Document:

EARTH SOURCE ENERGY INC.
                                      -and-
                            PACIFIC GEO EXCHANGE INC.
                                      -and-
                              MUELLER FAMILY TRUST
                                      -and-
                                JADE EAGLE TRUST
                                      -and-
                             ARIES DEVELOPMENTS LTD.
                                      -and-
                                  LYNN MUELLER
                                      -and
                                  MARK MCCOOEY
                                      -and-
                                   PAUL CALLON
                                      -and-
                     ESSENTIAL INNOVATIONS TECHNOLOGY CORP.

                                 ADDENDUM TO THE
                            SHARE PURCHASE AGREEMENT

<PAGE>

                    ADDENDUM TO THE SHARE PURCHASE AGREEMENT

THIS ADDENDUM TO THE SHARE PURCHASE AGREEMENT made as of the 8th day of
February, 2006,

BETWEEN:

         Earth Source Energy Inc., a corporation existing under the laws of the
         Province of British Columbia (hereinafter called "ESE")
                                      -and-
         Pacific Geo Exchange Inc., a corporation existing under the laws of the
         Province of British Columbia (hereinafter called "PacGeo")
                                      -and-
         Lynn Mueller of the Province of British Columbia (hereinafter called
         "Lynn")
                                      -and-
         Lynn Mueller, sole trustee of the Mueller Family Trust, a trust settled
         and constituted under the laws of the Province of British Columbia
         (hereinafter called the "Mueller Trust")
                                      -and-
         Mark McCooey of the Province of British Columbia (hereinafter called
         "Mark")
                                      -and-
         Mark McCooey, sole trustee of the Jade Eagle Trust, a trust settled and
         constituted under the laws of the Province of British Columbia
         (hereinafter called the "Jade Eagle Trust")
                                      -and-
         Aries Developments Ltd., a corporation existing under the laws of the
         Province of British Columbia (hereinafter called "Aries")
                                      -and-
         Paul Callon of the Province of British Columbia (hereinafter called
         "Callon")
                                      -and-
         (Mueller Trust, Jade Eagle Trust, and Aries hereinafter individually
         referred to as a or the "Vendor" and collectively referred to as the
         "Vendors")
                                      -and-
         (Lynn, and Mark (hereinafter individually referred to as the
         "Principal" and collectively referred to as the "Principals")

                                      -and-

         Essential Innovations Technology Corp., a corporation existing under
         the laws of the State of Nevada (hereinafter called the "Purchaser")

WHEREAS:

1.       PacGeo is the owner, of record and beneficially, of 100 Class A shares
         without par value and 100 Class C shares without par value of ESE;

2.       In aggregate the Vendors and Principals are the owners, of record and
         beneficially, of 1,000,001 Common shares without par value and 1,000
         Class B Preferred shares without par value in the capital of PacGeo and
         as a consequence of the foregoing, the Vendors and Principals are the
         direct owners, of record and beneficially, of all of the issued and
         outstanding shares of all classes in the capital of PacGeo;

                                      -1-
<PAGE>

3.       The Vendors, the Principals and Callon have agreed to sell and the
         Purchaser has agreed to purchase all of the issued and outstanding
         shares of PacGeo and the Shareholder's Loan (as hereinafter described)
         upon the terms and conditions hereinafter set out;

4.       The Mueller Family Trust, Jade Eagle Trust and Principals have agreed
         to jointly and severally guarantee the obligations of the Vendors;

5.       The Vendors, the Principals, Callon and the Purchaser entered into the
         Share Purchase Agreement dated February 8, 2006;

6.       The Vendors, the Principals, Callon and the Purchaser wish to amend
         that Share Purchase Agreement as set out below; and

7.       All the definitions are the same as in the Share Purchase Agreement.

NOW THEREFORE THIS AGREEMENT WITNESSES that in consideration of the respective
covenants herein contained and for other good and valuable consideration, the
receipt and sufficiency of which is acknowledged, the parties hereto agree as
follows:

1.       Transfer of Titles of Assets

         The Vendors, Principals and Callon shall cause such documents to be
         executed so that Mark or Icon Agency Ltd., as the case may be, shall
         transfer title of a 2002 Ford F150 S/C Laria purchased by Icon Agency
         Ltd. under an instalment contract, Ford F 250 Flat deck truck for pipe
         delivery; 2001 Custom Coach Travel Trailer for crew accommodations,
         which owned jointly by PacGeo and Mark as described in Schedule 3.1(u),
         which is attached to the Share Purchase Agreement dated February 8,
         2006 to the Purchaser free and clear of all charges and encumbrances to
         the Purchaser on the Closing Day.

2.       Share Purchase

         The balance of the share Purchase agreement shall remain in full force
         and effect.

3.       Closing

         The closing of the transactions contemplated herein shall take place at
         the Time of Closing, on the Closing Date, at the offices of the Vendors
         Solicitors or at such other place as may be agreed to in writing by the
         parties hereto.

4.       Interpretation

         All words and personal pronouns relating thereto shall be read and
         construed as the number and gender of the party or parties referred to
         in each case require and the verb shall be construed and agreeing with
         the required word and/or pronoun. The division of this Agreement into
         articles, sections, subsections and schedules and the provision of a
         table of contents are for convenience of reference only and shall not
         affect the interpretation or construction of this Agreement.

5.       Rules of Construction

         The parties hereto agree that they have been represented by counsel
         during the negotiation and execution of this Agreement and, therefore,
         waive the application of any law, regulation, holding or rule of
         construction providing that ambiguities in an agreement or other
         document will be construed against the party drafting such agreement or
         document.

                                      -2-
<PAGE>

6.       Expenses

         Save and except as otherwise provided herein, each party shall be
         responsible for its own legal, accounting and other expenses incurred
         in connection with the purchase and sale of the Purchased Shares and
         Shareholder's Loan, the completion of the transactions contemplated
         herein and any post-closing matters in connection with the transactions
         contemplated herein.

7.       Time of the Essence

         Time shall be of the essence of this Agreement and of every part hereof
         and no extension or variation of this Agreement shall operate as a
         waiver of this provision.

8.       Entire Agreement

         This Agreement, the Schedules hereto and the documents and instruments
         and other agreements among the parties hereto as contemplated by or
         referred to herein constitute the entire agreement among the parties
         hereto with respect to the subject matter hereof and supersede all
         prior agreements and understandings, both written and oral, among the
         parties (or among their respective counsel) with respect to the subject
         mater hereof including, without limitation, provided, however, that any
         confidentiality agreements, or confidentiality provisions contained in
         any agreements, executed between any of the parties hereto in
         connection with the transactions contemplated herein shall continue in
         full force and effect until the Time of Closing and shall survive any
         termination of this Agreement.

9.       Amendment

         This Agreement shall not be amended except in writing signed by all of
         the parties hereto, and any amendment hereof shall be null and void and
         shall not be binding upon any party which has not given its consent as
         aforesaid.

10.      Assignment

         No party hereto may assign this Agreement or any part hereof without
         the prior written consent of the other parties hereto. Subject to the
         foregoing, this Agreement shall enure to the benefit of and be binding
         upon the parties hereto and their respective heirs, executors,
         administrators, successors and assigns. The Vendors and Principals
         hereby acknowledge, confirm and consent to the Purchaser assigning this
         Agreement to any financial institutions as security for any credit
         facility by such institutions to the Purchaser or any Affiliate of the
         Purchaser; provided that: (i) save as set forth below such financial
         institutions shall in no way be liable for any of the liabilities or
         the obligations of the Purchaser hereunder and (ii) the Purchaser shall
         remain liable to the Vendors and Principals for their liabilities and
         obligations hereunder in the event of such assignment or to a
         subsidiary of the Purchaser. In connection with such assignment, the
         Vendors and Principals shall execute such assurances, instruments and
         consents as may be reasonably requested to confirm such assignment and
         such financial institution shall be entitled to enforce this Agreement
         directly against the Vendors and Principals. Notwithstanding anything
         else contained herein, in the event that any claim is made against the
         Vendors by any financial institution to which this Agreement has been
         assigned, the Vendors and Principals shall be entitled to avail
         themselves of any rights or entitlement they would have had if such
         claim had been brought by the Purchaser.

                                      -3-
<PAGE>

11.      Counterparts

         This Agreement may be executed and delivered (including by facsimile
         transmission) in one or more counterparts, all of which shall be
         considered one and the same agreement and shall become effective when
         one or more counterparts have been signed by each of the parties and
         delivered to the other parties, it being understood that all parties
         need not sign the same counterpart.

12.      Severability

         In the event that any of the representations, warranties or covenants
         or any portion of them contained in this Agreement are unenforceable or
         are declared invalid for any reason whatsoever, such unenforceability
         or invalidity shall not affect the enforceability or the validity of
         the remaining terms or portions thereof of this Agreement, and such
         unenforceable or invalid representation, warranty or covenant or
         portion thereof shall be severable from the remainder of this
         Agreement.

IN WITNESS WHEREOF the parties hereto have duly executed this Agreement as of
the date first above written.

SIGNED, SEALED AND DELIVERED by
MARK MCCOOEY in the presence of:       )

 /s/                                   )   /s/ Mark McCooey
------------------------------------   )  ---------------------------------
Witness                                )  MARK MCCOOEY
                                       )
SIGNED, SEALED AND DELIVERED by        )
LYNN MUELLER in the presence of:       )

 /s/                                   )   /s/ Lynn Mueller
------------------------------------   )  ---------------------------------
Witness                                )  LYNN MUELLER
                                       )
SIGNED, SEALED AND DELIVERED by        )
JADE EAGLE TRUST in the presence of:   )

 /s/                                   )   /s/ Mark McCooey
------------------------------------   )  ---------------------------------
Witness                                )  JADE EAGLE TRUST
                                       )
SIGNED, SEALED AND DELIVERED by        )
LYNN MUELLER in the presence of:       )

 /s/                                   )   /s/ Lynn Mueller
------------------------------------   )  ---------------------------------
Witness                                )  MUELLER FAMILY TRUST
                                       )
EXECUTED by ARIES DEVELOPMENT LTD.     )  ARIES DEVELOPMENT LTD.
in the presence of:                    )  Per:
                                       )
 /s/                                   )   /s/ Paul Callon
------------------------------------   )  ---------------------------------
Witness                                )  Authorized Signatory

                                      -4-
<PAGE>

SIGNED, SEALED AND DELIVERED by        )
PAUL CALLON in the presence of:        )
                                       )
 /s/                                   )   /s/ Paul Callon
------------------------------------   )  ---------------------------------
Witness                                )  PAUL CALLON
                                       )
EXECUTED by EARTH SOURCE ENERGY CORP.  )  EARTH SOURCE ENERGY CORP.
in the presence of:                    )  Per:

 /s/                                   )   /s/ Mark McCooey
------------------------------------   )  ---------------------------------
Witness                                )  Authorized Signatory
                                       )
                                       )
EXECUTED by PACIFIC GEO EXCHANGE INC.  )  PACIFIC GEO EXCHANGE INC.
in the presence of:                    )  Per:
                                       )
 /s/                                   )   /s/ Lynn Mueller
------------------------------------   )  ---------------------------------
Witness                                )  Authorized Signatory
                                       )
EXECUTED by ESSENTIAL INNOVATIONS      )  ESSENTIAL INNOVATIONS TECHNOLOGY CORP.
TECHNOLOGY CORP. in the presence of:   )  Per:
                                       )
 /s/                                   )   /s/ Jason McDiarmid
------------------------------------   )  --------------------------------
Witness                                )  Authorized Signatory

                                      -5-EARTH SOURCE ENERGY INC.
                                      -and-
                            PACIFIC GEO EXCHANGE INC.
                                      -and-
                              MUELLER FAMILY TRUST
                                      -and-
                                JADE EAGLE TRUST
                                      -and-
                             ARIES DEVELOPMENTS LTD.
                                      -and-
                                  LYNN MUELLER
                                      -and
                                  MARK MCCOOEY
                                      -and-
                                   PAUL CALLON
                                      -and-
                     ESSENTIAL INNOVATIONS TECHNOLOGY CORP.
                                      -and-
                           ESSENTIAL INNOVATIONS CORP.

                                 ADDENDUM #2 TO
                            SHARE PURCHASE AGREEMENT

<PAGE>
                     ADDENDUM #2 TO SHARE PURCHASE AGREEMENT

THIS ADDENDUM TO SHARE PURCHASE AGREEMENT made as of the 6th day of March, 2006,

BETWEEN:

         Earth Source Energy Inc., a corporation existing under the laws of the
         Province of British Columbia (hereinafter called "ESE")
                                      -and-
         Pacific Geo Exchange Inc., a corporation existing under the laws of the
         Province of British Columbia (hereinafter called "PacGeo")
                                      -and-
         Lynn Mueller of the Province of British Columbia (hereinafter called
         "Lynn")
                                      -and-
         Lynn Mueller, sole trustee of the Mueller Family Trust, a trust settled
         and constituted under the laws of the Province of British Columbia
         (hereinafter called the "Mueller Trust")
                                      -and-
         Mark McCooey of the Province of British Columbia (hereinafter called
         "Mark")
                                      -and-
         Mark McCooey, sole trustee of the Jade Eagle Trust, a trust settled and
         constituted under the laws of the Province of British Columbia
         (hereinafter called the "Jade Eagle Trust")
                                      -and-
         Aries Developments Ltd., a corporation existing under the laws of the
         Province of British Columbia (hereinafter called "Aries")
                                      -and-
         Paul Callon of the Province of British Columbia (hereinafter called
         "Callon")
                                      -and-
         (Mueller Trust, Jade Eagle Trust, and Aries hereinafter individually
         referred to as a or the "Vendor" and collectively referred to as the
         "Vendors")
                                      -and-
         (Lynn, and Mark (hereinafter individually referred to as the
         "Principal" and collectively referred to as the "Principals")
                                      -and-
         Essential Innovations Technology Corp., a corporation existing under
         the laws of the State of Nevada (hereinafter called the "Purchaser")

                                      -and-

         Essential Innovations Corp., a corporation existing under the federal
         laws of Canada (hereinafter called the "EI Canada")

WHEREAS:

A.       Each of the Vendors, the Principals, the Purchaser, ESE and PacGeo
         entered into a Share Purchase Agreement dated February 8, 2006 whereby
         the Purchaser agreed to purchase and the Vendors and the Principals
         agreed to sell all of their interest in PacGeo (the "SPA");

B.       Subsequent to the execution of the SPA, all of the parties agree to
         amend the SPA on the terms and conditions set out herein.

NOW THEREFORE THIS AGREEMENT WITNESSES that in consideration of the respective
covenants herein contained and for other good and valuable consideration, the
receipt and sufficiency of which is acknowledged, the parties hereto agree as
follows:

                                      -1-
<PAGE>

1.1      Definitions

         In addition to the words and phrases defined in the recitals or
         elsewhere in this Agreement, as used in this Agreement, in any
         documents to be executed and delivered pursuant to this Agreement and
         in any documents executed and delivered in connection with the
         completion of the transactions contemplated herein, unless otherwise
         defined herein, any capitalized terms herein shall have the meaning
         ascribed to them in the SPA.

1.2      Extension of Obligation to Pay Full Purchase Price

         Pursuant to paragraph 2.3(c) and (f) of the SPA, the Purchaser was
         obligated to pay to the Vendors and the Principals an aggregate of
         $760,000 in cash at the Time of Closing. The parties hereto have
         mutually agreed that the obligation to make such cash payment shall be
         postponed and the SPA shall be modified as follows:

         (a) paragraph 2.3(c) shall be deleted and replaced with the following:

                           "SIX HUNDRED AND FORTY FOUR THOUSAND Canadian dollars
                           (CDN$644,000.00) by way of a promissory note due and
                           payable on demand, provided that no such demand shall
                           be made prior to March 17, 2006, and deliverable to
                           the Vendors and the Principals at the Time of
                           Closing;"

         (b) paragraph 2.3(f) shall be deleted and replaced with the following:

                           "ONE HUNDRED SEVENTY FOUR THOUSAND Canadian dollars
                           (CDN $174,000.00) by issuance to the Vendors and
                           Principals on the Closing Date of such number of
                           common shares of the Purchaser that is equal to
                           $58,000.00 Canadian dollars divided by the Weighted
                           Average Price and by issuance to the Vendors and the
                           Principals of a promissory note in the amount of
                           $116,000 due and payable on demand provided that no
                           demand shall be made prior to March 17, 2006 (the
                           "Holdback 2"), such Purchaser's Shares and promissory
                           note to be delivered to the Escrow Agent, with the
                           understanding that upon payment of the amount owed
                           under the promissory note such payment shall be made
                           to the Escrow Agent to be held in accordance with the
                           terms of the Escrow Agreement."

         The Purchaser acknowledges and agrees that interest shall accrue on the
         unpaid balance owed under each the promissory notes described in this
         paragraph 1.2 at a rate of 10% interest per annum, calculated monthly,
         not in advance, commencing March 18, 2006.

1.3      Payment of Promissory Note

         The Purchaser acknowledges its obligation to pay the amounts due and
         owing under the promissory notes contemplated at paragraph 1.2 herein
         on or before March 17, 2006, without requirement for demand or notice
         from the Vendors or the Principals. If the Purchaser fails to make
         payment of the amounts due under such promissory notes on March 17,
         2006, the Vendors and the Principals shall have the option to either:

         (a)      accept the promissory notes in full satisfaction of the
                  Purchase Price, make demand for payment of all amounts due and
                  owing under such promissory notes and take all such steps and

                                      -2-
<PAGE>

                  actions as they determine appropriate and necessary to ensure
                  the full payment of the principal and all accrued but unpaid
                  interest on such promissory notes; or

         (b)      demand that the Purchaser and EI Canada return to the Vendors
                  all of the Purchased Shares and Shareholder's Loan in exchange
                  for the payment by the Vendors and the Principals to the
                  Purchaser of $250,000 of the $400,000 payment made pursuant to
                  the SPA and the delivery to the Purchaser of the promissory
                  notes referred to in paragraph 1.2 herein and all of the
                  common shares issued to the Vendors and the Principals
                  pursuant to paragraph 2.3 of the SPA.

         If the payment by the Purchaser of the promissory notes in the
         aggregate amount of $760,000 are not made by March 17, 2006, the
         Vendors and the Principals shall have until March 31, 2006 to provide
         written notice to the Purchaser of their election pursuant to this
         paragraph 1.3, and in the absence of providing written notice to the
         Purchaser by such date shall be deemed to have elected to accept the
         promissory notes in satisfaction of the balance of the Purchase Price
         as contemplated in paragraph 1.3 herein.

         Until such time as the Purchaser either pays to the Vendors and the
         Principals the $760,000 contemplated herein, or the Vendors and the
         Principals make the election contemplated in this paragraph 1.3 (the
         "Final Pymt Date"), the Purchaser and EI Canada shall not take any
         steps or take any actions in relation the business and affairs of
         PacGeo or ESE which would materially affect the business affairs of
         either such company, other than the provision of security by each of
         ESE and PacGeo to support the securing of sufficient funds by the
         Purchaser to effect payment of the Purchase Price. For greater
         certainty, until the Final Pymt Date the Purchaser and EI Canada shall
         not terminate the employment of any employees, change or modify the
         terms of any financing with the lenders to either PacGeo or ESE,
         modify, amend or compromise any of the arrangements with any customers
         or suppliers of ESE, or take any other actions which might materially
         affect the Vendors ability to continue to operate the Business upon
         exercise of the election pursuant to paragraph 1.3(b) herein, if made.

1.4      Amendment to Schedule 3.1 (r) of the Purchase Agreement

         Schedule 3.1(r) is hereby deleted and replaced with the following:

                  "SCHEDULE 3.1(r)
                  Related Party Indebtedness

                  As of December 31, 2005, the following amounts were
                  outstanding in respect of shareholder loans:

                  Owing from (to) Pacific Geo Exchange Inc.:

                  Paul Callon                                 $   79,314.00
                                                              -------------

                  Total Consolidated Loan Balance:            $   79,314.00
                  --------------------------------

1.5      Severability

         Should any part of this Agreement be declared or held invalid for any
         reason, such invalidity shall not affect the validity of the remainder
         which shall continue in force and effect and be construed as if this
         Agreement had been executed without the invalid portion and it is

                                      -3-
<PAGE>

         hereby declared the intention of the parties hereto that this Agreement
         would have been executed without reference to any portion which may,
         for any reason, be hereafter declared or held invalid.

1.6      Counterparts Execution

         This Agreement may be executed in as many counterparts and by facsimile
         transmission as may be necessary and each of which so signed will be
         deemed to be an original and such counterparts and facsimile
         transmissions together will constitute one and the same instrument and
         notwithstanding the date of execution will be deemed to bear the date
         set forth above.

IN WITNESS WHEREOF the parties hereto have duly executed this Agreement as of
the date first above written.

SIGNED, SEALED AND DELIVERED by
MARK MCCOOEY in the presence of:        )

 /s/                                    )  /s/ Mark McCooey
------------------------------------    ) ---------------------------------
Witness                                 ) MARK MCCOOEY
                                        )
SIGNED, SEALED AND DELIVERED by         )
LYNN MUELLER in the presence of:        )

 /s/                                    )  /s/ Lynn Mueller
------------------------------------    ) ---------------------------------
Witness                                 ) LYNN MUELLER
                                        )
SIGNED, SEALED AND DELIVERED by         )
JADE EAGLE TRUST in the presence of:    )

 /s/                                    )  /s/ Mark McCooey
------------------------------------    ) ---------------------------------
Witness                                 ) JADE EAGLE TRUST
                                        )
SIGNED, SEALED AND DELIVERED by         )
LYNN MUELLER in the presence of:        )

 /s/                                    )  /s/ Lynn Mueller
------------------------------------    ) ---------------------------------
Witness                                 ) MUELLER FAMILY TRUST
                                        )
EXECUTED by ARIES DEVELOPMENT LTD.      ) ARIES DEVELOPMENT LTD.
in the presence of:                     ) Per:

 /s/                                    )  /s/ Paul Callon
------------------------------------    ) ----------------------------------
Witness                                 ) Authorized Signatory
                                        )
                                        )
SIGNED, SEALED AND DELIVERED by         )
PAUL CALLON in the presence of:         )

 /s/                                    )  /s/ Paul Callon
------------------------------------    ) ---------------------------------
Witness                                 ) PAUL CALLON

                                      -4-
<PAGE>

EXECUTED by EARTH SOURCE ENERGY CORP.   ) EARTH SOURCE ENERGY CORP.
in the presence of:                     ) Per:

 /s/                                    )  /s/ Mark McCooey
------------------------------------    ) --------------------------------
Witness                                 ) Authorized Signatory
                                        )
EXECUTED by PACIFIC GEO EXCHANGE INC.   ) PACIFIC GEO EXCHANGE INC.
in the presence of:                     ) Per:

 /s/                                    )  /s/ Lynn Mueller
------------------------------------    ) --------------------------------
Witness                                 ) Authorized Signatory
                                        )
EXECUTED by ESSENTIAL INNOVATIONS       ) ESSENTIAL INNOVATIONS TECHNOLOGY CORP.
TECHNOLOGY CORP. in the presence of:    ) Per:

 /s/                                    )  /s/ Jason McDiarmid
------------------------------------    ) --------------------------------
Witness                                 ) Authorized Signatory
                                        )
                                        )
EXECUTED by ESSENTIAL INNOVATIONS CORP. ) ESSENTIAL INNOVATIONS CORP.
in the presence of:                     ) Per:

 /s/                                    )  /s/ Jason McDiarmid
------------------------------------    ) --------------------------------
Witness                                 ) Authorized Signatory

                                      -5-

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