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The number of shares outstanding of the registrant's common stock, $0.15 par value per share, as of the close of business on April 30, 2012, was 53,720,016, which includes exchangeable shares of TWP Acquisition Company (Canada), Inc., a wholly owned subsidiary of the registrant. These shares are exchangeable at any time into an aggregate of 22,830 shares of common stock of the registrant; entitle the holder to dividend and other rights substantially economically equivalent to those of a share of common stock; and, through a voting trust, entitle the holder to a vote on matters presented to common shareholders.
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