Registration Statement and Proxy Statement (a) None of the information supplied or to be supplied by or on behalf of WPL for inclusion or incorporation by reference in: (i) the registration statement on Form S-4 to be filed with the SEC by WPL in connection with the issuance of shares of WPL Common Stock in the Merger (the "Registration Statement") will, at the time the Registration Statement is filed with the SEC and at the time it becomes effective under the Securities Act, contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary to make the statements therein not misleading; and (ii) the joint proxy statement, in definitive form, relating to the meetings of WPL, IES and Interstate shareholders to be held in connection with the Merger (the "Proxy Statement") will, at the date(s) mailed to shareholders and at the times of the meetings of shareholders to be held in connection with the Merger, contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary in order to make the statements therein, in light of the circumstances under which they are made, not misleading. (b) The Registration Statement and the Proxy Statement will comply as to form in all material respects with the provisions of the Securities Act and the Exchange Act, respectively, and the applicable rules and regulations thereunder.