Document:

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                     AGREEMENT RELATING TO NONCOMPETITION

     The parties hereto are entering into this Agreement contemporaneously with
the execution of that certain Asset Purchase Agreement (the "Asset Purchase
Agreement") dated as of December 7, 1999, by and between Tanisys Operations,
LP, a Texas limited partnership ("Buyer")  and Tanisys Technology, Inc., a
Wyoming corporation ("Buyer"), pursuant to which Buyer is purchasing
substantially all of the assets of Seller's worldwide memory components
distribution and manufacturing business.  As an inducement for Buyer to
purchase the Assets and assume the Assumed Liabilities, Seller agrees not to
compete with Buyer or solicit customers or employees from Buyer or its
Affiliates as more particularly described in Section 7.15 of the Asset Purchase
Agreement.  The parties agree that the allocation for tax purposes of $100,000
of the Purchase Price for such noncompetition agreement would be grossly
inadequate to compensate Buyer in the event Seller breaches the provisions of
Section 7.15 (a "Breach") of the Asset Purchase Agreement.  Accordingly, the
parties agree that if Seller violates Section 7.15 of the Asset Purchase
Agreement, $1,500,000 of the Purchase Price shall be refunded in cash to Buyer
by Seller as the parties recognize that such violation necessarily means that
the value of the Asset Purchase Agreement was lower than otherwise contemplated
by the parties without such a Breach; therefore the parties have estimated and
assigned the stated sum as a proper reduction and refund amount.  In addition
to the refund, Buyer shall be entitled to recover any additional actual damages
that may be proven or recovered at trial or in arbitration, as applicable.

     The right of Buyer to receive a $1,500,000 refund hereunder may be invoked
as many times as it is proven or determined by a court or in arbitration that
Seller has violated Section 7.15 of the Asset Purchase Agreement in separate
instances; provided, however, that the amount of refunds hereunder may not
exceed the amount of the Purchase Price plus the Consulting Payments, the Earn
Out Payments and the amount of Assumed Liabilities.

     This Agreement shall be governed by and construed in accordance with the
internal substantive laws of the State of Texas without regard to its
principles of conflict of laws.  This Agreement may be executed in
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.  All initial capitalized
terms used herein and not otherwise defined herein shall have the same meanings
as in the Asset Purchase Agreement.

TANISYS OPERATIONS, LP                  TANISYS TECHNOLOGHY, INC.
By: TANISYS ACQUISITION GP, INC.        By: /s/ Charles T. Comiso
     Its General Partner                   -------------------------------
                                        Name: Charles T. Comiso
                                             -----------------------------
                                        Title: President & CEO
                                              ----------------------------

/s/ Robert Cooper
-------------------------------
Robert Cooper, President<PAGE>

                                 SETTLEMENT AGREEMENT

     THIS SETTLEMENT AGREEMENT is entered into by and between Boston Financial &
Equity Corporation ("BFEC") and Tanisys Technology, Inc. ("TTI").

     WHEREAS, BFEC and TTI entered into that certain Master Lease Agreement No.
1299 dated as of March 4, 1999, which Master Lease Agreement controlled the
leasing of equipment from BFEC to TTI and in connection therewith Schedule No. 1
was executed on March 25, 1999, and Schedule No. 2 was executed on August 12,
1999, each schedule listing equipment leased pursuant thereto under the terms of
the Master Lease Agreement (herein all such equipment is referred to as the
"Equipment" and the Master Lease Agreement and the two schedules are referred to
as the "Lease"); and

     WHEREAS, TTI has defaulted under the terms of the Lease and has requested
that BFEC sell the Equipment to Tanisys Operations, LP ("Purchaser") pursuant to
a Contract for Sale of Equipment of even date herewith; and

     WHEREAS, BFEC has agreed to do so subject to the terms and conditions of
this Settlement Agreement.

     NOW, THEREFORE, for Ten Dollars ($10.00) and other good and valuable
consideration, the parties hereto agree as follows:

     1.   TTI agrees to pay $24,000.00 in cash to BFEC, which payment is to be
          made by wire transfer per wiring instructions furnished by BFEC to TTI
          as follows:

                         Bank Boston
                         Account No. 561-27775
                         ABA No. 011000390

          and to execute a Promissory Note in the principal face amount of
          $22,000.00 payable to BFEC in the form attached hereto as EXHIBIT A
          and incorporated herein (the "Note").

     2.   TTI has requested and hereby requests that BFEC enter into the
          Contract for Sale of Equipment with Purchaser and convey the Equipment
          to Purchaser pursuant to the Contract for Sale of Equipment.  TTI
          agrees that the Lease has terminated and that all of its rights in or
          to the Equipment have terminated as a result and agrees to execute any
          and all documents necessary or appropriate to evidence the fact that
          it no longer has any right, title, or interest in or to the Equipment
          arising under or pursuant to the Lease or otherwise.  TTI also agrees
          to cooperate fully with Purchaser in turning over and locating the
          Equipment and delivering and turning over the right to physical
          possession of the Equipment to Purchaser and agrees to follow
          Purchaser's instructions with respect thereto and agrees to execute
          any documents that BFEC or Purchaser deem necessary or appropriate to
          evidence its conveyance of the Equipment to Purchaser, including any
          documents releasing or conveying any interest TTI might have in the
          Equipment arising under or pursuant to the Lease or otherwise.

     3.   TTI, on behalf of itself, its successors and assigns and any person or
          entity who might assert a claim by, through, or under it (collectively
          herein the "TTI Releasors") agrees to release, acquit

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          and forever discharge and by these presents does hereby release,
          acquit, and forever discharge BFEC, its successors, assigns,
          officers, servants, agents, employees, and representatives
          (collectively herein the "BFEC Releasees"), of, from and for any
          and all claims, liabilities, obligations, and causes of action
          whatsoever, whether past, present, or future, fixed or contingent,
          known or unknown, whether direct, indirect, or derivative, whether
          arising by law, in equity, or otherwise which the TTI Releasors now
          have, or hereafter can, shall, or may have, against the BFEC
          Releasees, by reason of, or relating to any matter, cause, or thing
          whatever, from the beginning of time through the date of this
          Release including without limitation any such claims arising out of
          or pursuant to the terms of the Lease, or relating to any actions
          which BFEC has taken or failed to take under the Lease or with
          respect to the Equipment, or with respect to TTI's default under
          the Lease, or relating to the acceleration of rents by BFEC under
          the Lease, and any negotiations or discussions concerning the Lease
          or the Equipment.  This Release is intended to be a broad general
          release of all claims but it does not release the parties from any
          liabilities or obligations arising under or pursuant to the terms
          of this Agreement.

     4.   BFEC, on behalf of itself, its successors and assigns and any person
          or entity who might assert a claim by, through, or under it
          (collectively the "BFEC Releasors") agrees except as set forth in
          Paragraph 5 hereof to release, acquit, and forever discharge and by
          these presents hereby release, acquit, and forever discharge TTI, and
          its successors, assigns, officers, servants, agents, employees, and
          representatives (collectively the "TTI Releasees") of, from, and for
          any and all claims, liabilities, obligations, and causes of action
          whatsoever, whether past, present, or future, fixed or contingent,
          known or unknown, whether direct, indirect, or derivative, whether
          arising by law, in equity, or otherwise, which the BFEC Releasors now
          have or hereafter can, shall, or may have against the TTI Releasees
          relating to any matter, cause or thing whatever, from the beginning of
          time through the date of this Release including without limitation any
          claims arising out of or related to the Lease and the Equipment and
          any negotiations or discussions concerning the Lease or the Equipment.
          This Release is intended to be a  broad general release of all claims
          but it does not release the parties from any liabilities or
          obligations arising under or pursuant to the terms of this Agreement.
          However, the release by BFEC of TTI as set forth in this paragraph 4
          shall not become effective unless and until TTI has paid the Note in
          full.  If TTI defaults under the terms of the Note, TTI understands
          and agrees that the release set forth in this paragraph 4 shall be
          null and void but the release of TTI of BFEC set forth in paragraph 3
          hereof shall remain in full force and effect.  However, BFEC agrees
          not to assert or pursue any claims it might have against TTI unless
          and until TTI defaults under the terms of the Note.  TTI agrees to
          waive any claim that the rights and claims of BFEC against it which
          would be released when and if the release in paragraph 4 becomes
          effective shall not be barred by limitations as a result of BFEC's
          forebearance in asserting such claims pursuant hereto.

     5.   Notwithstanding anything contained in Paragraph 4 to the contrary,
          BFEC and TTI understand and agree that the release set forth in
          Paragraph 4 shall not release or otherwise affect the rights of BFEC
          arising under and pursuant to that certain Stock Purchase Warrant
          Agreement dated March 10, 1999, pursuant to which TTI has granted BFEC
          the right to purchase 75,000 fully paid shares of common stock for
          $1.61 per share and the parties agree that BFEC's rights under that
          agreement and any other rights of BFEC with respect to the acquisition
          of stock in TTI shall survive the release in Paragraph 4 and remain in
          full force and effect.

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     6.   This Agreement and all the terms herein are binding upon, and inure to
          the benefit of, the respective heirs, successors, assigns, and
          personal representatives, as the case may be, of the parties hereto.

     7.   This Agreement shall be governed by, construed, and interpreted, and
          the rights of the parties determined in accordance with, the laws of
          the Commonwealth of Massachusetts.

     8.   This Agreement constitutes the full, complete, and final statement of
          the agreement of the parties as to all terms, conditions, and
          understandings relating to this Agreement and supersedes and preempts
          any prior agreements, both oral and written.

     9.   This Agreement may be executed in counterparts, each of which shall
          constitute an original but all of which, when taken together, shall
          constitute a single agreement.

     10.  The effective date of this Agreement is December 9 , 1999.

Tanisys Technology, Inc.                BOSTON FINANCIAL & EQUITY CORPORATION

By:  /s/ Charles T. Comiso                   By:  /s/ Adolf F. Monosson
     -------------------------                    ---------------------------

Name:  Charles T. Comiso                     Name:  Adolf F. Monosson
       -------------------------                    -------------------------

Title Pres. & CEO                            Title  President
      -------------------------                    --------------------------

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