Ainsworth Announces Conference Call Notification for the Second Quarter of 2009

12.8.09

VANCOUVER, British Columbia – AINSWORTH LUMBER CO. LTD. (TSX: ANS and ANS.WT)

Ainsworth invites investors and media to listen-in to its second quarter conference call with financial analysts. Robert Allen, CFO, will discuss the company’s results for the second quarter of 2009.
The conference call will take place on Thursday August 13, 2009 at 1:00 p.m. PDT (4:00 p.m. EDT).

The dial-in phone number is 1-800-909-4792, Reservation #21434155. To access the post-view line, dial 1-800-558-5253, or 1-416-626-4100, Reservation #21434155. This recording will be available until the end of the day on August 20, 2009.

For further information please contact:
Ainsworth Lumber Co. Ltd.
Suite 3194, Bentall 4
P.O. Box 49307
1055 Dunsmuir Street
Vancouver, B.C. V7X 1L3
Telephone: 604-661-3200
Facsimile: 604-661-3201
www.ainsworthengineered.com

Investor Relations Contact:
Robert Allen
Chief Financial Officer
robert.allen@ainsworth.ca