Document:

<PAGE>
                                                                    Exhibit 4.45

                                WALLIS STATE BANK

                                                               November 24, 2003

Tidel Engineering, L.P.
Tidel Technologies, Inc.
Tidel Cash Systems, Inc.
Tidel Services, Inc.
2900 Wilcrest
Suite 205
Houston, TX 77042

                  Re:      Payoff of Loans

Ladies and Gentlemen:

     Reference is made to (i) that certain Amended and Restated Revolving Credit
Note dated April 30, 2002 (the "Note"), executed and issued by Tidel
Engineering, L.P. ("Borrower") in the original principal amount of
$4,680,000.00, payable to Wallis State Bank ("Lender"), as transferee and
assignee from JP Morgan Chase Bank, as modified by that certain First
Modification and Extension Agreement dated as of June 27, 2003 (the
"Modification Agreement") among Lender, Borrower and Tidel (as hereinafter
defined); (ii) all security agreements, guaranties, assignments, pledges and
security devices, of whatever kind or character, listed on Schedule I (together
with the Note and the Modification Agreement, the "Loan Documents") to that
certain Assignment of Note and Lien (the "Assignment") dated June 30, 2003
executed and delivered by JP Morgan Chase Bank to Lender; (iii) that certain
Subordination Agreement made by Montrose Investments, Ltd. ("Montrose"),
Borrower, Tidel Technologies, Inc. ("Tidel") and Chase (as assigned to Lender
pursuant to the Assignment), dated as of September 8, 2000 (the "Montrose
Agreement"); and (iii) that certain Subordination Agreement made by Acorn
Investment Trust on behalf of its series Acorn Fund, Borrower, Tidel and Chase
(as assigned to Lender pursuant to the Assignment), dated as of September 29,
2000 (the "Acorn Agreement"). All principal, interest, penalties, fees, charges
and other amounts due under the Note as modified by the Modification Agreement
and the other Loan Documents (including without limitation all "Senior
Indebtedness" as defined in the Montrose Agreement or the Acorn Agreement) shall
mean the "Obligations". The Note, the Montrose Agreement, the Acorn Agreement,
together with the other Loan Documents have been assigned by Chase to Lender
pursuant to the Assignment and the Note Purchase Agreement dated June 30, 2003
by and between JPMorgan Chase Bank and Lender, with the consent and agreement of
Borrower, Tidel, Tidel Services, Inc. and Tidel Cash Systems, Inc.

     You have given us a notice of payment in full of all of the Obligations to
take place on or before November 24, 2003 (the date such payment is actually
made, the "Payment Date").

     As of the Payment Date, the amounts of principal, accrued interest, accrued
fees and other known obligations, including the Obligations, other than the
contingent indemnification obligations set forth in the Modification Agreement
which survive the repayment of the obligations in respect of the Note and

<PAGE>

the termination of the modification Agreement (the "Indemnification"), owing by
you to the Lender under the Note as modified by the Modification Agreement are
as set forth on Exhibit A attached hereto. If payment in accordance with this
letter is not received by 5:00 p.m. (Eastern Standard Time) on November 24,
2003, a new calculation of the amounts set forth on Exhibit A will be necessary.
The amount of costs and other obligations due is subject to change; however, we
will notify you in writing of any costs or other obligations that accrue.
Payment must be made to the accounts of the Lender in accordance with the
instructions set forth on Exhibit A.

     Upon receipt by 5:00 p.m. (Eastern Standard Time) on the Payment Date of
the total amount specified on Exhibit A (the "Payment Amount"), (i) the
undersigned will have received payment in full of all obligations under or in
respect of the Note (other than the Indemnification) and each other Loan
Document and all of the Obligations (other than the Indemnification) shall be
paid in full and fully satisfied, (ii) the security interest in all assets of
the Borrower, as well as the other entities acknowledging this letter (together,
the "Borrower Entities"), subject to a security interest in favor of the Lender
(the "Collateral") shall be released, (iii) each of the Montrose Agreement and
the Acorn Agreement shall be terminated, and (iv) all of the other Loan
Documents shall be terminated, provided that the Indemnification shall survive
the termination of the Modification Agreement and the other Loan Documents. Upon
receipt of the Payment Amount, as and when set forth above, the undersigned will
return any Collateral in its possession and will execute such termination
statements, mortgage satisfactions and other statements of release or
satisfaction as you may reasonably request, at your cost. At such time, the
capital stock of any of the Borrower Entities held by the Lender as Collateral
will be delivered to Laurus Master Fund, Ltd. ("Laurus"), 152 West 57th Street,
New York, New York 10019, within two business days following our receipt of the
Payoff Amount. In addition, after our receipt of the Payment Amount, as and when
set forth above, you and /or Laurus are authorized to file UCC-3 termination
statements with respect to the Collateral. Our agreement to release the security
interest in the Collateral is conditioned solely upon our receipt by 5:00 p.m.
(Eastern Standard Time) on the Payment Date of the Payment Amount.

     Tidel and the Subsidiaries hereby remise, release, acquit, satisfy and
forever discharge the Lender and all of their past, present and future officers,
directors, employees, agents, attorneys, representatives, participants, heirs,
successors and assigns, from any and all manner of debts, accountings, bonds,
warranties, representations, covenants, promises, contracts, controversies,
agreements, liabilities, obligations, expenses, damages, judgments, executions,
actions, claims, demands and causes of action of any nature whatsoever, whether
at law or in equity, whether now known or hereafter discovered, which Tidel or
any of its Subsidiaries has by reason of any matter, cause or thing, from the
beginning of the world to and including the date of execution hereof, with
respect to any matters, transactions, occurrences, agreements, actions, or
events arising out of, in connection with or relating to the Obligations; and
hereby covenants and agrees never to institute or cause to be instituted or
continue prosecution of any suit or other form of action or proceeding of any
kind or nature whatsoever against the Lender, or any of its past, present or
future officers, directors, employees, agents, attorneys, representatives,
participants, heirs, successors or assigns, by reason of or in connection with
any of the foregoing matters, claims or causes of action. Tidel and its
Subsidiaries expressly acknowledge and agree that the releases contained in this
letter shall not be construed as an admission of wrongdoing, liability or
culpability on the part of the Lender or the existence of any claims of Tidel or
any of its Subsidiaries against the Lender.

     The provisions of this letter shall terminate if the Payment Amount is not
received by the Lender by 5:00 p.m. (Eastern Standard Time) on the Payment Date.

     The undersigned understands that Laurus is extending credit in reliance on
this letter and agrees therefore that Laurus may rely on the agreements of the
undersigned set forth herein.

                                       2
<PAGE>

     Please sign this letter as indicated below and return a signed copy to
Lender.

                                                    Very truly yours,

                                                    WALLIS STATE BANK

                                                    By: /s/ J. Mike Smith
                                                        ------------------------
                                                    Name: J. Mike Smith
                                                    Title: Senior Vice President

ACKNOWLEDGED AND AGREED TO AS OF NOVEMBER 25, 2003:

TIDEL ENGINEERING, L.P.
By: Tidel Cash Systems, Inc., its general partner

By: /s/ Mark K. Levenick
    -----------------------
Name: Mark K. Levenick
Title: President

TIDEL TECHNOLOGIES, INC.

By: /s/ James T. Rash
    -----------------------
Name: James T. Rash
Title: CEO

TIDEL SERVICES, INC.

By: /s/ Mark K. Levenick
    -----------------------
Name: Mark K. Levenick
Title: President

TIDEL CASH SYSTEMS, INC.

By: /s/ Mark K. Levenick
    -----------------------
Name: Mark K. Levenick
Title: President

                                       3
<PAGE>

                                    EXHIBIT A

As of the Payment Date:

<TABLE>
<S>                                                               <C>
Outstanding principal amount of the Note:                         $   2,000,000

Accrued interest:                                                 $      13,500

Subtotal:                                                         $   2,013,500

Accrued legal fees to date:                                       $    5,906.09

Total                                                             $2,019,406.09
                                                                  =============
</TABLE>

Payment Instructions:

Payment shall be made by debit of an existing cash collateral account of Tidel
Technologies, Inc. held by Lender as Collateral for the Note upon the direction
of Tidel Technologies, Inc. to Lender.

                                       1<PAGE>

                                                                   EXHIBIT 10.16

                             NOTE PURCHASE AGREEMENT

      THIS NOTE PURCHASE AGREEMENT (this "AGREEMENT" is made and entered into
effective the 30 day of June, 2003 ("EFFECTIVE DATE"), by and between JPMORGAN
CHASE BANK, formerly known as The Chase Manhattan Bank, successor by merger to
Chase Bank of Texas, National Association, formerly known as Texas Commerce Bank
National Association ("ASSIGNOR") and WALLIS STATE BANK, a TEXAS STATE BANK
("ASSIGNEE") with the consent and agreement of TIDEL ENGINEERING, L.P., a
Delaware limited partnership ("BORROWER"), TIDEL TECHNOLOGIES, INC., TIDEL
SERVICES, INC. AND TIDEL CASH SYSTEMS, INC., each Delaware corporations (each a
"GUARANTOR" and collectively, the "GUARANTORS") and TIDEL TECHNOLGIES, INC.
("ULTIMATE PARENT").

RECITALS:

      Assignor is the owner of an Amended and Restated Revolving Credit Note
dated April 30, 2002 (the same, as heretofore modified, renewed and extended, is
herein collectively referred to as the "NOTE"), executed by Borrower in the
original principal amount of $4,680,000.00 and payable to the order of Assignor.

      Assignee has approached Assignor to purchase the Note and Assignee desires
to purchase the Note and Assignor is willing to sell the same to Assignee on the
terms and conditions set forth herein.

AGREEMENTS:

      For and in consideration of the mutual covenants and agreements contained
herein, Assignor and Assignee agree as follows:

1.    Purchase/Conveyance of Note. The purchase price of the Note is equal to
      the sum of the total unpaid principal balance and accrued unpaid interest
      and all other amounts owing under the Note, including any and all costs of
      collection thereof as of the date of purchase ("Purchase Price"). Promptly
      upon receipt of the Purchase Price, Assignor wilt deliver to Assignee (i)
      an Assignment of Note and Lien substantially in the form of Exhibit A
      ("Assignment") duly executed by Assignor; (ii) the original Note endorsed
      by Assignor to Assignee as follows: "Pay to the order of Wallis State
      Bank, without recourse and without representation or warranty of any kind,
      express or implied, except as set forth in that certain Note Purchase
      Agreement dated as of June 30, 2003 between the undersigned and Wallis
      State Bank; (iii) copies of the Loan Documents (as defined in Schedule 1);
      and (iv) a letter duly executed by Assignor authorizing Assignee to file
      amendments to any financing statements of record showing Assignor as
      secured party and Borrower or any Guarantor as debtor. In contemplation of
      the purchase of the Note, Assignee has executed and delivered to Assignor
      a Confidentiality Agreement in the form attached hereto as Exhibit "B"
      (the "Confidentiality Agreement"). To the extent of any conflict between
      the terms and provisions of this Agreement and those contained in the
      Assignment or the Confidentiality Agreement, the provisions in this
      Agreement shall control. Assignor represents that Assignor (i) is the
      owner of the Note and has not endorsed, granted, assigned or transferred
      the Note to any other person; and (ii) has all

                                Page 1 of 8 Pages
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      requisite power and authority to make the assignment and transfer of the
      Note contemplated hereby. Assignor also represents and warrants to
      Assignor that the total of the outstanding unpaid principal, accrued
      unpaid interest, other amounts owing under the Note and collection costs
      equals $ 2,000,000 as of the Effective Date.

2.    Assignee's Representations and Acknowledgements. As a material inducement
      to Assignor to execute and deliver this Agreement and the Assignment,
      Assignee represents and acknowledges to Assignor as follows:

      (a) Assignee has made its own independent investigations, inspections and
      analyses of: (i) the Note and other Loan Documents described on Schedule I
      attached hereto and incorporated herein by reference (the "LOAN
      DOCUMENTS"); (ii) the validity and enforceability of the Note and other
      Loan Documents; (iii) the perfection or priority of any lien and security
      interests of the Loan Documents, if any, listed on Schedule I; (iv) the
      value, condition, quality, sufficiency of the description and amount of
      collateral purportedly covered and affected by the Loan Documents; and (v)
      the enforceability of any documentation related to, collateral for,
      nature, terms and tenor of and the rights, remedies of any holder with
      respect to, obligations or indebtedness of Borrower or any Guarantor to
      any creditor other than Assignor ("OTHER INDEBTEDNESS"), including without
      limitation, any Other Indebtedness subordinated to the payment and
      performance of the obligations and indebtedness of Borrower or any
      Guarantor under the Loan Documents. Assignee acknowledges that Assignor
      has attempted to provide accurate information to Assignee but that
      Assignor does not represent, warrant or insure the accuracy or
      completeness of any information or its sources of information provided to
      Assignee or in any of the Loan Documents. Assignee agrees and represents
      that the Note, the other Loan Documents and other information made
      available to Assignee were an adequate and sufficient basis on which to
      determine whether to purchase the Note. Assignee has not relied and will
      not rely on Assignor to furnish or make available to Assignee any
      documents or information regarding the credit, affairs, financial
      condition or business of Borrower or any Guarantor. Assignee has made such
      independent investigations as Assignee deems to be warranted into the
      nature, validity, enforceability, collectability, and value of the Note
      and the other Loan Documents, any Other Indebtedness and all other facts
      Assignee deems material to Assignee's purchase and is entering into this
      transaction solely on the basis of that investigation and Assignee's own
      judgment, and is not acting in reliance on any representation made or
      information furnished by Assignor, Assignor's affiliates or its employees,
      agents, representatives or independent contractors (other than the
      representations and warranties of Assignor contained herein). Assignee
      acknowledges that Assignor has not given Assignee any investment advice,
      credit information or opinion on whether the purchase of the Note is
      prudent.

      (b) The transactions contemplated by this Agreement do not involve, nor
      are they intended in any way to constitute, the sale of a "security" or
      "securities" within the meaning of any applicable securities laws, and
      none off the representations, warranties or agreements of Assignee shall
      create any inference that the transactions involve any "security" or
      "securities". Assignee acknowledges, understands and agrees that the
      acquisition of the Note involves a high degree of risk and is suitable
      only for persons or

                                Page 2 of 8 Pages
<PAGE>

      entities of substantial financial means who have no need for liquidity and
      who can hold the Note indefinitely or bear the partial or entire loss of
      the value of the Note and any collateral securing the Note. Assignee
      represents and warrants to Assignor that Assignee (a) is purchasing for
      Assignee's own account; (b) is not purchasing with a view to public
      distribution; (c) is not in a disparate bargaining position relative to
      Assignor with respect to this Agreement; (d) is a sophisticated entity
      with respect to the purchase of the Note; (c) is able to bear the economic
      risk associated with the purchase of the Note; (d) has adequate
      information concerning the business and financial condition of Borrower
      and each Guarantor to make an informed decision regarding the purchase of
      the Note; and (e) has such knowledge and experience and has made purchases
      of instruments of a similar nature, so as to be aware of the risks and
      uncertainties inherent in the type of transaction contemplated by this
      Agreement.

      (c) Assignee acknowledges that (i) Assignor currently may have, and later
      may come into possession of, information with respect to the Note and the
      other Loan Documents, Borrower, any Guarantor or any other matter related
      thereto that is not known to Assignee and that may be material to a
      decision to acquire the Note ("EXCLUDED INFORMATION"), (ii) Assignee has
      determined to purchase the Note notwithstanding its
      lack of knowledge of the Excluded Information; and (iii) Assignor shall
      have no liability to Assignee, and Assignee waives and releases any claims
      that it might have against Assignee or any Assignor Party, as defined
      below, whether under applicable law or otherwise, with respect to the
      nondisclosure of the Excluded Information in connection with the
      transactions contemplated hereby; provided, however, that the Excluded
      Information shall not and does not affect the truth or accuracy of
      Assignor's representations or warranties in this Agreement.

      (d) Assignor has not made and does hereby specifically disclaim, in
      addition to and cumulative of the disclaimers contained in the Assignment,
      any and all representations and warranties of any kind or character,
      express or implied, in respect to: (i) the validity, enforceability of or
      existence of offsets or defenses to the Note; (ii) the validity,
      perfection, enforceability or priority of the liens and security interests
      of the Loan Documents; (iii) the proper recordation of the Loan Documents
      which are recorded; and (iv) the value, condition or use which may be made
      of any purported collateral for the Note, the operational potential
      thereof, the suitability for the intended purposes, or the compliance
      thereof with governmental codes, rules, regulations, orders and laws.

      (e) This Agreement and the Confidentiality Agreement are legal, valid and
      binding obligations of Assignee enforceable in accordance with their
      respective terms, except as may be limited by bankruptcy, insolvency and
      other similar laws affecting creditors' rights generally. The execution,
      delivery and performance of this Agreement and the Confidentiality
      Agreement have all been duly authorized by all necessary action; are
      within the power and authority of Assignee.

      (f) Assignee acknowledges that the Note is in default.

3.    Assignee's Covenants. (a) Assignee hereby covenants and agrees with
      Assignor that Assignee will keep confidential in all respects the terms
      and provisions hereof.

                                Page 3 of 8 Pages
<PAGE>

      (b) Assignee agrees to immediately assume all obligations with respect to
      federal and state income tax informational reporting for the period after
      the Effective Date including obligations with respect to Forms 1099 and
      1098 and back-up withholding. Assignee further agrees to cooperate with
      Assignor to the extent necessary to allow Assignor to fulfill its
      obligations it may have with respect to such informational reporting for
      the Note for the period prior to the date of this Agreement.

      (c) Assignee agrees not to violate any law relating to privacy or unfair
      collection practices in connection with the Note purchased by Assignee
      hereunder. ASSIGNEE FURTHER AGREES TO INDEMNIFY ASSIGNOR AND HOLD ASSIGNOR
      HARMLESS FROM AND AGAINST ANY AND ALL CLAIMS, DEMANDS, LOSSES, DAMAGES,
      PENALTIES, FINES, FORFEITURES, JUDGMENTS, LEGAL FEES AND OTHER COSTS, FEES
      AND EXPENSES AT ANY TIME INCURRED BY ASSIGNOR AS A RESULT OF (i)
      ASSIGNEE'S BREACH OF THE AFORESAID AGREEMENT OR (ii) ANY ACTS OR OMISSIONS
      OF ASSIGNEE RESULTING IN ANY CLAIM, DEMAND OR ASSERTION THAT ASSIGNOR,
      SUBSEQUENT TO THE DATE OF THIS AGREEMENT, WAS IN ANY WAY INVOLVED IN OR
      HAD IN ANY WAY AUTHORIZED ANY UNLAWFUL COLLECTION PRACTICES IN CONNECTION
      WITH THE NOTE OR THE OTHER LOAN DOCUMENTS. Each party agrees to notify the
      other within ten (10) days of receiving notice or knowledge of any such
      claim, demand or assertion.

      (d) From and after the date of this Agreement, Assignee shall assume all
      of Assignor's obligations and duties with respect to servicing the Note
      purchased hereunder and shall service the Note in accordance with
      commercially reasonable standards and applicable law.

      (e) Assignee warrants, represents and agrees that Assignee will not
      institute any legal action in the name of Assignor or continue to
      prosecute or defend in the name of Assignor any pending legal action; nor
      shall Assignee intentionally or unintentionally, through misrepresentation
      or nondisclosure, mislead any person as to, or conceal from any person,
      the identity of Assignee of the Note purchased pursuant to this sale; nor
      shall Assignee use or refer to the names Texas Commerce Bank National
      Association, Chase Bank of Texas, National Association, The Chase
      Manhattan Bank, JPMorgan Chase Bank or any name derived therefrom or
      confusingly similar therewith to promote Assignee's marketing,
      advertising, sale or transfer of the Note or any collateral securing the
      Note or the collection or management thereof; provided, however, that
      nothing herein shall be deemed to preclude Assignee from disclosing to
      potential transferees of the Note the fact that the Note was acquired from
      Assignor. Assignee shall immediately upon demand reimburse Assignor for
      any costs and expenses incurred by Assignor as a result of any claims,
      demands, suits, subpoenas or any costs incurred by Assignor in cooperating
      with Assignee in connection with or related to the Note and Loan
      Documents. Assignor, agrees, to cooperate with Assignee at Assignee's
      expense to transfer of record any collateral security for the Notes or to
      effect the transfers contemplated by this Agreement, at the reasonable
      request of the Assignee. Any amounts not paid within 5 business days will
      bear interest at a per annum interest rate of 18% from the date of demand
      until paid.

      (f) INDEMNIFICATION. TO THE FULLEST EXTENT NOT PROHIBITED BY APPLICABLE
      LAW, FROM AND AFTER THE DATE OF THIS AGREEMENT, ASSIGNEE AGREES TO
      INDEMNIFY, DEFEND AND HOLD

                                Page 4 of 8 Pages
<PAGE>

      HARMLESS ASSIGNOR, ITS SUBSIDIARIES, AFFILIATES, AND THEIR OFFICERS,
      DIRECTORS, SHAREHOLDERS, EMPLOYEES, AGENTS, REPRESENTATIVES AND ATTORNEYS
      (THE "ASSIGNOR PARTIES"), FROM AND AGAINST ANY AND ALL LOSS, LIABILITY,
      CLAIM, JUDGMENT, DAMAGE AND EXPENSE WHATSOEVER (INCLUDING ATTORNEYS' FEES
      AND AMOUNTS PAID IN SETTLEMENT) DIRECTLY OR INDIRECTLY ARISING OUT OF,
      BASED UPON, RESULTING FROM OR OTHERWISE RELATING TO (i) THE SALE OF THE
      NOTE AND THE OTHER LOAN DOCUMENTS, THE NOTE, OR ANY OF THE OTHER LOAN
      DOCUMENTS, THE ASSIGNED RIGHTS OR OTHERWISE, INCLUDING, BUT NOT LIMITED
      TO, ANY ACTION TAKEN BY ASSIGNEE OR ANY ASSIGNOR PARTY IN CONNECTION WITH
      THE NOTE, ANY OTHER LOAN DOCUMENTS OR ANY OF THE ASSIGNED RIGHTS,
      INCLUDING THAT RESULTING FROM SUCH ASSIGNOR PARTY'S OWN NEGLIGENCE, EXCEPT
      AND TO THE EXTENT CAUSED BY SUCH ASSIGNOR PARTY'S GROSS NEGLIGENCE OR
      WILLFUL MISCONDUCT OR RESULTING FROM A MATERIAL INACCURACY OR BREACH OF
      ASSIGNOR'S REPRESENTATIONS OR WARRANTIES HEREIN, (ii) THE INACCURACY OF
      ANY OF ASSIGNEE'S REPRESENTATIONS OR WARRANTIES HEREIN, (iii) THE BREACH
      OF ANY OF ASSIGNEE'S COVENANTS HEREIN, OR (iv) CLAIMS BY OTHER CREDITORS,
      INCLUDING WITHOUT LIMITATION, TRADE CREDITORS AND HOLDERS OF OTHER
      INDEBTEDNESS, OF BORROWER OR ANY GUARANTOR FOR ANY ACT OR OMISSION OF
      ASSIGNEE, ITS SUBSIDIARIES AND AFFILIATES AND THEIR OFFICERS, DIRECTORS,
      SHAREHOLDERS, EMPLOYEE, AGENTS, REPRESENTATIVE AND ATTORNEYS; PROVIDED,
      HOWEVER, THAT ASSIGNOR HAS GIVEN ASSIGNEE PROMPT WRITTEN NOTICE OF ANY
      CLAIM OR AMOUNTS FOR WHICH IT SEEKS INDEMNITY HEREUNDER UPON ASSIGNOR'S
      DISCOVERY OF SUCH CLAIM, AND WRITTEN REQUEST FOR INDEMNIFICATION, AND,
      PROVIDED FURTHER, THAT ASSIGNEE SHALL BE ENTITLED TO CONTEST AND DEFEND
      SUCH CLAIM BY ALL APPROPRIATE LEGAL PROCEEDINGS USING COUNSEL SELECTED BY
      ASSIGNEE TO HANDLE SUCH CLAIM (SUBJECT TO ASSIGNOR'S APPROVAL OF SUCH
      COUNSEL, WHICH APPROVAL SHALL NOT BE UNREASONABLY WITHHELD). ASSIGNOR AND
      ASSIGNEE, AT THE EXPENSE OF ASSIGNEE, AGREE TO COOPERATE IN THE DEFENSE OF
      ANY CLAIM OR COUNTERCLAIM IN ANY ACTION TO ENFORCE OR COLLECT AMOUNTS OWED
      UNDER THE NOTE OR THE OTHER LOAN DOCUMENTS.

4.    ASSIGNEE'S WAIVER OF CONSUMER RIGHTS. ASSIGNEE REPRESENTS AND WARRANTS TO
      ASSIGNOR THAT IT HAS KNOWLEDGE AND EXPERIENCE IN FINANCIAL AND BUSINESS
      MATTERS THAT ENABLE ASSIGNEE TO EVALUATE THE MERITS AND RISKS OF THE
      TRANSACTIONS CONTEMPLATED HEREBY. FURTHER, ASSIGNEE REPRESENTS AND
      WARRANTS TO ASSIGNOR THAT IT IS NOT IN A DISPARATE BARGAINING POSITION
      RELATIVE TO ASSIGNOR. TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW,
      ASSIGNEE HEREBY WAIVES AND RELINQUISHES ALL RIGHTS AND BENEFITS CONFERRED
      (OR WHICH MAY BE CONFERRED) UPON ASSIGNEE IN RESPECT TO THE TRANSACTION
      DESCRIBED HEREIN UNDER THE APPLICATION OF THE DECEPTIVE TRADE
      PRACTICES-CONSUMER PROTECTION ACT (SECTION 17.41 ET. SEQ., TEXAS BUSINESS
      AND COMMERCE CODE), A LAW THAT GIVES CONSUMERS SPECIAL RIGHTS AND
      PROTECTIONS. AFTER CONSULTATION WITH AN ATTORNEY OF THE UNDERSIGNED
      ASSIGNEE'S OWN SELECTION, THE UNDERSIGNED ASSIGNEE VOLUNTARILY CONSENTS TO
      THIS WAIVER.

5.    Consent/Release of Claims of Borrower and Guarantors. Borrower and each
      Guarantor accepts and agrees to the conveyance of the Note by Assignor to
      Assignee and agrees and

                                Page 5 of 8 Pages
<PAGE>

      confirms that the assignment and transfer will not impair Borrower's or
      such Guarantor's respective obligations under Note and the other Loan
      Documents prior to the conveyance. As a condition to Assignor selling the
      Note to Assignee, Borrower and each Guarantor hereby releases Assignor and
      Assignee, its affiliates and all officers, employees and agents thereof
      from any and all claims, demands, damages, actions, known and unknown,
      relating in any way to the Note, any other Loan Documents, the loans
      evidenced thereby, and prior extensions or renewals or modifications
      thereof, any prior promissory notes evidencing such loans, any collateral,
      any document" executed `in connection with the Note, including, but not
      limited to the Loan Documents, any claim of any breach by Assignor of any
      of its covenants, agreements or obligations related to the loans evidenced
      by the Note or any other matter relating in any way to the Note or the
      loans evidenced thereby and Assignor's actions or omissions in
      administering and collecting the renewed notes including, without
      limitation, any claim or defense based on Assignor having contracted for,
      charged or collected interest at a rate greater than that allowed to be
      contracted for, charged or collected by applicable law.

6.    DISCLAIMER OF WARRANTIES AND REPRESENTATIONS NOT EXPRESSED HEREIN. EXCEPT
      FOR THOSE WARRANTIES AND REPRESENTATIONS SPECIFICALLY SET FORTH IN THIS
      AGREEMENT, NO WARRANTIES OR REPRESENTATIONS, EITHER EXPRESS OR IMPLIED,
      HAVE BEEN MADE BY ASSIGNOR OR BY ANYONE ACTING ON ITS BEHALF,
      PARTICULARLY, BUT WITHOUT IN ANY WAY LIMITING THE GENERALITY OF THE
      FOREGOING, NO WARRANTIES OR REPRESENTATIONS REGARDING (I) THE
      COLLECTABILITY OF THE NOTE, (II) THE CREDITWORTHINESS OF ANY OBLIGOR OF
      THE NOTE AND LOAN DOCUMENTS, (III) THE VALUE OF ANY COLLATERAL SECURING
      PAYMENT OF THE NOTE, (IV) THE FREEDOM OF ANY COLLATERAL OF THE NOTE AND
      LOAN DOCUMENTS FROM LIENS AND ENCUMBRANCES, IN WHOLE OR IN PART, (V) THE
      PERFECTION OR PRIORITY OF THE LIENS AND SECURITY INTERESTS OF ANY
      COLLATERAL SECURING THE NOTE, OR (VI) THE TRANSFERABILITY AND
      ENFORCEABILITY OF COLLATERAL DOCUMENTS SUPPORTING THE NOTE. EXCEPT AS
      OTHERWISE PROVIDED IN THIS AGREEMENT, THE NOTE AND LOAN DOCUMENTS SOLD TO
      ASSIGNEE UNDER THIS AGREEMENT ARE SOLD AND TRANSFERRED "AS IS, WITH ALL
      FAULTS", WITHOUT RECOURSE OR WARRANTY, EITHER EXPRESS OR IMPLIED.

7.    Miscellaneous.

      (a) Assignee shall, promptly after the execution of this Agreement and the
      Assignment, notify Borrower of Assignee's purchase of the Note and direct
      that all payments on and communications regarding the Note be sent to
      Assignee's address after execution at 900 Town & Country Lane, Ste. 100,
      Houston, Texas 77024 and not to Assignor.

      (b) This Agreement, the Confidentiality Agreement and the Assignment
      constitute the entire agreement between the parties in respect to the
      subject matter hereof and may not

                                Page 6 of 8 Pages
<PAGE>

      be altered or amended except in a writing by all parties hereto. Words
      with initial capital letters used but not defined herein shall have the
      respective meanings assigned to them in the Assignment. This Agreement may
      be executed in several identical counterparts, on separate counterparts;
      each counterpart will constitute an original instrument, and all separate
      counterparts will constitute but one and the same instrument.

      (c) This Agreement shall be governed by and construed in accordance with
      the laws of the State of Texas. ASSIGNOR AND ASSIGNEE AGREE THAT THIS
      AGREEMENT, THE ASSIGNMENT AND THE CONFIDENTIALITY AGREEMENT WILL BE
      PERFORMED IN HARRIS COUNTY, TEXAS, AND THAT SUCH COUNTY IS PROPER VENUE
      FOR ANY ACTION OR PROCEEDING BROUGHT BY ASSIGNOR OR ASSIGNEE, WHETHER IN
      CONTRACT, TORT, OR OTHERWISE. ANY ACTION OR PROCEEDING AGAINST ASSIGNEE
      MAY BE BROUGHT IN ANY STATE OR FEDERAL COURT IN SUCH COUNTY TO THE EXTENT
      NOT PROHIBITED BY APPLICABLE LAW. TO THE EXTENT PERMITTED BY APPLICABLE
      LAW, ASSIGNEE HEREBY IRREVOCABLY (A) SUBMITS TO THE NONEXCLUSIVE
      JURISDICTION OF SUCH COURTS, AND (B) WAIVES ANY OBJECTION ASSIGNEE MAY NOW
      OR HEREAFTER HAVE AS TO THE VENUE OF ANY SUCH ACTION OR PROCEEDING BROUGHT
      IN ANY SUCH COURT OR THAT ANY SUCH COURT IS AN INCONVENIENT FORUM.
      ASSIGNEE AGREES THAT SERVICE OF PROCESS UPON ASSIGNEE MAY BE MADE BY
      CERTIFIED OR REGISTERED MAIL, RETURN RECEIPT REQUESTED, AT ASSIGNEE'S
      ADDRESS SPECIFIED BELOW. ASSIGNOR MAY SERVE PROCESS IN ANY OTHER MANNER
      PERMITTED BY LAW AND MAY BRING ANY ACTION OR PROCEEDING AGAINST ASSIGNEE
      OR WITH RESPECT TO ANY OF ASSIGNEE'S PROPERTY IN COURTS IN OTHER PROPER
      JURISDICTIONS OR VENUES.

      (d) JURY TRIAL WAIVER. TO THE EXTENT NOT PROHIBITED BY APPLICABLE LAW,
      ASSIGNEE AND ASSIGNOR HEREBY KNOWINGLY, VOLUNTARILY, AND INTENTIONALLY
      WAIVE ANY RIGHT TO TRIAL BY JURY THAT ASSIGNEE OR ASSIGNOR MAY HAVE IN ANY
      ACTION OR PROCEEDING, IN LAW OR IN EQUITY, IN CONNECTION WITH THIS
      AGREEMENT, THE CONFIDENTIALITY AGREEMENT OR THE ASSIGNMENT. ASSIGNEE
      REPRESENTS AND WARRANTS THAT NO REPRESENTATIVE OR AGENT OF ASSIGNOR HAS
      REPRESENTED, EXPRESSLY OR OTHERWISE, THAT ASSIGNOR WILL NOT, IN THE EVENT
      OF LITIGATION, SEEK TO ENFORCE THIS RIGHT TO JURY TRIAL WAIVER. ASSIGNEE
      ACKNOWLEDGES THAT ASSIGNOR HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT
      AND THE ASSIGNMENT BY, AMONG OTHER THINGS, THE PROVISIONS OF THIS SECTION.

                                Page 7 of 8 Pages
<PAGE>

EXECUTED effective as of the day and year first above written.

                            ASSIGNOR: JPMORGAN CHASE BANK

                                      By:  /s/ J. T. White
                                           -----------------------------------
                                           Vice President

For purposes of
paragraph 4 above:

                            ASSIGNEE: WALLIS STATE BANK

___________________________           By:    /s/ J. Mike Smith
                                             -----------------------------------
___________________________           Name:  J. Mike Smith

counsel to Assignee                   Title: SVP

                        BORROWER: TIDEL ENGINEERING, L.P.
                                   BY: TIDEL CASH SYSTEMS, INC., GENERAL PARTNER

                                   By:    /s/ J. Mike Smith
                                          --------------------------------------
                                   Name:  J. Mike Smith
                                   Title: SVP

                             SECRETARY'S CERTIFICATE

      The undersigned, Secretary of TIDEL CASH SYSTEMS, INC. ("Cash"), a
Delaware corporation and General Partner of Tidel Engineering, L.P., a Delaware
limited partnership (`Borrower"), does hereby certify that the undersigned is
familiar with the articles of association, charter, bylaws, partnership
agreement and other organizational documents of Cash and Borrower and the books
and records of Borrower and Cash, and that Cash is duly authorized and empowered
to enter into the above Agreement for and on behalf of Cash and Borrower; and
that Mark K. Levenick is an authorized officer of Cash and is authorized and
empowered to sign on behalf of Cash, for itself and as general partner and on
behalf of Borrower and to bind Cash and Borrower with respect to the Agreement
and that the signature appearing above is the true and correct signature Mark K.
Levenick.

      IN WITNESS WHEREOF, I have hereunto subscribed my name and affixed the
seal of __________ by order of the Board of Directors thereof this _____________
day of __________, 2003.

___________________________

Secretary of Cash

                                Page 8 of 8 Pages
<PAGE>

                               GUARANTOR AND ULTIMATE PARENT:
                               TIDEL TECHNOLOGIES, INC.

                               By:    /s/ Mark K. Levenick
                                      ------------------------------------------
                               Name:  Mark K. Levenick
                               Title: President

                             SECRETARY'S CERTIFICATE

The undersigned, Secretary of TIDEL TECHNOLOGIES, INC. ("TTI"), a Delaware
corporation, does hereby certify that the undersigned is familiar with the
articles of association, charter, bylaws and other organizational documents of
TTI and the books and records of TTI, and that TTI is duly authorized and
empowered to enter into the above Agreement, and that Mark K. Levenick is an
authorized officer of TTI and is authorized and empowered to sign on behalf of
TTI and to bind TTI with respect to the Agreement and that the signature
appearing above is the true and correct signature of Mark K. Levenick.

         IN WITNESS WHEREOF, I have hereunto subscribed my name and affixed the
seal of _______________ by order of the Board of Directors thereof this
_____________ day of ___________________, 2003.

___________________________

Secretary of TTI

                               GUARANTOR: TIDEL SERVIDES, INC.

                               By:    /s/ Mark K. Levenick
                                      ------------------------------------------
                               Name:  Mark K. Levenick
                               Title: President

                             SECRETARY'S CERTIFICATE

      The undersigned, Secretary of TIDEL SERVICES, INC. ("TSI"), a Delaware
corporation, does hereby certify that the undersigned is familiar with the
articles of association, charter, by-laws and other organizational documents of
TSI and the books and records of TSI, and that TSI is duly authorized and
empowered to enter into the above Agreement, and that Mark K. Levenick is an
authorized officer of TSI and is authorized and empowered to sign on behalf of
TSI and to bind TSI with respect to the Agreement and that the signature
appearing above is the true and correct signature of Mark K. Levenick.

      IN WITNESS WHEREOF, I have hereunto subscribed my name and affixed the
seal of ______________________ by order of the Board of Directors thereof this
_____ day of ______________, 2003.

____________________________________

Secretary of TSI

                                Page 9 of 8 Pages
<PAGE>

                                   EXHIBIT "A"

                           ASSIGNMENT OF NOTE AND LIEN

      THIS ASSIGNMENT OF NOTE AND LIEN ("ASSIGNMENT") dated 6-30, 2003, is
executed and delivered by JPMORGAN CHASE BANK, a New York banking corporation
("ASSIGNOR") to WALLIS STATE BANK ("ASSIGNEE").

RECITALS:

      Assignor is the owner of an Amended and Restated Revolving Credit Note
dated April 30, 2002 (the same, as heretofore modified, renewed and extended, is
herein collectively referred to as the "NOTE"), executed by TIDEL ENGINEERING,
L.P. ("BORROWER") in the original principal amount of $4,680,000.00 and payable
to the order of Assignor.

      The Note is secured by the security agreements, guaranties, assignments,
pledges and security devices, of whatever kind or character, listed on the
attached Schedule I herein together with the Note, collectively called the "LOAN
DOCUMENTS". This Assignment is executed and delivered in furtherance of that
Note Purchase Agreement dated 6-30, 2003 between Assignee and Assignor (the
"NOTE PURCHASE AGREEMENT").

ASSIGNMENTS AND AGREEMENTS:

      For good and valuable consideration paid to Assignor and subject to the
following, the receipt and sufficiency of which are hereby acknowledged,
Assignor has TRANSFERRED and ASSIGNED and by these presents TRANSFERS and
ASSIGNS unto Assignee the Note, together with all of the other Loan Documents.

NOTICE:

      Except as expressly set forth in the Note Purchase Agreement, this
Assignment of Note and Liens is delivered and accepted on the express
understanding and agreement, which shall bind Assignee and each person or entity
claiming by, through or under Assignee, that the Note and the Loan Documents are
assigned absolutely WITHOUT REPRESENTATION, WARRANTY OR RECOURSE, EXPRESS OR
IMPLIED as to any matter, including, but not limited to, the existence,
validity, perfection, priority or enforceability of any of the liens,
assignments, security interests, pledges or other security devices securing or
purporting to secure the Note or any part thereof. Assignee acknowledges and
represents that it has, independently and without reliance upon Assignor, and
based on such documents and information as it has deemed sufficient, made its
own analysis off the creditworthiness of Borrower and the sufficiency of the
related documentation and any collateral. Without limiting the generality of any
other provision of this paragraph, Assignee acknowledges that Assignor makes and
has made no warranty or representation as to, and shall not in any way be
responsible for: (a) the accuracy or completeness of any statement, appraisal,
warranty or representation from any source made in or in connection with the
Note or the other Loan Documents; (b) the financial condition of Borrower or any
other person who may be obligated, directly or indirectly, upon the Note; (c)
the value, sufficiency, or description of, or title to, any collateral for the
Note or any property

                                    Exhibit A
                                   Page 1of 2
<PAGE>

covered or purported to be covered by the other Loan Documents; (d) the
performance or observance of any of the terms, covenants or conditions of any
agreement relating to the Note or other Loan Documents; (e) the due execution,
legality, validity, enforceability, genuineness, sufficiency or collectibility
of the Note, any of the other Loan Documents, or any of the property covered or
purported to be covered by the Loan Documents; (f) any inspection of any of the
property, books or records of Borrower; or (g) any action at anytime taken or
omitted to be taken by the Assignor (other than this Assignment) in connection
with the Note or the other Loan Documents.

EXECUTED this ________ day of ________________, 2003.

                                   JPMORGAN CHASE BANK

                                   By: _________________________________________
                                       ________________, Vice President

THE STATE OF TEXAS

COUNTY OF HARRIS

      This instrument was acknowledged before me on this ___________ day of
___________, 2003, by _______________, a Vice President of JPMORGAN CHASE BANK,
a New York banking corporation, for and on behalf of said corporation.

                                   _____________________________________________

                                   Notary Public in and for the State of Texas

                                   Printed Name: _______________________________

                                   My Commission Expires: ______________________

                                    Exhibit A
                                   Page 2of 2
<PAGE>

                                    EXHIBIT B

                                   6-30, 2003

JPMORGAN CHASE BANK
700 North Pearl, 8th Floor
Dallas, Texas 775201
Attn: Michael B. Phillips

      RE: Confidentiality Agreement Ladies and Gentlemen:

      The undersigned has expressed an interest in purchasing from you an
Amended and Restated Revolving Credit Note dated April 30, 2002 (the same, as
heretofore modified, renewed and extended, is herein collectively referred to as
the "NOTE"), executed by Tidel Engineering, L.P.. ("BORROWER") in the original
principal amount of $4,680,000.00 and payable to your order. You have advised
the undersigned that any such purchase and sale would be with very limited
representations and warranties on your behalf and that the undersigned must rely
upon the results of its own investigations and analyses in electing to purchase
the Note. To assist in that effort, you have agreed to make available to the
undersigned certain information in your files and records in respect to the
Note, but your willingness to do so is conditioned upon the undersigned's
agreement to the terms and provisions hereof which shall be and are binding upon
the undersigned irrespective of whether or not the purchase and sale of the Note
is consummated.

      In consideration of your willingness to make available to the undersigned
information in your files and record in respect to the Note and the collateral
purportedly securing repayment of the same, the undersigned hereby agrees with
you as follows (each of which agreements and covenants shall bind the
undersigned irrespective of whether or not the undersigned consummates the
purchase and sale of the Note):

1.    The undersigned shall not have the right to review any portions of the
      records or information you have in your possession in respect to the Note,
      Borrower, the purported collateral for the Note or your relationship to
      Borrower or any guarantor in respect to the Note or otherwise other than
      the loan documents executed in connection with the Note. Without limiting
      the generality of the foregoing, the undersigned recognizes and agrees
      that you will provide no information in respect to the creditworthiness of
      Borrower or any other party liable for repayment of the Note, including
      personal financial statements, tax returns or credit applications of
      Borrower. The undersigned further recognizes and agrees that such
      information as is not delivered to the undersigned by you is not and will
      not be material to the undersigned in reaching its decision as to whether
      or not to purchase the Note.

2.    The undersigned will safeguard all information which the undersigned
      receives from you against unauthorized use or disclosure to others and
      agree to refrain from copying any such information provided by you. In the
      event that the undersigned does not consummate the purchase of the Note,
      the undersigned will return to you all copies of all information, files
      and records in respect to the Note which you provide to the

                                    Exhibit B
                                   Page 1 of 2
<PAGE>

      undersigned promptly upon your request therefor. The undersigned will
      retain no copies of any such information, files or records. The
      undersigned further agrees that you are not granting any license, right,
      title or interest in and to any materials which you may provide the
      undersigned.

3.    Until such time as the undersigned has purchased the Note, the undersigned
      will keep all information in respect to the Note and any of the documents,
      instruments and agreements executed in connection therewith or as security
      therefor, Borrower and any collateral purportedly securing repayment of
      the Note in the strictest confidence and shall not divulge the same to any
      party for any purpose (other than consultants employed by the undersigned
      but then only after such consultants execute and deliver to you agreements
      satisfactory to you wherein such parties agree to be bound by the terms
      and provisions of this letter agreement) except to the extent required to
      do so by court order or other legal process, provided however, the
      undersigned will be responsible for any disclosures of any such
      information by the undersigned in violation of applicable law and any such
      disclosures shall specifically be covered by and included in Section 4
      hereof. The undersigned recognizes that its agreement to keep confidential
      all such material and information is a material inducement to you in
      providing information from your files and records in respect to the Note
      and but for the undersigned's agreements set forth herein you would not do
      so. Until such time as the undersigned has purchased the Note, the
      undersigned further agrees to use such information solely for the purposes
      of evaluating whether or not it desires to purchase the Note and for no
      other purpose whatsoever.

4.    The undersigned hereby agrees to indemnify, defend and hold you harmless
      of, from and against any and all claims, demands, liabilities, causes of
      action, losses, damages, costs and expenses (including attorneys' fees)
      hereafter suffered or incurred by you arising out of, directly or
      indirectly, the undersigned's failure to observe (and to cause its agents,
      contractors, employees and consultants to observe) and comply with the
      terms and provisions hereof. The indemnification obligations of the
      undersigned contained herein shall bind the undersigned, its successors
      and assigns, irrespective of whether or not the purchase of the Note is
      consummated.

5.    This letter agreement shall be governed by and construed in accordance
      with the laws of the State of Texas, Harris County Texas, shall be a
      proper place of venue to enforce the terms and provisions hereof.

                                   Very truly yours,

                                   WALLIS STATE BANK

                                   By: _________________________________________
                                   Name: _______________________________________
                                   Title: ______________________________________

                                    Exhibit B
                                   Page 2 of 2

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