Document:

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                                                                       EXHIBIT A

                         FORM OF STOCK PURCHASE WARRANT

                        SUPERCONDUCTOR TECHNOLOGIES INC.

                             STOCK PURCHASE WARRANT

         THE WARRANTS EVIDENCED HEREBY AND THE SHARES OF STOCK ISSUABLE
            UPON EXERCISE THEREOF HAVE NOT BEEN REGISTERED UNDER THE
               SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE
          OFFERED OR SOLD WITHOUT REGISTRATION UNLESS AN EXEMPTION FROM
            REGISTRATION IS AVAILABLE UNDER SUCH ACT OR THE RULES OR
                       REGULATIONS PROMULGATED THEREUNDER

Expiration Date: ________ __, 200__                             Series G No. ___

                               WARRANT TO PURCHASE

                                  ------------
                             SHARES OF COMMON STOCK
                               AS DESCRIBED HEREIN

        This certifies that, for value received,
_______________________________________, or its successors and assigns
("Holder"), is entitled to purchase from Superconductor Technologies Inc., a
Delaware corporation (the "Company"), up to and including ____________ fully
paid and non-assessable shares (the "Number of Shares") of the common stock, par
value $0.001 per share, of the Company (the "Common Stock") on the terms set
forth herein at an exercise price of One Dollar and Nineteen Cents ($1.19) per
share (the "Purchase Price"). The Number of Shares and the Purchase Price may be
adjusted from time to time as described in this Warrant.

        1. Exercise.

           1.1 Time for Exercise. This Warrant may be exercised in whole or in
part at any time, and from time to time, during the period commencing one
hundred eighty-one (181) days from the date of this Warrant and expiring on
_______ ___, 200__. [FIVE YEARS FROM CLOSING DATE]

           1.2 Manner of Exercise. This Warrant shall be exercised by delivering
it to the Company with the attached exercise form duly completed and signed,
specifying (i) the number of shares as to which the Warrant is being exercised
at that time (the "Exercise Number"), and (ii) cash or a certified check in an
amount equal to the Exercise Number multiplied by the Purchase Price, and the
Holder shall be entitled to receive the full Exercise Number of shares of Common
Stock.

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           1.3 Effect of Exercise. Promptly (but in any case within five
business days) after any exercise, the Company shall deliver to the Holder (i)
duly executed certificates in the name or names specified in the exercise notice
representing the aggregate number of shares issuable upon such exercise, and
(ii) if this Warrant is exercised only in part, a new Warrant of like tenor
representing the balance of the Number of Shares. Such certificates shall be
deemed to have been issued, and the person receiving them shall be deemed to be
a holder of record of such shares, as of the close of business on the date the
actions required in Section 1.2 shall have been completed or, if on that date
the stock transfer books of the Company are closed, as of the next business day
on which the stock transfer books of the Company are open.

           1.4 Net Issue Exercise.

               1.4.1 In lieu of exercising this Warrant in the manner provided
above in Section 1.2, the Holder may elect to receive shares equal to the value
of this Warrant (or the portion thereof being canceled) by surrender of this
Warrant at the principal office of the Company together with notice of such
election on the purchase/exercise form appended hereto duly executed by such
Holder or such Holder's duly authorized attorney, in which event the Company
shall issue to holder a number of shares of Common Stock computed using the
following formula:

                                 X =   Y (A - B)
                                       ---------
                                          A

            Where:        X = The number of shares of Common Stock to be
                          issued to the Holder.
                          Y = The number of shares of Common Stock purchasable
                          under this Warrant (at the date of such calculation).
                          A = The fair market value of one share of Common Stock
                          (at the date of such calculation).
                          B = The Purchase Price (as adjusted to the date of
                          such calculation).

               1.4.2 For purposes of this Section 1.4, the fair market value of
one share of Common Stock on the date of calculation shall mean:

                     (A) if the Company's Common Stock is traded on a securities
exchange or The Nasdaq Stock Market or actively traded over-the-counter:

                         (1) if the Company's Common Stock is traded on a
securities exchange or The Nasdaq Stock Market, the fair market value shall be
deemed to be the average of the closing prices over a thirty (30) day period
ending three days before date of calculation; or

                         (2) if the Company's Common Stock is actively traded
over-the-counter, the fair market value shall be deemed to be the average of the
closing bid or sales price (whichever is applicable) over the thirty (30) day
period ending three days before the date of calculation; or

                     (B) if (A) is not applicable, the fair market value shall
be at the highest price per share which the Company could obtain on the date of
calculation from a

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willing buyer (not a current employee or director) for shares of Common Stock
sold by the Company, from authorized but unissued shares, as agreed by the
Company and the Holder, unless the Company is at such time subject to an
acquisition as described in Section 4.2 below, in which case the fair market
value per share of Common Stock shall be deemed to be the value of the
consideration per share received by the holders of such stock pursuant to such
acquisition.

        2. Transfer of Warrants and Stock.

           2.1 Transfer Restrictions. Except as provided in the Registration
Rights Agreement dated the date hereof, the sale or re-sale of the Warrant and
the Common Stock issuable upon exercise of the Warrant has not been and is not
being registered under the Securities Act of 1933, as amended ("Securities
Act"), or any applicable state securities laws. Neither this Warrant nor the
securities issuable upon its exercise may be sold, transferred or pledged unless
the Company shall have been supplied with reasonably satisfactory evidence that
such transfer is not in violation of the Securities Act and any applicable state
securities laws. The Company may place a legend to that effect on this Warrant,
any replacement Warrant and each certificate representing shares issuable upon
exercise of this Warrant.

           2.2 Manner of Transfer. Upon delivery of this Warrant to the Company
with the attached assignment form duly completed and signed, the Company will
promptly (but in any case within five business days) execute and deliver to each
transferee and, if applicable, the Holder, Warrants of like tenor evidencing the
rights (i) of the transferee(s) to purchase the Number of Shares specified for
each in the assignment forms, and (ii) of the Holder to purchase any
untransferred portion, which in the aggregate shall equal the Number of Shares
of the original Warrant. The Company may decline to proceed with any partial
transfer if any new Warrant would represent the right to purchase fewer than one
hundred shares of Common Stock (such number to be adjusted as provided in
Section 4). If this Warrant is properly assigned in compliance with this Section
2, it may be exercised by an assignee without having a new Warrant issued.

           2.3 Loss, Destruction of Warrant Certificates. Upon receipt of (i)
evidence reasonably satisfactory to the Company of the loss, theft, destruction
or mutilation of any Warrant and (ii) except in the case of mutilation, an
indemnity or security reasonably satisfactory to the Company (the original
Holder's or any other institutional Holder's indemnity agreed to be
satisfactory), the Company will promptly (but in any case within five business
days) execute and deliver a replacement Warrant of like tenor representing the
right to purchase the same Number of Shares.

        3. Cost of Issuances. The Company shall pay all expenses, transfer taxes
and other charges payable in connection with the preparation, issuance and
delivery of stock certificates or replacement Warrants, except for any transfer
tax or other charge imposed as a result of (i) any issuance of stock
certificates in any name other than the name of the Holder upon exercise of the
Warrant or (ii) any transfer of the Warrant. The Company shall not be required
to issue or deliver any stock certificate or Warrant until it receives
reasonably satisfactory evidence that any such tax or other charge has been paid
by the Holder.

        4. Anti-Dilution Provisions. If any of the following events occur at any
time hereafter during the life of this Warrant, then the Purchase Price and the
Number of Shares immediately prior to such event shall be changed as described
in order to prevent dilution:

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            4.1 Stock Splits, Dividends and Reverse Splits. If at any time the
outstanding shares of Common Stock are subdivided into a greater number of
shares, or if additional shares are issued as a dividend on such Common Stock,
then the Purchase Price will be reduced proportionately and the Number of Shares
will be increased proportionately. Conversely, if at any time the outstanding
shares of Common Stock are consolidated into a smaller number of shares, then
the Purchase Price will be increased proportionately and the Number of Shares
will be reduced proportionately.

            4.2 Effect of Merger, Reorganization and Asset Sales. If any (i)
reorganization or reclassification of the Common Stock, (ii) consolidation or
merger of the Company with or into another corporation, (iii) sale of all or
substantially all of its operating assets to another corporation, or (iv) sale
of the Company substantially as a going concern followed by a liquidation of the
Company (any such occurrence shall be an "Event"), is effected in such a way
that holders of Common Stock are entitled to receive securities and/or assets as
a result of their Common Stock ownership, then upon exercise of this Warrant the
Holder will have the right to receive the shares of stock, securities or assets
which they would have received if this Warrant had been fully exercised as of
the record date for such Event. The Company will not effect any Event unless
prior to or simultaneously with its consummation the successor corporation
resulting from the consolidation or merger (if other than the Company), or the
corporation purchasing the Company's assets or acquiring the Company's stock,
assumes the performance of the Company's obligations under this Warrant (as
appropriately adjusted to reflect such consolidation, merger or sale such that
the Holder's rights under this Warrant are, as nearly as practicable, as set
forth in the first sentence of this Section 4.2 but otherwise, unchanged) by a
binding written instrument.

            4.3 Notices.

                4.3.1 Notice of Adjustments. When any adjustment is required to
be made under this Section 4, the Company shall promptly (i) determine such
adjustments, (ii) prepare and retain on file a statement describing in
reasonable detail the method used in arriving at the adjustment; and (iii) cause
a copy of such statement, together with any agreement required by Section 4.2,
to be mailed to the Holder within 10 days after the date on which the
circumstances giving rise to such adjustment occurred.

                4.3.2 Notice of Events. If at any time (i) the Company declares
any dividends on the Common Stock, (ii) any Event is expected to occur, or (iii)
there is a voluntary or involuntary dissolution, liquidation or winding up of
the Company, then the Company shall give the Holder at least thirty (30) but not
more than ninety (90) days written notice of the date on which the books of the
Company will close or upon which a record will be taken with regard to such
occurrence. Such notice will also specify the date as of which the holders of
the Common Stock will participate in the dividend or will be entitled to
exchange their shares for securities or other property. The notice may state
that the record date is subject to the effectiveness of a registration statement
under the Securities Act or to a favorable vote or determination of shareholders
or of any governmental agency.

            4.4 Computations and Adjustments. Upon each computation of an
adjustment under this Section 4, the Purchase Price shall be computed to the
next lowest cent and the Number of Shares shall be calculated to the next
highest whole share. However, the fractional amount shall be used in calculating
any future adjustments. No fractional shares of Common Stock shall be issued in
connection with the exercise of this Warrant, but the Company shall, in the case
of the final exercise under this Warrant, make a cash payment for

                                      A-4
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any fractional shares based on the closing price on the date of exercise of a
share of Common Stock on the principal exchange or system on which the Common
Stock is listed or traded (the "Principal Exchange") (or, if not then listed or
traded thereon, the mean of the closing bid and asked prices on an automated
quotation system, or, if such quotations are not available, such value
(determined without discount for illiquidity or minority status) as may be
determined in good faith by the Company's Board of Directors, which
determination shall be conclusively binding on the parties). Notwithstanding any
changes in the Purchase Price or the Number of Shares, this Warrant, and any
Warrants issued in replacement or upon transfer thereof, may continue to state
the initial Purchase Price and the initial Number of Shares. Alternatively, the
Company may elect to issue a new Warrant or Warrants of like tenor for the
additional shares of Common Stock purchasable hereunder or, upon surrender of
the existing Warrant, to issue a replacement Warrant evidencing the aggregate
Number of Shares to which the Holder is entitled after such adjustments.

           4.5 Exercise Before Payment Date. In the event that this Warrant is
exercised after the record date for any event requiring an adjustment, but prior
to the actual event, the Company may elect to defer issuing to the Holder any
payment or additional securities required by such adjustment until the actual
event occurs; provided, however, that the Company shall deliver a "due bill" or
other appropriate instrument to the Holder transferable to the same extent as
the Common Stock issuable on exercise evidencing the Holder's right to receive
such additional payment or securities upon the occurrence of the event requiring
such adjustment.

        5. Covenants. The Company agrees that:

           5.1 Reservation of Stock. During the period in which this Warrant may
be exercised, the Company will reserve sufficient authorized but unissued
securities (and, if applicable, property) to enable it to satisfy its
obligations on exercise of this Warrant. If at any time the Company's authorized
securities shall not be sufficient to allow the exercise of this Warrant, the
Company shall take such corporate action as may be necessary to increase its
authorized but unissued securities to be sufficient for such purpose;

           5.2 No Liens, etc. All securities that may be issued upon exercise of
this Warrant will, upon issuance, be validly issued, fully paid, non-assessable
and free from all taxes, liens and charges with respect to the issue thereof,
and shall be listed on any exchanges or authorized for trading on any automated
systems on which that class of securities is listed or authorized for trading;

           5.3 No Diminution of Value. The Company will not take any action to
terminate this Warrant or to diminish it in value;

           5.4 Furnish Information. The Company will promptly deliver to the
Holder copies of all financial statements, reports, proxy statements and other
information which the Company shall have sent to its shareholders generally; and

           5.5 Stock and Warrant Transfer Books. Except upon dissolution,
liquidation or winding up or for ordinary holidays and weekends, the Company
will not at any time close its stock or warrant transfer books so as to result
in preventing or delaying the exercise or transfer of this Warrant.

                                      A-5
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        6. Redemption.

           6.1 If, at any time after the date which is thirty (30) months
following the effective date of the Company's registration statement registering
the Common Stock issuable upon exercise of the Warrants and provided all of the
shares of Common Stock issuable hereunder either (i) are registered pursuant to
an effective Registration Statement (as defined in the Registration Rights
Agreement) which is available for sales of such shares of Common Stock or (ii)
no longer constitute Registrable Securities (as defined in the Registration
Rights Agreement), then upon thirty (30) days prior written notice (the "Notice
Period") to the Warrantholder, the Warrants may be redeemed, at the option of
the Company, at $0.10 per Warrant provided the market price of the Common Stock
shall exceed One Dollar and Nineteen Cents ($1.19). Market price for the purpose
of this Section 6.1 shall mean the average closing bid price of the Common Stock
for ten (10) consecutive trading days as reported by the Principal Exchange. All
Warrants must be redeemed if any are redeemed.

           6.2 In case the Company shall exercise its right to redeem, it shall
mail a notice of redemption to Holders of the Warrants to be redeemed, first
class, postage prepaid, not later than the thirtieth day before the date fixed
for redemption, at their last address. Any notice mailed in the manner provided
herein shall be conclusively presumed to have been duly given whether or not the
Holder receives such notice.

           6.3 The notice of redemption shall specify the redemption price, date
fixed for redemption, the place where the Warrant shall be delivered and the
redemption price shall be paid, and that the right to exercise the Warrant shall
terminate at 5:00 P.M. (Pacific time) on the business day immediately preceding
the date fixed for redemption. The date fixed for the redemption of the Warrants
shall be the Redemption Date.

           6.4 Any right to exercise a Warrant shall terminate at 5:00 P.M.
(Pacific time) on the business day immediately preceding the Redemption Date. On
and after the Redemption Date, Holders of the Warrants shall have no further
rights except to receive, upon surrender of the Warrant, the redemption price of
$0.10 per Warrant.

        7. General Provisions.

           7.1 Complete Agreement; Modifications. This Warrant and any documents
referred to herein or executed contemporaneously herewith constitute the
parties' entire agreement with respect to the subject matter hereof and
supersede all agreements, representations, warranties, statements, promises and
understandings, whether oral or written, with respect to the subject matter
hereof. This Warrant may not be amended, altered or modified except by a writing
signed by the parties.

           7.2 Additional Documents. Each party hereto agrees to execute any and
all further documents and writings and to perform such other actions which may
be or become necessary or expedient to effectuate and carry out this Warrant.

           7.3 Notices. Any notices required or permitted to be given under the
terms of this Agreement shall be sent by certified or registered mail (return
receipt requested) or delivered personally or by courier (including a recognized
overnight delivery service) or by facsimile and shall be effective five days
after being placed in the mail, if mailed by regular United States mail, or upon
receipt, if delivered personally or by courier (including a recognized

                                      A-6
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overnight delivery service) or by facsimile, in each case addressed to a party.
The addresses for such communications shall be:

               If to the Company:

                      Superconductor Technologies Inc.
                      460 Ward Drive
                      Santa Barbara, California 93111-2310
                      Attention: President and Chief Executive Officer
                      Facsimile: (805) 683-9496
                      Telephone: (805) 690-4500

               With copy to:

                      Guth|Christopher LLP
                      10866 Wilshire Boulevard
                      Suite 1250
                      Los Angeles, California 90024
                      Attention: Daniel G. Christopher, Esq.
                      Facsimile: (310) 470-8354
                      Telephone: (310) 474-8809

        If to a Holder: To the address set forth immediately next to such
Holder's name on the signature pages to the Securities Purchase Agreement.

        Each party shall provide notice to the other party of any change in
address.

           7.4 No Third-Party Benefits; Successors and Assigns. None of the
provisions of this Warrant shall be for the benefit of, or enforceable by, any
third-party beneficiary. Except as provided herein to the contrary, this Warrant
shall be binding upon and inure to the benefit of the parties, their respective
successors and permitted assigns. The Holder may assign its rights and
obligations under this Warrant to any third party if done so in compliance with
the requirements of Section 2. The Company may only assign its rights and
obligations this Warrant in connection with a merger, consolidation or sale of
substantially all of its operating assets to the extent expressly permitted by,
and in compliance with all the requirements of, Section 4.2.

           7.5 Governing Law. This Agreement shall be governed by and construed
in accordance with the laws of the State of Delaware applicable to agreements
made and to be performed in the State of Delaware (without regard to principles
of conflict of laws). Both parties irrevocably consent to the exclusive
jurisdiction of the United States federal courts and the state courts located in
Delaware with respect to any suit or proceeding based on or arising under this
Agreement, the agreements entered into in connection herewith or the
transactions contemplated hereby or thereby and irrevocably agree that all
claims in respect of such suit or proceeding may be determined in such courts.
The Company and each Purchaser irrevocably waives the defense of an inconvenient
forum to the maintenance of such suit or proceeding. The Company and each
Purchaser further agrees that service of process upon a party mailed by first
class mail shall be deemed in every respect effective service of process upon
the party in any such suit or proceeding. Nothing herein shall affect either
party's right to serve process in any other manner permitted by law. Each of the
parties agrees that a final non-appealable

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judgment in any such suit or proceeding shall be conclusive and may be enforced
in other jurisdictions by suit on such judgment or in any other lawful manner.

               7.6 Waivers Strictly Construed. With regard to any power, remedy
or right provided herein or otherwise available to any party hereunder (i) no
waiver or extension of time shall be effective unless expressly contained in a
writing signed by the waiving party, and (ii) no alteration, modification or
impairment shall be implied by reason of any previous waiver, extension of time,
delay or omission in exercise, or other indulgence.

               7.7 Severability. The validity, legality or enforceability of the
remainder of this Warrant shall not be affected even if one or more of its
provisions shall be held to be invalid, illegal or unenforceable in any respect.

        IN WITNESS WHEREOF, the Company has caused this Warrant to be duly
executed effective as of __________ ___, 200__.

                                   SUPERCONDUCTOR TECHNOLOGIES INC.

                                   By:       /s/ M. Peter Thomas
                                      ------------------------------------------
                                   Name:  M. Peter Thomas
                                         ---------------------------------------
                                   Title: President and Chief Executive Officer
                                          --------------------------------------
Attest:

By:     /s/ Martin McDermut
   ------------------------------------------------------------------
Name:   Martin McDermut
     ----------------------------------------------------------------

Title:  Senior Vice President, Chief Financial Officer and Secretary
     ----------------------------------------------------------------

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                                 ASSIGNMENT FORM

                    (To Be Executed Upon Transfer of Warrant)

        FOR VALUE RECEIVED, ______________________________ hereby sells, assigns
and transfers to the transferee named below the rights to purchase ___ of the
Number of Shares under this Warrant, together with all rights, title and
interest therein. The rights to purchase the remaining Number of Shares shall
remain the property of the undersigned. This includes a transfer of the
registration rights.

                                     [NAME OF HOLDER]

Dated:                                By:
      ------------------------------    ----------------------------------------
                                                      Signature

                                      Name:
                                           -------------------------------------
                                                  (Please Print)

                                     Title:
                                           -------------------------------------
                                     Address:
                                             -----------------------------------

                                             -----------------------------------

                                             -----------------------------------

                                     Employer Identification Number,
                                     Social Security Number or other
                                     identifying number:
                                                        ------------------------
TRANSFEREE:

Name:
      ------------------------------
               (Please Print)

Address:
        ----------------------------

        ----------------------------

        ----------------------------

Employer Identification Number,
Social Security Number or other
identifying number:
                   -----------------

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                                  EXERCISE FORM

                          (To Be Executed Upon Exercise of Warrant)

        The undersigned hereby exercises the Warrant with regard to
_____________ shares of Common Stock and herewith [makes payment of the purchase
price in full] [OR] [requests that the Company exchange the Warrant for shares
of Common Stock as provided in Section 1.4 of the Warrant]. The undersigned
requests that the certificate(s) for such shares and the Warrant for the
unexercised portion of this Warrant be issued to the Holder.

                                     [NAME OF HOLDER]

Dated:                                By:
      ------------------------------    ----------------------------------------
                                                      Signature

                                      Name:
                                           -------------------------------------
                                                  (Please Print)

                                     Title:
                                           -------------------------------------
                                     Address:
                                             -----------------------------------

                                             -----------------------------------

                                             -----------------------------------

                                     Employer Identification Number,
                                     Social Security Number or other
                                     identifying number:
                                                        ------------------------
TRANSFEREE:

Name:
      ------------------------------
               (Please Print)

Address:
        ----------------------------

        ----------------------------

        ----------------------------

Employer Identification Number,
Social Security Number or other
identifying number:
                   -----------------

                                      A-10<PAGE>
                                                                       EXHIBIT B

                                     FORM OF
                          REGISTRATION RIGHTS AGREEMENT

        This REGISTRATION RIGHTS AGREEMENT is made and entered into as of
_________ ___, 2002 between the investor or investors signatory hereto (each an
"Investor" and together the "Investors") and Superconductor Technologies Inc., a
Delaware corporation (the "Company") with reference to the following facts:

        A. Simultaneously with the execution and delivery of this Agreement, the
Investors are purchasing from the Company, pursuant to a Securities Purchase
Agreement dated the date hereof (the "Purchase Agreement"), up to (i) an
aggregate of ___________ shares (the "Shares") of the Company's common stock,
par value $0.001 per share ("Common Stock"), and stock purchase warrants
("Warrants") to purchase up to ________ additional shares of Common Stock (the
"Warrant Shares") (terms not defined herein shall have the meanings ascribed to
them in the Purchase Agreement).

        B. The Company desires to grant to the Investors the registration rights
set forth herein with respect to the Common Stock purchased pursuant to the
Purchase Agreement and the Warrant Shares (hereinafter referred to as the
"Stock" or "Securities" of the Company).

        NOW, THEREFORE, the parties hereto mutually agree as follows:

        1. Registrable Securities. As used herein the term "Registrable
Security" means the Securities until (i) the Registration Statement has been
declared effective by the Commission, and all Securities have been disposed of
pursuant to the Registration Statement, (ii) all Securities have been sold under
circumstances under which all of the applicable conditions of Rule 144 ("Rule
144") (or any similar provision then in force) under the Securities Act of 1933,
as amended (the "Securities Act") are met, (iii) all Securities have been
otherwise transferred to holders who may trade such Securities without
restriction under the Securities Act, and the Company has delivered a new
certificate or other evidence of ownership for such Securities not bearing a
restrictive legend or (iv) such time as, in the opinion of counsel to the
Company, all Securities may be sold without any time, volume or manner
limitations pursuant to Rule 144(k) (or any similar provision then in effect)
under the Securities Act. The term "Registrable Securities" means any and/or all
of the securities falling within the foregoing definition of a "Registrable
Security." In the event of any merger, reorganization, consolidation,
recapitalization or other change in corporate structure affecting the Common
Stock, such adjustment shall be deemed to be made in the definition of
"Registrable Security" as is appropriate in order to prevent any dilution or
enlargement of the rights granted pursuant to this Agreement.

        2. Restrictions on Transfer. Each Investor acknowledges and understands
that prior to the registration of the Securities as provided herein, the
Securities are "restricted securities" as defined in Rule 144 promulgated under
the Securities Act. Each Investor understands that no disposition or transfer of
the Securities may be made by Investor in the absence of (i) an opinion of
counsel to the Investor, in form and substance reasonably satisfactory to the
Company, that such transfer may be made without registration under the
Securities Act or (ii) such registration.

        With a view to making available to the Investors the benefits of Rule
144 under the Securities Act or any other similar rule or regulation of the
Commission that may at any time

                                      B-1
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permit the Investors to sell securities of the Company to the public without
registration ("Rule 144"), the Company agrees to:

           (a) comply with the provisions of paragraph (c)(1) of Rule 144; and

           (b) file with the Commission in a timely manner all reports and other
documents required to be filed with the Commission pursuant to Section 13 or
15(d) under the Exchange Act by companies subject to either of such sections,
irrespective of whether the Company is then subject to such reporting
requirements.

        3. Registration Rights With Respect to the Securities.

           3.1 The Company agrees that it will prepare and file with the
Securities and Exchange Commission ("Commission"), within thirty (30) days after
the Closing Date a registration statement (on Form S-3, or other appropriate
registration statement form) under the Securities Act (the "Registration
Statement"), at the sole expense of the Company (except as provided in Section
3.3 hereof), in respect of the Investors, so as to permit a public offering and
resale of the Securities under the Act by the Investors as selling stockholders
and not as underwriters. The Company shall use its best efforts to cause such
Registration Statement to become effective within ninety (90) days from the
Closing Date. The number of shares designated in the Registration Statement to
be registered shall include the Shares and Warrant Shares. The Company will
notify the Investors of the effectiveness of the Registration Statement within
one Trading Day of such event.

           3.2 The Company will maintain the Registration Statement or
post-effective amendment filed under this Section 3 effective under the
Securities Act until the earlier of (i) the date that none of the Securities
covered by such Registration Statement are or may become issued and outstanding,
(ii) the date that all of the Securities have been sold pursuant to such
Registration Statement, (iii) the date the Investors receive an opinion of
counsel to the Company that the Securities may be sold under the provisions of
Rule 144 without limitation as to volume, (iv) all Securities have been
otherwise transferred to persons who may trade such shares without restriction
under the Securities Act, and the Company has delivered a new certificate or
other evidence of ownership for such securities not bearing a restrictive
legend, or (v) all Securities may be sold without any time, volume or manner
limitations pursuant to Rule 144(k) or any similar provision then in effect
under the Securities Act in the opinion of counsel to the Company (the
"Effectiveness Period").

           3.3 All fees, disbursements and out-of-pocket expenses and costs
incurred by the Company in connection with the preparation and filing of the
Registration Statement under subparagraph 3.1 and in complying with applicable
securities and Blue Sky laws (including, without limitation, all attorneys' fees
of the Company) shall be borne by the Company. The Investors shall bear the cost
of underwriting and/or brokerage discounts, fees and commissions, if any,
applicable to the Securities being registered and the fees and expenses of their
counsel. The Investors and their counsel shall have a reasonable period, not to
exceed five (5) trading days, to review the proposed Registration Statement or
any amendment thereto, prior to filing with the Commission, and the Company
shall upon request provide each Investor with copies of any comment letters
received from the Commission with respect thereto within two (2) trading days of
receipt thereof. The Company shall qualify any of the Securities for sale in
such states as any Investor reasonably designates and shall furnish
indemnification in the manner provided in Section 6 hereof. However, the Company
shall not be required to qualify in any state which will require an escrow or
other restriction relating to the Company and/or the sellers, or which will
require the Company to qualify to do business in such

                                      B-2
<PAGE>

state or require the Company to file therein any general consent to service of
process. The Company at its expense will supply the Investors with copies of the
applicable Registration Statement and the prospectus included therein and other
related documents in such quantities as may be reasonably requested by the
Investors.

           3.4 The Company shall not be required by this Section 3 to include
any Investor's Securities in any Registration Statement which is to be filed if,
in the opinion of counsel to the Company, the proposed offering or other
transfer as to which such registration is requested is exempt from applicable
federal and state securities laws and would result in all Investors or
transferees obtaining securities which are not "restricted securities" as
defined in Rule 144 under the Securities Act.

           3.5 In the event that the Registration Statement to be filed by the
Company pursuant to Section 3.1 above is not declared effective by the
Commission within ninety (90) days from the Closing Date (a "Registration
Default"), then the Company will pay each Investor as liquidated damages for
such failure and not as a penalty five percent (5%) of the Purchase Price
("Liquidated Damages Amount"). If the Registration Statement is not declared
effective by the Commission within one hundred twenty (120) days of Closing,
then the Company shall pay each Investor a second Liquidated Damages Amount.
Such payment of the liquidated damages shall be made to the Investors in cash,
within five (5) calendar days of demand; provided, however, that the payment of
such liquidated damages shall not relieve the Company from its obligations to
register the Securities pursuant to this Section. If the Company does not remit
the payment to the Investors as set forth above, the Company will pay the
Investors reasonable costs of collection, including attorneys' fees, in addition
to the liquidated damages. The registration of the Securities pursuant to this
provision shall not affect or limit the Investors' other rights or remedies as
set forth in this Agreement.

           3.6 No provision contained herein shall preclude the Company from
selling securities pursuant to any Registration Statement in which it is
required to include Securities pursuant to this Section 3.

           3.7 If at any time or from time to time after the effective date of
any Registration Statement, the Company notifies the Investors in writing of the
existence of a Potential Material Event (as defined in Section 3.8 below), the
Investors shall not offer or sell any Securities or engage in any other
transaction involving or relating to Securities, from the time of the giving of
notice with respect to a Potential Material Event until the Investors receive
written notice from the Company that such Potential Material Event either has
been disclosed to the public or no longer constitutes a Potential Material
Event; provided, however, that the Company may not so suspend the right to such
holders of Securities for more than thirty (30) days in the aggregate (90 days
in the case of an acquisition requiring the filing of audited financial
statements of the acquired business under Form 8-K) during any twelve month
period, during the period the Registration Statement is required to be in
effect. The Company must, if lawful, give the Investors notice in writing at
least two (2) trading days prior to the first day of the blackout period.

           3.8 "Potential Material Event" means any of the following: (a) the
possession by the Company of material information not ripe for disclosure in a
registration statement, as determined in good faith by the Chief Executive
Officer or the Board of Directors of the Company that disclosure of such
information in a Registration Statement would be detrimental to the business and
affairs of the Company; or (b) any material engagement or activity by the
Company which would, in the good faith determination of the Chief Executive
Officer or the

                                      B-3
<PAGE>

Board of Directors of the Company, be adversely affected by disclosure in a
registration statement at such time.

        4. Cooperation with Company. The Investors will cooperate with the
Company in all respects in connection with this Agreement, including timely
supplying all information and confirmations reasonably requested by the Company
or the Commission (which shall include all information regarding the Investors
and proposed manner of sale of the Registrable Securities required to be
disclosed in any Registration Statement) and executing and returning all
documents reasonably requested in connection with the registration and sale of
the Registrable Securities and entering into and performing their obligations
under any underwriting agreement, if the offering is an underwritten offering,
in usual and customary form, with the managing underwriter or underwriters of
such underwritten offering. Nothing in this Agreement shall obligate any
Investor to consent to be named as an underwriter in any Registration Statement.
The obligation of the Company to register the Registrable Securities shall be
absolute and unconditional as to those Securities which the Commission will
permit to be registered without naming the Investors as underwriters. Any delay
or delays caused by the Investors by failure to cooperate as required hereunder
shall not constitute a Registration Default.

        5. Registration Procedures. If and whenever the Company is required by
any of the provisions of this Agreement to effect the registration of any of the
Registrable Securities under the Act, the Company shall (except as otherwise
provided in this Agreement), as expeditiously as possible, subject to the
Investors' assistance and cooperation as reasonably required with respect to
each Registration Statement:

           5.1 (a) prepare and file with the Commission such amendments and
supplements to the Registration Statement and the prospectus used in connection
therewith as may be necessary to keep such Registration Statement effective and
to comply with the provisions of the Securities Act with respect to the sale or
other disposition of all securities covered by such registration statement
whenever the Investors shall desire to sell or otherwise dispose of the same
(including prospectus supplements with respect to the sales of securities from
time to time in connection with a registration statement pursuant to Rule 415
promulgated under the Securities Act) and (b) take all lawful action such that
each of (A) the Registration Statement and any amendment thereto does not, when
it becomes effective, contain an untrue statement of a material fact or omit to
state a material fact required to be stated therein or necessary to make the
statements therein, in light of the circumstances under which they were made,
not misleading and (B) the prospectus forming part of the Registration
Statement, and any amendment or supplement thereto, does not at any time during
the Effectiveness Period include an untrue statement of a material fact or omit
to state a material fact required to be stated therein or necessary to make the
statements therein, in light of the circumstances under which they were made,
not misleading;

           5.2 (a) prior to the filing with the Commission of any Registration
Statement (including any amendments thereto) and the distribution or delivery of
any prospectus (including any supplements thereto), provide draft copies thereof
to the Investors as required by Section 3.3 and reflect in such documents all
such comments as the Investors (and their counsel) reasonably may propose
respecting the Selling Shareholders and Plan of Distribution sections (or
equivalents) and (b) furnish to each Investor such numbers of copies of a
prospectus including a preliminary prospectus or any amendment or supplement to
any prospectus, as applicable, in conformity with the requirements of the Act,
and such other documents, as such Investor may reasonably request in order to
facilitate the public sale or other disposition of the securities owned by such
Investor;

                                      B-4
<PAGE>

           5.3 register and qualify the Registrable Securities covered by the
Registration Statement under such other securities or blue sky laws of such
jurisdictions as the Investors shall reasonably request (subject to the
limitations set forth in Section 3.3 above), and do any and all other acts and
things which may be necessary or advisable to enable each Investor to consummate
the public sale or other disposition in such jurisdiction of the securities
owned by such Investor;

           5.4 list such Registrable Securities on the Principal Market, if the
listing of such Registrable Securities is then permitted under the rules of such
Principal Market;

           5.5 notify each Investor at any time when a prospectus relating
thereto covered by the Registration Statement is required to be delivered under
the Securities Act, of the happening of any event of which it has knowledge as a
result of which the prospectus included in the Registration Statement, as then
in effect, includes an untrue statement of a material fact or omits to state a
material fact required to be stated therein or necessary to make the statements
therein not misleading in the light of the circumstances then existing, and the
Company shall use its best efforts to prepare and file a curative amendment
under Section 5.1;

           5.6 as promptly as practicable after becoming aware of such event,
notify each Investor who holds Registrable Securities being sold (or, in the
event of an underwritten offering, the managing underwriters) of the issuance by
the Commission of any stop order or other suspension of the effectiveness of the
Registration Statement at the earliest possible time and take all lawful action
to effect the withdrawal, recession or removal of such stop order or other
suspension;

           5.7 cooperate with the Investors to facilitate the timely preparation
and delivery of certificates for the Registrable Securities to be offered
pursuant to the Registration Statement and enable such certificates for the
Registrable Securities to be in such denominations or amounts, as the case may
be, as the Investors reasonably may request and registered in such names as the
Investors may request; and, within five (5) trading days after a Registration
Statement which includes Registrable Securities is declared effective by the
Commission, deliver and cause legal counsel selected by the Company to deliver
to the transfer agent for the Registrable Securities (with copies to the
Investors) an appropriate instruction and, to the extent necessary, an opinion
of such counsel;

           5.8 take all such other lawful actions reasonably necessary to
expedite and facilitate the disposition by the Investors of their Registrable
Securities in accordance with the intended methods therefor provided in the
prospectus which are customary for issuers to perform under the circumstances;

           5.9 in the event of an underwritten offering, promptly include or
incorporate in a prospectus supplement or post-effective amendment to the
Registration Statement such information as the managers reasonably agree should
be included therein and to which the Company does not reasonably object and make
all required filings of such prospectus supplement or post-effective amendment
as soon as practicable after it is notified of the matters to be included or
incorporated in such Prospectus supplement or post-effective amendment; and

           5.10 maintain a transfer agent and registrar for its Common Stock.

                                      B-5
<PAGE>

        6. Indemnification.

           6.1 To the maximum extent permitted by law, the Company agrees to
indemnify and hold harmless the Investors and each person, if any, who controls
an Investor within the meaning of the Securities Act (each a "Distributing
Investor") against any losses, claims, damages or liabilities, joint or several
(which shall, for all purposes of this Agreement, include, but not be limited
to, all reasonable costs of defense and investigation and all reasonable
attorneys' fees and expenses), to which the Distributing Investor may become
subject, under the Securities Act or otherwise, insofar as such losses, claims,
damages or liabilities (or actions in respect thereof) arise out of or are based
upon any untrue statement or alleged untrue statement of any material fact
contained in any Registration Statement, or any related final prospectus or
amendment or supplement thereto, or arise out of or are based upon the omission
or alleged omission to state therein a material fact required to be stated
therein or necessary to make the statements therein not misleading; provided,
however, that the Company will not be liable in any such case to the extent, and
only to the extent, that any such loss, claim, damage or liability arises out of
or is based upon an untrue statement or alleged untrue statement or omission or
alleged omission made in such Registration Statement, preliminary prospectus,
final prospectus or amendment or supplement thereto in reliance upon, and in
conformity with, written information furnished to the Company by the
Distributing Investor, its counsel, affiliates or any underwriter, specifically
for use in the preparation thereof. This indemnity agreement will be in addition
to any liability which the Company may otherwise have.

           6.2 To the maximum extent permitted by law, each Distributing
Investor agrees that it will indemnify and hold harmless the Company, and each
officer and director of the Company or person, if any, who controls the Company
within the meaning of the Securities Act, against any losses, claims, damages or
liabilities (which shall, for all purposes of this Agreement, include, but not
be limited to, all reasonable costs of defense and investigation and all
reasonable attorneys' fees and expenses) to which the Company or any such
officer, director or controlling person may become subject under the Securities
Act or otherwise, insofar as such losses, claims, damages or liabilities (or
actions in respect thereof) arise out of or are based upon any untrue statement
or alleged untrue statement of any material fact contained in any Registration
Statement, or any related final prospectus or amendment or supplement thereto,
or arise out of or are based upon the omission or the alleged omission to state
therein a material fact required to be stated therein or necessary to make the
statements therein not misleading, but in each case only to the extent that such
untrue statement or alleged untrue statement or omission or alleged omission was
made in such Registration Statement, final prospectus or amendment or supplement
thereto in reliance upon, and in conformity with, written information furnished
to the Company by such Distributing Investor, its counsel, affiliates or any
underwriter, specifically for use in the preparation thereof. In no event shall
the liability of an Investor be greater in amount than the dollar amount of the
proceeds (net of all expense paid by such Investor and the amount of any damages
such holder has otherwise been required to pay by reason of such untrue
statement or omission) received by such Investor upon the sale of the Securities
included in the Registration Statement giving rise to such indemnification
obligation. This indemnity agreement will be in addition to any liability which
the Distributing Investor may otherwise have.

           6.3 Promptly after receipt by an indemnified party under this Section
6 of notice of the commencement of any action against such indemnified party,
such indemnified party will, if a claim in respect thereof is to be made against
the indemnifying party under this Section 6, notify the indemnifying party in
writing of the commencement thereof; but the omission to so notify the
indemnifying party will not relieve the indemnifying party from any

                                      B-6
<PAGE>

liability which it may have to any indemnified party except to the extent the
failure of the indemnified party to provide such written notification actually
prejudices the ability of the indemnifying party to defend such action. In case
any such action is brought against any indemnified party, and it notifies the
indemnifying party of the commencement thereof, the indemnifying party will be
entitled to participate in, and, to the extent that it may wish, jointly with
any other indemnifying party similarly notified, assume the defense thereof,
subject to the provisions herein stated and after notice from the indemnifying
party to such indemnified party of its election so to assume the defense
thereof, the indemnifying party will not be liable to such indemnified party
under this Section 6 for any legal or other expenses subsequently incurred by
such indemnified party in connection with the defense thereof other than
reasonable costs of investigation, unless the indemnifying party shall not
pursue the action to its final conclusion. The indemnified parties as a group
shall have the right to employ one separate counsel in any such action and to
participate in the defense thereof, but the fees and expenses of such counsel
shall not be at the expense of the indemnifying party if the indemnifying party
has assumed the defense of the action with counsel reasonably satisfactory to
the indemnified party unless (i) the employment of such counsel has been
specifically authorized in writing by the indemnifying party, or (ii) the named
parties to any such action (including any impleaded parties) include both the
indemnified party and the indemnifying party and the indemnified party shall
have been advised by its counsel that there may be one or more legal defenses
available to the indemnifying party different from or in conflict with any legal
defenses which may be available to the indemnified party or any other
indemnified party (in which case the indemnifying party shall not have the right
to assume the defense of such action on behalf of such indemnified party, it
being understood, however, that the indemnifying party shall, in connection with
any one such action or separate but substantially similar or related actions in
the same jurisdiction arising out of the same general allegations or
circumstances, be liable only for the reasonable fees and expenses of one
separate firm of attorneys for the indemnified party, which firm shall be
designated in writing by the indemnified party). No settlement of any action
against an indemnified party shall be made without the prior written consent of
the indemnified party, which consent shall not be unreasonably withheld so long
as such settlement includes a full release of claims against the indemnified
party.

        7. Contribution. In order to provide for just and equitable contribution
under the Securities Act in any case in which (i) the indemnified party makes a
claim for indemnification pursuant to Section 6 hereof but is judicially
determined (by the entry of a final judgment or decree by a court of competent
jurisdiction and the expiration of time to appeal or the denial of the last
right of appeal) that such indemnification may not be enforced in such case
notwithstanding the fact that the express provisions of Section 6 hereof provide
for indemnification in such case, or (ii) contribution under the Securities Act
may be required on the part of any indemnified party, then the Company and the
applicable Distributing Investor shall contribute to the aggregate losses,
claims, damages or liabilities to which they may be subject (which shall, for
all purposes of this Agreement, include, but not be limited to, all reasonable
costs of defense and investigation and all reasonable attorneys' fees and
expenses), in either such case (after contribution from others) on the basis of
relative fault as well as any other relevant equitable considerations. The
relative fault shall be determined by reference to, among other things, whether
the untrue or alleged untrue statement of a material fact or the omission or
alleged omission to state a material fact relates to information supplied by the
Company on the one hand or the applicable Distributing Investor on the other
hand, and the parties' relative intent, knowledge, access to information and
opportunity to correct or prevent such statement or omission. The Company and
the Distributing Investor agree that it would not be just and equitable if
contribution pursuant to this Section 7 were determined by pro rata allocation
or by any other method of allocation which does not take account of the
equitable considerations referred to in this Section 7. The amount paid or
payable by an indemnified

                                      B-7
<PAGE>

party as a result of the losses, claims, damages or liabilities (or actions in
respect thereof) referred to above in this Section 7 shall be deemed to include
any legal or other expenses reasonably incurred by such indemnified party in
connection with investigating or defending any such action or claim. No person
guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of
the Securities Act) shall be entitled to contribution from any person who was
not guilty of such fraudulent misrepresentation.

        Notwithstanding any other provision of this Section 7, in no event shall
any (i) Investor be required to undertake liability to any person under this
Section 7 for any amounts in excess of the dollar amount of the proceeds
received by such Investor from the sale of such Investor's Registrable
Securities (after deducting any fees, discounts and commissions applicable
thereto) pursuant to any Registration Statement under which such Registrable
Securities are registered under the Securities Act.

        8. Notices. All notices, demands, requests, consents, approvals, and
other communications required or permitted hereunder shall be in writing and,
unless otherwise specified herein, shall be (i) hand delivered, (ii) deposited
in the mail, registered or certified, return receipt requested, postage prepaid,
(iii) delivered by reputable air courier service with charges prepaid, or (iv)
transmitted by facsimile, addressed as set forth in the Purchase Agreement or to
such other address as such party shall have specified most recently by written
notice. Any notice or other communication required or permitted to be given
hereunder shall be deemed effective (a) upon hand delivery or delivery by
facsimile, with accurate confirmation generated by the transmitting facsimile
machine, at the address or number designated in the Purchase Agreement (if
delivered on a business day during normal business hours where such notice is to
be received), or the first business day following such delivery (if delivered
other than on a business day during normal business hours where such notice is
to be received) or (b) on the first business day following the date of sending
by reputable courier service, fully prepaid, addressed to such address, or (c)
upon actual receipt of such mailing, if mailed. Either party hereto may from
time to time change its address or facsimile number for notices under this
Section 8 by giving at least ten (10) days' prior written notice of such changed
address or facsimile number to the other party hereto.

        9. Assignment. This Agreement is binding upon and inures to the benefit
of the parties hereto and their respective heirs, successors and permitted
assigns. The rights granted the Investors under this Agreement may be assigned
to any purchaser of substantially all of the Registrable Securities (or the
rights thereto) from an Investor, as otherwise permitted by the Purchase
Agreement.

        10. Determinations. Except as otherwise expressly provided herein, all
consents, approvals and other determinations (other than amendments to the terms
and provisions of this Agreement) to be made by the Investors pursuant to this
Agreement and all waivers and amendments to or of any provisions in this
Agreement after the Closing Date shall be made by Investors (excluding Investors
who are affiliates of the Company) that have invested more than fifty percent
(50%) of the aggregate Investment Amounts invested by all Investors (excluding
Investors who are affiliates of the Company).

        11. Counterparts/Facsimile. This Agreement may be executed in two or
more counterparts, each of which shall constitute an original, but all of which,
when together shall constitute but one and the same instrument, and shall become
effective when one or more counterparts have been signed by each party hereto
and delivered to the other parties. In lieu of the original, a facsimile
transmission or copy of the original shall be as effective and enforceable as
the original.

                                      B-8
<PAGE>

        12. Remedies. The remedies provided in this Agreement are cumulative and
not exclusive of any remedies provided by law. If any term, provision, covenant
or restriction of this Agreement is held by a court of competent jurisdiction to
be invalid, illegal, void or unenforceable, the remainder of the terms,
provisions, covenants and restrictions set forth herein shall remain in full
force and effect and shall in no way be affected, impaired or invalidated, and
the parties hereto shall use their best efforts to find and employ an
alternative means to achieve the same or substantially the same result as that
contemplated by such term, provision, covenant or restriction.

        13. Conflicting Agreements. The Company shall not enter into any
agreement with respect to its securities that is inconsistent with the rights
granted to the holders of Registrable Securities in this Agreement or otherwise
prevents the Company from complying with all of its obligations hereunder.

        14. Headings. The headings in this Agreement are for reference purposes
only and shall not affect in any way the meaning or interpretation of this
Agreement.

        15. Governing Law. This Agreement shall be governed by and construed in
accordance with the laws of the State of Delaware applicable to agreements made
and to be performed in the State of Delaware (without regard to principles of
conflict of laws). Both parties irrevocably consent to the exclusive
jurisdiction of the United States federal courts and the state courts located in
Delaware with respect to any suit or proceeding based on or arising under this
Agreement, the agreements entered into in connection herewith or the
transactions contemplated hereby or thereby and irrevocably agree that all
claims in respect of such suit or proceeding may be determined in such courts.
The Company and each Purchaser irrevocably waives the defense of an inconvenient
forum to the maintenance of such suit or proceeding. The Company and each
Purchaser further agrees that service of process upon a party mailed by first
class mail shall be deemed in every respect effective service of process upon
the party in any such suit or proceeding. Nothing herein shall affect either
party's right to serve process in any other manner permitted by law. Each of the
parties agrees that a final non-appealable judgment in any such suit or
proceeding shall be conclusive and may be enforced in other jurisdictions by
suit on such judgment or in any other lawful manner.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

                                      B-9
<PAGE>

                 Signature Page to Registration Rights Agreement

        IN WITNESS WHEREOF, the undersigned Investors and the Company have
caused this Agreement to be duly executed as of the date first above written.

                                     "COMPANY"

                                     SUPERCONDUCTOR TECHNOLOGIES INC.

                                     By:  /s/ M. Peter Thomas
                                        ----------------------------------------
                                         M. Peter Thomas
                                         President and Chief Executive Officer

                                     "INVESTORS"

RESIDENCE:                           WILMINGTON SECURITIES, INC.
         ---------------------
Investment Amount:  $2,116,500
                  ------------
Common Shares:  2,227,895
                --------------
Warrant Shares:   556,974            By: /s/ Andrew H. McQuarrie
                --------------          ----------------------------------------
                                         Andrew H. McQuarrie, President
Address for Notice:
Wilmington Securities, Inc.
824 Market Street, Suite 900
Wilmington, DE 19801
Attn:  Andrew H. McQuarrie

RESIDENCE:                           HENRY L. HILLMAN,  ELSIE HILLIARD  HILLMAN
         ---------------------       AND C.G. GREFENSTETTE,  TRUSTEES  OF THE
                                     HENRY L. HILLMAN TRUST U/A/T DATED
Investment Amount:  $187,500         NOVEMBER 18, 1985
                    ----------
Common Shares:  197,368
                --------------
Warrant Shares:  49,342
                --------------
                                     By:     /s/ C.G. Grefenstette
                                        ----------------------------------------
Address for Notice:                     C.G. Grefenstette, Trustee

------------------------------

------------------------------

------------------------------

                                      S-1

<PAGE>

RESIDENCE:                            C.G. GREFENSTETTE AND L.M. WAGNER,
          ------------------          TRUSTEES  U/A/T  DATED  DECEMBER  30,
Investment Amount:   $49,000          1976 FOR THE CHILDREN OF JULIET LEA
                    --------          HILLMAN SIMONDS
Common Shares:  51,579
                ------------
Warrant Shares: 12,895
                ------------
                                      By:     /s/ C.G. Grefenstette
                                         ---------------------------------------
Address for Notice:                        C.G. Grefenstette, Trustee

                                      By:     /s/ L.M. Wagner
----------------------------             ---------------------------------------
                                         L.M. Wagner, Trustee
----------------------------

RESIDENCE:                            C.G. GREFENSTETTE AND L.M. WAGNER,
          ------------------          TRUSTEES  U/A/T  DATED  DECEMBER  30,
Investment Amount:   $49,000          1976 FOR THE CHILDREN OF AUDREY
                    --------          HILLMAN FISHER
Common Shares:  51,579
                -----------
Warrant Shares: 12,895
                -----------
                                      By:     /s/ C.G. Grefenstette
                                         ---------------------------------------
Address for Notice:                        C.G. Grefenstette, Trustee

                                      By:     /s/ L.M. Wagner
----------------------------             ---------------------------------------
                                           L.M. Wagner, Trustee
----------------------------

----------------------------

----------------------------

RESIDENCE:                            C.G. GREFENSTETTE AND L.M. WAGNER,
          ------------------          TRUSTEES  U/A/T  DATED  DECEMBER  30, 1976
Investment Amount:  $49,000           FOR THE CHILDREN OF HENRY LEA
                    --------          HILLMAN, JR.
Common Shares:  51,579
                ------------
Warrant Shares:   12,895
                ------------
                                      By:     /s/ C.G. Grefenstette
                                         ---------------------------------------
Address for Notice:                        C.G. Grefenstette, Trustee

----------------------------
                                      By:     /s/ L.M. Wagner
----------------------------              --------------------------------------
                                           L.M. Wagner, Trustee
----------------------------

----------------------------

                                      S-2

<PAGE>

                                         C.G. GREFENSTETTE AND L.M. WAGNER,
RESIDENCE:                               TRUSTEES  U/A/T  DATED  DECEMBER  30,
          -----------------              1976 FOR THE CHILDREN OF WILLIAM
Investment Amount:  $49,000              TALBOTT HILLMAN
                    -------
Common Shares:  51,579
                -----------
Warrant Shares: 12,895                    By:     /s/ C.G. Grefenstette
                -----------                  -----------------------------------
                                                C.G. Grefenstette, Trustee
Address for Notice:
                                          By:     /s/ L.M. Wagner
---------------------------                  -----------------------------------
                                                 L.M. Wagner, Trustee
---------------------------

                                      S-1

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