Document:

EXHIBIT 4.5
                                                                     -----------

                               TLC VENTURES CORP.
             700 - 900 West Hastings Street, Vancouver, BC, V6C 1E5
                                Fax: 604-687-3912

December 11, 2003

Orogen Holding (BVI) Limited
c/o Gold Fields Exploration Inc.
6400 S Fiddlers Green Circle
Englewood, CO 80111
USA
Fax: +1(303)796-8683

Attention:        Craig Nelsen, Director

Dear Craig:

                          STRATEGIC ALLIANCE AGREEMENT
                          ----------------------------

For good and valuable consideration, we provide this letter to confirm the terms
and conditions agreed to in respect of our strategic relationship (the
"Strategic Alliance"). By signing this letter the parties are confirming that
they have entered into a binding agreement (the "Agreement") on the terms and
conditions contained herein.

DEFINITIONS

In this Agreement:

"Non-Strategic Project" means any Project (as defined below) owned or held by
the mineral exploration subsidiary of Gold Fields Limited, Orogen Holding (BVI)
Limited ("Orogen"), or any subsidiaries of Orogen (collectively with Orogen,
"Gold Fields"), that in its sole discretion it intends to dispose of to a third
party in an arms' length transaction but specifically excludes Projects the
holding of which or transacting upon Gold Fields in its sole discretion deems to
be strategic to its business or that through other contractual agreements it is
required to offer to other parties as part of previous agreements.

"Project" means any portion of a party's interest in, or rights to acquire an
interest in, mineral concessions in any location.

"Project Data" means all information of all types and descriptions whatsoever
and in whatever storage medium over which the party has possession or control
and which may be provided to another party without violating any terms or
conditions of any agreements, orders or instruments by which they are bound
insofar as the same relates to a Project, including, but not limited to the
following: (a) all maps, surveys, test results, samples and sampling results,
reports, interpretations, studies, analyses, feasibility studies, and all other
information and data derived by or on behalf of the Project owner in the course
of exploration or other activities or operations on or in connection with the
Project, and (b) all business files, records and information relating to the
Project.

RIGHT OF FIRST REVIEW

Should TLC Ventures Corp. or any of its subsidiaries (collectively, the
"Company") intend to transfer, assign, option or joint venture a Project owned
or controlled by the Company to an arms' length third party directly or
indirectly, Gold Fields shall have an exclusive right of first review of the
Project Data. The Company will give Gold Fields written notice of its intention
to offer a Project for transfer, assignment, option or joint venture. Within 5
business days of receipt of the notice, Gold Fields may execute and deliver to
the Company a confidentiality agreement in form reasonably acceptable to the
parties and will then have the exclusive right to review all Project Data for a
10-business day period, after which the Company may contact other potential
transferees, assignees, optionees or joint

<PAGE>

venture partners. The 10-business day review period will be deemed to have
started on the business day that the Project Data is received by Gold Fields.
The Company will not (a) make known to any third party its intention to
transfer, assign, option or joint venture a Project; or (b) make any Project
Data available to any such third party until the 10-business day period has
elapsed.

Should Gold Fields intend to transfer, assign, option or joint venture a
Non-Strategic Project to an arms' length third party directly or indirectly, the
Company shall have an exclusive right of first review of the Project Data. Gold
Fields will give the Company written notice of its intention to offer a
Non-Strategic Project for transfer, assignment, option or joint venture. Within
5 business days of receipt of the notice, the Company may execute and deliver to
Gold Fields a confidentiality agreement in form reasonably acceptable to the
parties and will then have the exclusive right to review all Project Data for a
10-business day period, after which Gold Fields may contact other potential
transferees, assignees, optionees or joint venture partners. The 10-business day
review period will be deemed to have started on the business day that the
Project Data is received by the Company. Gold Fields will not (a) make known to
any third party its intention to transfer, assign, option or joint venture a
Project; or (b) make any Project Data available to any such third party until
the 10-business day period has elapsed.

PRO-RATA PRE-EMPTIVE RIGHT

Each time the Company proposes to issue any equity security or a security that
is convertible into an equity security (collectively referred to herein as
"Equity Securities"), the Company shall offer to Gold Fields the right to
purchase that number of such Equity Securities equal to the number of common
shares of the Company owned by Gold Fields divided by the number of issued and
outstanding shares of the Company multiplied by the number of Equity Securities
to be issued by the Company as of the date of the written notice described
below. The Company will deliver written notice of its intention to issue Equity
Securities to Gold Fields stating the number of Equity Securities that Gold
Fields is entitled to purchase along with the terms and conditions of such
offering. Gold Fields will have five business days from the receipt of the
written notice to offer to purchase, in whole or in part, the number of Equity
Securities that it is entitled to purchase. The closing of the purchase by Gold
Fields will be concurrent with the closing of the Equity Security financing;
provided, however, that Gold Fields' obligation to purchase the Equity
Securities will be conditioned upon the closing of the entire offering, which
condition Gold Fields may waive in whole or in part. The Company may sell to a
third party any Equity Securities not purchased by Gold Fields in accordance
with these terms.

This pro-rata pre-emptive right does not apply to options issued pursuant to an
incentive stock option plan for directors, employees and consultants of the
Company adopted in accordance with the rules and policies of a Canadian stock
exchange, the issuance of any security upon the conversion or exercise of any
outstanding security or any issuance where the Company's shareholders are
treated equally such as a subdivision, amalgamation or reorganization.

GENERAL TERMS

The term of this Agreement (and the rights and obligations hereunder other than
the confidentiality provision in the following paragraph) is three years from
the date first written above.

Except as may be require by a stock exchange or other trading facility or by any
rule, regulation or law of any kind whatsoever which is applicable to a party,
while this Agreement is in effect and for a period of one year thereafter, each
party shall keep confidential all discussions and communications between them
including. without limitation, all information communicated therein and all
written and printed materials of any kind whatsoever exchanged between them and,
if requested by a party to do so, the other party shall arrange for its
directors, officers, employees, authorized agents and representatives that are
or that may become aware of the relationship between the parties created by this
Agreement to provide to the first party a letter confirming their agreement. to.
be personally bound by these non-disclosure provisions.

Time and each of the terms and conditions of this Agreement shall be of the
essence of this Agreement.

                                        2
<PAGE>

This Agreement constitutes the entire agreement between the parties hereto in
respect of the matters referred to herein. This Agreement is governed by the
laws of British Columbia and the laws of Canada applicable therein. The parties
hereby submit to the jurisdiction of the Courts of British Columbia in
connection with any disputes arising hereunder.

Any notice or other communication of any kind whatsoever to be given under this
Agreement shall be in writing and shall be delivered by hand or by fax to the
parties at the addresses set out above.

This Agreement may be signed by fax and in counterpart.

IN WITNESS WHEREOF the parties have hereunto set their hands and seals effective
as of the date first above written.

SIGNED, SEALED AND DELIVERED BY
TLC VENTURES CORP, per:

/s/
----------------------------
Authorized Signatory

Name of Signatory:         Edward Farrauto

Title of Signatory:        President

SIGNED, SEALED AND DELIVERED BY
OROGEN HOLDING (BVI) LIMITED per:

/s/
----------------------------
Authorized Signatory

Name of Signatory:         Paul Fortin

Title of Signature:        Director

                                        3EXHIBIT 4.6
                                                                     -----------

                               SUBLEASE AGREEMENT

THIS SUBLEASE is dated the 5th day of March, 2004.

AMONG:
                    ONTREA INC., BY ITS DULY AUTHORIZED AGENT
                   CADILLAC VAIRVIEW MANAGEMENT SERVICES INC.
                                (the "Landlord")
                                                               OF THE FIRST PART

                                     - and -

                        FORBES TRAVEL INTERNATIONAL LTD.
                                 (the "Tenant")
                                                              OF THE SECOND PART

                                     - and -

                               TLC VENTURES CORP.
                               (the "Sub-Tenant")
                                                               OF THE THIRD PART

WHEREAS:

A. By a lease dated the 26th day of August, 2002, and made between the Landlord
and the Tenant (the "Lease"), the Landlord leased to the Tenant for and during a
term of five (5) years, from and including the 1st day of December, 2002, to and
including the 30th day of November, 2007 (the "Term"), subject to and upon the
terms, covenants and conditions contained in the Lease, certain premises
containing a certified Rentable Area of one thousand eight hundred eighty
(1,880) square feet (174.65 square metres), designated as Suite No. 285 on the
2nd floor (the "Premises"), located at Granville Square (the "Building"), in the
City of Vancouver, in the Province of British Columbia, and which are shown
cross hatched in red on Schedule "B" attached to the Lease;

B. The Tenant intends to sublease the Premises to the Sub-Tenant, (the
"Subleased Premises"), with the prior written consent of the Landlord in
accordance with the terms of the Lease;

NOW THEREFORE THIS SUBLEASE WITNESSETH that in consideration of the sum of Two
Dollars ($2.00) now paid by each of the Parties to the other, the receipt and
sufficiency of which is hereby respectively acknowledged:

1.       GRANT - The Tenant hereby subleases to the Sub-Tenant the Subleased
         Premises containing a Rentable Area of approximately one thousand eight
         hundred eighty (1,880) square feet (174.65 square metres) on the 2nd
         floor as shown outlined in red on Schedule "A" attached hereto, for and
         during a term (the "Sublease Term"), commencing on the 1st day of
         April, 2004, (the "Effective Date"), and expiring one day before the
         expiration of the Term demised by the Lease, in accordance with and
         subject to the terms, covenants and conditions contained in this
         Sublease and to the observance and performance by the Sub-Tenant of all
         of the terms, covenants and conditions contained in the Lease to be
         observed and performed by the Tenant with respect to the Subleased
         Premises.

2.       COVENANTS OF SUB-TENANT

(a)      The Sub-Tenant hereby covenants and agrees to and with the Landlord and
         the Tenant that It shall, throughout the Sublease Term:

                                        1
<PAGE>

         (i)      pay to the Tenant Net Rent based upon an annual rate of FOUR
                  DOLLARS ($4.00) per square foot ($43.06 per square metre) of
                  the Rentable Area of the Subleased Premises; and
         (ii)     pay to the Tenant the same Additional Rent in respect of the
                  Subleased Premises as the Tenant is required to pay under the
                  Lease, including, without limitation, goods and services taxes
                  or other taxes charged on rentals or arising out of the
                  occupancy of the Subleased Premises; and
         (iii)    observe and perform all of the terms, covenants and conditions
                  on the part of the Tenant contained in the Lease to be paid,
                  observed and performed with respect to the Subleased Premises
                  and shall indemnify the Tenant and the Landlord against all
                  actions, claims, expenses and demands in respect of such
                  obligations.

(b)      The Tenant acknowledges that the Sub-Tenant has paid a deposit of
         THIRTEEN THOUSAND TWO HUNDRED TWENTY TWO DOLLARS AND NINETY ONE CENTS
         ($13,222.91) to be applied without interest to the Rent due under this
         Sublease as per the schedule outlined as follows:

         April 1, 2004              $3,302.38
         March 1, 2005              $3,309.08
         September 1, 2006          $3,309.08
         November 1, 2007           $3,302.38

(c)      The Sub-Tenant acknowledges to and with the Landlord and the Tenant
         that:

         (i)      it has received a copy of the executed Lease and is familiar
                  with the terms, covenants and conditions contained therein and
                  agrees to be bound by those provisions as they relate to the
                  Subleased Premises; and
         (ii)     it waives any rights the Sub-Tenant may have under any legal
                  or equitable rule of law or under the applicable Landlord and
                  Tenant legislation of the Province, as amended from time to
                  time, or any other applicable legislation, to apply to a court
                  or to otherwise elect to or obtain the right to do any of the
                  following:

                  (A)      retain the unexpired Term of the Lease or the
                           unexpired Sublease Term;
                  (B)      obtain any right to enter into any lease or other
                           agreement directly with the Landlord for the
                           Premises, or
                  (C)      otherwise remain in possession of any portion of the
                           Premises,

         in any case where the Lease is (i) terminated, surrendered or otherwise
         cancelled, including a disclaimer of the Lease by a trustee in
         bankruptcy of the Tenant, and including any repudiation of the Lease by
         the Tenant pursuant to bankruptcy legislation, or (ii) assigned, sold,
         disposed of, or otherwise dealt.

(d)      The Sub-Tenant agrees to use the Subleased Premises for the purpose of
         general business offices only.
(e)      The Sub-Tenant will take possession of the Subleased Premises in the
         condition in which they existed on the Effective Date and will have the
         use of the fixed partitioning, carpeting, window coverings, light
         fixtures, partitioning doors and hardware and all Leasehold
         Improvements then in the Subleased Premises, as well as the trade
         fixtures as more particularly set out herein:

         (A)      The Sub Tenant shall have the use of the furniture, equipment,
                  appliances, artwork and patio furniture located in the
                  Subleased Premises as of January 29, 2004.
         (B)      The Sub-Tenant shall have the option of purchasing the above
                  noted trade fixtures from the Tenant for the sum of ONE DOLLAR
                  ($1.00). In the event the Sub-Tenant does not elect to
                  purchase the Tenant's trade fixtures as set out herein, the
                  Tenant will arrange for the removal of same from the Subleased
                  Premises, at the Tenant's sole cost and expense.
         (C)      The Sub-Tenant shall be permitted to install new Leasehold
                  improvements or make Alterations to existing Leasehold
                  Improvements in accordance with the terms of the Lease with
                  the prior written approval of the Tenant and the Landlord,
                  such approval not to be unreasonably withheld. The Landlord
                  acknowledges and agrees that the Sub-Tenant shall be

                                        2
<PAGE>

                  performing a renovation to the Subleased Premises, at the
                  Sub-Tenant's sole expense, which renovation shall include
                  painting, carpeting, new baseboards and the construction of
                  two (2) offices within the Subleased Premises. All work shall
                  be performed in accordance with and pursuant to the terms of
                  the Lease.

(f)      The Landlord and the Tenant acknowledge and agree that the Sub-Tenant
         shall have the use, during the Sublease Term of the two (2) unreserved
         parking stalls in the parking facility serving the Building which the
         Tenant Is licensed to use pursuant to Section 11.22 of the Lease. It is
         further understood and agreed that the Sub Tenant will pay directly to
         the Landlord, or the parking facility operator as directed by the
         Landlord, the prevailing monthly rate as established by the Landlord
         from time to time for the use of such parking stalls. Upon written
         request from the Landlord, the Sub Tenant shall enter into a separate
         parking agreement with the Landlord (or the parking operator if the
         Landlord so directs) with respect to the above mentioned parking
         spaces.

(g)      At the expiration or earlier termination of the Sublease Term, the
         Sub-Tenant shall remove its Trade Fixtures, as well as the Tenant's
         trade fixtures which the Sub-Tenant has the use of during the Sublease
         Term, and shall repair any damage to the Subleased Premises or the
         Building caused by such removal, but shall otherwise surrender and
         deliver vacant possession of the Subleased Premises to the Tenant in an
         "as is" condition.

3.       CONSENT AND CONDITIONS - The Landlord hereby grants its consent to this
         Sublease subject to the following conditions:

(a)      the Sub-Tenant shall be jointly and severally liable with the Tenant to
         observe and perform the Tenant's obligations in the Lease with respect
         to the Subleased Premises (other than the payment of Net Rent, the
         Sub-Tenant's liability for which shall be limited to the amount payable
         by the Sub-Tenant under Paragraph 2 of this Sublease);
(b)      the Tenant hereby covenants and agrees to and with the Landlord that it
         remains jointly and severally liable with the Sub-Tenant under the
         Lease with respect to the Subleased Premises and that the Tenant is not
         released from the performance of any of the terms, covenants and
         conditions contained in the Lease and further, the Tenant will
         indemnify the Landlord and save it harmless from and against any and
         all costs and expenses incurred as a result of this Sublease and the
         Landlord's consent hereto;
(c)      the Landlord's consent does not constitute a waiver of the necessity
         for obtaining consent to any assignment of the Lease or further
         subletting of the Premises or any other Transfer of the Lease, nor Is
         it to be construed or interpreted as a forfeiture of any of the rights
         of the Landlord contained in the Lease;
(d)      any and all costs, legal or otherwise, incurred by the Landlord with
         respect to this Sublease and the Landlord's consent provided for in
         this Sublease shall be borne entirely by the Tenant and the Tenant
         hereby covenants to promptly indemnify and save harmless the Landlord
         from and against any and all costs so incurred;
(e)      by giving its consent, the Landlord does not acknowledge or approve of
         any of the terms of this Sublease (or any other related agreements) as
         between the Tenant and the Sub-Tenant, except for the subletting of the
         Premises itself; and
(f)      the Sub-Tenant shall not enter into or take possession of the Subleased
         Premises until:

         (A)      it has delivered to the Landlord certificates of insurance or,
                  if required by the Landlord's Mortgagee, certified copies of
                  any insurance policy which the Sub-Tenant is required to take
                  out pursuant to this Sublease (being all such insurance as the
                  Tenant is required, under the terms of the Lease, to maintain
                  in respect of the Subleased Premises); and
         (B)      it has obtained all required permits, licenses and approvals
                  from all governmental authorities having jurisdiction for the
                  carrying on by the Sub-Tenant of its permitted business in the
                  Subleased Premises.

(h)      The Landlord acknowledges that the provisions of Section 8.03(c) of the
         Lease shall not apply to this Sublease.

                                        3
<PAGE>

4.       TENANT'S EXERCISE OF RIGHTS

(a)      It is understood and agreed that if:

         (i)      the Sub-Tenant falls to pay any Rent (Including Net Rent and
                  Additional Rent) or other sums due hereunder on the day or
                  data appointed for the payment thereof (provided the tenant
                  first elves four (4) days written notice to the Sub-Tenant of
                  any such failure); or
         (ii)     the Sub-Tenant fails to observe or perform any of the terms,
                  covenants or conditions of this Sublease to be observed or
                  performed by the Sub-Tenant (other than those terms, covenants
                  or conditions more specifically set out in the Lease for which
                  no notice shall be required) provided the Tenant first gives
                  the Sub-Tenant fourteen (14) days, (or such shorter period of
                  time as is otherwise provided in subparagraph (b) hereof),
                  written notice of any such failure to perform and the
                  Sub-Tenant within such period of fourteen (14) days fails to
                  commence diligently and thereafter to proceed diligently to
                  cure any such failure to perform,

         then the Tenant shall have the right 'to terminate this Sublease and
         the Tenant shall forthwith re-enter the Subleased Premises as though
         the Sub-Tenant had not been in possession thereof, subject, however, to
         the terms, covenants and conditions contained In the Lease, including,
         without limitation, the provisions of Article VIII and to the rights of
         the Landlord provided for in the Lease, or at law. Notwithstanding any
         such reentry It is understood and agreed that Rent continues to be
         payable in accordance with the terms of the Lease and all of the other
         terms, covenants and conditions contained in the Lease are to be
         observed and performed in accordance with the terms of the Lease.

(b)      Notwithstanding THE PROVISIONS OF PARAGRAPH 4(a)(ii) HEREOF, IF THE
         Sub-Tenant IS IN default in the performance of any of its covenants or
         obligations hereunder (other than the payment of Rent or other sums
         required to be paid pursuant to this Sublease) the Tenant may from time
         to time after giving such notice as it considers sufficient (or without
         notice in the case of an emergency), having regard to the circumstances
         applicable, perform or cause to be performed any of such covenants or
         obligations, or any part thereof, and for such purpose may do such
         things as may be required including, without limitation, entering upon
         the Subleased Premises and doing such things upon or in respect of the
         Subleased Premises or any part thereof as the Tenant reasonably
         considers requisite or necessary. All expenses Incurred and
         expenditures made pursuant to this subparagraph shall be paid by the
         Sub-Tenant as Additional Rent, or otherwise as may be the case,
         forthwith upon demand. The Tenant shall have no liability to the
         Sub-Tenant for any loss or damages resulting from any such action or
         entry by the Tenant upon the Subleased Premises.

5.       COVENANTS OF TENANT - The Tenant covenants to and with the Sub-Tenant
         during the Sublease Term for quiet enjoyment and to pay all Rent
         reserved under the Lease and not to cause any default in the
         performance of the Tenant's obligations under the Lease.

6.       NOTICE - Any and all notices or demands by and from any of the parties
         hereto to the other shall be in writing and may be served either
         personally or by registered mail. Any such notice:

(a)      in the case of the Tenant shall be served on the Tenant at the Premises
         or, at the Landlord's option, at the Tenant's head office at c/o
         Colliers International, 16th Floor, 200 Granville Street, Vancouver,
         B.C.
(b)      in the case of the Sub-Tenant shall be served on the Sub-Tenant at the
         Subleased Premises or, at the Landlord's option, at the Sub-Tenant's
         head office, at Suite 700, 900 West Hastings Street, Vancouver, British
         Columbia, V6C 3E8;
(c)      in the case of the Landlord shall be served on the Landlord at the
         Landlord's head office at 20 Queen Street West, Toronto, Ontario M5H
         3R4, Attention: Corporate Secretary.

         Any Party may change the address set out above by appropriate written
         notice to the other Parties. In any case, any such written notice shall
         be deemed to have been received on the date of its delivery or, if
         mailed, two (2) business days after the mailing thereof. Where the
         terms of the Lease require or permit the Tenant to give a notice to the
         Landlord, the Sub-Tenant shall give a comparable notice to the Tenant
         not less than one (1) day before the last day on which the Tenant is to
         give such notice to the Landlord and where the

                                        4
<PAGE>

         terms of the Lease require or permit the Landlord to give notice to
         the Tenant, the Tenant may give a comparable notice to the Sub-Tenant
         up to one (1) day after the last date on which the Landlord is
         entitled to give such notice to the Tenant. It is understood and
         agreed that the Landlord shall give notice of all breaches under the
         Lease by the Tenant and/or the Sub-Tenant to each of the Tenant and
         the Sub-Tenant in accordance with the terms of the Lease.

7.       CONFIRMATION - The Parties hereto do in all other respects hereby
         confirm that the Lease is in full force and effect, unchanged and
         unmodified except in accordance with this Sublease. It is understood
         and agreed that all terms and expressions when used in this Agreement,
         unless a contrary intention is expressed herein, have the same meaning
         as they have in the Lease.

8.       PARTIAL INVALIDITY - If any term, obligation or condition of this
         Sublease, or its application to any Person or circumstance, is to any
         extent held or rendered invalid, unenforceable or illegal, then the
         term, obligation or condition (a) is deemed to be independent of the
         remainder of this Sublease and to be severable and divisible from it,
         and its Invalidity, unenforceability or illegality does not affect,
         impair or invalidate the remainder of the Sublease or any part of it;
         and (b) continues to be applicable and enforceable to the fullest
         extent permitted by law against any Person and circumstance except
         those to which it, or its application, has been held or rendered
         invalid, unenforceable or illegal.

9.       BINDING - This Sublease enures to the benefit of the Landlord and its
         successors and assigns, and shall be binding upon each of the other
         Parties and each of their heirs, executors, administrators, and
         permitted successors and permitted assigns, respectively.

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

                            ONTREA INC., BY ITS DULY AUTHORIZED AGENT
                            CADILLAC VAIRVIEW MANAGEMENT SERVICE INC.
                            -----------------------------------------
                                                           (Landlord)

                                  Per:
                                       -----------------------------------------
                                                            Authorized Signature

                                  Per:
                                       -----------------------------------------
                                                            Authorized Signature

                                  I/We have authority to bind the corporation.

                            FORBES TRAVEL INTERNATIONAL LTD.
                            --------------------------------
                                                    (Tenant)

                                  Per: /s/
                                       -----------------------------------------
                                                            Authorized Signature

                                  I/We have authority to
                                  bind the corporation.

                            TLC VENTURES CORP.
                            ------------------
                                  (Sub-Tenant)

                                  Per: /s/
                                       -----------------------------------------
                                                            Authorized Signature

                                  I/We have authority to bind the corporation.

                                        5
<PAGE>

                 SCHEDULE "A" - FLOOR PLAN OF SUBLEASED PREMISES

[FLOOR PLAN OF "GRANVILLE SQUARE" -- 200 GRANVILLE STREET, VANCOUVER, B.C.,
2ND FLOOR]

                                        6

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