Document:

Filed by Automated Filing Services Inc. (604) 609-0244 - GA Computer Sciences Inc. - Exhibit 10.2

WKB Beteiligungsgesellschaft
mbH
Koesterstrasse 1a, 47053
Duisburg, Germany

August 23, 2006

Crystalwood Holdings Ltd.
PO Box N-3015
Goodman’s
Bay Corp. Centre
West Bay Street
Nassau, Bahamas

GA Computer Sciences Inc.
349-6540 East Hastings
Street
Burnaby, BC
Canada V5B 4Z5

Vitavea AG
Pascalstrasse 5,
D-47506
Neukirchen-Vluyn, Germany

Peter J. Hoyle and Lina Zhou
349-6540 East
Hastings Street
Burnaby, BC
Canada V5B 4Z5
Dear Sirs and
Mesdames:

	RE: 	SALE OF VITAVEA AG to GA Computer Sciences
      Inc. 
	  	-
      Extension of date for payment of non-refundable deposit

Please take notice that we have agreed to extend the date by
which GA Computer Sciences Inc. is required to pay us a non-refundable deposit
of EUR 300,000 (the “Deposit”) pursuant to Section 2.4 of the Share Purchase
Agreement dated for reference as of July 31, 2006 amongst us and each of you. We
have agreed to extend the date by which the Deposit must be paid from August 15,
2006 to September 15, 2006.

Yours truly,

WKB Beteiligungsgesellschaft mbH

/s/ Walter
Krahl
____________________________
By its Managing
Director,
Walter KrahlFiled by Automated Filing Services Inc. (604) 609-0244 - GA Computer Sciences Inc. - Exhibit 10.3

LOAN AGREEMENT

THIS AGREEMENT dated as of the 31st day of August,
2006

BETWEEN:

VITAVEA AG,
of
Pascalstrasse 5,
D-47506 Neukirchen-Vluyn, Germany

(hereinafter called the
"Borrower")

OF THE FIRST PART

AND:

GA COMPUTER SCIENCES
INC., of
349 – 6540 East Hastings Street,
Burnaby, BC, Canada V5B
4Z5

(hereinafter called the "Lender")

OF THE SECOND PART

WHEREAS:

A. The Borrower has requested that the Lender lend $1,000,000
(U.S.) to the Borrower;

B. The Lender has agreed to lend such sum to the Borrower
subject to the terms and upon the conditions hereinafter set forth.

NOW THEREFORE THIS AGREEMENT WITNESSES THAT in
consideration of the sum of $1.00 paid by each party to the other (the receipt
of which is hereby acknowledged) the parties hereto mutually covenant and agree
as follows:

	1. 	INTERPRETATION 

1.1 Definitions. Where used herein or in any amendment hereto each of
  the following words and phrases shall have the meanings set forth as follows:

	 	(a)	"Agreement" means this Loan Agreement including the Schedules hereto
      together with any amendments hereof; 

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	 	(b) 	"Closing Date" means August 31, 2006;
	 	 	 
	 	(c) 	"Event of Default" means any event set forth in paragraph 6.1; 
	 	 	 
	 	(d) 	"Loan" means the loan of $1,000,000 (U.S.) to be made by the Lender to
      the Borrower in accordance with this Agreement; 
	 	 	 
	 	(e) 	“Maturity” means August 31, 2008; and 
	 	 	 
	 	(f) 	"Principal Sum" means the sum of $1,000,000 (U.S.).

1.2 Number and Gender. Wherever the singular or the
masculine are used herein the same shall be deemed to include the plural or the
feminine or the body politic or corporate where the context or the parties so
require.

1.3 Headings. The headings to the articles, paragraphs,
subparagraphs or clauses of this Agreement are inserted for convenience only and
shall not affect the construction hereof.

1.4 References. Unless otherwise stated a reference
herein to a numbered or lettered article, paragraph, subparagraph or clause
refers to the article, paragraph, subparagraph or clause bearing that number or
letter in this Agreement. A reference to this Agreement or herein means this
Loan Agreement, including the Schedule hereto, together with any amendments
thereof.

1.5 Currency. All dollar amounts expressed herein refer
to lawful currency of The United States of America.

	2. 	TERMS OF LOAN 

2.1 Loan and Repayment. The Lender hereby agrees to lend
to the Borrower the Principal Sum of $1,000,000 (U.S.). The Loan shall be made
in United States currency and shall be repaid by the Borrower on or before
August 31, 2008.

2.2 Interest. The Borrower shall pay on the amount of
the Principal Sum, interest at a rate of 8% per annum, payable on Maturity. The
Borrower shall pay interest at the aforesaid rate on all overdue interest.

2.3 Advances. The Principal Sum shall be advanced by the
lender on execution of this Agreement, in the form of certified check, bank
draft or wire transfer.

2.4 Pre-Payment. The Borrower may pre-pay all or any
portion of the loan at any time.

	3. 	PROMISSORY NOTE, EXTENSIONS & WAIVER

3.1 Loan. To evidence the Loan, the Borrower agrees to
enter into a promissory note in the form attached hereto as Schedule “A”.

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3.2 Extensions. The Lender may grant extensions as the
Lender may see fit without prejudice to the liability of the Borrower or to the
Lender's rights under this Agreement or under the Promissory Note.

3.3 Waiver. The Lender may waive any breach by the
Borrower of this Agreement or of any default by the Borrower in the observance
or performance of any covenant or condition required to be observed or performed
by the Borrower hereunder or under the Promissory Note. No failure or delay on
the part of the Lender to exercise any right, power or remedy given herein or by
statute or at law or in equity or otherwise shall operate as a waiver thereof,
nor shall any single or partial exercise of any right preclude any other
exercise thereof or the exercise of any other right, power or remedy, nor shall
any waiver by the Lender be deemed to be a waiver of any subsequent similar or
other event.

	4. 	REPRESENTATIONS AND WARRANTIES 

4.1 Representations. The Borrower represents and
warrants to the Lender, and acknowledges that the Lender is relying upon such
representations and warranties in entering into this Agreement, as follows:

	 	(a) 	the Borrower has the capacity to enter into this Agreement, and the
      execution of this Agreement and the completion of the transactions
      contemplated hereby shall not be in violation any agreement to which the
      Borrower is a party; and
	 	 	 
	 	(b) 	
      the Promissory Note has been duly executed by the
      Borrower and is enforceable against the Borrower in accordance with its
      terms.

	5. 	CLOSING ARRANGEMENTS 

5.1 Conditions Precedent. The Lender's obligation to
advance the Principal Sum to the Borrower shall be subject to the satisfaction
of the following conditions:

	 	(a) 	the representations and warranties of the Borrower shall be true as of
      the date hereof and as of the Closing Date; and 
	 	 	 
	 	(b) 	the Borrower shall have complied with all of its obligations
      hereunder; and 

The foregoing conditions precedent are inserted for the benefit
of the Lender and may be waived in whole or in part by the Lender at any time
prior to closing by delivering to the Borrower written notice to that
effect.

5.2 Time of Closing. The closing of the Loan shall take
place on execution of this Loan Agreement.

5.3 Deliveries by the Lender. On the Closing Date the
Lender shall deliver or cause to be delivered to the Borrower a certified check,
bank draft or wire transfer for the Principal Sum.

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	6. 	EVENTS OF DEFAULT AND REMEDIES 

6.1 Events of Default. Any one or more of the following
events, whether or not any such event shall be voluntary or involuntary or be
effected by operation of law or pursuant to or in compliance with any judgment,
decree or order of any court or any order, rule or regulation of any
administrative or governmental body, shall constitute an Event of Default:

	 	(a) 	if the Borrower defaults in the payment of any
      monies due hereunder as and when the same is due;  
	 	  	  
	 	(b) 	if the Borrower defaults in the observance or
      performance of any other provision hereof; 
	 	  	  
	 	(c) 	if the Borrower commits an act of bankruptcy or
      makes a general assignment for the benefit of its creditors or otherwise
      acknowledges its insolvency; or 
	 	  	  
	 	(d) 	if the Borrower makes default in the due
      payment, performance or observance, in whole or in part, of any debt,
      liability or obligation of the Borrower to the Lender, whether secured
      hereby or otherwise. 

6.2 Remedies Upon Default. Upon the occurrence of any
Event of Default and at any time thereafter, provided that the Borrower has not
by then remedied such Event of Default, the Lender may, in its discretion, by
notice to the Borrower, declare this Agreement to be in default. At any time
thereafter, while the Borrower shall not have remedied such Event of Default,
the Lender, in its discretion, may:

	 	(a) 	declare the Loan and other monies owing by the Borrower to the Lender
      to be immediately due and payable; 
	 	 	 
	 	(b) 	demand payment from the Borrower and exercise all remedies available
      to the Lender. 

	7. 	MISCELLANEOUS 

7.1 Notices. Any notice required or permitted to be
given under this Agreement or the Promissory Note shall be in writing and may be
given by delivering same or mailing same by registered mail or sending same by
telegram, telex, telecopier or other similar form of communication to the
following addresses:

	 	The Borrower: 	Pascalstrasse 5 
	 	  	D-47506 Neukirchen-Vluyn, Germany 
	 	  	  
	 	The Lender: 	#349 – 6540 East Hastings Street 
	 	  	Burnaby, BC, Canada V5B 4Z5 
	 	  	  
	Any notice so given shall: 	  

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	 	(a) 	if delivered, be deemed to have been given at the time of delivery;
  
	 	 	 
	 	(b) 	if mailed by registered mail, be deemed to have been given on the
      fourth business day after and excluding the day on which it was so mailed,
      but should there be, at the time of mailing or between the time of mailing
      and the deemed receipt of the notice, a mail strike, slowdown or other
      labour dispute which might affect the delivery of such notice by the
      mails, then such notice shall be only effective if actually delivered; and
    
	 	 	 
	 	(c) 	if sent by telegraph, telex, telecopier or other similar form of
      communication, be deemed to have been given or made on the first business
      day following the day on which it was sent. 

Any party may give written notice of a change of address in the
aforesaid manner, in which event such notice shall thereafter be given to such
party as above provided at such changed address.

7.2 Amendments. Neither this Agreement nor any provision
hereof may be amended, waived, discharged or terminated orally, but only by an
instrument in writing signed by the party against whom enforcement of the
amendment, waiver, discharge or termination is sought.

7.3 Entire Agreement. This Agreement embodies the entire
agreement and understanding between the parties hereto and supersedes all prior
agreements and undertakings, whether oral or written, pertaining to the subject
matter hereof.

7.4 Action on Business Day. If the date upon which any
act or payment hereunder is required to be done or made falls on a day which is
not a business day, then such act or payment shall be performed or made on the
first business day next following.

7.5 No Merger of Judgment. The taking of a judgment on
any covenant contained herein or on any covenant set forth in any other security
for payment of any indebtedness hereunder or performance of the obligations
hereby secured shall not operate as a merger of any such covenant or affect the
Lender's right to interest at the rate and times provided in this Agreement on
any money owing to the Lender under any covenant herein or therein set forth and
such judgment shall provide that interest thereon shall be calculated at the
same rate and in the same manner as herein provided until such judgment is fully
paid and satisfied.

7.6 Severability. If any one or more of the provisions
of this Agreement should be invalid, illegal or unenforceable in any respect in
any jurisdiction, the validity, legality or enforceability of such provision
shall not in any way be affected or impaired thereby in any other jurisdiction
and the validity, legality and enforceability of the remaining provisions
contained herein shall not in any way be affected or impaired thereby.

7.7 Successors and Assigns. This Agreement shall enure
to the benefit of and be binding upon all parties hereto and their respective
heirs, personal representatives, successors and assigns, as the case may be.

6

7.8 Governing Law. This Agreement shall be governed by
and be construed in accordance with the laws of the State of Nevada and the
parties hereto agree to submit to the jurisdiction of the courts of Nevada with
respect to any legal proceedings arising herefrom.

7.9 Independent Legal Advice. This Agreement has been
prepared by O’Neill Law Group PLLC acting solely on behalf of the Borrower and
the Lender acknowledges that it has been advised to obtain independent legal
advice.

7.10 Time. Time is of the essence of this Agreement.

7.11 Headings. The headings of the paragraphs of this
Agreement are inserted for convenience only and do not define, limit, enlarge or
alter the meanings of any paragraph or clause herein.

7.12 Counterparts. This agreement may be executed in one
or more counter-parts, each of which so executed shall constitute an original
and all of which together shall constitute one and the same agreement.

IN WITNESS WHEREOF the parties hereto have caused this
Agreement to be duly executed and delivered as of the day and year first written
above.

THE BORROWER:

VITAVEA AG

  by its authorized signatory

/s/ Roger Liere

  ________________________________

  Roger Liere

THE LENDER:

GA COMPUTER SCIENCES INC.
by its authorized
signatory:

/s/ Peter J.
Hoyle
________________________________
Peter J.
Hoyle

SCHEDULE “A”

PROMISSORY NOTE

	PROMISSORY NOTE 
	EXECUTED BY: 	VITAVEA AG 
	  	(the "Borrower") 
	 	 
	IN FAVOUR OF: 	GA COMPUTER SCIENCES INC. 
	  	(the "Lender") 
	 	 
	PRINCIPAL AMOUNT: 	$1,000,000 (U.S.) 
	 	 
	DATE OF EXECUTION: 	August 31, 2006 
		
	 	 
	PLACE OF EXECUTION: 	Neukirchen-Vluyn, Germany 

FOR VALUE RECEIVED the Borrower hereby promises to pay
to or to the order of the Lender on August 31, 2008, the principal sum of
$1,000,000 (U.S.), together with interest thereon at the rate of 8% per annum,
calculated and compounded annually, both before and after maturity from the date
hereof.

The Borrower waives presentment, demand, notice, protest and
notice of dishonour and all other demands and notices in connection with the
delivery, acceptance, performance, default or enforcement of this Promissory
Note.

The Borrower agrees this Promissory Note may be negotiated,
assigned, discounted, or pledged by the Lender and in every case payment will be
made to the holder of this Promissory Note instead of the Lender upon notice
being given by the holder to the undersigned, and no holder of this Promissory
Note will be affected by the state of accounts between the undersigned and the
Lender or by any equities existing between the undersigned and the Lender and
will be deemed to be a holder in due course and for the value of the Promissory
Note held by him.

DATED at Vancouver, BC this 31st day of August, 2006.

VITAVEA AG
by its authorized signatory:

________________________________
Roger Liere

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