Document:

Exhibit 10.03

                           THIS AGREEMENT is made the
                             9th day of April, 2002

           __________________________________________________________

                  BETWEEN:
                              SOTA INSTRUMENTS INC.
                                OF THE FIRST PART
                  AND:
                       ESSENTIAL INNOVATIONS ASIA LIMITED
                               OF THE SECOND PART
                                      AND:
                  ESSENTIAL INNOVATIONS TECHNOLOGY CORPORATION
                                OF THE THIRD PART

           __________________________________________________________

                        INTERNATIONAL MARKETING AGREEMENT
           __________________________________________________________

                                  DAVID J. GOAR
                               Gibraltar Law Group
                               Gibraltar Building
                            #102-418 St. Paul Street
                              Kamloops, BC V2C 2J6

                                     DJG:dew

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                        INTERNATIONAL MARKETING AGREEMENT

                  THIS AGREEMENT is made the 9th day of April, 2002:
BETWEEN:

                  SOTA INSTRUMENTS INC., a company incorporated pursuant to the
                  laws of the Province of British Columbia and having its head
                  office and chief place of business situate at P.O. Box 1269,
                  Revelstoke, British Columbia, V0E 2S0;

                  (herein called "Sota")
OF THE FIRST PART
AND:
                  ESSENTIAL INNOVATIONS ASIA LIMITED, a company incorporated
                  pursuant to the laws of Hong Kong and having its head office
                  and chief place of business situate at 1805 Wheelock House, 20
                  Pedder Street, Central, Hong Kong:

                  (herein called "El Asia")
OF THE SECOND PART
AND:
                  ESSENTIAL INNOVATIONS TECHNOLOGY CORPORATION, a company
                  incorporated pursuant to the laws of the state of Nevada and
                  having its head office and chief place of business situate at
                  #200, 10125 199B Street, Langley, British Columbia, V1M 3W9

                  (herein called "E.I. Tech")
OF THE THIRD PART
RECITALS:

A. WHEREAS Sota, a private company engaged in the business of manufacturing and
marketing, on both a retail and wholesale basis, proprietary health care
products, including integrated microcurrent devices and other products based
upon electricity, for the natural health market (known collectively as "Sota
Products"), wishes to increase and develop its business in the global
marketplace by establishing and enhancing a network of dealers;

B. AND WHEREAS El Asia, a private company engaged in the international marketing
of natural health products, possesses the requisite expertise, through the
office of its President, Jason McDiarmid, to assist Sota in achieving these
objectives;

C. AND WHEREAS Sota is prepared to grant El Asia the opportunity to earn the
right to exclusively market the Sota Products in countries, other than Canada
and the United States of America, in which stipulated sales targets are achieved
and maintained within a certain timeframe as set out herein;

D. AND WHEREAS the parties intend, through this Agreement, to record their
respective rights and responsibilities in the establishment and development of
an international network of dealers for Sota Products;

                  NOW THEREFORE THIS AGREEMENT WITNESSETH that in consideration
of the premises and covenants, agreements, representations, warranties and
payments hereinafter set out, the parties hereto covenant and agree as follows:

1. DEFINITIONS:

         1.01. In this Agreement, the following terms have the following
ascribed meanings:

         (a)      "Dealer" means an authorized seller of Sota Products who has
                  signed an Authorized Dealer Agreement with Sota or a Master
                  Dealer;

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         (b)      "Effective Date" shall mean the date this Agreement is signed;

         (c)      "Inclusion Date" shall mean, respectively, for each
                  Participating Country, that date on which the name of such
                  country is added to the List of Participating Countries
                  appended as Schedule "A" to this Agreement;

         (d)      "Master Dealer" shall mean that Dealer for each Participating
                  Country which El Asia, with the written consent of Sota, has
                  appointed as a Master Dealer and which has concluded a Master
                  Dealer Agreement with Sota;

         (e)      "Net Sales," with respect to sales to Dealers in a
                  Participating Country, shall mean gross sales at established
                  Master Dealer Pricing Levels for such Participating Country
                  less returns, discounts, allowances, bad debts and such other
                  adjustments as may be made in calculating net sales consistent
                  with generally accepted accounting principles;

         (f)      "Participating Country" means a country, other than Canada or
                  the United States of America, which El Asia elects, by the
                  appointment of a Master Dealer, to add to the countries which
                  are subject to this Agreement by adding the name of such
                  country to the List of Participating Countries attached hereto
                  as Schedule "A";

         (g)      "Unit" shall mean a single Sota Device, with the exception of
                  any of Sota's devices manufactured with the intent of
                  marketing in third world countries.

2. SCOPE:

         2.01. Sota has, prior to the date hereof, developed the Sota Products
and established a business enterprise involving the manufacture and marketing of
Sota Products directly, as well as through a network of distributors,
principally in Canada and the United States of America. This existing business
enterprise, except as may be specifically addressed herein, is not the subject
of this Agreement. This Agreement addresses the creation, development and
operation of an international network of Dealers for Sota Products in countries
other than Canada and the United States of America.

         2.02. Except as may be specifically limited by the terms of this
Agreement, Sota is to retain full autonomy and responsibility for the operation
and development of the pre-existing business enterprise.

         2.03 is acknowledged and agreed by both Sota and E. I. Asia that the
international network of Dealers for Sota Products established under this
Agreement shall not be used by either, independently, to promote or advance the
sale of products or services other than the Sota Products.

3. PREMISE:

         3.01. This Agreement is premised upon the personal relationship between
Russell Torlage, President of Sota, and Jason McDiarmid, President of El Asia,
and is founded upon the understanding that Jason McDiarmid will be and remain
the person in charge of the development, operation and management of an
international network of Dealers for Sota Products. Should Jason McDiarmid leave
his employ with El Asia or cease to be the person so in charge, El Asia shall
propose a suitable person to assume responsibility for the development,
operation and management of the international network of Dealers and, with the

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consent of Sota such person shall assume those responsibilities. If, after the
appointment of such person, Sota is dissatisfied with that person's performance
Sota will then give written notice outlining the reasons Sota is dissatisfied.
For a period of ninety (90) days from receiving written notice, El Asia will
have the opportunity to satisfy Sota's concerns. If after ninety (90) days Sota
is still dissatisfied, then Sota will have the right to terminate this Agreement
upon providing thirty (30) days written notice.

4. DEVELOPMENT OF INTERNATIONAL NETWORK OF DEAL:

         4.01. El Asia agrees to endeavour to establish an international network
of Dealers.

         4.02. The procedure to be employed by El Asia in endeavouring to
establish an international network of Dealers shall be:

         (a)      when El Asia has selected a Master Dealer for a country and
                  such Master Dealer has concluded a Master Dealer Agreement
                  with Sota, such country shall be added to Schedule "A" as a
                  Participating Country;

         (b)      the Master Dealer will recruit and engage other Dealers who
                  will each sign an Authorized Dealer Agreement with its Master
                  Dealer;

         (c)      Sota and El Asia will develop a Master Dealer Price List of
                  Sota Products for that Participating Country which shall be
                  provided to the Master Dealer and shall govern the prices at
                  which Sota Products shall be provided by Sota to the Master
                  Dealer. Sota reserves the right to change the Master Dealer
                  Price List if its cost of producing and delivering Sota
                  Products warrant a change. Sota agrees to provide thirty (30)
                  days written notice to El Asia before implementing price
                  changes.

                  Sota and El Asia acknowledge and agree that, with respect to
                  certain third world countries, the Master Dealer prices may
                  have to be established, initially, at levels which are at or
                  near the delivered cost of Sota Products to Sota. In order for
                  this to happen, both Sota and El Asia must jointly agree. In
                  these circumstances, Sota and El Asia agree that it may be
                  necessary to renegotiate, with respect to sales concluded in
                  that Participating Country, the rates at which El Asia's
                  commission is to be calculated and paid.

         (d)      Sota agrees to provide Sota Products to the Master Dealer at
                  the prices set out in the Master Dealer Price List for that
                  Participating Country, and the Master Dealer and Sota shall
                  each maintain records of the amount of Sota Products provided
                  to the Master Dealer and the price paid for all Sota Products
                  on a monthly basis;

         (e)      the Master Dealer and other Dealers shall market and sell Sota
                  Products in their Participating Country only.

5. SOTA'S RIGHTS AND RESPONSIBILITIES:

         5.01. Sota shall be free to continue to market Sota Products globally
in such manner as it sees fit.

         5.02. Should Sota be approached by a person or company wishing to be
appointed as a Master Dealer in a certain country, Sota shall refer such person
or company to El Asia for consideration.

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         5.03. Sota agrees, to the best of its liabilities, to fill orders
received from Master Dealers, and to provide product and technical support,
marketing and promotional materials, and current information respecting Sota
Products. Sota's responsibilities to provide such support, information and
materials shall be limited to providing English language support, information
and materials. El Asia, Master Dealers and Dealers, shall be entitled to use
marketing and promotional materials published and provided by Sota and to
represent themselves as authorized sellers of Sota Products in their
Participating Countries, but, in so doing, shall respect and honour Sota's
intellectual property rights in the Sota Products and copywrited materials,
trademarks and trade names. Nothing herein, however, shall grant El Asia, its
Master Dealers, or Dealers, any right, title, or interest in Sota's trademarks,
trade names or other intellectual property. At no time during or after the term
of this Agreement shall El Asia, Master Dealers or Dealers challenge or assist
others to challenge Sota's trademarks, trade names or other intellectual
property or the registration thereof, or attempt to register any trademarks,
marks or trade names confusingly similar to those of Sota.

         5.04. Should El Asia or any of its Master Dealers or Dealers develop
marketing and promotional materials for use in advertising and promoting the
Sota Products, such marketing and promotional materials must be specifically
approved by Sota before they are published or distributed.

6. COMMISSION:

         6.01. Sota shall first become obligated to pay El Asia commissions on
the sale of Sota Products to Master Dealers in a Participating Country on the
earlier of the date of the first sale of Sota Products to a Master Dealer or
that day which is six months from the Inclusion Date for the Participating
Country (which date, for each Participating Country, shall be called the "Start
Date".)

         6.02. Sota agrees to pay El Asia commission based upon Net Sales in a
Participating Country at the following rates:

         (a)      20% of Net Sales for the first year following the Start Date;

         (b)      15% of Net Sales for the second year following the Start Date;
                  and

         (c)      5% of Net Safes after the end of the second year following the
                  Start Date.

         6.03. Sota shall have the right to set forth cash discounts, to make
such allowances and adjustments, to accept such returns from its customers, and
to write off as bad debts such overdue customer accounts as it deems advisable.
Sota shall be entitled to charge back to El Asia any amounts previously paid or
credited as commission with respect to such cash discounts, allowances,
adjustments, returned items or bad debts. Sota, however, agrees that the amount
of any cash discount provided to a customer and charged back to El Asia's
commission, shall not exceed 5% of the sale price.

         6.03. Sota agrees to pay El Asia commission based upon Net Sales of
7.5% for orders with a minimum of 50 of anyone of Sota's devices in countries
other than Participating Countries of 7.5% on such sales that El Asia initiates.

         6.04. Upon El Asia meeting, and while it continues to meet, all
requirements set out in subparagraph 8.02(d), Sota shall pay El Asia a
commission based upon Net Sales for orders in countries other than Canada, the
United States of America and Participating Countries of 5%.

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7. PAYMENT OF COMMISSION:

         7.01. Sota agrees to pay El Asia commissions earned for each month
within thirty (30) days of the end of such month.

         7.02. Within thirty (30) days of the end of each month, Sota shall
deliver to El Asia its calculation of Net Sales for each Participating Country
for such month showing both the gross revenue received from the sale of Sota
Products and all costs, expenses and adjustments appropriately particularized,
deducted in arriving at Net Sales for such month, together with its cheque,
payable to El Asia, for the commission earned.

         7.03. For a period of sixty (60) days following receipt of such
calculation, El Asia shall have the right to question Sota's calculation by
delivering to Sota written notice that it is questioning the calculation. Upon
receipt of such notice, Sota will provide to El Asia copies of all transaction
records, invoices and other documents supporting its calculation. Should El Asia
not deliver written notice within such sixty (60) day period, Sota's calculation
shall be deemed to be correct, and may not, thereafter, be challenged.

         7.04. Should El Asia notify Sota that it continues to question Sota's
calculations upon a review of the documents from Sota, Sota's calculations of
Net Sales for the Participating Country or Countries questioned, together with
copies of all transaction records, invoices and other supporting documents,
shall be submitted to an independent chartered accountant acceptable to both
Sota and El Asia, whose assessment and ultimate determination of Net Sales for
the said Participating Country or Countries, shall be final and binding.

         7.05. Should the determination of such independent chartered accountant
be within 5% of Sota's calculation of Net Sales, the cost of his review will be
for the account of El Asia; otherwise, it will be paid by Sota.

8. EXCLUSIVE MARKETING RIGHTS:

         8.01. In a Participating Country:

         (a)      In order to earn the exclusive right to market Sota Products
                  in a Participating Country, El Asia, the Master Dealer and
                  Dealers must sell at least 10,000 Units over any six (6) month
                  period within eighteen (18) months of the Start Date for that
                  Participating Country;

         (b)      in order to continue to enjoy the Exclusive right to market
                  Sota Products in a Participating Country, El Asia, the Master
                  Dealer and Dealers, must continue to sell at least 10,000
                  Units over every six (6) month period, after the six (6) month
                  period in which such right was earned;

         (c)      Upon El Asia establishing a new Participating Country, and
                  while El Asia and the Master Dealer meet, and while they
                  continue to meet, all requirements set out in subparagraph
                  8.01(a), Sota shall instruct its own dealers and customers in
                  that Participating Country to place all future orders through
                  the Master Dealer.

         8.02. Globally:

         In order to earn the exclusive right to market Sota Products in all
countries, except Canada and the United States of America. El Asia must:

         (a)      within eighteen (18) months of the Effective Date, earn and
                  maintain the exclusive right to sell Sota Products in at least
                  one Participating Country;

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         (b)      within two (2) years of the Effective Date, earn and maintain
                  the exclusive right to sell Sota Products in at least three
                  (3) Participating Countries;

         (c)      within three (3) years of the Effective Date, earn and
                  maintain the exclusive right to sell Sota Products in at least
                  five (5) Participating Countries; and

         (d)      within five (5) years of the Effective Date, earn and maintain
                  the exclusive right to sell Sota Products in at least ten (10)
                  Participating Countries.

         8.03. Upon El Asia meeting, and while it continues to meet, all
requirements set out in subparagraphs 8.02(a), (b), (c) and (d), El Asia will
have earned the exclusive right to market Sota Products in all countries except
Canada and the United States of America, and shall maintain such exclusive right
as long as it continues to satisfy the requirements of paragraph 8.02(d).

9. SOTA'S SHARE PURCHASE OPTION:

         9.01. As consideration for the rights and opportunities granted to it
by Sota hereunder, E.I. Tech, El Asia's parent corporation hereby grants to
Sota, while this Agreement persists, an option to purchase all or any portion of
200,000 common shares of E.I. Tech from treasury at the price of $0.25 U.S. per
share according to the following timetable:

         (a)      after one (1) year from the Effective Date, Sota may purchase
                  up to 50,000 shares of E.I. Tech;

         (b)      after two (2) years from the Effective Date, Sota may purchase
                  up to an additional 50,000 shares of E.I. Tech; and

         (c)      after three (3) years from the Effective Date, Sota may
                  purchase up to an additional 100,000 shares of E.I. Tech.

         9.02. This option is exercisable by Sota providing notice in writing to
E.I. Tech accompanied by a certified cheque in favour of E.I. Tech for the full
amount of the purchase price, in U.S. dollars, of the shares being then
purchased. When such payment is received, E.I. Tech covenants and agrees to
issue and deliver to Sota share certificates in the name of Sota for the number
of shares so purchased.

         9.03. This option shall not be transferable or assignable by Sota.

         9.04. In the event of any subdivision, consolidation or other change in
the share capital of E.I. Tech while any portion of this option is outstanding,
the number of shares under option to Sota and the price therefore shall be
adjusted in accordance with such subdivision, consolidation or other change in
the share capital of E.I. Tech.

         9.05. E.I. Tech covenants and agrees that it will reserve in its
treasury sufficient shares to permit the issuance and allotment of shares to
Sota in the event this option is exercised.

         9.06. Should this Agreement be terminated, the share purchase option
herein granted shall also immediately terminate.

10. TERMINATION:

         10.01. Target Default:

         Should El Asia fail to achieve any of the targets set out in paragraphs
8.02.(a), (b), (c) and (d) within the time limits therein specified, Sota shall
be entitled to terminate this Agreement provided that:

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         (a)      it shall have first given to El Asia a Notice of Default
                  containing particulars of the target which El Asia has failed
                  to meet; and

         (b)      El Asia does not, within thirty (30) days following the
                  delivery of such Notice, provide Sota with verification that
                  it has achieved such target.

         10.02. Other Default:

         The parties hereto agree that if either of them is in default with
respect to any of the other provisions of this Agreement, the Non-Defaulting
Party may give notice to the Defaulting party specifically designating such
default, and within sixty (60) days after its receipt of such notice, the
Defaulting Party shall either:

         (a)      cure such default, or commence proceedings to cure such
                  default and prosecute the same to completion without undue
                  delay; or

         (b)      give the Non-Defaulting Party notice that it denies such
                  default has occurred and is submitting the question to
                  arbitration as herein provided.

         If arbitration is sought, a party shall not be deemed in default until
the matter shall have been determined finally by appropriate arbitration under
the provisions of paragraph 12 hereof.

         If:

         (a)      the default is not so cured or a commencement made on
                  proceedings to cure it, and

         (b)      arbitration is not so sought; or the Defaulting Party is found
                  in arbitration proceedings to be in default, and fails to cure
                  it or commence proceedings to cure it within sixty (60) days
                  after tile rendering of the arbitration award;

the Non-Defaulting Party shall be entitled to seek any remedy it may have on
account of such default.

         10.03. El Asia's Termination:

         El Asia shall be entitled to terminate this Agreement by providing Sota
with thirty (30) days written notice of its intention to do so.

         10.04. Termination for Insolvency:

                  This Agreement shall terminate, without notice:

         (a)      upon the institution by or against either El Asia or Sota of
                  insolvency, receivership or bankruptcy proceedings or any
                  other proceedings for the settlement of debts; and

         (b)      upon either El Asia or Sota making an assignment for the
                  benefit of its creditors; and

         (c)      upon the initiation of dissolution proceedings respecting
                  either El Asia or Sota.

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         10.05. Consequences of Termination:

         Following termination, El Asia shall no longer have the exclusive right
to market Sota Products in any country. El Asia shall, however, continue to be
entitled to receive a commission equal to 5% of the net sales in a Participating
Country in which Master Dealers recruited and engaged by El Asia continue to
sell at least 10,000 Units over every six (6) month period after the six (6)
month period in which at least 10,000 Units were originally sold or as long as
Sota chooses to continue selling to the Master Dealer.

         10.06. Return of Materials:

         Upon termination, El Asia shall no longer represent itself as an
authorized seller of Sota Products and shall immediately return to Sota all
marketing and promotional materials previously used in advertising and promoting
Sota Products. El Asia shall not make or retain any copies of any confidential
items, materials or information that may have been entrusted to it, and shall
cease to use all trademarks, marks and trade names of Sota.

         10.07. Limitation on Liability:

         In the event of termination by either party in accordance with any of
the provisions of this Agreement, neither party shall be liable to the other
because of the termination for compensation, reimbursement or damages on account
of the loss of prospective profits or anticipated sales or on account of
expenditures, investments, leases or commitments made in connection with the
business or goodwill of Sota or El Asia. Sota's sole liability, under the terms
of this Agreement shall be for any unpaid commissions under sections 6 and
10.05.

11. CANADIAN AND UNITED STATES MARKETS -El ASIA'S RIGHT OF FIRST REFUSAL:

         11.01. Although this Agreement and the relationship created between
Sota and El Asia concerns the creation, development and operation of an
international network of Dealers for Sota Products in countries other than
Canada and the United :States of America, Sota agrees that should El Asia earn
and maintain the exclusive right to market Sota Products in all countries except
Canada and the United States of America as described in subparagraph 8.03(c)
hereof, Sota will grant to El Asia a Right of First Refusal respecting the
acquisition of the exclusive right to market Sota Products in Canada and the
United States of America.

         11.02. El Asia's Right of First Refusal shall be exercised upon the
following terms:

         (a)      if Sota should receive a bona fide offer from an independent
                  third party (the "Proposed Purchaser") dealing at ,arm's
                  length with Sota to purchase the right to exclusively market
                  Sota Products in Canada and the United States of America
                  (herein called "Marketing Rights") which offer Sota desires to
                  accept, or if Sota intends to sell the Marketing Rights, Sota
                  shall first offer (the "Offer") the Marketing Rights in
                  writing to El Asia upon terms no less favourable than those
                  offered by the Proposed Purchaser or intended to be offered by
                  Sota as the case may be. The Offer shall specify the price and
                  terms and conditions of sale, the name of the Proposed
                  Purchaser, which terms shall, in the case of an intended offer
                  by Sota, mean the person or persons to whom Sota intends to
                  offer the Marketing Rights, and, if the Offer received by Sota
                  from the Proposed Purchaser provides for any consideration
                  payable to Sota otherwise than in cash, the Offer shall
                  include Sota's good faith estimate of the cash equivalent of
                  the non-cash consideration;

<PAGE>

         (b)      if, within a period of thirty (30) days of the receipt of the
                  Offer, El Asia notifies Sota in writing that it will accept
                  same, Sota shall be bound to sell such Marketing Rights to El
                  Asia (subject as hereinafter provided with respect to price)
                  on the terms and conditions of the Offer. If the Offer so
                  accepted by El Asia contains Sota's good faith estimate of the
                  cash equivalent consideration as aforesaid, and if El Asia
                  disagrees with Sota's best estimate, El Asia shall so notify
                  Sota at the time of acceptance, and shall, in such notice,
                  specify what it considers, in good faith, to be the fair cash
                  equivalent and the resulting total purchase price. If El Asia
                  so notifies Sota, the acceptance by El Asia shall be effective
                  and binding upon Sota, and El Asia, and the cash equivalent of
                  any non-cash consideration shall be determined by binding
                  arbitration under the Commercial Arbitration Act of British
                  Columbia pursuant to paragraph 12, and shall be payable to
                  Sota, subject to prepayment as hereinafter provided, within
                  ten (10) days following its determination by arbitration. El
                  Asia shall, in such case, pay to Sota, against receipt of an
                  absolute transfer of the Marketing Rights, the total purchase
                  price which is specified in its notice to Sota, and such
                  amount shall be credited to the amount determined following
                  arbitration of the cash equivalent of any non-cash
                  consideration;

         (c)      if El Asia fails to notify Sota before the expiration of the
                  time limited therefor that it will purchase the Marketing
                  Rights offered, Sota may sell and transfer such Marketing
                  Rights to the Proposed Purchaser at the price and on the terms
                  and conditions specified in the Offer for a period of sixty
                  (60) days, PROVIDED that the terms of this paragraph shall
                  again apply to such Marketing Rights if the sale to the
                  Proposed Purchaser is not completed within the said sixty (60)
                  days.

12. DISPUTE RESOLUTION:

         12.01. Mediation:

         Should any dispute, other than a dispute respecting the calculation of
Net Sales which shall be resolved in accordance with the procedure established
in paragraph 7, arise between Sota and El Asia respecting the interpretation or
application of any provision of this Agreement or the relationship between Sota
and El Asia hereby established, the parties agree to first attempt to resolve
the dispute by participating, in good faith, in a mediation of the contentious
matter conducted by a professional mediator acceptable to both. The appointment
of such professional mediator, and the conduct of the mediation, shall occur as
soon as practicable.

         12.02. Arbitration:

         Should such mediation fail to resolve the outstanding dispute between
Sota and El Asia, the parties agree to submit such dispute for the determination
of a single arbitrator, whose appointment shall be mutually agreed upon. Sota
and El Asia each agree to bear their own legal and other costs of such
arbitration, and further agree that the determination and award of the
arbitrator shall be accepted and respected as final and binding.

13. CONFIDENTIALITY AND NON-COMPETITION:

         13.01. El Asia acknowledges that, by reason of its relationship to Sota
hereunder, it will have access to certain information and materials concerning
Sota's Products, technology, business plans and customers which is confidential
and of substantial value to Sota, which value would be impaired if such

<PAGE>

information were disclosed to third parties. El Asia agrees that it shall not
use, in any way, for its own account or the account of any third party, nor
disclose to any third party, any such confidential information revealed to it by
Sota. El Asia shall not publish any technical description of the Sota Products
beyond the description published by Sota. During the term of this Agreement and
upon termination of this Agreement, El Asia shall neither use nor disclose any
confidential information of Sota, nor shall it manufacture or assist another to
manufacture any devices, components or assemblies using Sota's patents,
inventions, copyrights, know-how, trade secrets or other intellectual property.
At no time during the term of or after the termination of this Agreement shall
El Asia challenge or assist others to challenge Sota's trademarks or the
registration thereof or attempt to register any trademarks, marks or trade names
confusingly similar to those of Sota.

14. STATUS OF PARTIES:

         14.01. El Asia enters into this contract and undertakes its
responsibilities hereunder as an independent contractor, and nothing contained
in this Agreement shall be construed to:

         (a)      give either party the power to direct and control the
                  day-to-day activities of the other;

         (b)      constitute the parties as partners, joint venturers, co-owners
                  or otherwise, or

         (c)      allow El Asia to create or assume any obligation on behalf of
                  Sota for any purpose whatsoever. El Asia, Master Dealers and
                  Dealers hereunder are not employees of Sota, and El Asia shall
                  be responsible for paying all income taxes and other taxes
                  charged to El Asia on amounts earned hereunder. All financial
                  and other obligations associated with El Asia's business are
                  the sole responsibility of El Asia.

15. LIMITATION OF LIABILITY:

         15.01. In the event of termination by either party in accordance with
any of the provisions of this Agreement, neither party shall be liable to the
other, because of the termination, for compensation, reimbursement or damages on
account of the loss of prospective profits or anticipated sales or on account of
expenditures, investments, leases or commitments in connection with the business
or goodwill of Sota or El Asia.

16. INDEMNIFICATION:

         16.01. Indemnification by El Asia:

         El Asia shall indemnify and hold Sota free and harmless from any and
all claims, damages, charges, expenses, suits or actions arising out of the
negligence or misrepresentation of El Asia.

         16.02. Indemnification of Sota:

         Sota shall indemnify and hold El Asia, free and harmless from any and
all claims, damages, charges, expenses, suits or actions arising out of defects
in the Sota Products caused by Sota or failure of Sota to provide any Sota
Products to a customer that has properly ordered through a Master Dealer or
Dealer, or its negligence or misrepresentation.

<PAGE>

17. NOTIFICATION OF MATERIAL CHANGES:

         17.01. Both El Asia and Sota shall promptly advise the other of any
material changes in their status, organization, personnel, including any changes
in the key personnel and status of the relationship with any major customers of
either of them, and any political, financial, legislative, industrial or other
events which could effect the mutual business interests of Sota and El Asia,
whether harmful or beneficial.

18. AMENDMENTS:

         18.01. If, at any time during the currency of this Agreement, the
parties hereto shall both consider it necessary or expedient to make any
amendment or addition to this Agreement, they shall do so by means of a
supplemental written Agreement between them, executed in the same manner as this
Agreement.

19. ASSIGNMENT:

         19.01. Neither Sota nor El Asia shall have the right to assign any of
their respective rights or obligations under this Agreement to any other party
without first having obtained the written consent of the other.

20. FORCE MAJEURE:

         20.01. Neither of the parties hereto shall be deemed to be in default
in respect of non-performance of obligations or responsibilities hereunder if
and so long as its non-performance is due to any cause beyond its control. Lack
of finances, however, shall in no event be deemed to be a cause beyond a party's
control. Any party prevented from carrying out any obligation by force majeure
shall promptly give the other party notice of the force majeure, including
reasonably full particulars thereof. A party shall use reasonable diligence to
remedy a force majeure and complete its obligations or responsibilities
hereunder as conscientiously as possible.

21. HEADINGS:

         21.01. Headings used in this Agreement are provided for convenience
only, and shall not be used to construe meaning or intent.

22. ENTIRE AGREEMENT:

         22.01. This Agreement sets forth the entire agreement and understanding
of the parties relating to the subject matter herein, and supersedes any prior
discussions or agreements between them. No modification of or amendment to this
Agreement, nor any waiver of any rights under this Agreement, shall be effective
unless in writing signed by the party to be charged.

23. WAIVER:

         23.01. The failure of Sota to exercise its right to terminate this
Agreement when entitled to do so hereunder shall not be construed as a waiver of
the circumstances giving it the right to so terminate, nor shall it restrict, in
any way, the right of Sota to subsequently terminate this Agreement while those
circumstances persist or in the event other circumstances giving Sota the right
to terminate this Agreement should arise subsequently.

24. SEVERABILITY:

         24.01. If any provision of this Agreement is held to be invalid, the
remaining provisions shall nevertheless remain in full force and effect.

<PAGE>

25. NOTICE:

         25.01. Any notice required or permitted hereunder shall be sufficiently
given if delivered or sent by registered mail, postage prepaid to the parties
hereto at the address above indicated or such other address as the parties may
from time to time designate for themselves in writing, and such notice so
delivered by hand or cabled, telegrammed, telegraphed, telefaxed or mailed shall
be deemed to have been received at the time of delivery or at the latest on the
business day following the cabling, telegramming, telegraphing or telefaxing, or
on the fourth business day following the mailing thereof.

26. COUNTERPARTS:

         26.01. This Agreement may be signed in counterparts. Copies of this
Agreement, each signed by one or more of the parties hereto, shall, together
with copies signed by all other parties, constitute a complete Agreement.

27. APPLICABLE LAW:

         27.01. This Agreement shall be interpreted and construed in accordance
with the laws of the Province of Alberta and the laws of Canada applicable
therein.

28. TIME OF ESSENCE:

         28.01. Time shall be of the essence of this Agreement.

         IN WITNESS WHEREOF the parties hereto have executed this Agreement on
the day and year first above written.

The Corporate Seal of Sota Instruments Inc.                  )
was hereunto affixed in the presence of:                     )
                                                             )
/s/ (unintelligible)                                         )         C/S
-------------------------------------                        )
Authorized Signatory                                         )
                                                             )
/s/ (unintelligible)                                         )
-------------------------------------                        )
Authorized Signatory                                         )

The Corporate Seal of Essential Innovations                  )
Asia Limited was hereunto affixed in the presence            )
of:                                                          )
                                                             )
/s/ Jason McDiarmid                                          )         C/S
-------------------------------------                        )
Authorized Signatory                                         )
                                                             )
                                                             )
Authorized Signatory                                         )

The Corporate Seal of Essential Innovations                  )
Technology Corporation was hereunto                          )
affixed in the presence of:                                  )
                                                             )
/s/ Jason McDiarmid                                          )         C/S
-------------------------------------                        )
Authorized Signatory                                         )
                                                             )
/s/ Steve Wuschke                                            )
-------------------------------------                        )
Authorized Signatory                                         )

<PAGE>

                                  SCHEDULE "A"

                         LIST OF PARTICIPATING COUNTRIESExhibit 10.04

                   [Crown Plaza Executive Office Suites Logo]

                               AGREEMENT BETWEEN:
                    CROWN PLAZA EXECUTIVE SUITES CORPORATION
                                       AND
                  ESSENTIAL INNOVATIONS TECHNOLOGY CORPORATION

                                 VIRTUAL OFFICE
                                       and
                           TELECOMMUNICATION SERVICES

                        at 114 W. Magnolia, Suite 400-142
                              Bellingham, WA 98225

THIS AGREEMENT is entered into this 26th of NOVEMBER, 2002 by and between CROWN
PLAZA EXECUTIVE SUITES CORPORATION (CPES) and ESSENTIAL INNOVATIONS TECHNOLOGY
CORPORATION (Contractor), with reference to the following facts:

         A. Contractor DOES NOT occupy a Suite in the Crown Plaza Executive
Suites but wishes to receive specific Virtual Office services and
Telecommunication Services.

         B. CPES offers to Contractor various facility, administrative,
secretarial, and support services called a Virtual Office which is described
herein as items a) to i) and Telecommunication Services which are described and
priced in Exhibit B.

         C. Contractor desires to receive the Virtual Office and various
Telecommunication Services offered by CPES, and agrees to pay CPES for same, at
the rates therefore prevailing from time to time and as described herein.

         NOW, THEREFORE, the parties agree with one another, as follows:

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                                     Page 1
<PAGE>

         NOW, THEREFORE, the parties agree with one another, as follows:

1.       DESCRIPTION

Commencing on DECEMBER 1, 2002 Crown Plaza shall provide the following Support
Services to Contractor.

         1.1 Virtual Office consisting of the following items:

         a)       Telephone answering service from 8:00 AM - 5:00 PM, Monday
                  through Friday (except holidays). We will answer your calls
                  with any custom answering/greeting phrase you request, then
                  handle your calls per your instructions. We will support the
                  use of Voice Mail for your clients' messages. When requested
                  we will take messages.

         b)       Mail reception for Contractor pickup; forwarding at cost.

         c)       Contractors name on building directory in Main Lobby, $20.00
                  each name.

         d)       Access to support services as described in Exhibit A

         e)       Conference room use with prior reservation 8:00 AM to 4:30 PM,
                  Monday through Friday (excluding holidays) to a maximum of 6
                  hours per month, after 6 hours per month conference rooms
                  charged at $15.00 per hour or at rates published periodically
                  by CPES. After 6 hours per month Crown Plaza Executive Suites
                  reserves the right to regulate/restrict total ours of
                  conference room use.

         f)       Free coffee or tea when using conference rooms.

         g)       Reception of Contractors guests and announcing of same to
                  Contractor.

         h)       Guest Parking, parking for guests of Contractor adjacent to
                  Crown Plaza Building in designated area to restrictions as
                  posted in parking area on Crown Plaza Building wall.

         1.2 Telecommunication Services as described in Exhibit B and as
separately priced according to that Exhibit B.

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                                     Page 2
<PAGE>

2. PAYMENT. Contractor shall pay CPES for the Virtual Office identified above in
items a) to f) and Telecommunication Services as described in Exhibit B in
lawful money of the United States, on or before the FIRST (1ST) day of each
month. Crown Plaza acknowledges receipt of $300.00; $150.00 as security deposit,
and $150.00 as prepaid rent for the month of DECEMBER, 2002.

3. TERMINATION. Termination will occur should CPEOS not receive monthly payment
by 5th of the month. Either party may terminate this Agreement, in whole or in
part, without penalty, on Sixty (60) days written notice to the other. Notice
shall be received by the first of the month and termination will always occur on
the last day of the calendar month.

4. HIRING OF CPEOS SUPPORT SERVICES STAFF. Contractor understands that CPES has
incurred substantial time and expenses to obtain personnel for its support
services staff. Contractor agrees not to offer to hire or employ any of the
employees of CPES support services staff. In the event that Contractor should
hire or attempt to hire any of the employees of CPES support services staff,
Contractor agrees that such offer of employment or hiring of any such employee
will constitute a material breach of this Agreement and that such breach shall
constitute grounds for the immediate termination of this Agreement. Employees of
CPES support services staff includes all employees of the support services staff
during the period of their employment with CPES and for a period of sixty (60)
days thereafter.

5. GUEST PARKING. Contractor acknowledges that guest parking places adjacent to
Crown Plaza Building (Northeast side) are for the use of Contractors guests and
are not for the Contractors personal use.

                                                            Lessee's Initials KT

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                                     Page 3
<PAGE>

IN WITNESS WHEREOF, the parties have signed this Agreement the date and year
first written above.

                                    EXHIBIT A

                          CROWN PLAZA EXECUTIVE SUITES
                                SUPPORT SERVICES

WORD                                PROCESSING $25.00 per hour (15 minute min.)

CLERICAL TASKS                      $15.00 per hour
Filing
Copying
Appointment Tracking
Client Telephoning
Running Errands, etc.
Mail Forwarding

FAX
Transmission                        $2.00 first page  $1.00 all others
Receipt                             $1.00 per page

NOTARY PUBLIC                       $3.00 per document

POSTAGE                             POSTAGE RATE plus 25%

COPIES                              $10 per copy

LASER COPIES
Plain White Paper                   $15 per page
Bond Paper                          $20 per page
Your Stationery                     $10 per page

                                                            Lessee's Initials KT

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                                     Page 4
<PAGE>

                                    EXHIBIT B
                                       TO
                           BUSINESS IDENTITY AGREEMENT

                           TELEPHONE SERVICE AGREEMENT

SERVICES

CPES agrees to lease Lessee a telephone instrument(s), and to provide telephone
line(s), voice mail, and long-distance service for its use at rates published in
this Exhibit A of the Business Identity Agreement. Lessee agrees that CPES of
Bellingham, Washington will be the sole supplier of telecommunication service to
clients at its location at Suite #400, 114 W. Magnolia St., Bellingham,
Washington unless agreed to in writing by Lessor.

WARRANTY

Should any of Lessee's telephone instruments become defective in the normal
course of business. CPES shall, upon notification by Lessee and at the earliest
opportunity, replace or repair the instrument at no charge to Lessee. Lessee
agrees to exercise reasonable care of rented telephone instrument. Should the
telephone instrument fail due to abuse and/or misuse, Lessee will be charged for
repair or replacement. Should Lessee develop any problems with his telephone
lines, he shall immediately notify CPES of the same, after which CPES shall take
immediate action to correct the problem. Lessee agrees that telephone instrument
or line failure shall not relieve Lessee of his obligation sunder this
agreement, provided CPES takes reasonable steps to correct the same. Lessee
shall purchase his long-distance service through CPES.

DISCONNECT

Lessee agrees that it will pay $48 to have telephone service including voice
line(s), telephone set, Voice Mail, and fax modem line(s), disconnected at end
of tenancy. This is a one-time fee per tenant and includes all service
regardless of number of suites the tenant has been occupying.

PAYMENT

Lessee agrees to pay CPES any and all telephone instrument rental charges, voice
mail charges, and telephone line charges in advance within ten (10) days of
receiving an invoice and to pay telephone long distance charges within ten
business days of being billed by CPES for the same. Should Lessee fail to do so,
CPES shall be entitled, without notice or liability to Lessee, to terminate the
Lessee's telephone service and CPES shall not be required to reconnect the same
until Lessee's account has been brought current and Lessee pays CPES a
reconnection fee of $50.00 per line. In addition, at CPES sole option, such
failure to pay may be deemed to be an event of default of this agreement and/or
default of the Business Identity Agreement.

If Lessee is converting to CPES Telecommunication Service from US West, it
agrees to pay US West Communications for any amounts owing to US West
Communications and their previous long distance carrier for all telephone line
charges and long distance charges incurred up to the exact date that US West

                                                            Lessee's Initials KT

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                                     Page 5
<PAGE>

Communications supersedes the Lessee's telephone numbers to CPES of Bellingham.
A final bill for these services will be issued by US West Communications and the
previous long distance carrier and must be paid in full to the respective
carrier. Lessee understands that its existing telephone numbers must be
superseded (temporarily given) to CPES and become the property of CPES. CPES
agrees that Lessee may take this superseded telephone number(s), upon request,
at termination of tenancy. CPES will not charge any fees for release of
previously superseded telephone number(s). Lessee acknowledges that CPES will
release the number to the Lessee when their account has been paid in full for
all outstanding amounts owing to CPES.

TERMS

Lessee's Telecommunication Service shall, unless this agreement is terminated
earlier due to Lessee's default, run for as long as the Business Identity
Agreement endures.

LIMITATION OF DAMAGES

Lessee understands and acknowledges that certain equipment and personnel
failures may occur from time to time and that CPES relies on the service of
utility providers and Teleport Communications Group (TCG) and MCI, over which it
has no control, who provide power and data transmission services to Lessor.
Lessor shall not be liable for any injury, damages or costs, actual, special, or
consequential which may arise or accrue should the furnishing of any of the
above services or utilities be prevented or interrupted, for any reason,
including act by local utility, fire, accident, strike, act of God, the making
of necessary repairs or improvements, governmental action or any other cause
beyond the control of the Lessor. Lessee agrees that Lessee's claim for any
damages against CPES shall be limited to a refund of Lessee's fees on a prorated
basis for the days on which Lessee's telecommunication services were not handled
in an appropriate manner as documented in writing to CPES. CPES shall not be
responsible for any pecuniary loss, actual, special, or consequential to which
Lessee is subjected as a result of failure of Telecommunication Services.

ENTIRE AGREEMENT

This Agreement (3 pages) and Addendum T (one page) to the Business Identity
Agreement expresses and contains the entire agreement of the parties hereto and
there are not express or implied representations, warranties, or arrangements
between them, except as contained in the two documents. This Agreement may not
be modified, amended, or supplemented except in writing, signed by bot Lessee
and CPES. No consent given or waiver made by CPES of any breach by Lessee of any
provisions of this Agreement shall operate or be construed in any manner as a
waiver of any subsequent breach of the same or of any other provision.

                                                            Lessee's Initials KT

                                                            Lessor's Initials MS

                                     Page 6
<PAGE>

                               SCHEDULE OF PRICES

As agreed in the Telephone Service Agreement and in the Lease Agreement, the
Lessor agrees to rent or purchase the following Telecommunication Services from
Crown Plaza Executive Suites as defined in this addendum. Long Distance Service
is currently 8.99 cents per minute. CPES reserves the right to increase these
long distance prices with written notice to Lessee should CPES receive price
increase changes from its long distance carrier. Copies of price change from
CPES carrier will be supplied with written notice of price increase to Lessee.

Monthly

__1__ First telephone voice line                              $35    $ INCLUDED
_____ Second telephone voice line                             $0     $__________
_____ Third and additional telephone voice lines              $35    $__________
_____ Fax/modem line                                          $41.35 $__________

_____ Telephone instrument rental.28 key display hands-free   $25    $__________
         17 key                                               $18    $__________
         6 key                                                $15    $__________

__1__ Voice Mailbox, Executive                                $15    $ INCLUDED
         President                                            $22    $__________
         CEO                                                  $25    $__________
         Custom Call Routing                                  $10    $__________

                                          TOTAL MONTHLY              $__________

         Install Fees, One-Time

_____ Custom call routing install fee                                $__________
__1__ Voice install fee, per box                              $20    $ INCLUDED
__1__ Telephone install fee                                   $48    $ 48.00____
__1__ Telephone disconnect fee at end of tenancy              $48    $ 48.00____
_____ Telecommunication Services deposit                             $__________

                                          TOTAL INSTALL              $ 48.00____

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                                     Page 7
<PAGE>

IN WITNESS WHEREOF, the parties have signed this Agreement the date and year
first written above.

CROWN PLAZA EXECUTIVE SUITES CORP.
114 West Magnolia, Suite 400
Bellingham, WA  98225
(360)                                         733-0185 ESSENTIAL
                                              INNOVATIONS
                                              TECHNOLOGY CORP.
By /s/ M.L. Sandiland
Its President                                 By /s/ Ken Telford
                                              Printed Name KEN TELFORD
Date                                          Date November 30, 2002
                                              Business Address
                                              Unit 200 10125 199B Street
                                              Langely, BC
                                              V1M 3W9
                                              Business Telephone 604 882-6520
                                              Home Address
                                              Home Telephone

                                                            Lessee's Initials KT

                                                            Lessor's Initials MS

                                     Page 8

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