Exhibit 2(7)


                            WARRANT OPTION AGREEMENT


THIS AGREEMENT made as of the 19th day of May, 1998.

BETWEEN:

                  THE LIVERPOOL LIMITED PARTNERSHIP, A BERMUDA LIMITED
                  PARTNERSHIP AND WESTGATE INTERNATIONAL, L.P., A CAYMAN LIMITED
                  PARTNERSHIP

                  (herein respectively referred to "Liverpool" and "Westgate" or
                  collectively as the "Optionor")

                                     - and -

                  RED REEF LIMITED, A BODY CORPORATE GOVERNED BY THE LAWS OF THE
                  BRITISH VIRGIN ISLANDS

                  (herein referred to as the "Optionee")

WHEREAS:

A.       The Optionor holds Warrants (as hereinafter defined) which entitle the
         holders thereof to acquire an aggregate of 12,500,000 common shares of
         the share capital of the Corporation (as hereinafter defined); and

B.       The Optionor wishes to grant the Optionee an option to purchase
         the Warrants.

NOW THEREFORE THIS AGREEMENT WITNESSES that in consideration of the premises and
mutual covenants hereinafter set forth, and for other valuable consideration,
the parties hereto have agreed as follows:


                                   ARTICLE ONE
                                   DEFINITIONS

1.01      In this Agreement the following terms shall have the following
meanings:

          A.       "Agreement" means this agreement made as of the date first
                   written above, among the Optionor and the Optionee, and the
                   expressions "above", "below", "herein", "hereof" and similar
                   expressions refer to this Agreement.

          B.       "Corporation" means Xenotech Inc. and any successor or
                   continuing corporation resulting from any form of corporate
                   reorganization.




          C.       "Covered Shares" means those Shares of the Corporation, as
                   defined in the Registration Rights Agreement.

          D.       "Expiration Date" means May 5, 2000.

          E.       "Option Date" means August 17, 1998.

          F.       "Option Warrants" means the Warrants the Optionee is entitled
                   to purchase under the Warrant Option.

          G.       "Registration Rights Agreement" means the Registration Rights
                   Agreement entered into as of May 19, 1998, between Xenotech,
                   Liverpool and Westgate.

          H.       "SEC" means the U.S. Securities and Exchange Commission.

          I.       "Warrant Option" means an option to purchase the 12,500,000
                   Warrants held by the Optionor pursuant to this Agreement and
                   includes any portion of that option.

          J.       "Warrants" means the common share purchase warrants evidenced
                   by the warrant certificates attached as Schedule "A" and
                   Schedule "B" hereto registered in the names of Liverpool and
                   Westgate respectively. Each Warrant entitles the holder to
                   acquire one (1) common share of the capital of the
                   Corporation upon payment of $0.40 per share on or before May
                   15, 2000.

1.02      In this Agreement, the masculine gender shall include the feminine
          gender and the singular shall include the plural and vice versa
          wherever the context requires.

1.03      All dollar amounts stated herein are in Canadian currency.


                                   ARTICLE TWO
                                 WARRANT OPTION

2.01      The Optionor hereby grants to the Optionee, subject to the terms and
conditions hereinafter set out, an irrevocable option to purchase the Option
Warrants, at any time or from time to time after the Option Date and on or
before the Expiration Date on the following basis:

          (a)      4,500,000 Warrants, at an exercise price of $0.01 per
                   Warrant;

          (b)      4,000,000 Warrants, at an exercise price of $0.20 per
                   Warrant; and

          (c)      the remaining 4,000,000 Warrants, at an exercise price of
                   $0.40 per Warrant.


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2.02      Each of Westgate and Liverpool hereby agree to tender an aggregate of
the number of the Warrants purchased by the Optionee pursuant to Article 4 of
this Agreement.

2.03      At 4:30 p.m. Calgary time, on the Expiration Date, the Warrant Option
shall forthwith expire and terminate and be of no further force or effect
whatsoever as to such of the Option Warrants in respect of which the Warrant
Option hereby granted have not then be exercised.

2.04      The Warrant Option granted pursuant to Article 2.01 above may only be
exercised by the Optionee in the event that: (a) the Common Shares of the
Corporation are listed and trading on the NASDAQ National Market or the NASDAQ
Small Cap Market; (b) and the Common Shares of the Corporation are registered
under the US Securities Exchange Act of 1934, as amended, and (c) the Covered
Shares are "US Registered" (as defined in Section 3(a) of the Registration
Rights Agreement).


                                  ARTICLE THREE
                                 MATERIAL CHANGE

3.01      In the event that, prior to the Expiration Date or exercise in full of
the Warrant Option, the outstanding share capital of the Corporation shall be
subdivided or consolidated into a greater or lesser number of common shares and
Warrants, or, in the event of the payment of a stock dividend by the
Corporation, or in the event that all of the shareholders of the Corporation are
granted the right to purchase additional common shares of the share capital of
the Corporation, the number and exercise price of Option Warrants remaining
subject to the Warrant Option hereunder shall be increased or reduced
accordingly, as the case may be.


                                  ARTICLE FOUR
                         EXERCISE OF THE WARRANT OPTION

4.01      The Warrant Option may be exercised by the Optionee from time to time
in whole or in part, in accordance with the provisions hereof by delivery of the
option exercise form attached hereto as Schedule "C" to the Optionors and by
tendering the payment therefor by wire or by certified cheque to the
Corporation's counsel in trust, against delivery of certificates representing
the Warrants to be acquired upon such exercise of the Warrant Option.

4.02      Upon receiving the option exercise form attached hereto as Schedule
"C":

          (a)      Liverpool agrees to forthwith deliver a certificate
                   evidencing Warrants and provide the Corporation with
                   irrevocable instructions to cancel the said certificate and
                   reissue:

                   (i)     certificates evidencing one-half of the number of
                           Warrants indicated upon the exercise form tendered by
                           the Optionee pursuant to Article 4.01 hereof
                           registered in accordance with the instructions
                           provided by the Optionee; and


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                   (ii)    a certificate evidencing the balance of the Warrants,
                           if any, not registered pursuant to Article
                           4.02(a)(i), registered in accordance with the
                           instructions of Liverpool, which shall be delivered
                           along with the proceeds of the exercise in accordance
                           with the instructions of Liverpool, without deduction
                           or setoff.

          (b)      Westgate agrees to forthwith deliver a certificate evidencing
                   Warrants and provide the Corporation with irrevocable
                   instruction to cancel the said certificate and reissue:

                   (i)     certificates evidencing one-half of the number of
                           Warrants indicated upon the exercise form tendered by
                           the Optionee pursuant to Article 4.01 hereof
                           registered in accordance with the instructions
                           thereby given; and

                   (ii)    a certificate evidencing the balance of the Warrants,
                           if any, not registered pursuant to Article
                           4.02(b)(i), registered in accordance with the
                           instructions of Westgate, which shall be delivered
                           along with the proceeds of the exercise in accordance
                           with the instructions of Westgate, without deduction
                           or setoff.


                                  ARTICLE FIVE
                                     GENERAL

5.01      Any notice or other communication required or permitted to be given
under this Agreement shall be in writing and may be delivered personally or sent
by fax, addressed:

    If to the Optionor:

                  The Liverpool Limited Partnership
                  c/o A.S. & K. Services Ltd.
                  P.O. Box HM 1179
                  Hamilton, Bermuda HMEX
                  Attn:  Ms. Deborah Hendrickson
                  Fax:   011-441-295-5328

                  Westgate International, L.P.
                  c/o Midland Bank Trust Corporation (Cayman) Limited
                  P.O. Box 1109
                  Mary Street, Grand Cayman
                  Cayman Islands, BWI
                  Attn:  Mr. Greg Taylor
                  Fax.   (809) 949-7634


                                      -4-


         Copy to:

                  Richard Mansouri
                  Stonington Management Corp.
                  712 - 5th Avenue, 36th Floor
                  New York, New York
                  10019
                  Fax:   (212) 974-2092

         If to the Optionee:

                  Red Reef Limited
                  P.O. Box 3152, Road Town,
                  Tortola, British Virgin Islands
                  Fax:   011 44 1481 710091

         Copy to:

                  Xenotech, Inc.
                  c/o Ogilvie and Company
                  1600 Canada Place
                  407 2nd Street SW
                  Calgary, Alberta
                  T2P 2Y3
                  Attn:  Ms. Sara-Lane Sirey
                  Fax:   (403) 262-7896

Any such notice or other communication given as aforesaid shall be deemed to
have been effectively given, if sent by fax or other similar form of
telecommunications, on the next business day following such transmission or, if
delivered, to have been received on the date of such delivery. Any party may
change its address for service from time to time by notice given in accordance
with the foregoing and any subsequent notice shall be sent to the party as its
changed address.

5.02      The parties hereto covenant that they shall and will from time to time
and at all times hereafter do and perform all such acts and things and execute
all such additional documents as may be required to give effect to the terms and
intention of this Agreement.

5.03      This Agreement supersedes all other agreements, documents, writings
and verbal understandings among the parties relating to the subject matter
hereof and represents the entire agreement between the parties relating to the
subject matter hereof.

5.04      Subject to the other provisions hereof, this Agreement shall enure to
the benefit of and be binding upon the parties hereto and their respective
heirs, executors, administrators, successors and permitted assigns.


                                      -5-


5.05      This Agreement may not be assigned or transferred by the Optionee,
except to an affiliated entity or a director, officer or employee of the
Corporation.

5.06      Time shall be of the essence of this Agreement.

5.07      This Agreement shall be governed by and construed in accordance with
the laws of the Province of Alberta and the parties hereto attorn to the
jurisdiction of the courts of the Province of Alberta.

5.08      This Agreement may be executed in several counterparts and by original
or by facsimile signature, each of which when so executed shall be deemed to be
an original, and such counterparts together shall constitute one and the same
instrument and, notwithstanding their date of execution, shall be deemed to bear
the date as of the date above written.

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

THE LIVERPOOL LIMITED PARTNERSHIP

BY:   LIVERPOOL ASSOCIATES, LTD.
      GENERAL PARTNER

BY:
   ---------------------------------
   PAUL SINGER, PRESIDENT


WESTGATE INTERNATIONAL, L.P.

BY:   MARTLEY INTERNATIONAL, INC.
      ATTORNEY-IN-FACT

BY:
   ---------------------------------
      PAUL SINGER, PRESIDENT


RED REEF LIMITED


PER:


- ------------------------------------


                                      -6-


                              OPTION EXERCISE FORM


TO:               WESTGATE INTERNATIONAL, L.P.
                  C/O MIDLAND BANK TRUST CORPORATION (CAYMAN) LIMITED
                  P.O. BOX 1109, MARY STREET
                  GRAND CAYMAN, CAYMAN ISLANDS
                  BRITISH WEST INDIES

                  ATTENTION:      GREG TAYLOR
                  FAX:     (345) 949-7634

AND:

                  THE LIVERPOOL LIMITED PARTNERSHIP
                  C/O A.S. & K. SERVICES LTD.
                  P.O. BOX HM 1179
                  HAMILTON, BERMUDA HMEX

                  ATTENTION:      DEBORAH HENDRICKSON
                  FAX.     (441) 295-5328

COPY TO:          RICHARD MANSOURI
                  STONINGTON MANAGEMENT CORP.
                  712 - 5TH AVENUE, 36TH FLOOR
                  NEW YORK, NEW YORK
                  10019
                  FAX:     (212) 974-2092

Red Reef Limited hereby exercises the right to purchase _______________________
Warrants of Xenotech Inc. at purchase price of CDN$_________________ per
Warrant, payment for which is submitted with this Exercise Form pursuant to and
in accordance with the terms and conditions of the Warrant Option Agreement made
as of May 15, 1998 among Westgate International L.P., The Liverpool Limited
Partnership and Red Reef Limited.

The Optionee hereby directs that the Warrants hereby acquired by this Exercise
Form be issued and delivered as follows:

NAME:
                      ----------------------------------------------------------

ADDRESS IN FULL:
                      ----------------------------------------------------------

                      ----------------------------------------------------------

NUMBER OF WARRANTS
BEING ACQUIRED:
                      ----------------------------------------------------------


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TOTAL EXERCISE
PRICE TENDERED:

                      ----------------------------------------------------------

                      ----------------------------------------------------------
DATED:


- ---------------------------------------
(Signature of Optionee)




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