KENNETH W. BRIMMER

c/o STEN Corporation

10275 Wayzata Blvd., Suite 310

Minnetonka, Minnesota  55305

October 31, 2008

LV Administrative Services, Inc.

c/o Valens Capital Management, LLC

335 Madison Avenue, 10th Floor

New York, New York 10017

Ladies and Gentlemen:

Reference is made to (i) that certain Security Agreement, dated as of November
23, 2007, between the STEN Corporation, a Minnesota corporation (“STEN”), STEN
Credit Corporation, a Utah corporation (“STEN Credit”), STENCOR, Inc., a
Minnesota corporation (“STENCOR”), STEN Financial Corporation, a Utah
corporation (“STEN Financial”), EasyDrive Cars and Credit Corp., an Arizona
corporation (“EasyDrive”), BTAC Properties, Inc., a Minnesota corporation
(“BTAC”), Alliance Advance, Inc., an Arizona corporation (“Alliance”), STEN
Acquisition Corporation, a Minnesota corporation (“STEN Acquisition”), and
Burger Time Acquisition Corporation, a Minnesota corporation (“BT Acquisition”
and together with STEN, STEN Credit, STENCORP, EasyDrive, BTAC, Alliance, STEN
Acquisition, each a “Company” and collectively, the “Companies”) and LV
Administrative Services, Inc., as administrative and collateral agent (the
“Agent”) for Valens U.S. SPV I, LLC, a Delaware limited liability company
(“Valens”) and the lenders from time to time party thereto (the “Lenders”
together with the Valens and the Agent, collectively, the “Creditor Parties” and
each, a “Creditor Party”) (as amended, modified or supplemented from time to
time, the “Security Agreement”), and (ii) that certain Omnibus Amendment dated
of even date hereof between the Companies and the Creditor Parties (the
“Amendment” and together with the Security Agreement and the Ancillary
Agreements described therein, collectively, the “Documents”).  All terms used
herein but not otherwise defined herein shall have the meaning ascribed such
terms in the Documents.

This letter agreement is being delivered by the undersigned (the “Purchaser”), a
shareholder of the Companies, in connection with the Amendment.  The
consideration received by the Purchaser for signing this letter agreement is the
execution and delivery by the Creditor Parties of the Amendment, which is a
benefit to the Companies and their subsidiaries.

The undersigned agrees to deliver, within thirty (30) days of this letter
agreement, to the Agent an executed Asset Purchase Agreement to purchase the
assets of STENCOR (the “APA”) for an amount that is no less than $1,300,000
(inclusive of the assumption of the current mortgage in the outstanding
principal amount of $473,000 and the assumption of Trade Accounts Payable of
$157,000) on terms and conditions satisfactory to Creditor Parties in their sole
and absolute discretion, including, without limitation, a closing date that is
no later than sixty (60) days following the execution of such Asset Purchase
Agreement (the “Purchase Transaction”).

The Purchaser acknowledges and agrees that his failure deliver the APA or close
the Purchase Transaction or any other requirements herein within the applicable
time limit shall, in each event, constitute an “Event of Default” under the
Documents, provided that the Companies shall not have been able to enter into an
asset purchase agreement to purchase the assets of STENCOR for an amount that is
no less than $1,300,000 with an alternative purchaser on terms and conditions
satisfactory to Creditor Parties in their sole and absolute discretion within
fifteen (15) days of the notice of such failure.

The Creditor Parties shall be entitled to seek injunctive or other equitable
relief to remedy or prevent any actual breach of this letter agreement.

Nothing in this letter agreement shall be deemed to be a consent to a Purchase
Transaction to otherwise release or discharge Creditor’s security interests,
liens, mortgages and/or other charges or encumbrances created on or with respect
to any assets of any Company.

Except as stated herein, nothing set forth in this letter agreement shall be
deemed to constitute a modification or waiver of any of the other terms,
conditions or provisions of the Documents.

This letter agreement shall be deemed to be an Ancillary Agreement under and as
defined in the Documents.  THIS LETTER AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD
TO THE CHOICE OF LAW RULES OF NEW YORK.  In connection with this letter
agreement, the parties hereto hereby consent to the jurisdiction and venue of
the state courts of the State of New York and the federal courts located in the
Southern District of New York, and waive any objection based on any such court
being an inconvenient forum.

This letter agreement may be executed in counterparts and such counterparts
shall, when taken together, constitute one and the same agreement.  Any
signature delivered by a party by facsimile or electronic transmission shall be
deemed to be an original signature hereto.

__________________________

Kenneth W. Brimmer

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Acknowledged and Agreed:

LV ADMINISTRATIVE SERVICES, INC.

By:  ______________________________

Name:  Patrick Regan

Title:    Authorized Signatory

VALENS U.S. SPV I, LLC

By: Valens Capital Management, LLC

its investment manager

By:  ______________________________

Name:  Patrick Regan

Title:    Authorized Signatory

STEN CORPORTION

By:  _______________________________

Name:  Kenneth W. Brimmer

Title:    Chief Executive Officer

STEN CREDIT CORPORTION

By:  ______________________________

Name:  Kenneth W. Brimmer

Title:    Chief Executive Officer

STENCOR INC.

By:  _______________________________

Name:  Kenneth W. Brimmer

Title:    Chief Executive Officer

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EASY DRIVE CARS AND CREDIT CORPORATION

By:  _______________________________

Name:  Kenneth W. Brimmer

Title:    Chief Executive Officer

BTAC PROPERTIES, INC.

By:  _______________________________

Name:  Kenneth W. Brimmer

Title:    Chief Executive Officer

STEN FINANCIAL CORPORATION

By:  _______________________________

Name:  Kenneth W. Brimmer

Title:    Chief Executive Officer

ALLIANCE ADVANCE, INC.

By:  _______________________________

Name:  Kenneth W. Brimmer

Title:    Chief Executive Officer