Risks and Uncertainties	6 Months Ended
Nov. 30, 2012
Risks and Uncertainties	Note 7. Risks and Uncertainties Greystone derives a substantial portion of its revenue from a national brewer. This customer accounted for approximately 74% and 75% of Greystone’s pallet sales and 65% and 61% of Greystone’s total sales for the six months ended November 30, 2012 and 2011, respectively. Greystone’s recycled plastic pallets are approved for use by the customer and, at the current time, are the only plastic pallets used by the customer for shipping products. There is no assurance that Greystone will retain this customer’s business at the same level, or at all. The loss of a material amount of business from this customer could have a material adverse effect on Greystone. Warren F. Kruger, President and CEO, Robert B. Rosene, Jr., a Greystone director, have provided financing and guarantees on Greystone’s bank debt. As of November 30, 2012, Greystone is indebted to Mr. Kruger in the amount of $527,716 for a note payable and to Mr. Rosene in the amount of $3,482,987 for a note payable and related accrued interest. Effective January 15, 2012, Messrs. Kruger and Rosene agreed to a two year extension on the debt. There is no assurance that these individuals will continue to provide extensions in the future. See Note 5 for a discussion of the cross-default and cross-collateralization provisions contained in the loan agreement dated as of March 4, 2005, as amended, with F&M.

Risks and Uncertainties

6 Months Ended

Nov. 30, 2012

Note 7. Risks and Uncertainties

Greystone derives a substantial portion of its revenue from a national brewer. This customer accounted for approximately 74% and 75% of Greystone’s pallet sales and 65% and 61% of Greystone’s total sales for the six months ended November 30, 2012 and 2011, respectively. Greystone’s recycled plastic pallets are approved for use by the customer and, at the current time, are the only plastic pallets used by the customer for shipping products. There is no assurance that Greystone will retain this customer’s business at the same level, or at all. The loss of a material amount of business from this customer could have a material adverse effect on Greystone.

Warren F. Kruger, President and CEO, Robert B. Rosene, Jr., a Greystone director, have provided financing and guarantees on Greystone’s bank debt. As of November 30, 2012, Greystone is indebted to Mr. Kruger in the amount of $527,716 for a note payable and to Mr. Rosene in the amount of $3,482,987 for a note payable and related accrued interest. Effective January 15, 2012, Messrs. Kruger and Rosene agreed to a two year extension on the debt. There is no assurance that these individuals will continue to provide extensions in the future.

See Note 5 for a discussion of the cross-default and cross-collateralization provisions contained in the loan agreement dated as of March 4, 2005, as amended, with F&M.