7TX1 These shares are issued by a close corporation as defined by the Texas Business Corporation Act. A Shareholders' agreement may provide for management of a close corporation by the shareholders' or in other ways different from an ordinary corporation. This may subject the holder of this certificate to certain obligations and liabilities not otherwise imposed on shareholders' of an ordinary corporation. On any sale or transfer of these shares, the transferor is obligated to deliver to the transferee a complete copy of any Shareholders' agreement.