If you bought Oriented Strand Board ("OSB") for your own use, not for resale, on or after
June 1, 2002, your rights may be affected by a class action lawsuit and three settlements.

The United States District Court for the Eastern District of Pennsylvania authorized this notice.

The lawsuit claims that certain manufacturers of Oriented Strand Board ("OSB") unlawfully raised the prices paid by end user indirect purchasers of OSB. OSB is an engineered wood product used in construction, roofing, flooring and other applications. You are an indirect purchaser if you bought OSB for your use, and not for resale, from a store or reseller and not directly from the manufacturer. The lawsuit seeks damages, injunctive relief, attorneys' fees and costs from the manufacturers. Defendants deny that their conduct was unlawful in any respect. The Court has not ruled on the merits of these claims.

The Court has certified a nationwide Litigation Class, several State Subclasses, and a Settlement Class applicable to three settling manufacturers.

The Litigation Class consists of all persons in the United States who indirectly purchased for their own use, and not for resale, new OSB manufactured and sold by one or more of the following manufacturers in the United States from June 1, 2002 through February 24, 2006: Louisiana-Pacific Corp., Weyerhaeuser Co., Georgia-Pacific LLC f/k/a Georgia-Pacific Corp. ("Georgia-Pacific"), Potlatch Corp., Ainsworth Lumber Co. Ltd. ("Ainsworth"), Norbord Industries, Inc., Tolko Industries, Inc., J.M. Huber Corp. and Huber Engineered Woods LLC ("Huber") (collectively the "Defendant Manufacturers"). The Litigation Class has been certified for purposes of seeking injunctive relief only and not for money damages.

The Court also certified State Subclasses for persons who are members of the Litigation Class and who are residents of the following states: California, Florida, Iowa, Kansas, Maine, Massachusetts, Michigan, Minnesota, Mississippi, Nevada, New York, North Carolina, North Dakota, Tennessee, Vermont, West Virginia and Wisconsin. Damages are being sought on behalf of the State Subclasses under the laws of the various states.

For purposes of the settlements with Ainsworth, Georgia-Pacific or Huber, the Court has certified a Settlement Class consisting of all persons in the United States who, as end users, indirectly purchased for their own use, and not for resale, new OSB manufactured and sold by any of the Defendant Manufacturers in the United States during the period from June 1, 2002 through January 28, 2008.

Important exclusions and limitations apply to the class definitions. A complete description of the various classes is included in a Detailed Notice, available at www.OSBnotice.com or by calling toll free 1-800-401-0819.

Ainsworth agreed to pay $1,300,000, Georgia-Pacific agreed to pay $1,200,000 and Huber agreed to pay $850,000 into a settlement fund, and each agreed to cooperate in the continuing lawsuit against the remaining Defendant Manufacturers. Settlement Agreements with these three manufacturers, available at the website above, describe all of the details about the proposed settlements.

The settlements may or may not result in a distribution of money to members of the Settlement Class depending on certain factors, such as whether distributions are economically feasible and whether additional settlements with other manufacturers enhance the economic feasibility of a distribution. To the extent that a distribution to Settlement Class members is not economically feasible, all or a portion of the settlement fund will be distributed to one or more charitable or non-profit organizations approved by the Court.

If you don't want to be a member of the Litigation Class, or if you don't want to be a member of the Settlement Class with respect to Ainsworth, Georgia-Pacific and/or Huber, you must exclude yourself by May 9, 2008. If you exclude yourself from the Settlement Class, you cannot get money from these settlements. If you stay in the Settlement Class, you may object to the settlements by May 9, 2008. The Detailed Notice explains how to exclude yourself or object. You do not need to do anything at this time to remain a member of any class or to participate in the settlements.

The Court will hold a hearing in this case, In re OSB Antitrust Litigation, Master File No. 06-CV-00826 (PSD), on May 29, 2008, at 2:00 p.m., before the Honorable Paul S. Diamond, United States District Court for the Eastern District of Pennsylvania, at 601 Market Street, Philadelphia, PA 19106. The hearing is to determine whether the proposed settlements with Ainsworth, Georgia-Pacific, and Huber should be approved as fair, reasonable and adequate, whether the Settlement Class should be certified, whether Class Counsel's application for reimbursement of past and ongoing litigation expenses should be approved, and whether the class action against Ainsworth, Georgia-Pacific and Huber should be dismissed on the merits and with prejudice. The Court may adjourn or continue the Settlement Hearing without further notice to the Settlement Class. You may attend the hearing if you wish, but you are not required to do so to participate in the Settlements.

This notice is only a summary. More information is provided in a Detailed Notice available online at www.OSBnotice.com. You may also write to OSB Class Notice Request, c/o The Notice Company, P.O. Box 778, Hingham, MA 02043 or call toll-free 1-800-401-0819 to request that a copy of the Detailed Notice be mailed to you.