TREDEGAR CORP
SC 13D, 1999-09-01
UNSUPPORTED PLASTICS FILM & SHEET
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<PAGE>   1

                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON D.C. 20549

                                  SCHEDULE 13D

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934

                        SUPERCONDUCTOR TECHNOLOGIES, INC.
                                (Name of Issuer)

                         Common Stock, $0.001 par value
                         (Title of Class of Securities)

                                    867931107
                                 (CUSIP Number)

                                 Nancy M. Taylor
                              Tredegar Corporation
                              1100 Boulders Parkway
                            Richmond, Virginia 23225

                                 (804) 330-1000

                  (Name, address and telephone number of person
                authorized to receive notices and communications)

                       June 23, 1999 and August 17, 1999
            Dates of Events which Requires Filing of this Statement

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this statement, and is filing this
statement because of Rule 13d-1(e), 13d-1(f) or 13(d)-1(g), check the following
box [ ] N/A


                                       1.
<PAGE>   2

CUSIP NO. 867931107

1. Name of Reporting Person S.S. or I.R.S. Identification No. of above Person

        TGI Fund III, LLC    I.D. # 31-1649684

2. Check the Appropriate Box if Member of a Group (a) [X]
                                                  (b) [ ]

3. SEC Use Only

4. Source of Funds

        AF

5. Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d)
   or 2(e)

        [ ]   N/A

6. Citizenship or Place of Organization

        Virginia

Number of Shares Beneficially Owned by Each Reporting Person With

7. Sole Voting Power

        1,320,000

8. Shared Voting Power

        0

9. Sole Dispositive Power

        1,320,000

10. Shared Dispositive Power

        0

11. Aggregate Amount Beneficially Owned by Each Reporting Person

        1,320,000

12. Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares

        N/A

13. Percent of Class Represented by Amount in Row (11)

        14.6%

14. Type of Reporting Person

        OO


                                       2.
<PAGE>   3

CUSIP NO. 867931107

1. Name of Reporting Person S.S. or I.R.S. Identification No. of above Person

        Tredegar Investments, Inc.  I.D. # 54-1561097

2. Check the Appropriate Box if Member of a Group (a) [X]
                                                  (b) [ ]

3. SEC Use Only

4. Source of Funds

        AF

5. Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d)
   or 2(e)

        [ ]   N/A

6. Citizenship or Place of Organization

        Virginia

Number of Shares Beneficially Owned by Each Reporting Person With

7. Sole Voting Power

        0

8. Shared Voting Power

        1,320,000

9. Sole Dispositive Power

        0

10. Shared Dispositive Power

        1,320,000

11. Aggregate Amount Beneficially Owned by Each Reporting Person

        1,320,000

12. Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares

        N/A

13. Percent of Class Represented by Amount in Row (11)

        14.6%

14. Type of Reporting Person

        CO


                                       3.
<PAGE>   4

CUSIP NO. 867931107

1. Name of Reporting Person S.S. or I.R.S. Identification No. of above Person

        Tredegar Corporation        I.D. # 54-1497771

2. Check the Appropriate Box if Member of a Group (a) [X]
                                                   (b) [ ]

3. SEC Use Only

4. Source of Funds

        WC

5. Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d)
   or 2(e)

        [ ]   N/A

6. Citizenship or Place of Organization

        Virginia

Number of Shares Beneficially Owned by Each Reporting Person With

7. Sole Voting Power

        0

8. Shared Voting Power

        1,320,000

9. Sole Dispositive Power

        0

10. Shared Dispositive Power

        1,320,000

11. Aggregate Amount Beneficially Owned by Each Reporting Person

        1,320,000

12. Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares

        N/A

13. Percent of Class Represented by Amount in Row (11)

        14.6%

14. Type of Reporting Person

        CO


                                       4.
<PAGE>   5

SCHEDULE 13D

Item 1.  Security and Issuer

This Statement relates to the Common Stock, $0.001 par value, of Superconductor
Technologies, Inc., a Delaware corporation (the "Issuer"). The address of the
principal executive offices of the Issuer is 460 Ward Drive, Suite F, Santa
Barbara, California 93111-2310. The Common Stock is quoted on the Nasdaq
National Market under the symbol "SCON".

Item 2.  Identity and Background

        (a) Name of persons filing (individually, the "Registrant" and
collectively, the "Registrants"):

                      TGI Fund III, LLC

                      Tredegar Investments, Inc.

                      Tredegar Corporation

The name, position, business address and citizenship of each director and
executive officer of the entities listed above, each controlling person of such
entities and each director and executive officer of any person or corporation in
control of said entities, is attached hereto as Exhibit 1.

        (b) Business Address

               The address of the Registrants is a follows:

               TGI Fund III, LLC
               6501 Columbia Center
               701 Fifth Avenue
               Seattle, Washington 98104

               Tredegar Investments, Inc.
               6501 Columbia Center
               701 Fifth Avenue
               Seattle, Washington 98104

               Tredegar Corporation
               1100 Boulders Parkway
               Richmond, Virginia 23225


                                       5.
<PAGE>   6

        (c) Principal occupation or employment

               The principal occupations of the companies, listed in response to
               Item 2(a) are:

               For TGI Fund III, LLC and Tredegar Investments, Inc.: diversified
               investments and operations.

               For Tredegar Corporation: manufacturer of plastics and aluminum
               extrusions and has interests in drug discovery, drug delivery and
               a variety of other emerging technologies.

        (d) Criminal convictions

               None of the persons named in Item 2(a)(including Exhibit 1) have
been convicted in a criminal proceeding in the last five years.

        (e) Civil proceedings

               None of the persons listed in response to Item 2(a) (including
Exhibit 1) have in the last five years been subject to a judgment, decree or
final order as described in Item 2, subsection (e) of Schedule 13D.

        (f) Citizenship

               TGI Fund III, LLC is a Virginia limited liability company.

               Tredegar Investments, Inc. is a Virginia corporation

               Tredegar Corporation is a Virginia corporation

Item 3.  Source and Amount of Funds or Other Consideration

        The Securities (defined in Item 4) were purchased for an aggregate of
three million dollars ($3,000,000). The funds were made available to TGI Fund
III, LLC from Tredegar Corporation's working capital as an equity investment by
Tredegar Corporation in Tredegar Investments, Inc., which in turn made an equity
investment in TGI Fund III, LLC.

Item 4.  Purpose of Transaction

On June 23, 1999 TGI Fund III, LLC entered into a Stock Purchase Agreement with
the Issuer pursuant to which TGI Fund III, LLC purchased at two closings on June
23, 1999 and August 17, 1999 an aggregate of 60,000 shares of Series D Preferred
Stock and warrants to purchase 120,000 shares of Common Stock at a price of
$3.00 per share. Such shares of Series D Preferred Stock are initially
convertible into 1,200,000 shares of Common Stock (collectively, the
"Securities").


                                       6.
<PAGE>   7

Except as set forth above and in Item 6 below, the Registrants have no present
plans or proposals which relate to or would result in (a) the acquisition by any
person of additional securities of the Issuer or the disposition of securities
of the Issuer, (b) an extraordinary corporate transaction, such as a merger,
reorganization, or liquidation involving the Issuer or any of its subsidiaries,
(c) a sale or transfer of a material amount of the assets of the Issuer or any
of its subsidiaries, (d) any change in the present Board of Directors or
Management of the Issuer including any plans or proposals to change the number
or term of Directors or to fill any existing vacancies on the Board, (e) any
material change in the present capitalization or dividend policy of the Issuer,
(f) any other material change in the Issuer's business or corporate structure,
(g) changes in the Issuer's charter, by-laws or instruments corresponding
thereto or other actions which may impede the acquisition of control of the
Issuer by any person, (h) causing a class of securities of the Issuer to be
delisted from a national securities exchange or to cease to be authorized to be
quoted in an inter-dealer quotation system of a registered national securities
association, (i) a class of equity securities of the Issuer becoming eligible
for termination of registration pursuant to Section 12(g)(4) of the Act of 1933,
or (j) any action similar to those enumerated above.

Item 5.  Interest in Securities of the Issuer

        (a) Beneficial Ownership

            TGI Fund III, LLC is the owner of record and beneficially owns the
            Securities.

        (b) Power to Vote or Dispose of Shares

            Each person listed above in response to Item 5(a) has the sole power
            to vote and to direct the vote and the sole power to dispose of and
            direct the disposition of the Securities except as follows:

            Tredegar Investments, Inc. and Tredegar Corporation may be deemed to
            share voting and disposition power regarding the shares held or
            deemed held by TGI Fund III, LLC.

        (c) Other than as described herein, there have not been any transactions
            in the class of securities reported on that were effected during the
            past 60 days or since the most recent filing on Schedule 13D,
            whichever is less, by the persons named in response to paragraph
            (a).

        (d) There is no person known to have the right to receive or the power
            to direct the receipt of dividends from, or the proceeds from the
            sale of, such securities.

        (e) Not applicable.


                                       7.
<PAGE>   8

Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to
        Securities of the Issuer

Other than the Series D Preferred Stock Purchase Agreement and the Third Amended
and Restated Stockholder Rights Agreement, attached hereto, as Exhibits 2 and 3,
respectively, there are no contracts, arrangements, understandings or
relationship (legal or otherwise) among the persons named in Item 2 and between
such persons and any person with respect to any securities of the issuer,
including but not limited to transfer or voting of any of the securities,
finder's fees, joint ventures, loan or option arrangements, put or calls,
guarantees of profits, division of profits or loss, or the giving or withholding
of proxies, naming the person with whom such contracts, arrangements,
understandings or relationship have been entered into. There are no securities
that are pledged or otherwise subject to a contingency the occurrence of which
would give another person voting power or investment power over such securities
except that disclosure of standard default and similar provisions contained in
any loan agreements.

Item 7.  Material to be Filed as Exhibits

Exhibit 1. Information concerning officers and directors of reporting
           persons and certain affiliates thereof.

Exhibit 2. Series D Preferred Stock Purchase Agreement

Exhibit 3. Third Amended and Restated Stockholder Rights Agreement


                                       8.
<PAGE>   9

After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.
This statement is filed on behalf of all of the entities listed below. Each such
entity hereby agrees that this statement is filed on behalf of each of them, as
provided for under Rule 13d-1(k) promulgated under the Exchange Act of 1934, as
amended.

TGI FUND III, LLC

By: Tredegar Investments, Inc., Its: Manager

By:/s/ NANCY M. TAYLOR
   ------------------------------------------------
   Nancy M. Taylor
Its:  Vice President and Secretary

TREDEGAR INVESTMENTS, INC.

By:/S/ NANCY M. TAYLOR
   ------------------------------------------------
   Nancy M. Taylor
Its: Vice President and Secretary

TREDEGAR CORPORATION

By:/S/ NANCY M. TAYLOR
   ------------------------------------------------
   Nancy M. Taylor
Its:  Vice President, General Counsel and Secretary

September 1, 1999
Date


                                       9.
<PAGE>   10

EXHIBIT 1

PRINCIPAL OFFICERS AND DIRECTORS OF TGI FUND III LLC, ALL OF WHOM ARE U.S.
CITIZENS

Name and Address                    Title

Tredegar Investments, Inc.          Sole Manager
6501 Columbia Center
701 Fifth Avenue
Seattle, Washington 98104


                              Exhibit 1 - Page 1.
<PAGE>   11

PRINCIPAL OFFICERS AND DIRECTORS OF TREDEGAR INVESTMENTS, INC., ALL OF WHOM ARE
U.S. CITIZENS

<TABLE>
<S>                                 <C>
Name and Address                    Title

John D. Gottwald                    Director
1100 Boulders Parkway
Richmond, Virginia 23225

Steven M. Johnson                   Director and President
6501 Columbia Center
701 Fifth Avenue
Seattle, Washington 98104

Norman A. Scher                     Director and Vice President
1100 Boulders Parkway
Richmond, Virginia 23225

John E. Parkey                      Vice President
6501 Columbia Center
701 Fifth Avenue
Seattle, Washington 98104

Charles A. Blanchard                Vice President
1100 Boulders Parkway
Richmond, Virginia 23225

Anthony P. Russo                    Vice President
6501 Columbia Center
701 Fifth Avenue
Seattle, Washington 98104

Nancy M. Taylor                     Vice President and Secretary
1100 Boulders Parkway
Richmond, Virginia 23225

D. Andrew Edwards                   Treasurer
1100 Boulders Parkway
Richmond, Virginia 23225

Patricia A. Thomas                  Assistant Secretary
1100 Boulders Parkway
Richmond, Virginia 23225
</TABLE>


                              Exhibit 1 - Page 2.
<PAGE>   12

PRINCIPAL OFFICERS AND DIRECTORS OF TREDEGAR CORPORATION, ALL OF WHOM ARE U.S.
CITIZENS

<TABLE>
<S>                                 <C>
Name and Address                    Title

Austin Brockenbrough, III           Director
1100 Boulders Parkway
Richmond, Virginia 23225

Phyllis Cothran                     Director
1100 Boulders Parkway
Richmond, Virginia 23225

Richard W. Goodrum                  Director
1100 Boulders Parkway
Richmond, Virginia 23225

Floyd D. Gottwald, Jr.              Director
1100 Boulders Parkway
Richmond, Virginia 23225

John D. Gottwald                    Director, President and Chief Executive Officer
1100 Boulders Parkway
Richmond, Virginia 23225

William M. Gottwald                 Director
1100 Boulders Parkway
Richmond, Virginia 23225

Richard L. Morrill                  Director
1100 Boulders Parkway
Richmond, Virginia 23225

Emmett J. Rice                      Director
1100 Boulders Parkway
Richmond, Virginia 23225

Norman A. Scher                     Director, Executive Vice President
1100 Boulders Parkway               and Chief Financial Officer
Richmond, Virginia 23225

Thomas G. Slater, Jr.               Director
1100 Boulders Parkway
Richmond, Virginia 23225
</TABLE>


                              Exhibit 1 - Page 3.
<PAGE>   13

<TABLE>
<S>                                 <C>
Douglas R. Monk                     Executive Vice President and Chief Operating Officer
1100 Boulders Parkway
Richmond, Virginia 23225

Anthony J. Rinaldi                  Senior Vice President
1100 Boulders Parkway
Richmond, Virginia 23225

D. Andrews Edwards                  Vice President, Treasurer and Corporate Controller
1100 Boulders Parkway
Richmond, Virginia 23225

Michael W. Ginacaspro               Vice President - Corporate Development
1100 Boulders Parkway
Richmond, Virginia 23225

Nancy M. Taylor                     Vice President, General Counsel and Secretary
1100 Boulders Parkway
Richmond, Virginia 23225

Frederick P. Woods                  Vice President - Personnel
1100 Boulders Parkway
Richmond, Virginia 23225

Patricia A. Thomas                  Assistant Secretary
1100 Boulders Parkway
Richmond, Virginia 23225
</TABLE>


                              Exhibit 1 - Page 4.

<PAGE>   1

EXHIBIT 2



                        SUPERCONDUCTOR TECHNOLOGIES, INC.
                                 460 WARD DRIVE
                                     SUITE F
                         SANTA BARBARA, CALIFORNIA 93111

                   SERIES D PREFERRED STOCK PURCHASE AGREEMENT

                                  JUNE 23, 1999


                              Exhibit 2 - Page 1.
<PAGE>   2

                                TABLE OF CONTENTS

<TABLE>
<S>           <C>                                                                         <C>
Section 1     Authorization And Sale Of Preferred Stock; Issuance Of Warrants...............1

        1.1    Authorization................................................................1
        1.2    Sale of Shares; Issuance of Warrants.........................................1

Section 2     Closing Dates; Delivery.......................................................1

        2.1    Closing......................................................................1
        2.2    Delivery.....................................................................2

Section 3     Representations And Warranties Of The Company.................................2

        3.1    Organization and Standing; Certificate and Bylaws............................2
        3.2    Corporate Power..............................................................2
        3.3    Subsidiaries.................................................................2
        3.4    Capitalization...............................................................2
        3.5    Authorization................................................................3
        3.6    Financial Statements.........................................................4
        3.7    Changes......................................................................4
        3.8    Material Obligations.........................................................5
        3.9    Material Contracts and Commitments...........................................5
        3.10   Intellectual Property, Trademarks, etc.......................................5
        3.11   Title to Properties and Assets; Liens, etc...................................6
        3.12   Compliance with Other Instruments, None Burdensome, etc......................6
        3.13   Litigation, etc..............................................................6
        3.14   Registration Rights..........................................................6
        3.15   Governmental Consent, etc....................................................7
        3.16   Offering.....................................................................7
        3.17   Brokers or Finders...........................................................7
        3.18   Tax Returns and Payments.....................................................7
        3.19   Employee Matters.............................................................7
        3.20   Disclosure...................................................................8
        3.21   Related-Party Transactions...................................................8
        3.22   Permits......................................................................8
        3.23   Proprietary Information and Inventions Agreements............................8
        3.24   Minute Books.................................................................9
        3.25   Material Agreements, Wilmington and Hillman..................................9
        3.26   Stockholder Approval.........................................................9

Section 4     Representations And Warranties Of The Purchasers..............................9

        4.1    Experience; Speculative Nature of Investment.................................9
        4.2    Investment...................................................................9
</TABLE>


                                        i
<PAGE>   3

<TABLE>
<S>           <C>                                                                         <C>
        4.3    Rule 144.....................................................................9
        4.4    No Public Market............................................................10
        4.5    Access to Data..............................................................10
        4.6    Authorization...............................................................10
        4.7    Brokers or Finders..........................................................10
        4.8    Tax Liability...............................................................10

Section 5     Conditions To Purchaser's Obligations To Close...............................11

        5.1    Representations and Warranties Correct......................................11
        5.2    Covenants...................................................................11
        5.3    Blue Sky....................................................................11
        5.4    Certificate of Designation..................................................11
        5.5    Rights Agreement............................................................11
        5.6    Compliance Certificate......................................................11
        5.7    Compliance with Law.........................................................11
        5.8    Opinion of Company's Counsel................................................11
        5.9    Stockholder Approval........................................................11
        5.10   Acknowledgment of Total  Anti-Dilution  Rights by Existing Holders of
               Preferred Stock.............................................................12
        5.11   Silicon Valley Bank.........................................................12

Section 6     Conditions To Company's Obligations To Close.................................12

        6.1    Representations.............................................................12
        6.2    Covenants...................................................................12
        6.3    Blue Sky....................................................................12
        6.4    Certificate of Designation..................................................12
        6.5    Rights Agreement............................................................12
        6.6    Compliance with Law.........................................................12
        6.7    Stockholder Approval........................................................12

Section 7     Covenants....................................................................13

        7.1    Board of Directors Observer Rights..........................................13
        7.2    Stockholder Approval........................................................13
        7.3    Termination of Cryo-Asia Pte Ltd............................................13

Section 8     Miscellaneous................................................................13

        8.1    Governing Law...............................................................13
        8.2    Survival....................................................................13
        8.3    Successors and Assigns......................................................14
        8.4    Entire Agreement; Amendment.................................................14
</TABLE>

                                       ii
<PAGE>   4

<TABLE>
<S>           <C>                                                                         <C>
        8.5    Notices, etc................................................................14
        8.6    Delays or Omissions.........................................................14
        8.7    California Corporate Securities Law.........................................15
        8.8    Counterparts................................................................15
        8.9    Severability................................................................15
        8.10   Titles and Subtitles........................................................15
        8.11   Expenses....................................................................15
        8.12   Exculpation Among Purchasers................................................15
        8.13   Finder's Fees...............................................................15
</TABLE>

                                       iii
<PAGE>   5

                                    EXHIBITS

<TABLE>
      <S>     <C>
       A      Schedule of Purchasers

       B      Certificate of Designation for Series D Preferred Stock

       C      Warrants

       D      Third Amended and Restated Stockholder Rights Agreement

       E      Compliance Certificate

       F      Opinion of Counsel
</TABLE>

                                       iv
<PAGE>   6

                        SUPERCONDUCTOR TECHNOLOGIES, INC.

                    SERIES D PREFERRED STOCK PURCHASE AGREEMENT

      THIS SERIES D PREFERRED STOCK PURCHASE AGREEMENT (the "Agreement") is made
as of June 23, 1999 by and among SUPERCONDUCTOR TECHNOLOGIES INC., a Delaware
corporation (the "Company"), and the purchasers identified on Exhibit A hereto
(the "Purchasers").

                                   SECTION 1

       AUTHORIZATION AND SALE OF PREFERRED STOCK; ISSUANCE OF WARRANTS

      1.1 AUTHORIZATION. The Company will, prior to the Initial Closing (as
defined below), authorize the sale and issuance of (i) 130,000 shares (the
"Shares") of the Company's Series D Preferred Stock ("Series D Preferred"),
having the rights, privileges and preferences as set forth in the Series D
Preferred Stock Certificate of Designation (the "Certificate") in the form
attached to this Agreement as Exhibit B and (ii) the warrants in the form
attached to this Agreement as Exhibit C (the "Warrants") to purchase up to
260,000 shares of the Company's Common Stock at a price of $3.00 per share.

      1.2 SALE OF SHARES; ISSUANCE OF WARRANTS. Subject to the terms and
conditions of this Agreement, each of the Purchasers agrees to purchase, and the
Company agrees to sell and issue to each Purchaser, the number of Shares and
number of Warrants set forth next to such Purchaser's name on Exhibit A, for the
purchase price set forth opposite such Purchaser's on Exhibit A. The Company's
agreement with each Purchaser is a separate agreement, and the sale of the
Shares and Warrants to each Purchaser is a separate sale.

                                    SECTION 2

                             CLOSING DATES; DELIVERY

      2.1 CLOSING. The closing for the purchase and sale of the Shares and the
issuance of the Warrants hereunder shall take place at two closings (each of
which is referred to in this Agreement as a "Closing"). The initial closing (the
"Initial Closing") shall take place as soon as practical following satisfaction
of the closing conditions, and a second closing (the "Second Closing") shall
take place as early as practical following receipt by the Company of Stockholder
approval of the Series D Preferred Stock financing as required by the rules of
the Nasdaq Stock Market ("Stockholder Approval"). Absent review by the
Securities and Exchange Commission (the "SEC") of the Company's proxy statement
relating to the Stockholder Approval, the Second Closing shall occur on or
before August 1, 1999. The Company may sell in the Second Closing up to the
balance of the authorized shares of Series D Preferred and Warrants not sold at
the Initial Closing to such purchasers as may be approved by the Company's Board
of Directors (the "Board"). All such sales shall be made on the terms and
conditions set forth in this Agreement. Any shares of Series D Preferred sold at
each Closing shall be deemed to be "Shares" for all purposes under this
Agreement and any purchasers thereof shall be deemed to be "Purchasers"


                                       1
<PAGE>   7

for all purposes under this Agreement. Each Closing shall be held at the offices
of Wilson Sonsini Goodrich & Rosati, 650 Page Mill Road, Palo Alto, California,
at 2:00 p.m. local time, on each Closing Date, or at such other time and place
upon which the Company and the Purchasers shall agree.

      2.2 DELIVERY. At each Closing, the Company will deliver to each Purchaser
a certificate registered in such Purchaser's name representing the number of
Shares set forth next to such Purchasers' name on Exhibit A and a Warrant for
the purchase of the number of shares of Common Stock set forth next to such
Purchaser's name on Exhibit A, against payment of the purchase price set forth
next to such Purchaser's name of Exhibit A (the "Purchase Price") by cashier's
or certified check payable to the Company, cancellation of indebtedness, or wire
transfer of immediately available funds per the Company's instructions.

                                    SECTION 3

                REPRESENTATIONS AND WARRANTIES OF THE COMPANY

      Except as set forth on Schedule of Exceptions provided to the Purchasers,
the Company represents and warrants to the Purchasers at each Closing as
follows:

      3.1 ORGANIZATION AND STANDING; CERTIFICATE AND BYLAWS. The Company is a
corporation duly organized and existing under, and by virtue of, the laws of the
State of Delaware and is in good standing under such laws. The Company has
requisite corporate power and authority to own and operate its properties and
assets, and to carry on its business. The Company is presently qualified to do
business as a foreign corporation in each jurisdiction where the failure to be
so qualified would have a material adverse effect on the Company's business,
operating results or financial condition (a "Material Adverse Effect").

      3.2 CORPORATE POWER. The Company has all requisite legal and corporate
power and authority to execute and deliver this Agreement and that certain Third
Amended and Restated Stockholder Rights Agreement substantially in the form
attached hereto as Exhibit C (the "Rights Agreement"), to sell and issue the
Warrants and Shares hereunder, to issue the shares of the common stock of the
Company (the "Common Stock") issuable upon conversion of the Shares, to issue
the Common Stock issuable on exercise of the Warrants and to carry out and
perform its obligations under the terms of this Agreement and the Rights
Agreement (together the "Agreements").

      3.3 SUBSIDIARIES. Except for Cryo-Asia Pte Ltd., a joint venture with
Alantac in Singapore, the Company has no subsidiaries and does not otherwise own
or control, directly or indirectly, any equity interest in any corporation,
association or business entity.

      3.4 CAPITALIZATION. (a) The authorized capital stock of the Company
consists or will, upon the filing prior to the Closing of the Certificate,
consist of (i) 30,000,000 shares of Common Stock, par value $0.001 per share, of
which 7,737,216 shares are issued and outstanding as of June ___, 1999, and (ii)
2,000,000 shares of Preferred Stock, of which (1) 64,584 shares have been
designated "Series A-2 Preferred," all of which are issued and outstanding, (2)
12,500 shares have been designated "Series A-3 Preferred," all of which are


                                       2
<PAGE>   8

issued and outstanding, (3) 50,000 shares have been designated "Series B-1
Preferred", all of which are issued and outstanding, and (4) 41,667 shares have
been designated "Series C Preferred," all of which were issued and outstanding,
and (5) 130,000 shares have been designated "Series D Preferred," none of which
were issued and outstanding prior to the Initial Closing. The outstanding shares
have been duly authorized and validly issued in compliance with applicable laws,
and are fully paid and nonassessable.

            (b) As of the date of the Closing, the Company has reserved (i)
130,000 shares of Series D Preferred Stock for issuance hereunder, (ii)
6,170,130 shares of Common Stock for issuance upon conversion of all shares of
Company Preferred Stock to be issued and outstanding following the Closings,
consisting of (1) 1,333,031 shares for issuance upon conversion of Series A-2
Preferred Stock, (2) 270,116 shares for issuance upon conversion of Series A-3
Preferred Stock, (3) 1,080,465 shares for issuance upon conversion of Series B-1
Preferred Stock, (4) 886,518 shares for issuance upon conversion of Series C
Preferred Stock, and (5) 2,600,000 shares for issuance upon conversion of Series
D Preferred Stock, (iii) 410,580 shares of Common Stock for issuance upon
exercise of warrants issued in connection with the Company's prior Preferred
Stock financings, (iv) 260,000 shares of Common Stock for issuance upon exercise
of the Warrants, (v) 75,000 shares of Common Stock for issuance upon exercise of
Warrants issued in connection with the Exchange Agreement (the "Exchange
Agreement") entered into between the Company and holders of Company Preferred
Stock as of February 26, 1999, (vii) 2,918,293 shares of its Common Stock for
issuance to employees, consultants or directors pursuant to its 1992 Director
Option Plan, 1992 Stock Option Plan, Amended and Restated 1988 Stock Option
Plan, 1998 Nonstatutory Option Plan and 1999 Stock Plan of which options to
purchase 1,884,851 shares are issued and outstanding and (viii) a total of
281,431 shares of Common Stock for issuance upon exercise of certain outstanding
warrants as identified in the Schedule of Exceptions.

            (c) The Common Stock, the Series A-2, Series A-3, Series B-1 and
Series C Preferred shall have the rights, preferences, privileges and
restrictions set forth in the Company's Restated Certificate of Incorporation
(the "Certificate of Incorporation"), copies of which have been provided to the
Purchasers. The Series D Preferred shall have the rights set forth in the
Certificate. Except as set forth above, and in the Schedule of Exceptions, there
are no options, warrants, or other rights to purchase any of the Company's
authorized and unissued capital stock.

            (d) Except as set forth on the Schedule of Exceptions, no stock
plan, stock purchase, stock option or other agreement or understanding between
the Company and any holder of any equity securities or rights to purchase equity
securities provides for acceleration or other changes in the vesting provisions
or other terms of such agreement or understanding as the result of any merger,
consolidated sale of stock or assets, change in control or any other
transaction(s) by the Company.

      3.5 AUTHORIZATION. All corporate action on the part of the Company and its
directors necessary for the authorization, execution, delivery and performance
of the Agreements by the Company, the authorization, sale, issuance and delivery
of the Warrants, Shares and the Common Stock issuable upon conversion of the
Shares and upon exercise of the Warrants, and the performance of all of the
Company's obligations under the Agreements has been taken or will be taken prior
to the Initial Closing. The Agreements, when executed and delivered by the


                                       3
<PAGE>   9

Company, shall constitute valid and binding obligations of the Company,
enforceable in accordance with their terms, subject to laws of general
application relating to bankruptcy, insolvency and the relief of debtors and
rules of law governing specific performance, injunctive relief or other
equitable remedies, except that the indemnification provisions of Section 1.11
of the Rights Agreement may further be limited by principles of public policy.
The Warrants and Shares, when issued in compliance with the provisions of this
Agreement, will be validly issued, will be fully paid and nonassessable, and
will have the rights, preferences and privileges described in the certificate
representing the Warrants and the Certificate; the Common Stock issuable upon
conversion of the Shares and upon exercise of the Warrants has been duly and
validly reserved and, when issued in compliance with the provisions of this
Agreement, the Certificate of Incorporation of the Company, the Certificate and
the certificate representing the Warrants will be validly issued, and will be
fully paid and nonassessable; and the Shares and the Common Stock issued upon
conversion of the Shares and upon exercise of the Warrants, will be free of any
liens or encumbrances, other than any liens or encumbrances created by or
imposed upon the Purchaser; provided, however, that the Shares, and the Common
Stock issuable upon conversion of the Shares and upon exercise of the Warrants,
are subject to restrictions on transfer under state and/or federal securities
laws as set forth herein and in the Rights Agreement.

      3.6 FINANCIAL STATEMENTS. The Company has made available to each Purchaser
copies of the Company's Annual Report on Form 10-K for the fiscal year ended
December 31, 1998 and the Quarterly Report on Form 10-Q for the fiscal quarter
ended April 3, 1999 (the "Reports"). The financial statements included within
the Reports are complete and correct in all material respects and accurately set
out and describe the financial condition and operating results of the Company as
of the dates and during the periods indicated therein, subject only, in the case
of financial statements included in the Quarterly Report, to footnotes and
normal year-end adjustments.

      3.7 CHANGES. Since the date of the Company's last Quarterly Report on Form
10-Q, there has not been:

            (a) Any change in the assets, liabilities, financial condition, or
operations of the Company except changes in the ordinary course of business
which have not been in any case materially adverse;

            (b) Any damage, destruction, or loss, whether or not covered by
insurance, materially and adversely affecting the properties or business of the
Company;

            (c)   Any waiver or compromise by the Company of a valuable  right
or of a material debt owed to it;

            (d) Any loans made by the Company to its employees, officers or
directors other than travel advances made in the ordinary course of business;

            (e)   Any   declaration  or  payment  of  any  dividend  or  other
distribution by the Company; or


                                       4
<PAGE>   10

            (f) To the best of the Company's knowledge, any other event or
condition of any character which has materially and adversely affected the
business operations, assets or financial condition of the Company;

            (g) Any satisfaction or discharge of any lien, claim, or encumbrance
or payment of any obligation by the Company, except in the ordinary course of
business and that is not material to the business, properties, or financial
condition of the Company (as such business is presently conducted and as it is
presently proposed to be conducted);

            (h) Any material change to a material contract or arrangement by
which the Company or any of its assets is bound or subject;

            (i) Any material change in any compensation arrangement or agreement
with any employee, officer, director or stockholder;

            (j) Any sale, assignment, or transfer of any patents, trademarks,
copyrights, trade secrets, or other intangible assets;

            (k) Any resignation or termination of employment of any key officer
of the Company; and the Company, to the best of its knowledge, does not know of
the impending resignation or termination of employment of any such officer;

            (l) Any agreement or commitment by the Company to do any of the
things described in items (a) through (k) above.

      3.8 MATERIAL OBLIGATIONS. The Company has no material liabilities or
obligations, absolute or contingent (individually or in the aggregate), except
(i) the liabilities and obligations set forth in the Reports, and (ii)
liabilities and obligations which have been incurred subsequent to April 3,
1999, in the ordinary course of business which have not been, either in any case
or in the aggregate, material.

      3.9 MATERIAL CONTRACTS AND COMMITMENTS. To the best of the Company's
knowledge, all of the contracts, agreements and instruments to which the Company
is a party and which are set forth or incorporated by reference in the Reports
and all such contracts, agreements and instruments which would be required to be
set forth in the Reports, if such Reports were dated as of the Closing (the
"Material Agreements") are valid, binding and in full force and effect in all
material respects, subject to laws of general application relating to
bankruptcy, insolvency and the relief of debtors and rules of law governing
specific performance, injunctive relief or other equitable remedies.

      3.10 INTELLECTUAL PROPERTY, TRADEMARKS, ETC. To the best of its knowledge
(but without having conducted any special investigation or patent search), the
Company owns or possesses sufficient legal rights to all patents, trademarks,
service marks, trade names, copyrights, trade secrets, licenses, information,
and proprietary rights and processes necessary for its business as now conducted
and as proposed to be conducted without any conflict with, or infringement of
the rights of, others. Except for agreements with its own employees or
consultants, substantially in the form referenced in Section 3.23 below, and
standard end-user license agreements, there are no outstanding options,
licenses, or agreements of any kind relating


                                       5
<PAGE>   11

to the foregoing, nor is the Company bound by or a party to any options,
licenses, or agreements of any kind with respect to the patents, trademarks,
service marks, trade names, copyrights, trade secrets, licenses, information,
and proprietary rights and processes of any other person or entity. The Company
has not received any communications alleging that the Company has violated or,
by conducting its business as proposed, would violate any of the patents,
trademarks, service marks, trade names, copyrights, trade secrets, or other
proprietary rights or processes of any other person or entity. The Company is
not aware that any of its employees is obligated under any contract (including
licenses, covenants, or commitments of any nature) or other agreement, or
subject to any judgment, decree, or order of any court or administrative agency,
that would interfere with the use of such employee's best efforts to promote the
interests of the Company or that would conflict with the Company's business as
proposed to be conducted. Neither the execution nor delivery of this Agreement,
nor the carrying on of the Company's business by the employees of the Company,
nor the conduct of the Company's business as proposed, will, to the best of the
Company's knowledge, conflict with or result in a breach of the terms,
conditions, or provisions of, or constitute a default under, any contract,
covenant, or instrument under which any of such employees is now obligated. The
Company does not believe it is or will be necessary to use any inventions of any
of its employees (or persons it currently intends to hire) made prior to their
employment by the Company.

      3.11 TITLE TO PROPERTIES AND ASSETS; LIENS, ETC. The Company has good and
marketable title to its properties and assets, and has good title to all its
leasehold interests, in each case subject to no mortgage, pledge, lien, lease,
encumbrance or charge, other than (i) the lien of current taxes not yet due and
payable, and (ii) possible minor liens and encumbrances which do not in any case
materially detract from the value of the property subject thereto or materially
impair the operations of the Company, and which have not arisen otherwise than
in the ordinary course of business.

      3.12 COMPLIANCE WITH OTHER INSTRUMENTS, NONE BURDENSOME, ETC. The Company
is not in violation of any term of the Certificate of Incorporation or Bylaws,
each as amended to date, or in any material respect of any term or provision of
any Material Agreement, judgment, decree, order, statute, rule or regulation
applicable to the Company in any respect that could reasonably be expected to
have a Material Adverse Effect. The execution, delivery and performance of this
Agreement, and the issuance of the Warrants, Shares and the Common Stock
issuable upon conversion of the Shares and upon exercise of the Warrants, have
not resulted and will not result in any material violation of, or conflict with,
or constitute a material default under, the Certificate of Incorporation or
Bylaws, as amended, nor any of the Material Agreements, nor result in the
creation of, any mortgage, pledge, lien, encumbrance or charge upon any of the
properties or assets of the Company.

      3.13 LITIGATION, ETC. There are no actions, suits, proceedings or
investigations pending against the Company or its properties before any court or
governmental agency (nor, to the best of the Company's knowledge, is there any
reasonable basis therefor or threat thereof) which, if adversely determined,
would have a Material Adverse Effect. The Company is not a party or subject to
the provisions of any order, writ, injunction, judgment or decree of any court
or government agency or instrumentality.


                                       6
<PAGE>   12

      3.14 REGISTRATION RIGHTS. Except as set forth in the Rights Agreement
attached hereto as Exhibit D, and the Amended and Restated Registration Rights
Agreement entered into between the Company and the holders of Company Series B-1
Preferred Stock, the Company is not under any contractual obligation to register
(as defined in Section 1.2 of the Rights Agreement) any of its presently
outstanding securities or any of its securities which may hereafter be issued.

      3.15 GOVERNMENTAL CONSENT, ETC. No consent, approval or authorization of
or designation, declaration or filing with any governmental authority on the
part of the Company is required in connection with the valid execution and
delivery of the Agreements, or the offer, sale or issuance of the Warrants,
Shares and the Common Stock issuable upon conversion of the Shares and upon
exercise of the Warrants, or the consummation of any other transaction
contemplated hereby or thereby, except (a) filing of the Certificate in the
office of the Delaware Secretary of State, and (b) qualification (or taking such
action as may be necessary to secure an exemption from qualification, if
available) of the offer, sale and issuance of the Warrants and Shares (and the
Common Stock issuable upon conversion of the Shares and upon exercise of the
Warrants) under the California Corporate Securities Law of 1968, as amended, and
other applicable Blue Sky laws, which filings and qualifications, if required,
will be accomplished in a timely manner.

      3.16 OFFERING. Subject to the accuracy of the Purchaser's representations
in Section 4 hereof, the offer, sale and issuance of the Warrants and Shares to
be issued in conformity with the terms of this Agreement, and the issuance of
the Common Stock to be issued upon conversion of the Shares and upon exercise of
the Warrants, constitute transactions exempt from the registration requirements
of Section 5 of the Securities Act of 1933, as amended (the "Securities Act").

      3.17 BROKERS OR FINDERS. Except as disclosed in the Disclosure Schedule,
the Company has not engaged any brokers, finders or agents, and the Purchasers
have not incurred, and will not incur, directly or indirectly, as a result of
any action taken by the Company, any liability for brokerage or finders' fees or
agents' commissions or any similar charges in connection with the Agreements.

      3.18 TAX RETURNS AND PAYMENTS. The Company has timely filed all tax
returns (federal, state and local) required to be filed by it. All taxes shown
to be due and payable on such returns, any assessments imposed, and to the
Company's knowledge all other taxes due and payable by the Company on or before
the date hereof have been paid or will be paid prior to the time they become
delinquent. The Company has not been advised (a) that any of its returns,
federal, state or other, have been or are being audited as of the date hereof,
or (b) of any deficiency in assessment or proposed judgment to its federal,
state or other taxes. The Company has no knowledge of any liability of any tax
to be imposed upon its properties or assets as of the date of this Agreement
that is not adequately provided for.

      3.19 EMPLOYEE MATTERS. To the best of the Company's knowledge, there is no
strike, labor dispute or union organization activities pending or threatened
between it and its employees. None of the Company's employees belongs to any
union or collective bargaining unit. To the best of its knowledge, the Company
has complied in all material respects with all applicable state


                                       7
<PAGE>   13

and federal equal opportunity and other laws related to employment. To the best
of the Company's knowledge, no employee of the Company is or will be in
violation of any judgment, decree, or order, or any term of any employment
contract, patent disclosure agreement, or other contract or agreement relating
to the relationship of any such employee with the Company, or any other party
because of the nature of the business conducted or presently proposed to be
conducted by the Company or to the use by the employee of his or her best
efforts with respect to such business. The Company is not a party to or bound by
any currently effective employment contract, deferred compensation agreement,
bonus plan, incentive plan, profit sharing plan, retirement agreement, or other
employee compensation agreement. The Company is not aware that any officer or
key employee, or that any group of key employees, intends to terminate their
employment with the Company, nor does the Company have a present intention to
terminate the employment of any of the foregoing. Subject to general principles
related to wrongful termination of employees, the employment of each officer and
employee of the Company is terminable at the will of the Company.

      3.20 DISCLOSURE. The Company has provided each Purchaser with all the
information reasonably available to it without undue expense that such Purchaser
has requested for deciding whether to purchase the Series D Preferred Stock and
all information that the Company believes is reasonably necessary to enable such
Purchaser to make such decision. To the best of the Company's knowledge after
reasonable investigation, neither this Agreement nor any other agreements,
written statements or certificates made or delivered in connection herewith
contains any untrue statement of a material fact or omits to state a material
fact necessary to make the statements herein or therein not misleading.

      3.21 RELATED-PARTY TRANSACTIONS. No employee, officer, stockholder or
director of the Company or member of his or her immediate family is indebted to
the Company, nor is the Company indebted (or committed to make loans or extend
or guarantee credit) to any of them, other than (i) for payment of salary for
services rendered, (ii) reimbursement for reasonable expenses incurred on behalf
of the Company, and (iii) for other standard employee benefits made generally
available to all employees (including stock option agreements outstanding under
any stock option plan approved by the Board of Directors of the Company). To the
best of the Company's knowledge, none of such persons has any direct or indirect
ownership interest in any firm or corporation with which the Company is
affiliated or with which the Company has a business relationship, or any firm or
corporation that competes with the Company, except that employees, stockholders,
officers, or directors of the Company and members of their immediate families
may own stock in publicly traded companies that may compete with the Company. To
the best of the Company's knowledge, no officer, director, or stockholder or any
member of their immediate families is, directly or indirectly, interested in any
material contract with the Company (other than such contracts as relate to any
such person's ownership of capital stock or other securities of the Company).

      3.22 PERMITS. The Company has all franchises, permits, licenses, and any
similar authority necessary for the conduct of its business as now being
conducted by it, the lack of which could materially and adversely affect the
business, properties, prospects, or financial condition of the Company, and
believes it can obtain, without undue burden or expense, any similar authority
for the conduct of its business as presently planned to be conducted. The


                                       8
<PAGE>   14

Company is not in default in any material respect under any of such franchises,
permits, licenses or other similar authority.

      3.23 PROPRIETARY INFORMATION AND INVENTIONS AGREEMENTS. Each employee and
officer of the Company has executed a Proprietary Information and Inventions
Agreement substantially in the form or forms which have been delivered to
special counsel for the Purchasers.

      3.24 MINUTE BOOKS. The copy of the minute books of the Company provided to
the Purchasers' special counsel contains minutes of all meetings of directors
and stockholders and all actions by written consent without a meeting by the
directors and stockholders since the date of incorporation and accurately
reflects all actions by the directors (and any committee of directors) and
stockholders with respect to all transactions referred to in such minutes in all
material respects.

      3.25 MATERIAL AGREEMENTS, WILMINGTON AND HILLMAN. The Company has provided
true and accurate copies of all Material Agreements not currently set forth or
incorporated by reference in the Reports and all agreements between the Company
and Wilmington Securities, Inc. or any affiliate of the Hillman Company.

      3.26 STOCKHOLDER APPROVAL. The Company has obtained stockholder approval
of Proposal Two (as described in the Company's 1999 Annual Meeting Proxy
Statement) at the Annual Meeting of Stockholders held on June 2, 1999.

                                    SECTION 4

               REPRESENTATIONS AND WARRANTIES OF THE PURCHASERS

      Each Purchaser severally represents and warrants to the Company with
respect to the purchase of Shares by and the issuance of the Warrants to such
Purchaser, as follows:

      4.1 EXPERIENCE; SPECULATIVE NATURE OF INVESTMENT. The Purchaser (or its
principals or advisors) has substantial experience in evaluating and investing
in private placement transactions of securities in companies similar to the
Company so that it is capable of evaluating the merits and risks of its
investment in the Company and has the capacity to protect its own interests. The
Purchaser acknowledges that its investment in the Company is highly speculative
and entails a substantial degree of risk and the Purchaser is in a position to
lose the entire amount of such investment.

      4.2 INVESTMENT. The Purchaser is acquiring the Warrants, Shares and the
underlying Common Stock for investment for its own account, not as a nominee or
agent, and not with the view to, or for resale in connection with, any
distribution thereof. The Purchaser understands that the Warrants and Series D
Preferred to be purchased hereby and the underlying Common Stock have not been,
and will not be, registered under the Securities Act by reason of a specific
exemption from the registration provisions of the Securities Act, the
availability of which depends upon, among other things, the bona fide nature of
the investment intent and the accuracy of the Purchaser's representations as
expressed herein. The Purchaser is an "accredited investor"


                                       9
<PAGE>   15

within the meaning of Regulation D, Rule 501(a), promulgated by the Securities
and Exchange Commission.

      4.3 RULE 144. The Purchaser acknowledges that the Warrants, Shares and the
underlying Common Stock must be held indefinitely unless subsequently registered
under the Securities Act or unless an exemption from such registration is
available. The Purchaser is aware of the provisions of Rule 144 promulgated
under the Securities Act which permit limited resale of shares purchased in a
private placement subject to the satisfaction of certain conditions, including,
among other things, the existence of a public market for the shares, the
availability of certain current public information about the Company, the resale
occurring not less than one year after a party has purchased and paid for the
security to be sold, the sale being effected through a "broker's transaction" or
in transactions directly with a "market maker" and the number of shares being
sold during any three-month period not exceeding specified limitations. The
Purchaser understands that the certificates evidencing the Warrants and Shares
will be imprinted with a legend that prohibits the transfer of such securities
unless they are registered or such registration is not required.

      4.4 NO PUBLIC MARKET. The Purchaser understands that no public market now
exists for the Warrants and the Series D Preferred to be issued by the Company
and that the Company has made no assurances that a public market will ever exist
for the Warrants and the Series D Preferred.

      4.5 ACCESS TO DATA. The Purchaser has had an opportunity to discuss the
Company's business, management and financial affairs with its management. The
Purchaser has also had an opportunity to ask questions of officers of the
Company, which questions were answered to its satisfaction. The Purchaser
understands that such discussions, as well as any written information issued by
the Company, were intended to describe certain aspects of the Company's business
and prospects but were not a thorough or exhaustive description.

      4.6 AUTHORIZATION. The Agreements, when executed and delivered by the
Purchaser, will constitute valid and legally binding obligations of the
Purchaser, enforceable in accordance with their terms, except as the
indemnification provisions of Section 1.10 of the Rights Agreement may be
limited by principles of public policy, and subject to laws of general
application relating to bankruptcy, insolvency and the relief of debtors and
rules of law governing specific performance, injunctive relief or other
equitable remedies.

      4.7 BROKERS OR FINDERS. The Purchaser has not engaged any brokers, finders
or agents, and the Company has not, and will not, incur, directly or indirectly,
as a result of any action taken by Purchaser, any liability for brokerage or
finders' fees or agents' commissions or any similar charges in connection with
the Agreements. In the event that the preceding sentence is in any way
inaccurate, such Purchaser agrees to indemnify and hold harmless the Company and
each other Purchaser from any liability for any commission or compensation in
the nature of a finder's fee (and the costs and expenses of defending against
such liability) for which the Company, any other Purchaser, or any of their
officers, directors, employees or representatives, is responsible.


                                       10
<PAGE>   16

      4.8 TAX LIABILITY. The Purchaser has reviewed with its own tax advisors
the federal, state, local and foreign tax consequences of this investment and
the transactions contemplated by the Agreements. With respect to such matters,
the Purchaser relies solely on such advisors and not on any statements or
representations of the Company or any of its agents other than the
representations and warranties set forth herein. The Purchaser understands that
it (and not the Company) shall be responsible for its own tax liability that may
arise as a result of this investment or the transactions contemplated by the
Agreements.

                                    SECTION 5

                CONDITIONS TO PURCHASER'S OBLIGATIONS TO CLOSE

      The Purchasers' obligations to purchase the Shares and Warrants at the
Closing are, unless waived by the Purchasers, subject to the fulfillment of the
following conditions:

      5.1 REPRESENTATIONS AND WARRANTIES CORRECT. The representations and
warranties made by the Company in Section 3 hereof shall be true and correct in
all material respects as of the Closing Date.

      5.2 COVENANTS. All covenants, agreements and conditions contained in the
Agreements to be performed by the Company on or prior to the Closing shall have
been performed or complied with in all material respects.

      5.3 BLUE SKY. The Company shall have obtained all necessary Blue Sky law
permits and qualifications, or have the availability of exemptions therefrom,
required by any state for the issuance of the Warrants, offer and sale of the
Shares and the Common Stock issuable upon conversion of the Shares and upon
exercise of the Warrants.

      5.4 CERTIFICATE OF DESIGNATION. The Certificate shall have been duly
authorized, executed and filed with the Secretary of State of the State of
Delaware.

      5.5 RIGHTS AGREEMENT. The Company, the Purchasers and the holders of at
least a majority of the "Registrable Securities" (as defined in the Second
Amended and Restated Stockholder Rights Agreement, dated as of February 26,
1999, and the Amended and Restated Registration Rights Agreement, dated as of
February 26, 1999, the "Prior Rights Agreements") shall have executed and
delivered the Rights Agreement.

      5.6 COMPLIANCE CERTIFICATE. The Chief Executive Officer of the Company
shall have executed a Compliance Certificate, in the form of Exhibit D hereto,
certifying the satisfaction of the conditions to closing listed in Sections 5.1,
5.2, 5.3, 5.5, 5.7, and 5.11 hereof, and in the Second Closing, all of the
foregoing conditions, plus 5.9.

      5.7 COMPLIANCE WITH LAW. No provision of any applicable law or regulation
and no judgment, injunction, order or decree shall prohibit the sale and
issuance of the Warrants, Shares and the Common Stock issuable upon conversion
of the Shares and upon exercise of the Warrants and the consummation of the
transactions contemplated hereby.


                                       11
<PAGE>   17

      5.8 OPINION OF COMPANY'S COUNSEL. The Purchasers shall have received from
Wilson Sonsini Goodrich & Rosati, counsel to the Company, an opinion addressed
to the Purchaser, dated the Closing Date and in substantially the form attached
as Exhibit F.

      5.9 STOCKHOLDER APPROVAL. The obligations of the Purchasers to purchase
Shares and Warrants in the Second Closing shall be conditioned upon receipt by
the Company of Stockholder Approval.

      5.10 ACKNOWLEDGMENT OF TOTAL ANTI-DILUTION RIGHTS BY EXISTING HOLDERS OF
PREFERRED STOCK. The obligation of the Purchasers to purchase Shares and
Warrants in either Closing shall be conditioned upon receipt by the Company of a
certificate signed by a majority of the holders of each of the Company's
outstanding Series A-2, Series A-3, Series B-1 and Series C Preferred Stock and
related warrants acknowledging the total anti-dilution effect of the issuance of
the Shares and Warrants and waiving, pursuant to Article IV, Section
6(d)(2)(i)(G) of the Certificate of Incorporation, any claims to additional
anti-dilution adjustments by virtue of the issuance of the Shares and Warrants
and any other securities issuances by the Company prior to the date of the
Agreement.

      5.11 SILICON VALLEY BANK. The obligations of the Purchasers to purchase
Shares and Warrants shall be conditioned upon replacement of the Company's
existing line of credit with Silicon Valley Bank with a line of credit facility
with PNC Bank, N.A.

                                    SECTION 6

                 CONDITIONS TO COMPANY'S OBLIGATIONS TO CLOSE

      The Company's obligation to sell and issue the Shares at the Closing is,
unless waived by the Company, subject to the fulfillment of the following
conditions:

      6.1 REPRESENTATIONS. The representations and warranties made by the
Purchaser in Section 4 hereof shall be true and correct as of the Closing Date.

      6.2 COVENANTS. All covenants, agreements and conditions contained in the
Agreements to be performed by Purchaser on or prior to the Closing Date shall
have been performed or complied with in all material respects.

      6.3 BLUE SKY. The Company shall have obtained all necessary Blue Sky law
permits and qualifications, or have the availability of exemptions therefrom,
required by any state for the issuance of the Warrants, offer and sale of the
Shares and the Common Stock issuable upon conversion of the Shares and upon
exercise of the Warrants.

      6.4 CERTIFICATE OF DESIGNATION. The Certificate shall have been duly
authorized, executed and filed with the Secretary of State of the State of
Delaware.

      6.5 RIGHTS AGREEMENT. The Company, the Purchasers and the holders of at
least a majority of the "Registrable Securities" (as defined in the Prior Rights
Agreements) shall have executed and delivered the Rights Agreement.


                                       12
<PAGE>   18

      6.6 COMPLIANCE WITH LAW. No provision of any applicable law or regulation
and no judgment, injunction, order or decree shall prohibit the sale and
issuance of the Warrants, Shares and the Common Stock issuable upon conversion
of the Shares and upon exercise of the Warrants and the consummation of the
transactions contemplated hereby.

      6.7 STOCKHOLDER APPROVAL. The Company's obligation to sell and issue the
Shares and Warrants at the Second Closing shall be conditioned upon receipt of
Stockholder Approval.

                                    SECTION 7

                                    COVENANTS

      7.1 BOARD OF DIRECTORS OBSERVER RIGHTS. The Company agrees that, during
such time as there are no persons serving on the Board that are representatives
of Tredegar, or entities affiliated with Tredegar, and so long as Tredegar,
together with its affiliates, hold at least 20,000 shares of Series D Preferred,
Tredegar shall be entitled to designate one individual (the "Designee") (which
Designee shall be reasonably acceptable to the Company) who shall be entitled to
attend all meetings of the Board as an observer on behalf of Tredegar. The
Designee shall have no right to vote as a director. The Company shall provide
the Designee with copies of notices of all Board meetings, and all minutes,
consents and all other materials that the Company provides to its directors in
connection with Board meetings. Notwithstanding the foregoing, neither Tredegar,
nor any of its members, directors, officers, employees, agents or
representatives (including without limitation the Designee) (collectively, the
"Representatives") shall disclose any confidential or non-public information
received by the Designee in its capacity as an observer. The use of any such
confidential or non-public information by Tredegar or any Representative shall
be solely for purposes of Tredegar's investment in the Company. Tredegar shall,
at the Company's request, execute a reasonable nondisclosure agreement provided
by the Company. The Company shall have the right to withhold any information
from the Designee and to exclude the Designee from any meeting or portion
thereof if the Company believes upon advice of counsel that such exclusion is
reasonably necessary to preserve the attorney-client privilege, to protect
highly confidential proprietary information or for other similar reasons.
Tredegar's rights under this Section 7.1 are not assignable or transferable
except to "affiliated persons or entities," which shall include, partners,
members, former members of a limited partnership or limited liability company,
or an affiliated entity managed by the same manager or managing partner or
management company, or managed or owned by an entity controlling, controlled by,
or under common control with, such manager or managing partner or management
company.

      7.2 STOCKHOLDER APPROVAL. The Company shall use its best efforts to obtain
Stockholder Approval at a special Meeting of Stockholders to be held as soon as
practicable following the Closing.

      7.3 TERMINATION OF CRYO-ASIA PTE LTD. The Company shall continue to use
commercially reasonably efforts to terminate and dissolve Cryo-Asia Pte Ltd.
<PAGE>   19
                                  SECTION 8

                                  MISCELLANEOUS

      8.1 GOVERNING LAW. This Agreement shall be governed in all respects by the
internal laws of the State of Delaware.

      8.2 SURVIVAL. The representations, warranties, covenants and agreements
made herein shall survive any investigation made by the Purchaser and the
closing of the transactions contemplated hereby.

      8.3 SUCCESSORS AND ASSIGNS. Except as otherwise provided herein, the
provisions hereof shall inure to the benefit of, and be binding upon, the
successors, assigns, heirs, executors and administrators of the parties hereto;
provided, however, that the rights of the Purchasers to purchase the Shares and
obtain the Warrants on such purchase shall not be assignable without the prior
written consent of the Company.

      8.4 ENTIRE AGREEMENT; AMENDMENT. This Agreement and the other documents
delivered pursuant hereto at each Closing constitute the full and entire
understanding and agreement between the parties with regard to the subjects
hereof and thereof, and no party shall be liable or bound to any other party in
any manner by any warranties, representations or covenants except as
specifically set forth herein or therein. Except as expressly provided herein,
neither this Agreement nor any term hereof may be amended, waived, discharged or
terminated other than by a written instrument signed by the Company and by
Purchasers holding at least sixty percent (60%) of the Shares.

      8.5 NOTICES, ETC. All notices and other communications required or
permitted hereunder shall be in writing and shall be mailed by registered or
certified mail, postage prepaid, or otherwise delivered by hand or by messenger,
addressed (a) if to a Purchaser, at such Purchaser's address, on Exhibit A of
the Agreement, or at such other address as the Purchaser shall have furnished to
the Company in writing, or (b) if to any other holder of any Shares, at such
address as such holder shall have furnished the Company in writing, or, until
any such holder so furnishes an address to the Company, then to and at the
address of the last holder of such Shares who has so furnished an address to the
Company, or (c) if to the Company, one copy should be sent to its address set
forth on the cover page of this Agreement and addressed to the attention of the
Chief Executive Officer, or at such other address as the Company shall have
furnished to the Purchaser.

      Each such notice or other communication shall for all purposes of this
Agreement be treated as effective or having been given when delivered if
delivered personally, or, if sent by mail, at the earlier of its receipt or 72
hours after the same has been deposited in a regularly maintained receptacle for
the deposit of the United States mail, addressed and mailed as aforesaid.

      8.6 DELAYS OR OMISSIONS. Except as expressly provided herein, no delay or
omission to exercise any right, power or remedy accruing to any party to this
Agreement upon any breach or default of any other party under this Agreement,
shall impair any such right, power or remedy



                                       14
<PAGE>   20

of such non-defaulting party nor shall it be construed to be a waiver of any
such breach or default, or an acquiescence therein, or of or in any similar
breach or default thereafter occurring; nor shall any waiver of any single
breach or default be deemed a waiver of any other breach or default theretofore
or thereafter occurring. Any waiver, permit, consent or approval of any kind or
character on the part of any party of any breach or default under this
Agreement, or any waiver on the part of any party of any provisions or
conditions of this agreement, must be in writing and shall be effective only to
the extent specifically set forth in such writing. All remedies, either under
this Agreement or by law or otherwise afforded to any party to this Agreement,
shall be cumulative and not alternative.

      8.7 CALIFORNIA CORPORATE SECURITIES LAW. THE SALE OF THE SECURITIES WHICH
ARE THE SUBJECT OF THIS AGREEMENT HAS NOT BEEN QUALIFIED WITH THE COMMISSIONER
OF CORPORATIONS OF THE STATE OF CALIFORNIA AND THE ISSUANCE OF SUCH SECURITIES
OR THE PAYMENT OR RECEIPT OF ANY PART OF THE CONSIDERATION THEREFOR PRIOR TO
SUCH QUALIFICATION IS UNLAWFUL UNLESS THE SALE OF SECURITIES IS EXEMPT FROM THE
QUALIFICATION BY SECTION 25100, 25102, OR 25105 OF THE CALIFORNIA CORPORATIONS
CODE. THE RIGHTS OF ALL PARTIES TO THIS AGREEMENT ARE EXPRESSLY CONDITIONED UPON
SUCH QUALIFICATION BEING OBTAINED, UNLESS THE SALE IS SO EXEMPT.

      8.8 COUNTERPARTS. This Agreement may be executed in any number of
counterparts, each of which shall be enforceable against the parties actually
executing such counterparts, and all of which together shall constitute one
instrument.

      8.9 SEVERABILITY. In the event that any provision of this Agreement
becomes or is declared by a court of competent jurisdiction to be illegal,
unenforceable or void, this Agreement shall continue in full force and effect
without said provision; provided that no such severability shall be effective if
it materially changes the economic benefit of this Agreement to any party.

      8.10 TITLES AND SUBTITLES. The titles and subtitles used in this Agreement
are used for convenience only and are not considered in construing or
interpreting this Agreement.

      8.11 EXPENSES. The Company and the Purchaser shall each bear their own
fees, costs and expenses incurred on their behalf with respect to the agreement
and the transactions contemplated hereby and any amendments or waiver thereto.

      8.12 EXCULPATION AMONG PURCHASERS. Each Purchaser acknowledges that such
Purchaser is not relying upon any person, firm, or corporation, other than the
Company and its officers and directors, in making its investment or decision to
invest in the Company. Each Purchaser agrees that no Purchaser nor the
respective controlling persons, officers, directors, partners, agents, or
employees of any Purchaser shall be liable for any action heretofore or
hereafter taken or omitted to be taken by any of them in connection with the
Series D Preferred Stock (and Common Stock issued upon conversion thereof).

      8.13 FINDER'S FEES. Each party represents that it neither is nor will be
obligated for any finder's fee or commission in connection with this
transaction. Each Purchaser agrees to indemnify and to hold harmless the Company
from any liability for any commission or



                                       15
<PAGE>   21

compensation in the nature of a finder's fee (and the cost and expenses of
defending against such liability or asserted liability) for which the Purchaser
or any of its officers, partners, employees, or representatives is responsible.
The Company agrees to indemnify and hold harmless each Purchaser from any
liability for any commission or compensation in the nature of a finder's fee
(and the costs and expenses of defending against such liability or asserted
liability) for which the Company or any of its officers, employees, or
representatives is responsible.



                            [Signature Page Follows]



                                       16
<PAGE>   22
     The foregoing Agreement is hereby executed as of the date first above
written.

                                          "COMPANY"

                                          SUPERCONDUCTOR TECHNOLOGIES INC.

                                          a Delaware corporation
                                          By: /s/ PETER THOMAS
                                              ----------------------------------
                                          Name:  Peter Thomas
                                          Title:  Chief Executive Officer

                                          "PURCHASERS"

                                          WILMINGTON SECURITIES, INC.

                                          By: /s/ ANDREW H. MCQUARRIE
                                              ----------------------------------
                                          Name:  Andrew H. McQuarrie
                                          Title:  Vice President

                                          TGI FUND III, LLC

                                          By: Tredegar Investments,  Inc., its
                                              Manager

                                          By: /s/ ANTHONY RUSSO
                                              ----------------------------------
                                          Name:   Anthony Russo
                                          Title:   Vice President

Second Closing Only                       "PURCHASERS" (CONTINUED)

                                          MADRONA INVESTMENT GROUP, LLC

                                          By: /s/ TOM ALBERG
                                              ----------------------------------
                                          Name:   Tom Alberg
                                          Title:  Principal



                                       17
<PAGE>   23
                                    EXHIBIT A

                             SCHEDULE OF PURCHASERS

<TABLE>
<CAPTION>
                                 NUMBER OF      NUMBER OF
                                  SERIES D      WARRANTS     PURCHASE PRICE
PURCHASER                         SHARES
<S>                              <C>            <C>          <C>
INITIAL CLOSING

Wilmington Securities, Inc.        30,918        61,836       $1,545,900
824 Market Street, Suite 900
Wilmington, DE 19801

TGI Fund III, LLC                  46,378        92,756       $2,318,900
701 Fifth Avenue, Suite 6501
Seattle, WA 98104

Initial Closing Totals             77,296       154,592       $3,864,800

SECOND CLOSING

Wilmington Securities, Inc.         9,082        18,164         $454,100

TGI Fund III, LLC                  13,622        27,244         $681,100

Madrona Investment Group, LLC       6,000        12,000         $300,000
100 Second Ave., Suite 3700
Seattle, WA 98104

Second Closing Totals              28,704        57,408       $1,435,200

CUMULATIVE TOTALS                 106,000       212,000       $5,300,000
</TABLE>



                                       18
<PAGE>   24
EXHIBIT 3

                        SUPERCONDUCTOR TECHNOLOGIES INC.

                           THIRD AMENDED AND RESTATED

                          STOCKHOLDER RIGHTS AGREEMENT

      THIS THIRD AMENDED AND RESTATED STOCKHOLDER RIGHTS AGREEMENT (the
"Agreement") is made as of June 23, 1999 between SUPERCONDUCTOR TECHNOLOGIES
INC., a Delaware corporation (the "Company"), the persons on Exhibit A to this
Agreement (the "Securityholders").

                                    RECITALS

      A. Wilmington Securities, Inc. ("Wilmington") and certain trusts for the
benefit of members of the Hillman family (as identified on Exhibit A) hold
shares of the Company's Series A-2, Series A-3, Series B-1 and Series C
Preferred Stock (the "Outstanding Preferred") and warrants for the purchase of
Company Common Stock obtained in connection with the purchase of the Outstanding
Preferred and possess registration rights and rights of first refusal pursuant
to the Second Amended and Restated Stockholder Rights Agreement dated as of
February 26, 1999 between the Company and Wilmington (the "Rights Agreement") or
registration rights pursuant to the Amended and Restated Registration Rights
Agreement dated as of February 26, 1999 (the "Registration Rights Agreement" and
together with the Rights Agreement, the "Prior Rights Agreements").

      B. Wilmington as the holder of a majority of the Preferred Stock (as such
term is defined in the Rights Agreement) together with the Company may amend the
Rights Agreement pursuant to Section 3.4 of the Rights Agreement, and Wilmington
and the Henry L. Hillman Trust under Agreement of Trust dated November 18, 1985
(the "Trust") as the holders of a majority of the Registrable Securities (as
defined in the Registration Rights Agreement) together with the Company may
amend the Registration Rights Agreement pursuant to Section 10 of the
Registration Rights Agreement.

      C. The Company proposes to sell shares of Series D Preferred Stock
pursuant to a Series D Stock Purchase Agreement dated as of the date hereof (the
"Series D Agreement") between the Company and certain of the Securityholders
(the "Purchasers"), and the completion of such sale is conditioned upon, among
other things, the grant by the Company to the Securityholders of certain
registration rights and rights of first refusal.

      D. The Company, Wilmington, the Trust and the other holders of Registrable
Securities (as defined in the Registration Rights Agreement) desire to amend and
restate the Prior Rights Agreements into this Agreement and desire to provide
the Purchasers with the rights set forth in this Agreement.

      E. The Company has requested, and the parties to the Prior Rights
Agreements have agreed, that upon execution of the Agreement, the Prior Rights
Agreements shall be of no further force and effect, that Wilmington will waive
its right of first refusal set forth in Section 2 of the




                                       1.
<PAGE>   25
Rights Agreement with respect to the purchase of the Series D Preferred Stock
and related warrants (and the shares of Common Stock underlying the Series D
Preferred Stock and related warrants) being issued pursuant to the Series D
Agreement.

      F. The Company has requested and the parties to the Registration Rights
Agreement have agreed to hereby expressly waive any and all rights to any
penalty payments from the Company under Section 2(b) of the Registration Rights
Agreement.

      NOW, THEREFORE, in consideration of the promises of the parties set forth
herein, the parties agree as follows:

                                    SECTION 1

                 RESTRICTIONS ON TRANSFERABILITY OF SECURITIES;
               COMPLIANCE WITH SECURITIES ACT; REGISTRATION RIGHTS

      1.1 CERTAIN DEFINITIONS. As used in this Agreement, the following terms
shall have the following respective meanings:

      "AFFILIATED PERSONS OR ENTITIES" shall mean partners, members, former
members of a limited partnership or limited liability company, or an affiliated
entity managed by the same manager or managing partner or management company, or
managed or owned by an entity controlling, controlled by, or under common
control with, such manager or managing partner or management company.

      "CLOSING DATE" shall mean, (i) as to the holders of Series A-2 and A-3
Preferred Stock, February 26, 1999, (ii) as to the holders of Series C Preferred
Stock, March 5, 1999, and (iii) as to the holders of Series D Preferred Stock,
June 3, 1999.

      "COMMISSION" shall mean the Securities and Exchange Commission or any
other federal agency at the time administering the Securities Act.

      "CONVERSION STOCK" means the Common Stock issued or issuable pursuant to
conversion of the Preferred Stock and exercise of the Warrants.

      "HOLDER" shall mean (i) any Securityholder holding Registrable Securities
and (ii) any person holding Registrable Securities to whom the rights under this
Section 1 have been transferred in accordance with Section 1.13 hereof.

      "INITIATING HOLDERS" shall mean Holders in the aggregate of greater than
50% of the Registrable Securities issued as a result of the Series D Agreement.

      "PREFERRED STOCK" shall, collectively, mean the Series A-2, Series A-3 and
Series B-1 Preferred Stock issued pursuant to the Exchange Agreement dated as of
February 26, 1999 (the "Exchange Agreement"), the Series C Preferred Stock
issued pursuant to the Series C Stock Purchase Agreement dated as of March 5,
1999 (the "Series C Agreement"), and the Series D Preferred Stock issued
pursuant to the Series D Agreement.



                                       2.
<PAGE>   26
      "REGISTRABLE SECURITIES" shall mean (i) the Conversion Stock, (ii) any
Common Stock acquired pursuant to the exercise of the right of first refusal in
Section 2 of this Agreement (including any shares issued by virtue of such
shares upon any stock split, stock dividend, recapitalization or similar event),
and (iii) any Common Stock of the Company issued or issuable in respect of the
Conversion Stock upon any stock split, stock dividend, recapitalization or
similar event, or any Common Stock otherwise issued or issuable in respect of
the Conversion Stock; provided, however, that shares of Common Stock or other
securities shall only be treated as Registrable Securities if and so long as
they have not been (A) sold to or through a broker or dealer or underwriter in a
public distribution or a public securities transaction, or (B) sold or are, in
the opinion of counsel for the Company, available for sale in a single
transaction exempt from the registration and prospectus delivery requirements of
the Securities Act so that all transfer restrictions and restrictive legends
with respect thereto are removed upon the consummation of such sale.

      The terms "REGISTER," "REGISTERED" and "REGISTRATION" refer to a
registration effected by preparing and filing a registration statement in
compliance with the Securities Act, and the declaration or ordering of the
effectiveness of such registration statement.

      "REGISTRATION EXPENSES" shall mean all expenses, except as otherwise
stated below, incurred by the Company in complying with Sections 1.5, 1.6 and
1.7 hereof, including, without limitation, all registration, qualification and
filing fees, printing expenses, escrow fees, fees and disbursements of counsel
for the Company, blue sky fees and expenses, the expense of any special audits
incident to or required by any such registration (but excluding the compensation
of regular employees of the Company which shall be paid in any event by the
Company) and the reasonable fees and disbursements of one counsel for all
Holders.

      "RESTRICTED SECURITIES" shall mean the securities of the Company required
to bear the legend set forth in Section 1.3 hereof.

      "SECURITIES ACT" shall mean the Securities Act of 1933, as amended, or any
similar federal statute and the rules and regulations of the Commission
thereunder, all as the same shall be in effect at the time.

      "SELLING EXPENSES" shall mean all underwriting discounts, selling
commissions and stock transfer taxes applicable to the securities registered by
the Holders and, except as set forth above, all reasonable fees and
disbursements of counsel for any Holder.

      "SERIES D HOLDERS" shall mean holders of Series D Registrable Securities
attributable to the Series D Agreement.

      "SERIES D REGISTRABLE SECURITIES" shall mean Registrable Securities
attributable to the Series D Agreement.

      "WARRANTS" shall mean, collectively, the warrants issued pursuant to the
Exchange Agreement, the Series C Agreement and the Series D Agreement.

      1.2 RESTRICTIONS ON TRANSFERABILITY. The Preferred Stock, the Conversion
Stock and the Warrants shall not be sold, assigned, transferred or pledged
except upon the conditions



                                       3.
<PAGE>   27
specified in this Section 1, which conditions are intended to ensure compliance
with the provisions of the Securities Act. The Holders will cause any proposed
purchaser, assignee, transferee, or pledgee of any such securities held by the
Holders to agree to take and hold such securities subject to the provisions and
upon the conditions specified in this Section 1.

      1.3 RESTRICTIVE LEGEND. Each certificate representing (i) the Preferred
Stock, (ii) the Warrants, (iii) the Conversion Stock and (iv) any other
securities issued in respect of the Preferred Stock or the Conversion Stock upon
any stock split, stock dividend, recapitalization, merger, consolidation or
similar event, shall (unless otherwise permitted by the provisions of Section
1.4 below) be stamped or otherwise imprinted with a legend substantially in the
following form (in addition to any legend required under applicable state
securities laws):

      THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE BEEN ACQUIRED FOR
INVESTMENT AND HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933. SUCH
SHARES MAY NOT BE SOLD OR TRANSFERRED IN THE ABSENCE OF SUCH REGISTRATION UNLESS
THE COMPANY RECEIVES AN OPINION OF COUNSEL REASONABLY ACCEPTABLE TO IT STATING
THAT SUCH SALE OR TRANSFER IS EXEMPT FROM THE REGISTRATION AND PROSPECTUS
DELIVERY REQUIREMENTS OF SAID ACT.

      Each Holder consents to the Company making a notation on its records and
giving instructions to any transfer agent of the Preferred Stock, the Warrants
or the Conversion Stock in order to implement the restrictions on transfer
established in this Section 1.

      1.4 RESTRICTIONS ON TRANSFER; NOTICE OF PROPOSED TRANSFERS. The holder of
each certificate representing Restricted Securities by acceptance thereof agrees
to comply in all respects with the provisions of this Section 1.4. Prior to any
proposed sale, assignment, transfer or pledge of any Restricted Securities
(other than (i) a transfer not involving a change in beneficial ownership, (ii)
in transactions involving the distribution without consideration of Restricted
Securities by the Holder to any of its partners, or retired partners, or to the
estate of any of its partners or retired partners, or to the estate of any of
its members or former members, (iii) any transfer by any Holder to (A) any
Affiliated Persons or Entities, (B) any individual or entity controlled by,
controlling, or under common control with, such Holder or (C) any individual or
entity with respect to which such Holder (or any person controlled by,
controlling, or under common control with, such Holder) has the power to direct
investment decisions, or (iv) in transactions in compliance with Rule 144), and
unless there is in effect a registration statement under the Securities Act
covering the proposed transfer, the holder thereof shall give written notice to
the Company of such holder's intention to effect such transfer, sale, assignment
or pledge. Each such notice shall describe the manner and circumstances of the
proposed transfer, sale, assignment or pledge in sufficient detail, and shall be
accompanied, at such holder's expense by either (i) an unqualified written
opinion of legal counsel who shall be, and whose legal opinion shall be,
reasonably satisfactory to the Company addressed to the Company, to the effect
that the proposed transfer of the Restricted Securities may be effected without
registration under the Securities Act, or (ii) a "no action" letter from the
Commission to the effect that the transfer of such securities without
registration will not result in a recommendation by the staff of the Commission
that action be taken with respect thereto, whereupon the holder of such
Restricted Securities shall be entitled to transfer such Restricted Securities
in accordance with



                                       4.
<PAGE>   28
the terms of the notice delivered by the holder to the Company. Each certificate
evidencing the Restricted Securities transferred as above provided shall bear,
except if such transfer is made pursuant to Rule 144, the appropriate
restrictive legend set forth in Section 1.3 above, except that such certificate
shall not bear such restrictive legend if in the opinion of counsel for such
holder and the Company such legend is not required in order to establish
compliance with any provision of the Securities Act.

      1.5   REQUESTED REGISTRATION.

            (a) REQUEST FOR REGISTRATION. In case the Company shall receive from
Initiating Holders a written request that the Company effect any registration,
qualification or compliance with respect to (1) at least fifty percent (50%) of
the issued and outstanding Registrable Securities or (2) not less than that
number of shares of Registrable Securities which would result in an anticipated
aggregate offering price, net of underwriting discounts and commissions, greater
than five million dollars ($5,000,000), the Company will:

                  (i) promptly give written notice of the proposed registration,
qualification or compliance to all other Holders; and

                  (ii) as soon as practicable, use its best efforts to effect
such registration, qualification or compliance (including, without limitation,
appropriate qualification under applicable blue sky or other state securities
laws and appropriate compliance with applicable regulations issued under the
Securities Act and any other governmental requirements or regulations) as may be
so requested and as would permit or facilitate the sale and distribution of all
or such portion of such Registrable Securities as are specified in such request,
together with all or such portion of the Registrable Securities of any Holder or
Holders joining in such request as are specified in a written request received
by the Company within twenty (20) days after receipt of such written notice from
the Company;

      Provided, however, that the Company shall not be obligated to take any
action to effect any such registration, qualification or compliance pursuant to
this Section 2.5:

                        (A)   In any  particular  jurisdiction  in  which  the
Company would be required to execute a general consent to service of process in
effecting such registration, qualification or compliance unless the Company is
already subject to service in such jurisdiction and except as may be required by
the Securities Act;

                        (B)   During the period  starting  with the date sixty
(60) days prior to the Company's estimated date of filing of, and ending on the
date six (6) months immediately following the effective date of, any
registration statement pertaining to securities of the Company (other than a
registration of securities in a Rule 145 transaction or with respect to an
employee benefit plan), provided that the Company is actively employing in good
faith all reasonable efforts to cause such registration statement to become
effective;



                                       5.
<PAGE>   29
                        (C)   After  the  Company  has  effected  one (1) such
registration  pursuant to this subparagraph  1.5(a), and such registration has
been declared or ordered effective;

                        (D)   If the Company  shall  furnish to such Holders a
certificate signed by the Chief Executive Officer of the Company stating that in
the good faith judgment of the Board of Directors it would be seriously
detrimental to the Company or its stockholders for a registration statement to
be filed in the near future, then the Company's obligation to use its best
efforts to register, qualify or comply under this Section 1.5 shall be deferred
for a period not to exceed one hundred eighty (180) days from the date of
receipt of written request from the Initiating Holders; provided that the
Company may not exercise this deferral right more than once per twelve (12)
month period.

      Subject to the foregoing clauses (A) through (D), the Company shall file a
registration statement covering the Registrable Securities so requested to be
registered as soon as practicable, after receipt of the request or requests of
the Initiating Holders.

            (b) UNDERWRITING. In the event that a registration pursuant to
Section 1.5 is for a registered public offering involving an underwriting, the
Company shall so advise the Holders as part of the notice given pursuant to
Section 1.5(a)(i). In such event, the right of any Holder to registration
pursuant to Section 1.5 shall be conditioned upon such Holder's participation in
the underwriting arrangements required by this Section 1.5, and the inclusion of
such Holder's Registrable Securities in the underwriting to the extent requested
shall be limited to the extent provided herein.

      The Company shall (together with all Holders proposing to distribute their
securities through such underwriting) enter into an underwriting agreement in
customary form with the managing underwriter selected for such underwriting by a
majority in interest of the Initiating Holders, but subject to the Company's
reasonable approval. Notwithstanding any other provision of this Section 1.5, if
the managing underwriter advises the Initiating Holders in writing that
marketing factors require a limitation of the number of shares to be
underwritten, then the Company shall so advise all holders of Registrable
Securities and the number of shares of Registrable Securities that may be
included in the registration and underwriting shall be allocated first to the
Series D Holders to the extent of the Series D Registrable Securities held by
such Series D Holders, and then among all other Holders in proportion, as nearly
as practicable, to the respective amounts of Registrable Securities held by such
Holders at the time of filing the registration statement. If the number of
Registrable Securities to be underwritten shall be less than the number of
Series D Registrable Securities, then the then the number of Registrable
Securities that may be included in the registration and underwriting shall be
allocated among the Series D Holders in proportion, as nearly as practicable, to
the respective amounts of Series D Registrable Securities held by such Series D
Holders at the time of filing the registration statement. For purposes of such
allocations, the amount of Registrable Securities allocated to a Holder and its
Affiliated Persons or Entities shall be determined by aggregating all
Registrable Securities held by such Holder and its Affiliated Persons or
Entities. No Registrable Securities excluded from the underwriting by reason of
the underwriter's marketing limitation shall be included in such registration.
To facilitate the allocation of shares in accordance with the above provisions,
the Company or the underwriters may round the number of shares allocated to any



                                       6.
<PAGE>   30
Holder to the nearest 100 shares, as adjusted for any recapitalization, stock
combinations, stock dividends, stock splits and the like.

      If any Holder of Registrable Securities disapproves of the terms of the
underwriting, such person may elect to withdraw therefrom by written notice to
the Company, the managing underwriter and the Initiating Holders. The
Registrable Securities and/or other securities so withdrawn shall also be
withdrawn from registration, and such Registrable Securities shall not be
transferred in a public distribution prior to one hundred eighty (180) days
after the effective date of such registration, or such other shorter period of
time as the underwriters may require.

      1.6   COMPANY REGISTRATION.

            (a) NOTICE OF REGISTRATION. If at any time or from time to time the
Company shall determine to register any of its securities, either for its own
account or the account of a security holder or holders, other than (i) a
registration relating solely to employee benefit plans, or (ii) a registration
relating solely to a Commission Rule 145 transaction, the Company will:

                  (i)   promptly give to each Holder written  notice  thereof;
and

                  (ii) include in such registration (and any related
qualification under blue sky laws or other compliance), and in any underwriting
involved therein, all the Registrable Securities specified in a written request
or requests, made within twenty (20) days after receipt of such written notice
from the Company, by any Holder.

            (b) Underwriting. If the registration of which the Company gives
notice is for a registered public offering involving an underwriting, the
Company shall so advise the Holders as a part of the written notice given
pursuant to Section 1.6(a)(i). In such event the right of any Holder to
registration pursuant to Section 1.6 shall be conditioned upon such Holder's
participation in such underwriting and the inclusion of Registrable Securities
in the underwriting to the extent provided herein. All Holders proposing to
distribute their securities through such underwriting shall (together with the
Company and the other holders distributing their securities through such
underwriting) enter into an underwriting agreement in customary form with the
managing underwriter selected for such underwriting by the Company.
Notwithstanding any other provision of this Section 1.6, if the managing
underwriter determines that marketing factors require a limitation of the number
of shares to be underwritten, the managing underwriter and the Company may
reduce the Registrable Securities to be included in such registration to the
extent the underwriters deem necessary. The Company shall so advise all Holders
and other holders distributing their securities through such underwriting and
the number of shares of Registrable Securities that may be included in the
registration and underwriting shall be allocated first to the Series D Holders
to the extent of the Series D Registrable Securities held by such Series D
Holders, and then among all other Holders in proportion, as nearly as
practicable, to the respective amounts of Registrable Securities held by such
Holders at the time of filing the registration



                                       7.
<PAGE>   31
statement. If the number of Registrable Securities to be underwritten shall be
less than the number of Series D Registrable Securities, then the then the
number of Registrable Securities that may be included in the registration and
underwriting shall be allocated among the Series D Holders in proportion, as
nearly as practicable, to the respective amounts of Series D Registrable
Securities held by such Series D Holders at the time of filing the registration
statement. For purposes of such allocations, the amount of Registrable
Securities allocated to a Holder and its Affiliated Persons or Entities shall be
determined by aggregating all Registrable Securities held by such Holder and its
Affiliated Persons or Entities. To facilitate the allocation of shares in
accordance with the above provisions, the Company may round the number of shares
allocated to any Holder or holder to the nearest 100 shares, as adjusted for any
recapitalization, stock combinations, stock dividends, stock splits and the
like.

      If any Holder or holder disapproves of the terms of any such underwriting,
he may elect to withdraw therefrom by written notice to the Company and the
managing underwriter. Any securities excluded or withdrawn from such
underwriting shall be withdrawn from such registration, and shall not be
transferred in a public distribution prior to one hundred eighty (180) days
after the effective date of the registration statement relating thereto, or such
other shorter period of time as the underwriters may require.

            (c) RIGHT TO TERMINATE REGISTRATION. The Company shall have the
right to terminate or withdraw any registration initiated by it under this
Section 1.6 prior to the effectiveness of such registration whether or not any
Holder has elected to include securities in such registration.

      1.7   REGISTRATION ON FORM S-3.

            (a) If any Holder or Holders hold Registrable Securities equal or
convertible in the aggregate to not less than 2% of the then outstanding Common
Stock request that the Company file a registration statement on Form S-3 (or any
successor form to Form S-3) for a public offering of shares of the Registrable
Securities the reasonably anticipated aggregate price to the public of which,
net of underwriting discounts and commissions, would exceed $1,000,000, and the
Company is a registrant entitled to use Form S-3 (or any successor form to Form
S-3) to register the Registrable Securities for such an offering, the Company
shall use its best efforts to cause such Registrable Securities to be registered
for the offering on such form and to cause such Registrable Securities to be
qualified in such jurisdictions as such Holder or Holders may reasonably
request; provided, however, that the Company shall not be required to effect
more than one registration pursuant to this Section 1.7 in any six (6) month
period. The Company shall inform other Holders of the proposed registration and
offer them the opportunity to participate. The substantive provisions of Section
1.5(b) shall be applicable to each registration initiated under this Section
1.7.

            (b) Notwithstanding the foregoing, the Company shall not be
obligated to take any action pursuant to this Section 1.7 (i) in any particular
jurisdiction in which the Company would be required to execute a general consent
to service of process in effecting such registration, qualification or
compliance unless the Company is already subject to service in such jurisdiction
and except as may be required by the Securities Act; (ii) if the Company, within
ten (10) days of the receipt of the request of the Holders, gives notice of its
bona fide intention to effect the filing of a registration statement with the
Commission within ninety (90) days of receipt of such request (other than with
respect to a registration statement relating to a Rule 145 transaction, an
offering solely to employees or any other registration which is not appropriate
for the registration of Registrable Securities); (iii) during the period
starting with the date sixty (60) days prior to the Company's estimated date of
filing of, and ending on the date six (6) months



                                       8.
<PAGE>   32
immediately following, the effective date of any registration statement
pertaining to securities of the Company (other than a registration of securities
in a Rule 145 transaction or with respect to an employee benefit plan), provided
that the Company is actively employing in good faith all reasonable efforts to
cause such registration statement to become effective; or (iv) if the Company
shall furnish to such Holder a certificate signed by the President of the
Company stating that in the good faith judgment of the Board of Directors it
would be seriously detrimental to the Company or its shareholders for
registration statements to be filed in the near future, then the Company's
obligation to use its best efforts to file a registration statement shall be
deferred for a period not to exceed ninety (90) days from the receipt of the
request to file such registration by such Holder; provided that the Company may
not exercise this deferral right more than once per twelve (12) month period.

      1.8 LIMITATIONS ON SUBSEQUENT REGISTRATION RIGHTS. From and after the date
hereof, the Company shall not enter into any agreement granting any holder or
prospective holder of any securities of the Company registration rights with
respect to such securities unless such new registration rights, including
standoff obligations, are subordinate to the registration rights granted Holders
hereunder.

      1.9 EXPENSES OF REGISTRATION. All Registration Expenses incurred in
connection with (i) one (1) registration pursuant to Section 1.5, (ii) all
registrations pursuant to Section 1.6, and (iii) all registrations pursuant to
Section 1.7 shall be borne by the Company. Unless otherwise stated, all Selling
Expenses relating to securities registered on behalf of the Holders and all
other Registration Expenses shall be borne by the Holders of such securities pro
rata on the basis of the number of shares so registered.

      1.10 REGISTRATION PROCEDURES. In the case of each registration,
qualification or compliance effected by the Company pursuant to this Section 1,
the Company will keep each Holder advised in writing as to the initiation of
each registration, qualification and compliance and as to the completion
thereof. At its expense the Company will:

            (a) Prepare and file with the Commission a registration statement
with respect to such securities and use its best efforts to cause such
registration statement to become and remain effective for at least one hundred
eighty (180) days or until the distribution described in the Registration
Statement has been completed;

            (b) Furnish to the Holders participating in such registration and to
the underwriters of the securities being registered such reasonable number of
copies of the registration statement, preliminary prospectus, final prospectus
and such other documents as such underwriters may reasonably request in order to
facilitate the public offering of such securities;

            (c) Prepare and file with the Commission such amendments and
supplements to such registration statement and the prospectus used in connection
with such registration statements as may be necessary to comply with the
provisions of the Securities Act with respect to the disposition of all
securities covered by such registration statement;



                                       9.
<PAGE>   33
            (d) Use its best efforts to register and qualify the securities
covered by such registration statement under such other securities or Blue Sky
laws of such jurisdictions as shall be reasonably requested by the Holders,
provided that the Company shall not be required in connection therewith or as a
condition thereto to qualify to do business or to file a general consent to
service of process in any such states or jurisdictions; and

            (e) In the event of any underwritten public offering, enter into and
perform its obligations under an underwriting agreement, in usual and customary
form, with the managing underwriter of such offering. Each Holder participating
in such underwriting shall also enter into and perform its obligations under
such an agreement.

      1.11  INDEMNIFICATION.

            (a) The Company will indemnify each Holder, each of its officers and
directors, members and partners, and each person controlling such Holder within
the meaning of Section 15 of the Securities Act, with respect to which
registration, qualification or compliance has been effected pursuant to this
Section 1, and each underwriter, if any, and each person who controls any
underwriter within the meaning of Section 15 of the Securities Act, against all
expenses, claims, losses, damages or liabilities (or actions in respect
thereof), including any of the foregoing incurred in settlement of any
litigation, commenced or threatened, arising out of or based on any untrue
statement (or alleged untrue statement) of a material fact contained in any
registration statement, prospectus, offering circular or other document, or any
amendment or supplement thereto, incident to any such registration,
qualification or compliance, or based on any omission (or alleged omission) to
state therein a material fact required to be stated therein or necessary to make
the statements therein, in light of the circumstances in which they were made,
not misleading, or any violation by the Company of the Securities Act, the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), state
securities law or any rule or regulation promulgated under such laws applicable
to the Company in connection with any such registration, qualification or
compliance, and within a reasonable period the Company will reimburse each such
Holder, each of its officers and directors, and each person controlling such
Holder, each such underwriter and each person who controls any such underwriter,
for any legal and any other expenses reasonably incurred in connection with
investigating, preparing or defending any such claim, loss, damage, liability or
action; provided that the Company will not be liable in any such case to the
extent that any such claim, loss, damage, liability or expense arises out of or
is based on any untrue statement or omission or alleged untrue statement or
omission, made in reliance upon and in conformity with written information
furnished to the Company by an instrument duly executed by such Holder,
controlling person or underwriter and stated to be specifically for use therein.

            (b) Each Holder will, if Registrable Securities held by such Holder
are included in the securities as to which such registration, qualification or
compliance is being effected, indemnify the Company, each of its directors and
officers, each underwriter, if any, of the Company's securities covered by such
a registration statement, each person who controls the Company or such
underwriter within the meaning of Section 15 of the Securities Act, and each
other such Holder, each of its officers and directors and each person
controlling such Holder within the meaning of Section 15 of the Securities Act,
against all claims, losses, damages and liabilities (or actions in respect
thereof) arising out of or based on any untrue statement (or


                                      10.
<PAGE>   34
alleged untrue statement) of a material fact contained in any such registration
statement, prospectus, offering circular or other document, or any omission (or
alleged omission) to state therein a material fact required to be stated therein
or necessary to make the statements therein not misleading, and within a
reasonable period will reimburse the Company, such Holders, such directors,
officers, persons, underwriters or control persons for any legal or any other
expenses reasonably incurred in connection with investigating or defending any
such claim, loss, damage, liability or action, in each case to the extent, but
only to the extent, that such untrue statement (or alleged untrue statement) or
omission (or alleged omission) is made in such registration statement,
prospectus, offering circular or other document in reliance upon and in
conformity with written information furnished to the Company by an instrument
duly executed by such Holder and stated to be specifically for use therein.

            (c) Each party entitled to indemnification under this Section 1.11
(the "Indemnified Party") shall give notice to the party required to provide
indemnification (the "Indemnifying Party") promptly after such Indemnified Party
has actual knowledge of any claim as to which indemnity may be sought, and shall
permit the Indemnifying Party to assume the defense of any such claim or any
litigation resulting therefrom, provided that counsel for the Indemnifying
Party, who shall conduct the defense of such claim or litigation, shall be
approved by the Indemnified Party (whose approval shall not unreasonably be
withheld), and the Indemnified Party may participate in such defense at such
party's expense, and provided further that the failure of any Indemnified Party
to give notice as provided herein shall not relieve the Indemnifying Party of
its obligations under this Section 1.11 unless the failure to give such notice
is materially prejudicial to an Indemnifying Party's ability to defend such
action and provided further, that the Indemnifying Party shall not assume the
defense for matters as to which there is a conflict of interest or separate and
different defenses. No Indemnifying Party, in the defense of any such claim or
litigation, shall, except with the consent of each Indemnified Party, consent to
entry of any judgment or enter into any settlement which does not include as an
unconditional term thereof the giving by the claimant or plaintiff to such
Indemnified Party of a release from all liability in respect to such claim or
litigation. No Indemnifying Party shall be liable for indemnification hereunder
with respect to any settlement or consent to judgment, in connection with any
claim or litigation to which these indemnification provisions apply, that has
been entered into without the prior consent of the Indemnifying Party (which
consent will not be unreasonably withheld)

            (d) If the indemnification provided for in this Section 1.11 is held
by a court of competent jurisdiction to be unavailable to an indemnified party
with respect to any loss, liability, claim, damage, or expense referred to
therein, then the indemnifying party, in lieu of indemnifying such indemnified
party hereunder, shall contribute to the amount paid or payable by such
indemnified party as a result of such loss, liability, claim, damage, or expense
in such proportion as is appropriate to reflect the relative fault of the
indemnifying party on the one hand and of the indemnified party on the other in
connection with the statements or omissions that resulted in such loss,
liability, claim, damage, or expense as well as any other relevant equitable
considerations; provided, that, in no event shall any contribution by a Holder
under this Subsection 1.1(d) exceed the net proceeds from the offering received
by such Holder. The relative fault of the indemnifying party and of the
indemnified party shall be determined by reference to, among other things,
whether the untrue or alleged untrue statement of a material fact or the
omission to state a material fact relates to information supplied by the
indemnifying



                                      11.
<PAGE>   35
party or by the indemnified party and the parties' relative intent, knowledge,
access to information, and opportunity to correct or prevent such statement or
omission.

            (e) Notwithstanding the foregoing, to the extent that the provisions
on indemnification and contribution contained in the underwriting agreement
entered into in connection with the underwritten public offering are in conflict
with the foregoing provisions, the provisions in the underwriting agreement
shall control.

            (f) The obligations of the Company and Holders under this Section
1.11 shall survive the completion of any offering of Registrable Securities in a
registration statement under this Section 1, and otherwise.

      1.12 INFORMATION BY HOLDER. The Holder or Holders of Registrable
Securities included in any registration shall furnish to the Company such
information regarding such Holder or Holders, the Registrable Securities held by
them and the distribution proposed by such Holder or Holders as the Company may
request in writing and as shall be required in connection with any registration,
qualification or compliance referred to in this Section 1.12.

      1.13 RULE 144 REPORTING. With a view to making available the benefits of
certain rules and regulations of the Commission which may at any time permit the
sale of the Restricted Securities to the public without registration, the
Company agrees to use its best efforts to:

            (a) Make and keep public information available, as those terms are
understood and defined in Rule 144 under the Securities Act, at all times after
the effective date that the Company becomes subject to the reporting
requirements of the Securities Act or the Exchange Act;

            (b) Use its best efforts to file with the Commission in a timely
manner all reports and other documents required of the Company under the
Securities Act and the Exchange Act; and

            (c) So long as a Holder owns any Restricted Securities to furnish to
the Holder forthwith upon request a written statement by the Company as to its
compliance with the reporting requirements of said Rule 144, and of the
Securities Act and the Exchange Act, a copy of the most recent annual or
quarterly report of the Company, and such other reports and documents of the
Company and other information in the possession of or reasonably obtainable by
the Company as the Holder may reasonably request in availing itself of any rule
or regulation of the Commission allowing the Holder to sell any such securities
without registration.

      1.14 TRANSFER OF REGISTRATION RIGHTS. The rights to cause the Company to
register securities granted Holders under Sections 1.5, 1.6 and 1.7 may be
assigned to Affiliated Persons or Entities, or other transferees or assignees
reasonably acceptable to the Company, in connection with any transfer or
assignment of Registrable Securities by the Holder, provided that (a) such
transfer may otherwise be effected in accordance with applicable securities laws
and Section 1.3 and 1.4, and (b) such assignees or transferees that are not
Affiliated Persons or Entities acquire at least 100,000 shares of Registrable
Securities.



                                      12.
<PAGE>   36

      1.15 STANDOFF AGREEMENT. In connection with any public offering of the
Company's securities, the Holder agrees, upon request of the Company or the
underwriters managing any underwritten offering of the Company's securities, not
to sell, make any short sale of, loan, grant any option for the purchase of, or
otherwise dispose of any Registrable Securities (other than those included in
the registration) without the prior written consent of the Company or such
underwriters, as the case may be, for such period of time (not to exceed one
hundred eighty (180) days) from the effective date of such registration as may
be requested by the underwriters; provided that the officers and directors of
the Company who own stock of the Company and each holder representing at least
one percent (1%) of the Company's outstanding voting securities also agrees to
such restrictions.

      1.16 TERMINATION OF REGISTRATION RIGHTS. The registration rights granted
pursuant to Section 1 shall terminate as to each Holder at such time as all
Registrable Securities held by such Holder may, in the opinion of counsel to the
Company (which opinion shall be addressed and rendered to Holder), be sold
within a given three month period pursuant to Rule 144 or any other applicable
exemption that allows for a resale free of registration.

                                    SECTION 2

                             RIGHT OF FIRST REFUSAL

      2.1 GRANT OF RIGHT OF FIRST REFUSAL. Subject to compliance with all
applicable federal and state securities laws, the Company grants to the Holders
the right of first refusal to purchase, pro rata, all or any part of New
Securities (as defined in this Section 2) which the Company may, from time to
time after the date of this Agreement, propose to sell and issue. A pro rata
share, for purposes of this right of first refusal, is the ratio that the sum of
the number of shares of Conversion Stock then held by a Holder bears to the
total outstanding Common Stock of the Company (assuming conversion of all
convertible securities and the exercise of all outstanding options and
warrants).

      2.2 DEFINITION OF NEW SECURITIES. Except as set forth below, "New
Securities" shall mean any shares of capital stock of the Company, including
Common Stock and Preferred Stock, whether now authorized or not, and rights,
options or warrants to purchase said shares of Common Stock or Preferred Stock,
and securities of any type whatsoever that are, or may become, convertible into
said shares of Common Stock or Preferred Stock. Notwithstanding the foregoing,
"New Securities" does not include (i) the Preferred Stock, the Warrants or the
Conversion Stock, (ii) securities offered to the public generally pursuant to a
registration statement under the Securities Act, (iii) securities issued
pursuant to the acquisition of another corporation by the Company by merger,
purchase of all or substantially all of the assets or other reorganization, (iv)
securities issuable upon exercise or conversion of currently outstanding
securities, (v) securities issued in connection with any stock split, stock
dividend or recapitalization by the Company, (vi) securities issued to the
Company's employees, officers, directors, and consultants pursuant to any
arrangement approved by the Board of Directors of the Company, and (vii)
securities issued to research or development collaborators or issued to banks or
other institutional lenders or lessors in connection with capital asset leases
or borrowings for the acquisition of capital assets, pursuant to any arrangement
approved by the Board of Directors of the Company (including securities issued
upon exercise or conversion of any such securities).



                                      13.
<PAGE>   37

      2.3 NOTICE OF INTENT TO ISSUE NEW SECURITIES; NOTICE PERIOD. In the event
the Company proposes to undertake an issuance of New Securities, it shall give
each Holder written notice of its intention, describing the type of New
Securities and the price and terms upon which the Company proposes to issue the
same. Each Holder shall have 15 days from the date of receipt of any such notice
to agree to purchase up to its pro rata share of such New Securities for the
price and upon the terms specified in the notice by giving written notice to the
Company and stating therein the quantity of New Securities to be purchased.

      2.4 OFFERS TO THIRD PARTIES. In the event a Holder fails to exercise the
right of first refusal within said 15 day period, the Company shall have 90 days
thereafter to sell or enter into an agreement (pursuant to which the sale of New
Securities covered thereby shall be closed, if at all, within 60 days from the
date of said agreement) to sell the New Securities not elected to be purchased
by the Holder at the price and upon the terms no more favorable to the Holders
of such securities than specified in the Company's notice. In the event the
Company has not sold the New Securities or entered into an agreement to sell the
New Securities in accordance with the foregoing within 60 days from the date of
said agreement, the Company shall not thereafter issue or sell any New
Securities without first offering such securities in the manner provided above.

      2.5 ASSIGNMENT. The right of first refusal granted under this Agreement is
not assignable except by each of such Holders to any "affiliated persons or
entities," which shall include, partners, members, former members of a limited
partnership or limited liability company, or an affiliated entity managed by the
same manager or managing partner or management company, or managed or owned by
an entity controlling, controlled by, or under common control with, such manager
or managing partner or management company.

      2.6 TERMINATION OF RIGHT OF FIRST REFUSAL. The right of first refusal
granted under this Agreement shall terminate upon the first to occur of the
following:

                  (i) if a Holder at any time holds less than 250,000 shares of
Conversion Stock (appropriately adjusted for any stock split, stock dividend or
any other recapitalization), the right of first refusal shall terminate as to
such Holder;

                  (ii) if a Holder converts or has at any time converted all of
the Preferred Stock owned by such Holder, the right of first refusal shall
terminate as to such Holder;

                  (iii) the liquidation,  dissolution or indefinite  cessation
of business operations of the Company; or

                  (iv) the execution by the Company of a general assignment for
the benefit of creditors or the appointment of a receiver or trustee to take
possession of the property and assets of the Company.

                                    SECTION 3

                                  MISCELLANEOUS

      3.1 GOVERNING LAW. This Agreement shall be governed in all respects by the
internal laws of the State of California.



                                      14.
<PAGE>   38

      3.2 SURVIVAL. The covenants and agreements made herein shall survive any
investigation made by the Holders and the closing of the transactions
contemplated hereby.

      3.3 SUCCESSORS AND ASSIGNS. Except as otherwise provided herein, the
provisions hereof shall inure to the benefit of, and be binding upon, the
successors, assigns, heirs, executors and administrators of the parties hereto.

      3.4 ENTIRE AGREEMENT; AMENDMENT. This Agreement, the Exchange Agreement,
the Series C Agreement, the Series D Agreement and the other documents delivered
pursuant hereto or delivered on the Closing Date for each of the Exchange
Agreement, the Series C Agreement, and the Series D Agreement constitute the
full and entire understanding and agreement between the parties with regard to
the subjects hereof and thereof, and no party shall be liable or bound to any
other party in any manner by any warranties, representations or covenants except
as specifically set forth herein or therein. The provisions of this Agreement
amend and supersede any rights or obligations under the Prior Rights Agreements.
Except as expressly provided herein, neither this Agreement nor any term hereof
may be amended, waived, discharged or terminated other than by a written
instrument signed by the party against whom enforcement of any such amendment,
waiver, discharge or termination is sought; provided, however, that holders of a
majority of the issued or outstanding shares of the Preferred Stock (which
majority shall include at least sixty percent (60%) of the voting power of the
holders of Series D Preferred Stock) may, with the Company's prior written
consent, waive, modify or amend on behalf of all holders, any provisions hereof.

      3.5 NOTICES, ETC. All notices and other communications required or
permitted hereunder shall be in writing and shall be mailed by registered or
certified mail, postage prepaid, or otherwise delivered by hand or by messenger,
addressed (a) if to a Holder, at such Holder's address, as shown on the stock
records of the Company, or at such other address as such Holder shall have
furnished to the Company in writing, or (b) if to any other holder of Preferred
Stock, at such address as such holder shall have furnished the Company in
writing, or, until any such holder so furnishes an address to the Company, then
to and at the address of the last holder of such Preferred Stock who has so
furnished an address to the Company, or (c) if to the Company, one copy should
be sent to its address set forth on the cover page of this Agreement and
addressed to the attention of the Chief Executive Officer, or at such other
address as the Company shall have furnished to the Holders.

      Each such notice or other communication shall for all purposes of this
Agreement be treated as effective or having been given when delivered if
delivered personally, or, if sent by mail, at the earlier of its receipt or 72
hours after the same has been deposited in a regularly maintained receptacle for
the deposit of the United States mail, addressed and mailed as aforesaid.

      3.6 DELAYS OR OMISSIONS. Except as expressly provided herein, no delay or
omission to exercise any right, power or remedy accruing to any party to this
Agreement upon any breach or default of any other party under this Agreement,
shall impair any such right, power or remedy of such nondefaulting party nor
shall it be construed to be a waiver of any such breach or default, or an
acquiescence therein, or of or in any similar breach or default thereafter
occurring; nor shall any waiver of any single breach or default be deemed a
waiver of any other breach or



                                      15.
<PAGE>   39
default theretofore or thereafter occurring. Any waiver, permit, consent or
approval of any kind or character on the part of any party of any breach or
default under this Agreement, or any waiver on the part of any holder of any
provisions or conditions of this Agreement, must be in writing and shall be
effective only to the extent specifically set forth in such writing. All
remedies, either under this Agreement or by law or otherwise afforded to any
party to this Agreement, shall be cumulative and not alternative.

      3.7 COUNTERPARTS. This Agreement may be executed in any number of
counterparts, each of which shall be enforceable against the parties actually
executing such counterparts, and all of which together shall constitute one
instrument.

      3.8 SEVERABILITY. In the event that any provision of this Agreement
becomes or is declared by a court of competent jurisdiction to be illegal,
unenforceable or void, this Agreement shall continue in full force and effect
without said provision; provided that no such severability shall be effective if
it materially changes the economic benefit of this Agreement to any party.

      3.9 TITLES AND SUBTITLES. The titles and subtitles used in this Agreement
are used for convenience only and are not considered in construing or
interpreting this Agreement.

      3.10 WAIVER OF RIGHTS. In consideration of the rights granted herein, (i)
all rights granted to, and any obligations of, the parties to the Prior Rights
Agreements are amended and restated in full to read as set forth in this
Agreement; (ii) Wilmington waives its right of first refusal as set forth in
Section 2 of the Rights Agreement with respect to the issuance of Series D
Preferred Stock and related warrants (and the shares of Common Stock underlying
the Series D Preferred Stock and related warrants) pursuant to the Series D
Agreement; (iii) Wilmington, the Trust, and other parties to the Registration
Rights Agreement hereby waive any and all rights to payments by the Company
under Section 2(b) of the Registration Rights Agreement.



                            [Signature Pages Follow]



                                      16.
<PAGE>   40
The foregoing agreement is hereby executed as of the date first above written.

                                    "COMPANY"

                                    SUPERCONDUCTOR TECHNOLOGIES INC.

                                    a Delaware corporation

                                    By: /s/ PETER THOMAS
                                        ----------------------------------------
                                    Name: Peter Thomas,
                                    Title:  Chief Executive Officer

                                    "SERIES A-2 HOLDER"

                                    WILMINGTON SECURITIES, INC.

                                    By: /s/ ANDREW H. MCQUARRIE
                                        ----------------------------------------
                                    Name: Andrew H. McQuarrie
                                    Title:   Vice President

                                    "SERIES A-3 HOLDER"

                                    WILMINGTON SECURITIES, INC.

                                    By: /s/ ANDREW H. MCQUARRIE
                                        ----------------------------------------
                                    Name: Andrew H. McQuarrie
                                    Title:   Vice President

                                    "SERIES B-1 HOLDERS"

                                    WILMINGTON SECURITIES, INC.

                                    By: /s/ ANDREW H. MCQUARRIE
                                        ---------------------------------------
                                    Name: Andrew H. McQuarrie
                                    Title:   Vice President



                                      17.
<PAGE>   41

                                    HENRY L. HILLMAN, ELSIE HILLIARD HILLMAN AND
                                    C.G. GREFENSTETTE, TRUSTEES OF THE HENRY L.
                                    HILLMAN TRUST U/A DATED NOVEMBER 18, 1985

                                    By: /s/ C.G. GREFENSTETTE
                                        ----------------------------------------
                                    Name: C.G. Grefenstette

                                    THOMAS G. BIGLEY AND C.G. GREFENSTETTE,
                                    TRUSTEES UNDER AGREEMENT OF TRUST DATED
                                    12/30/76 FOR THE CHILDREN OF JULIET LEA
                                    HILLMAN SIMONDS

                                    By: /s/ C.G. GREFENSTETTE
                                        ----------------------------------------
                                    Name: C.G. Grefenstette

                                    By: /s/ THOMAS G. BIGLEY
                                        ----------------------------------------
                                    Name: Thomas G. Bigley

                                    THOMAS G. BIGLEY AND C.G. GREFENSTETTE,
                                    TRUSTEES UNDER AGREEMENT OF TRUST DATED
                                    12/30/76 FOR THE CHILDREN OF AUDREY HILLIARD
                                    HILLMAN

                                    By: /s/ C.G. GREFENSTETTE
                                        ----------------------------------------
                                    Name: C.G. Grefenstette

                                    By: /s/ THOMAS G. BIGLEY
                                        ----------------------------------------
                                    Name: Thomas G. Bigley





                                      18.
<PAGE>   42

                                    THOMAS G. BIGLEY AND C.G. GREFENSTETTE,
                                    TRUSTEES UNDER AGREEMENT OF TRUST DATED
                                    12/30/76 FOR THE CHILDREN OF HENRY LEA
                                    HILLMAN, JR.

                                    By: /s/ C.G. GREFENSTETTE
                                        ----------------------------------------
                                    Name: C.G. Grefenstette

                                    By: /s/ THOMAS G. BIGLEY
                                    ----------------------------------------
                                    Name: Thomas G. Bigley THOMAS G. BIGLEY AND
                                    C.G. GREFENSTETTE, TRUSTEES UNDER AGREEMENT
                                    OF TRUST DATED 12/30/76 FOR THE CHILDREN OF
                                    WILLIAM TALBOTT HILLMAN.

                                    By: /s/ C.G. GREFENSTETTE
                                        ----------------------------------------
                                    Name: C.G. Grefenstette

                                    By: /s/ THOMAS G. BIGLEY
                                        ----------------------------------------
                                    Name: Thomas G. Bigley

                                    "SERIES C HOLDER"

                                    WILMINGTON SECURITIES, INC.

                                    By: /s/ ANDREW H. MCQUARRIE
                                        ----------------------------------------
                                    Name: Andrew H. McQuarrie
                                    Title:   Vice President

                                    "SERIES D HOLDERS"

                                    WILMINGTON SECURITIES, INC.

                                    By: /s/ ANDREW H. MCQUARRIE
                                        ----------------------------------------
                                    Name: Andrew H. McQuarrie
                                    Title:   Vice President




                                      19.
<PAGE>   43

                                    TGI FUND III, LLC

                                    By: Tredegar Investments, Inc., its Manager

                                    By: /S/ ANTHONY RUSSO
                                        ----------------------------------------
                                        Name:  Anthony Russo
                                        Title: Vice President

Second Closing Only                 "SERIES D HOLDERS" (CONT.)

                                    MADRONA INVESTMENT GROUP, LLC

                                    By: /s/ TOM ALBERG
                                        ----------------------------------------
                                       Name:  Tom Alberg
                                       Title: Principal



                                      20.
<PAGE>   44
                                    EXHIBIT A

                     TO THE SUPERCONDUCTOR TECHNOLOGIES INC.
           THIRD AMENDED AND RESTATED STOCKHOLDER RIGHTS AGREEMENT

<TABLE>
<CAPTION>
SECURITYHOLDER                          SECURITIES HELD THAT ARE SUBJECT TO THE
                                        AGREEMENT
<S>                                     <C>
Wilmington Securities, Inc.             Series A-2 Preferred Stock and related warrants
                                        Series A-3 Preferred Stock and related warrants
                                        Series B-1 Preferred Stock and related warrants
                                        Series C Preferred Stock and related warrants
                                        Series D Preferred Stock and related warrants
                                        Warrants received in connection with the
                                        Exchange Agreement

Henry L. Hillman, Elsie Hilliard        Series B-1 Preferred Stock and related
Hillman and C. G. Grefenstette,         warrants
Trustees of the Henry L. Hillman        Warrants received in connection with the
Trust U/A Dated November 18, 1985       Exchange Agreement

Thomas G. Bigley and C.G.               Series B-1 Preferred Stock and related
Grefenstette, Trustees Under            warrants
Agreement of Trust Dated 12/30/76       Warrants received in connection with the
for Children of Juliet Lea              Exchange Agreement
Hillman Simonds

Thomas G. Bigley and C.G.               Series B-1 Preferred Stock and related
Grefenstette, Trustees Under            warrants
Agreement of Trust Dated 12/30/76       Warrants received in connection with the
for Children of Audrey Hillman          Exchange Agreement
Fisher

Thomas G. Bigley and C.G.               Series B-1 Preferred Stock and related
Grefenstette, Trustees Under            warrants
Agreement of Trust Dated 12/30/76       Warrants received in connection with the
for Children of Henry Lea               Exchange Agreement
Hillman, Jr.

Thomas G. Bigley and C.G.               Series B-1 Preferred Stock and related
Grefenstette, Trustees Under            warrants
Agreement of Trust Dated 12/30/76       Warrants received in connection with the
for Children of William Talbott         Exchange Agreement
Hillman

TGI Fund III, LLC                       Series D Preferred Stock and related warrants

Madrona Investment Group, LLC           Series D Preferred Stock and related warrants
</TABLE>



                                       1.


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