<PAGE>

                   EMPLOYMENT AGREEMENT SETTLEMENT AGREEMENT

      This Employment Agreement Settlement Agreement (this "Agreement") is by
and Docucon, Incorporated, a corporation organized and existing under the laws
of the State of Delaware ("Company"), and Mark G. Hardin, an individual residing
in West Grove, Pennsylvania ("Hardin").

      WHEREAS, Gill has served as Controller of Company under a Confidentiality,
Non-Competition and Termination Agreement made and entered into on October 12,
1999 (the "Employment Agreement"); and

      WHEREAS, this certain Employment Agreement shall be terminated effective
March 31, 2000 (the "Effective Date"); and

      WHEREAS, Company and Hardin intend to enter into an at-will employment
arrangement; and

      NOW, THEREFORE, for good and valuable consideration of the mutual
covenants herein contained and the mutual benefits to be gained by the
performance thereof and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto hereby agree as
follows:

      1. Hardin and Company acknowledge and agree that the Employment Agreement
is terminated effective on the Effective Date. As of March 31, 2000, Hardin and
the Company agree that any further employment relationship between them shall be
on an at-will basis, with base salary, perquisites and benefits not less than
the corresponding terms in effect under the Employment Agreement immediately
prior to the Effective Date, or on such other terms as may be mutually
acceptable to each party.

      2. Hardin and Company further acknowledge and agree that upon execution of
this Agreement, the Company shall be obligated to pay Hardin or his successor in
the event of Hardin's death the aggregate sum of Forty Thousand Seven Hundred
Seventy Nine and 27/100 Dollars ($40,779.27), which represents all sums due to
him for accrued, but unpaid back pay ($11,538.42), accrued vacation earned or to
be earned through April 30, 2000 ($3,740.85) and severance on account of the
Employment Agreement or otherwise ($25,500.00).

      3. Hardin and the Company agree that the sums payable under paragraph 2
above shall be paid as follows: Two-thirds of such sums shall be paid promptly
upon closing and funding of that certain Asset Purchase Agreement, dated March
8, 2000, by and between the Company and Tab Products, Co., and the balance shall
be paid promptly at the time the Escrow Agreement (as described in the Asset
Purchase Agreement) is terminated, from available cash of the Company less any
reasonable provision for additional net costs to wind-down and/or dispose of the
Company.

<PAGE>

      4. By this Agreement, Company and Hardin intend to resolve among
themselves any and all claims, demands, actions or causes of action (including
any in equity), whether known or unknown, contingent or otherwise, of whatsoever
kind or nature for or because of any matter or thing done, omitted or suffered
to be done by or on behalf of any party hereto (the "Claims").

      5. Except as set forth herein, Hardin and Company and their respective
successors, assigns, partners, shareholders, officers, directors, employees,
representatives and affiliates further hereby release, indemnify and hold each
other harmless from any and all Claims arising prior to and including the date
hereof and any other claims, liens causes of action or damages in any way
directly or indirectly arising out of their respective obligations under the
Employment Agreement or otherwise.

      6. The parties further agree that they shall maintain the confidentiality
of the terms of this Agreement, except as required by applicable law.

      7. Hardin and Company further agree to enter into any agreements or
execute any further documentation reasonably required by the other to evidence
and consummate the agreements set forth herein. In this regard, the parties
further agree fully to reasonably cooperate with each other concerning the
disposition or resolution of any claims or liabilities asserted by any third
party against any of them, concerning the operation of Company (i.e., if any
third party asserts false or fraudulent claims against any party hereto, the
parties will cooperate with each other for the purpose of refuting and disposing
of such claims; all out-of-pocket incurred by Hardin related to the disposition
or resolution of such claims or liabilities will be paid by the Company, to the
extent of and in accordance with the indemnity obligations of the Company in
favor of its employees, officers and directors).

      8. This Agreement shall be construed under and is enforceable pursuant to
the laws of the State of Texas. Any dispute under this Agreement shall be
resolved in the courts of the state of the Hardin's residence.

      9. Each party hereto acknowledges that it has read and understands the
effect of this Agreement and that it is executing this Agreement of its own free
will, has availed itself of the opportunity to consult with counsel of its own
choice. Each party covenants to pay its own legal fees incurred in the
negotiation of this Agreement and any matters related to this Agreement.

      10. Notwithstanding any of the above, if Company defaults on its payment
obligations set forth herein, this Agreement shall be of no force and effect.

      EXECUTED to be effective the 31st day of March, 2000.

                           [Signature Page to Follow]

<PAGE>

                              DOCUCON, INCORPORATED
                              a Delaware Corporation


                              By: /s/ Douglas P. Gill
                                 --------------------------------
                              Name: Douglas P. Gill
                              Title: President & CEO


                              /s/ Mark G. Hardin
                              -----------------------------------
                              Mark G. Hardin, Individually