▇ ▇▇▇
Title: Attorney-in-Fact