If (a) any expert named in the registration statement as having prepared or certified any part thereof (or is named as having prepared or certified a report or valuation for use in connection with the registration statement), or (b) counsel for the registrant, underwriters or selling security holders named in the prospectus as having given an opinion upon the validity of the securities being registered or upon other legal matters in connection with the registration or offering of such securities, was employed for such purpose on a contingent basis, or at the time of such preparation, certification or opinion or at any time thereafter, through the date of effectiveness of the registration statement or that part of the registration statement to which such preparation, certification or opinion relates, had, or is to receive in connection with the offering, a substantial interest, direct or indirect, in the registrant or any of its parents or subsidiaries or was connected with the registrant or any of its parents or subsidiaries as a promoter, managing underwriter (or any principal underwriter, if there are no managing underwriters) voting trustee, director, officer, or employee, furnish a brief statement of the nature of such contingent basis, interest, or connection.