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11. Stockholder Rights Plan	12 Months Ended
May 31, 2012
Stockholder Rights Plan
11. Stockholder Rights Plan	11. STOCKHOLDER RIGHTS PLAN: The Company’s Board of Directors adopted a Stockholder Rights Plan on March 5, 2001, under which a dividend of one Right to purchase one one-thousandth of a share of the Company’s Series A Participating Preferred Stock was distributed for each outstanding share of the Company’s common stock. The plan entitled each Right holder to purchase 1/1000^th of a share of the Company’s Series A Participating Preferred Stock at an exercise price of $35.00, subject to adjustment, in certain events, such as a tender offer to acquire 20% or more of the Company’s outstanding common stock. Under some circumstances, such as if a person or group acquires 20% or more of the Company’s common stock prior to redemption of the Rights, the plan entitled such holders (other than an acquiring party) to purchase the Company’s common stock having a market value at that time of twice the Right’s exercise price. The Rights expired on April 3, 2010.

11. Stockholder Rights Plan

12 Months Ended

May 31, 2012

11. STOCKHOLDER RIGHTS PLAN:

The Company’s Board of Directors adopted a Stockholder Rights Plan on March 5, 2001, under which a dividend of one Right to purchase one one-thousandth of a share of the Company’s Series A Participating Preferred Stock was distributed for each outstanding share of the Company’s common stock. The plan entitled each Right holder to purchase 1/1000^th of a share of the Company’s Series A Participating Preferred Stock at an exercise price of $35.00, subject to adjustment, in certain events, such as a tender offer to acquire 20% or more of the Company’s outstanding common stock. Under some circumstances, such as if a person or group acquires 20% or more of the Company’s common stock prior to redemption of the Rights, the plan entitled such holders (other than an acquiring party) to purchase the Company’s common stock having a market value at that time of twice the Right’s exercise price. The Rights expired on April 3, 2010.