Document:

TRANS-CENTURY RESOURCES, INC SUBSCRIPTION AGREEMENT

EXHIBIT 4.2

TRANS-CENTURY RESOURCES, INC.

SUBSCRIPTION AGREEMENT

Trans-Century Resources, Inc.

c/o Wells Fargo Bank Texas, N.A.

111 Congress Avenue

Austin, Texas 78701

Ladies and Gentlemen:

The undersigned understands that Trans-Century Resources, Inc., a Delaware corporation (the "Corporation"), is offering for sale (the "Offering") shares of the Common Stock, $0.001 par value, of the Corporation (the "Shares") pursuant to a Prospectus dated ____________, 2003 (the "Prospectus") that is part of the Corporation's Registration Statement on Form SB-2 (Registration No. 333-90312) under the Securities Act of 1933, as amended.  The Corporation is offering, on a "best efforts" basis, 1,000,000 Shares minimum and 3,350,000 Shares maximum at a price of $3.00 per Share, as more particularly described in the Prospectus.

1.

Subscription.  Subject to the terms and conditions hereof and the provisions of the Prospectus, the undersigned hereby irrevocably subscribes for ________ Shares for a total purchase price of $_______________ (the "Purchase Price").  The undersigned is executing a copy of this Subscription Agreement and is delivering the executed Subscription Agreement together with the Purchase Price to Wells Fargo Bank Texas, N.A., (the "Escrow Agent") as follows (please check one):

_____

Payment of the Purchase Price is being made by a check or bank draft payable in U.S. dollars to "Trans-Century Resources, Inc." in an amount equal to the total Purchase Price.

_____

Payment of the Purchase Price is being made by a postal express money order payable in U.S. dollars to "Trans-Century Resources, Inc." in an amount equal to the total Purchase Price.

_____

Payment of the Purchase Price is being made by a wire transfer to the Escrow Agent, Bank Routing Number 111 900 659, in an amount equal to the total Purchase Price.

_____

Payment of the Purchase Price is being made by other form of payment of immediately available funds to the Escrow Agent in an amount equal to the total Purchase Price, which payment is described as follows:

____________________________________________________________

___________________________________________________________.

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2.

Acceptance of Subscription.  The undersigned agrees that his tendering of this Subscription Agreement and the Purchase Price constitutes a binding offer to purchase the Shares subscribed for and an agreement not to revoke such offer.  The undersigned further agrees that this Subscription Agreement shall not be binding on the Corporation until accepted, that the Corporation shall have the right in its sole discretion to accept or reject this Subscription Agreement, in whole or in part, and that the same shall be deemed to be accepted by the Corporation only when it is signed by a duly authorized officer of the Corporation.  

3.

Representations and Warranties of the Undersigned.  The undersigned hereby represents and warrants to the Corporation and the Escrow Agent that:

(a)

He has received and read the Prospectus and he is familiar with the terms and provisions thereof. 

(b)

He has such knowledge and experience in financial and business matters as to be capable of evaluating the merits and risks of an investment in the Corporation and to have the capacity to protect his own interests in connection with this transaction.

(c)

He understands that no market currently exists for the Shares and none may develop following the Offering.  He acknowledges, therefore, that he must bear the economic risk of an investment in the Shares for an indefinite period of time.

(d)

He has not distributed the offering materials to anyone.

(e)

He is not relying upon the Corporation, the Escrow Agent, or any employee, agent or affiliate thereof, with respect to the tax and other legal aspects of this investment.

(f)

He has not authorized any broker, dealer, agent or finder to act on his behalf with respect to this transaction.  

(g)

He is acquiring the Shares for his own account for investment purposes and not for the account of others.

If the undersigned is a corporation or other entity, such entity also represents that it is existing and in good standing under the laws of the state of its organization and that its investment in the Shares and the execution, delivery and performance of this Subscription Agreement are within its power and authority and have been duly authorized by all necessary corporate or other action.

4.

Indemnification.  The undersigned acknowledges that he understands the meaning and legal consequences of the representations, warranties and covenants set forth in Section 3 hereof and that the Corporation and the Escrow Agent have relied and will rely upon

2

 such representations, warranties and covenants.  Therefore, he hereby agrees to indemnify and hold harmless each of the Corporation and the Escrow Agent, and the officers, directors, employees, controlling persons and agents of the Corporation and the Escrow Agent, from and against any and all loss, claim, damage, liability or expense, and any action in respect thereof, joint or several, to which any such person may become subject, due to or arising out of, or in connection with, a breach of any such representation, warranty or covenant, together with all reasonable costs and expenses (including attorneys' fees) incurred by any such person in connection with any action, suit, proceeding, demand, assessment or judgment incident to any of the matters so indemnified against.  Notwithstanding the foregoing, however, no representation, warranty, acknowledgement or agreement made herein by the undersigned shall in any manner be deemed to constitute a waiver of any rights granted to him under federal or state securities laws.

5.

Survival.  All representations, warranties and covenants contained in this Subscription Agreement, including without limitation the indemnification agreement contained in Section 4, shall survive the acceptance of this Subscription Agreement by the Corporation and any changes in the transactions, documents and instruments described in the Prospectus that are not material, and shall be binding on the heirs, executors, legal representatives, administrators, successors and assigns of the undersigned; provided, however, that if the Corporation shall have rejected this Subscription Agreement, this Subscription Agreement and all agreements of the undersigned hereunder shall automatically be cancelled.

6.

Notices.  All notices or other communications given or made hereunder shall be in writing and shall be delivered or mailed by registered or certified mail, return receipt requested, postage prepaid, if to the undersigned, at the address set forth below and if to the Corporation, at 8140 N. Mopac Expressway, Westpark III, Suite 200, Austin, Texas 78759, or at such other address as shall have been provided in writing to the party giving such notice.

7.

Governing Law.  This Subscription Agreement shall be governed and construed in accordance with the internal laws of the State of Texas, exclusive of principles of conflicts of law.

8.

Gender and Number.  Whenever required by the context of this Subscription Agreement, the singular number shall include the plural and the masculine gender shall include the feminine or neuter, and vice versa.

9.

Amendments.  This Subscription Agreement shall be modified or amended only by a writing executed by all parties hereto.

3

IN WITNESS WHEREOF, the undersigned has executed this Subscription Agreement as of the _____ day of _______________, 2003.

Entity or Trust Signature:

Individual Signature:

__________________________

_________________________________

Name of Entity or Trust

Signature (Individual)

By:_______________________

_________________________________

Name (typed or printed)

__________________________

Print Name and Title of Person

Signing

Address:

___________________________

___________________________

___________________________

_____________________________

Social Security Number of Individual 

or Other Taxpayer I.D. Number

ACCEPTED:

TRANS-CENTURY RESOURCES, INC.

By:___________________________

______________________

Name:___________________

Date

Title:____________________

4<PAGE>

EXHIBIT 10.19

                   AMENDED AND RESTATED STOCK OPTION AGREEMENT
                           MATERIAL TECHNOLOGIES, INC.

Effective  November 1, 2002, Material Technologies, Inc., a Delaware corporation
(the  "Corporation")  and  E.  G.  Bud  Shuster  ("Mr. Shuster") enter into this
Amended  Stock Option Agreement ("Amended Agreement") on the following terms and
conditions:

WHEREAS,  Mr.  Shuster and the Corporation entered into a Stock Option Agreement
("Original Agreement") effective March 27, 2002, wherein the Corporation granted
Mr.  Shuster  an  option  to  purchase  800,000  shares  ("1st  Option");  and

WHEREAS,  it  is  the desire of the parties to amend the Original Agreement; and

WHEREAS,  the Corporation's Board of Directors (the "Board") determined that the
Corporation's  interests will be advanced by entering into with Mr. Shuster this
Amended  Agreement;

NOW,  THEREFORE,  in  consideration  of  the  mutual  promises set forth in this
Agreement  and  for  other  good  and valuable consideration, the parties hereby
agree and incorporate by reference the Original Agreement, except such terms and
conditions  which  are  specifically  amended  as  follows:

     1.   OPTION  PRICE  -  The  purchase  price  of  the Shares of common stock
          subject  to  the  Option  shall  be two cents ($.02) per share without
          commission  or  other  charge.

     2.   AUTHORITY  -  The  Company  has  the  corporate  power  and  authority
          necessary  to  issue  the  options  herein and to issue the underlying
          shares of stock upon exercise thereof. All corporate actions hereunder
          have been approved by the shareholders and/or directors of the company
          as  required  under  law.

     3.   WHEN  EXERCISABLE  - The Option may be exercised beginning on November
          1, 2002 (the "Option Date") through November 1, 2007. The Option shall
          be  exercisable  only  as  follows: a. To the extent the Option is not
          exercised  by  November  1,  2007,  the  Option  shall  expire.

     b.   If prior to exercise and expiration of the Option in its entirety, the
          Corporation  is  acquired  by  or  merged  with  another  entity  in a
          transaction  involving  the  majority  of  the  Corporation's stock or
          substantially  all of the Corporation's assets (other than a merger or
          consolidation  in  which  the Corporation is the surviving corporation
          and  no shares are converted into or exchanged for securities, cash or
          any  other  thing  of  value),  then  the  Board shall act so that Mr.
          Shuster  benefits from such transaction on terms reasonably similar to
          the  terms  of such transaction that benefit other shareholders of the
          Corporation,  taking  into account Mr. Shuster's position and minority
          interest  in  the  Corporation.  Such  action  may include, but is not
          limited  to,  the  following:

     i.   Accelerating  the exercisability of this Option to permit its exercise
          in  full  during such period as the Board in its sole discretion shall
          prescribe;

     ii.  Permitting Mr. Shuster, at any time during such period as the Board in
          its  sole  discretion  shall prescribe, to surrender any Option or any
          portion  thereof  to  the  Corporation  for  cancellation;  and/or

     iii. Requiring  Mr.  Shuster,  at  any  time,  if  required by the terms of
          agreements relating to a merger, consolidation, or sale or transfer of
          substantially  all  of  the  Corporation's  assets,  to surrender this
          Option  or  any  portion  thereof  to  the Corporation in return for a
          substitute Option issued by the Corporation surviving such transaction
          which  Option  the  Board  determines  to  have a value to Mr. Shuster
          substantially equivalent to the value to Mr. Shuster of the Option, or
          portion  thereof,  surrendered.

     c.   Subject  to any action which the Board may take under paragraph 3b, in
          the  event  of  a  merger,  consolidation,  or  sale  or  transfer  of
          substantially  all  of  the  Corporation's  assets,  thereafter,  upon
          exercise  of  this  Option,  Mr.  Shuster shall, at no additional cost
          other  than  paying  the  exercise price of the Option, be entitled to
          receive  in lieu of Shares (1) the number and class of Shares or other
          security,  (2) the amount of cash, (3) property, or (4) combination of
          securities,  cash and/or property to which Mr. Shuster would have been
          entitled  under  the  terms  of  such merger, consolidation or sale or

<PAGE>

          transfer  of  assets,  if  immediately  prior to such transaction, Mr.
          Shuster  had  bee  the  holder  of the number of shares for which this
          Option  is  exercised.

     4.   COUNTERPARTS  -  This  Agreement  may  be  executed  in  two  or  more
          counterparts, each of which shall be deemed to be an original, but all
          of  which  together  constitute  one  and  the  same  instrument.

IN  WITNESS  WHEREOF,  the  Parties  execute this Agreement as of the first date
written  above.

Date:  November  _____,  2002               MATERIAL  TECHNOLOGIES,  INC.

                                            By:   /s/ Robert M. Bernstein
                                                  ____________________________
                                                 Robert M. Bernstein, President

Date:  November  _____,  2002               By:   /s/ Bud  Shuster
                                                 ____________________________
                                                 Bud  Shuster

<PAGE>

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