Document:

<PAGE>

                                                                 EXHIBIT 10.12.2

                               OPTION AGREEMENT
                               ----------------

     THIS OPTION AGREEMENT is made and entered into as of the 23/rd/ day of
December, 1998 by and between BORDEN CHEMICAL, INC., a Delaware corporation
("BCI") and BORDEN CHEMICALS AND PLASTICS OPERATING LIMITED
PARTNERSHIP, a Delaware limited partnership ("BCP").

                                  WITNESSETH:
                                  ----------

     WHEREAS, BCP and Borden, Inc. entered into a Methanol Purchase Agreement
dated November 30, 1987; and

     WHEREAS, effective January 1, 1996, Borden Inc. assigned to BCI and BCI
assumed from Borden, Inc., all of Borden, Inc.'s right, title and interest in
and to the Methanol Purchase Agreement; and

     WHEREAS, BCP wishes to extend to BCI, and BCI wishes to acquire from BCP,
the right and option to extend the term of the Methanol Purchase Agreement for
one (1) additional year beyond its current November 30, 2002 expiration date.

     NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which is hereby mutually acknowledged, BCP and BCI agree as
follows:

     1.   BCI shall have the right and option to extend the term of the Methanol
          Purchase Agreement for one (1) additional year, commencing November
          30, 2002 and ending November 30, 2003. Such right and option may be
          exercised by BCI by giving written notice of exercise to BCP no less
          than six (6) months prior to the expiration of the initial term of the
          Methanol Purchase Agreement.

     2.   All original terms and conditions of the Methanol Purchase Agreement
          shall remain and continue in force and effect during the extension
          period.

     IN WITNESS WHEREOF, the parties have caused this Option Agreement to be
executed by their duly authorized officers as of the day and year first above
written.

BORDEN CHEMICAL, INC.                 BORDEN CHEMICALS AND PLASTICS
                                      OPERATING LIMITED PARTNERSHIP
                                      BY:  BCP Management Inc., General Partner

By: /s/ Michael Ducey                 By: /s/ L. L. Dicker
   ------------------------           -------------------------------

Title: Exec, VP & COO                 Title: VP & General Counsel
       --------------------                 ----------------------------<PAGE>

                                                                 EXHIBIT 10.12.3

                   AMENDMENT TO METHANOL PURCHASE AGREEMENT
                   ----------------------------------------

     THIS AMENDMENT TO METHANOL PURCHASE AGREEMENT, is made and entered into as
of the 26/th/ day of January, 2000 by and between BORDEN CHEMICAL, INC., a
Delaware corporation ("BCI") and BORDEN CHEMICALS AND PLASTICS OPERATING LIMITED
PARTNERSHIP, a Delaware limited partnership ("BCP").

                                  WITNESSETH:
                                  ----------

     WHEREAS, BCP and Borden, Inc. entered into a Methanol Purchase Agreement
dated November 30, 1987 for a term ending November 30, 2002; and

     WHEREAS, effective January 1, 1996, Borden, Inc. assigned to BCI, and BCI
assumed from Borden, Inc., all of Borden, Inc.'s right, title and interest in
and to the Methanol Purchase Agreement; and

     WHEREAS, pursuant to an Option Agreement entered into as of December 23,
1998, BCI has the right and option to extend the term of the Methanol Purchase
Agreement for one (1) additional year ending November 30, 2003; and

     WHEREAS, BCI is constructing a new formaldehyde plant (the "New
Formaldehyde Plant") on land purchased from BCP in Ascension Parish; and

     WHEREAS, BCP and BCI wish to provide for the delivery of methanol under the
Methanol Purchase Agreement to the New Formaldehyde Plant by pipeline.

     NOW, THEREFORE, BCP and BCI agree that the Methanol Purchase Agreement
shall be amended by renumbering the existing text of Paragraph 4, Orders and
                                                                  ----------
Delivery, as subparagraph 4(a) and adding the following text as new
--------
subparagraph 4(b).

         (b)  In the case of deliveries of methanol to the New Formaldehyde
              Plant, delivery shall be by pipeline. The pipeline shall be paid
              for and owned by BCI. It shall be installed according to those
              reasonable design and construction methods specified by BCP, at
              the approximate location shown on the drawing attached hereto as
              Exhibit A. BCI shall perform repairs and maintenance to the
              pipeline from the Point of Transfer identified on Exhibit A
              Methanol delivered by pipeline shall be measured by a meter which
<PAGE>

                BCI shall install at the New Formaldehyde Plant. BCI will have a
                mutually agreeable independent contractor calibrate, prove and
                seal the meter upon its initial installation and placement into
                service and provide documentation of such calibration to BCP.
                The meter shall be recalibrated quarterly in accordance with the
                recommendations of the manufacturer. BCP shall be given
                reasonable notice of and the right to observe the calibration of
                the meter. If during calibration any meter is found to be
                inaccurate by more than one percent (1%), the parties shall
                agree on an appropriate adjustment to be made to billings for
                the period from the previous calibration. If the parties are
                unable to agree upon an appropriate adjustment, the readings for
                the last half of the period since the prior calibration shall be
                adjusted by the amount of the inaccuracy.

     Except as amended above, all other terms of the Methanol Purchase Agreement
shall remain and continue in force and effect.

     IN WITNESS WHEREOF, the parties have caused this Amendment to be executed
by their duly authorized officers as of the day and year first above written.

BORDEN CHEMICAL, INC.                BORDEN CHEMICALS AND PLASTICS
                                     OPERATING LIMITED PARTNERSHIP
                                     BY:  BCP Management, Inc., General Partner

By: /s/ Michael Ducey                By: /s/ Wayne P. Leonard
   -------------------------             ---------------------------

Title: President & CEO               Title: Exec V.P. -  COO
      ---------------------                ------------------------

                                       2<PAGE>

                                    [LOGO]

                            Memorandum of Agreement

                                    between

                             e-commerce group Inc.

                                      and

                           Greenfield Ventures Ltd.,

                                      for

                             e-commerce group Inc.
                        Corporate Introduction Services

                                                      Dated: 25/th/ October 1999

     _______________________________________________________________________
                                                                Page 1 of 4
<PAGE>

Memorandum of Agreement

Participants

The participants of this memorandum are as follows:
1. E-commerce group Inc, formerly Dalton International Resources Inc. a NASDAQ
   Bulletin Board quoted company (ECGM(E) - formerly DIRI
2. Greenfield Ventures Ltd (GVL)

In each case their duly authorized officers represent the companies. The
confidentiality expressed throughout extends to all other officers and or
associates of the participating companies and further assumes that there are
already NDA's covering the confidentiality.

Objective

Once signed, this document will set out the detailed the terms of a contract
where Greenfield Ventures Ltd. will provide introduction to business acquisition
targets to e-commerce group Inc. on terms as specified within this contract. In
essence the introduction of symbiotic companies with e-commerce group Inc. where
significant mutual benefit could be achieved.

The terms set out in the enclosed are binding and form the basis of a legal
commitment by all the parties.

Greenfield Ventures (GVL)

     .    GVL is retained by the group for a period of three years
     .    The commencement date of the contract will be the date
          of completion of the Private Placement of funds to ECGM
          under the Offering Memorandum dated November 15/th/ 1999
          issued by ECGM.
     .    This contract shall remain in force for the duration of
          this contract unless one of the following situations
          transpires:
          .   ECGM is acquired or merged with another group.
          .   ECGM goes into receivership, Chapter 11 or
              liquidation or any other form of administration
              within/by any of its operating groups or
              subsidiaries
          .   GVL is acquired or merged with another group.

  __________________________________________________________________________
                                                               Page 2 of 4
<PAGE>

          [_]  GVL goes into receivership, Chapter 11 or liquidation or any
               other form of administration within/by any of its operating
               groups or subsidiaries

          [_]  If by mutual agreement GVL has been unable to perform its duties
               in accordance with the requirements of ECGM. In this case ECGM
               reserves the right to appoint another agency to complete the
               outstanding appointments without course to honor the balance of
               the contract.

     [_]  GVL agrees to work diligently to always seek the very best calibre
          partners and acquisition targets.

     [_]  It is clearly understood that the executive Management team has the
          exclusive right of refusal to any target candidate offered by GVL for
          any reason, or for no reason.

     [_]  It is further understood that the GVL will use its very best endeavors
          to minimize the utilization of e-commerce group Inc.'s executive
          management time without sound business reason and in line with the
          companies specific brief on the types of acquisition targets.

     [_]  The commensurate fees and terms are as follows:-
               [_]  This contract is on a no expenses, no retainer basis.
               [_]  It is based on a completion fees only.

     [_]  Payments and or Share issuance will be effected within 60 days of the
          signing of the completion documents and subsequent SEC or other
          regulatory approval that may be required.

     [_]  Payment schedule for the successful completion of an acquisition by
          e-commerce group Inc. being introduced to them by GVL is based on a
          reverse Leaman Scale as follows:-

          [_]  Net acquisition purchase price to $1M = 5%

          [_]  Net acquisition purchase price $1M - $3M = 3%

          [_]  Net acquisition purchase price $3M - $5M = 2%

          [_]  Net acquisition purchase price $5M+ = 1%

          [_]  All fees are in United States Dollars (US $'s)

          [_]  Minimum Fee = $25,000

     [_] Fees can be paid in a mix of cash and company stock on the cash
         equivalent basis of 50% cash and 50% stock. The issuing price of the
         stock in this case will be based on the trading average of the stock on
         the previous 90 days public trade. Any stock issued will be Preference
         A stock and will be subject to the SEC regulations pertaining to this
         type of stock issuance.

     Exit Terms

     The spirit of this agreement, as previously stated, is to move quickly to
     the completion of the raising of finance under the Offering Memorandum,

     __________________________________________________________________________
                                                                    Page 3 of 4

<PAGE>

     dated 1/st/ November 1999. Because of the level of expense incurred on the
     promoting parties this agreement is binding save for the acceptable `Exit
     Terms' listed below;

     [_]  The required funding is not made available within the timeframe
          detailed in the Offering Memorandum, dated 8/th/ November 1999

     [_]  A period of 120 days has lapsed (from the date of signing this
          agreement) prior to completion of the Offering Memorandum

     In the case of failure to raise financing through the Offering Memorandum
     this contract ceases to have any value and no compensation is due to any
     party by the other.

     The signatories of this Memorandum of Agreement, (e-com Corp Intro MOA)
     hereby agree to voluntarily cooperate, according to their respective roles
     and competencies and to conclude the project described above in a positive
     and constructive manner for the benefit of all parties present and future.

     Further they agree to conduct themselves within the framework of the
     regulatory bodies where required.

     Each party agrees that this forms a binding contract on the terms set out
     herein agrees it.

     Signed                   Signed                   Signed

                              /s/  T Taylor            /s/ Tony Arnold
     --------------------     ----------------------   --------------------

     Print Name               Print Name               Print Name

     David Wong               T E TAYLOR               TONY ARNOLD
     Company Secretary

     ____________________     _______________________  ____________________
     On behalf of:            On behalf of:            Witness thereof:

     e-commerce group Inc.    Greenfield Ventures Ltd. 134 Hilmarton
                                                       Reading
                                                       Buckinghamshire
                                                       UK
                                                       RG64HJ

     _______________________________________________________________________
                                                                 Page 4 of 4

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