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Tender of all Outstanding
6.750% Senior Notes due March 15, 2014
In Exchange for
6.750% Senior Notes due March 15, 2014
of
Ainsworth Lumber Co. Ltd. To Registered Holders: We are enclosing herewith the material listed below relating to the offer
(the Exchange Offer) by Ainsworth Lumber Co. Ltd. (Ainsworth) to exchange
its 6.750% Senior Notes due March 15, 2014 (the Exchange Notes), which have
been registered under the Securities Act of 1933, as amended (the Securities
Act), for a like principal amount of Ainsworths issued and outstanding 6.750%
Senior Notes due March 15, 2014 (the Original Notes) upon the terms and
subject to the conditions set forth in the prospectus, dated      ,
2004 (the Prospectus) and the related letter of transmittal (the Letter of
Transmittal). Enclosed herewith are copies of the following documents:  1.
    
    Prospectus dated      , 2004;2.
    
    Letter of Transmittal;3.
    
    Notice of Guaranteed Delivery; and4.
    
    Letter which may be sent to your clients for whose account you
hold Original Notes in your name or in the name of your nominee, to
accompany the instruction form referred to above, for obtaining such
clients instruction with regard to the Exchange Offer. We urge, you to contact your clients promptly. Please note that the
Exchange Offer will expire at 5:00 p.m., New York City time, on      ,
2004, unless extended. The Exchange Offer is not conditional upon any minimum number of Original
Notes being tendered. Pursuant to the Letter of Transmittal each holder of Original Notes will
represent to Ainsworth that (i) the Exchange Notes acquired pursuant to the
Exchange Offer are being obtained in the ordinary course of business of the
person receiving such Exchange Notes, whether or not such person is such
holder, (ii) neither the holder of the Original Notes nor any such other person
has an arrangement or understanding with any person to participate in the
distribution of such Exchange Notes, (iii) if the holder is not a
broker-dealer, or is a broker-dealer but will not receive Exchange Notes for
its own account in exchange for Original Notes, neither the holder nor any such
other person is engaged in or intends to participate in a distribution of the
Exchange Notes and (iv) neither the holder nor any such other person is an
affiliate of Ainsworth within the meaning of Rule 405 under the Securities
Act or, if such person is an affiliate, that such holder will comply with the
registration and prospectus delivery requirements of the Securities Act to the
extent applicable. If the tendering holder is a broker-dealer that will
receive Exchange Notes for its own account in exchange for Original Notes, you
will represent on behalf of such broker-dealer that the Original Notes to be
exchanged for the Exchange Notes were acquired by it as a result of
market-making activities or other trading activities, and acknowledge on behalf
of such broker- dealer that it will deliver a prospectus meeting the
requirements of the Securities Act in connection with any resale of such
Exchange Notes. By acknowledging that it will deliver and by delivering a
prospectus meeting the requirements of the Securities Act in connection with
any resale of such Exchange Notes, the undersigned is not deemed to admit that
it is an underwriter within the meaning of the Securities Act. The enclosed Instruction to Registered Holder from Beneficial Owner
contains an authorization by the beneficial owner of the Original Notes for you
to make the foregoing representations.




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Ainsworth will not pay any fee or commission to any broker or dealer or to
any other persons (other than the Exchange Agent for the Exchange Offer) in
connection with the solicitation of tenders of Original Notes pursuant to the


Exchange Offer. Ainsworth will pay or cause to be paid any transfer taxes
payable on the transfer of Original Notes to it, except as otherwise provided
in Instruction 5 of the enclosed Letter of Transmittal. Any inquiries you may have with respect to the Exchange Offer may be
addressed to, and additional copies of the enclosed materials may be obtained
from, the Exchange Agent, the Bank of New York, in the manner set forth below. By Hand, Mail or Overnight Delivery
The Bank of New York
    
    By Facsimile Transmission
(for Eligible Institutions only):Corporate Trust Operations
101 Barclay Street  7E
New York, New York 01286
    
    (212) 298-1915
Attention: Bernard ArsenecConfirm by Telephone:Attention: Bernard ArsenecFor Information Call:
    
    (212) 815-5098(212) 815-5098
 Very truly yours,AINSWORTH LUMBER CO. LTD.
 NOTHING CONTAINED HEREIN OR IN THE ENCLOSED DOCUMENTS SHALL CONSTITUTE YOU THE
AGENT OF AINSWORTH OR THE EXCHANGE AGENT, OR AUTHORIZE YOU TO USE ANY DOCUMENT
OR MAKE ANY STATEMENT ON THEIR BEHALF IN CONNECTION WITH THE EXCHANGE OFFER
OTHER THAN THE DOCUMENTS ENCLOSED HEREWITH AND THE STATEMENTS CONTAINED
THEREIN.