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EXTENSION AGREEMENT
 
THIS AGREEMENT is made and entered into as of September 30, 2006 (this
“Agreement”) by and among Sentinel Technologies, Inc., a Delaware corporation
(“STI”); Sentinel Operating, L.P., a Texas limited partnership and an affiliate
of STI (“Sentinel”); Tidel Technologies, Inc., a Delaware corporation (“Tidel”);
and Laurus Master Fund, Ltd., a Cayman Islands company (“Laurus”).
 
1.  The parties hereto agree that the Exercise and Conversion Agreement, dated
as of January 12, 2006, as amended from time to time, by and among STI,
Sentinel, Tidel and Laurus be and is hereby amended by deleting the two
references to “September 30, 2006” in Section 5.1 therein and inserting in lieu
thereof the date “October 2, 2006.
 
2.  Tidel and Laurus agree that the Stock Redemption Agreement, dated as of
January 12, 2006 (as amended from time to time, the “Redemption Agreement”), by
and between Tidel Technologies and Laurus is hereby amended by deleting the date
September 30, 2006 in Section 4, Section 9(a) and Section 9(b) thereof in the
ultimate sentence therein and substituting in lieu thereof the date “October 2,
2006” in each such section.
 
3.  Laurus acknowledges the receipt from Tidel of the notice setting forth the
Per Share Price (as defined in the Redemption Agreement) required to be
delivered to Laurus pursuant to Section 2(c) of the Redemption Agreement and
confirms that Tidel has complied with such Section 2(c) in all respects.
 
This Agreement shall be governed by and construed and interpreted in accordance
with the choice of law provisions set forth in, and shall be subject to the
notice provisions of, the Redemption Agreement.
 
This Agreement may be executed by facsimile signatures and in any number of
counterparts, each of which shall be an original, but all of which together
shall constitute one Agreement.
 
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IN WITNESS WHEREOF, STI, Sentinel, Tidel and Laurus have caused this Agreement
to be executed as of the date first written above.
 

 
SENTINEL TECHNOLOGIES, INC.
     
/s/ Raymond P. Landry
 
By: Raymond P. Landry
 
Title: Chief Executive Officer
         
SENTINEL OPERATING, L.P.
       
By:
Sentinel Cash Systems, L.L.C., its general partner
           
/s/ Raymond P. Landry
     
By: Raymond P. Landry
     
Title: President
         
TIDEL TECHNOLOGIES, INC.
     
/s/ Leonard L. Carr
 
By: Leonard L. Carr
 
Title: Secretary
         
LAURUS MASTER FUND, LTD.
     
/s/ Eugene Grin
 
By: Eugene Grin
 
Title: Director

 
 
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