P R O X Y IES INDUSTRIES INC. PROXY CARD FOR ANNUAL MEETING ON SEPTEMBER 5, 1996 The undersigned hereby appoints David Q. Reed, Henry Royer and Robert W. Schlutz, jointly and severally, with full power of substitution, to vote all shares of Common Stock which the undersigned is entitled to vote at the Annual Meeting of Shareholders to be held at the Collins Plaza Hotel, 1200 Collins Road N.E., Cedar Rapids, Iowa, on the 5th day of September, 1996, at 10:00 A.M. (CDT), or any adjournment thereof. The Board of Directors unanimously recommends a vote FOR the following. 1. The election of directors: FOR ALL / / AGAINST ALL / / EXCEPTIONS / / Nominees: C.R.S. Anderson; J. Wayne Bevis; Lee Liu; Jack R. Newman; Robert D. Ray; David Q. Reed; Henry Royer; Robert W. Schlutz; Anthony R. Weiler. Exception(s): --------------------------------------------------------- 2. Approval of Merger Agreement: FOR / / AGAINST / / ABSTAIN / / THIS PROXY IS SOLICITED BY THE BOARD OF DIRECTORS OF THE COMPANY THE PROXY, WHEN PROPERLY EXECUTED, WILL BE VOTED IN THE MANNER SPECIFIED AND BY THE PERSONS NAMED ABOVE IN THEIR DISCRETION ON SUCH OTHER MATTERS AS MAY PROPERLY COME BEFORE THE MEETING. IF NO SPECIFICATION IS MADE, THIS PROXY WILL BE VOTED FOR ALL NOMINEES FOR ELECTION TO THE BOARD OF DIRECTORS AND FOR APPROVAL OF THE AGREEMENT AND PLAN OF MERGER, DATED AS OF NOVEMBER 10, 1995, AS AMENDED, BY AND BETWEEN, AMONG OTHERS, WPL HOLDINGS, INC.; IES INDUSTRIES INC.; AND INTERSTATE POWER COMPANY. (Continued, and to be signed on the other side) (Continued from other side) Dated , 1996 PLEASE ------------------- ------------------------------- INDICATE ANY ------------------------------- CHANGE Signature of Shareholder IN ADDRESS Please sign exactly as name appears. Executors, administrators, trustees, etc., should give full title as such. If the signer is a corporation, please sign full corporate name by duly authorized officer. PLEASE DATE, SIGN AND RETURN THIS PROXY IES INDUSTRIES INC. Proxy/Direction Card for Annual Meeting on September 5, 1996 - -------------------------------------------------------------------------------- THIS PROXY/DIRECTION IS SOLICITED BY THE BOARD OF DIRECTORS OF IES INDUSTRIES INC ("IES INDUSTRIES"). The undersigned hereby appoints David Q. Reed, Henry Royer, and Robert W. Schlutz, jointly and severally, with full power of substitution, to vote all shares of common stock which the undersigned holds of record and is entitled to vote at the Annual Meeting of Shareholders to be held at the Collins Plaza Hotel, 1200 Collins Road N.E., Cedar Rapids, Iowa, on the 5th day of September, 1996 at 10:00 a.m. (CDT), or any adjournment thereof. ALL SHARES VOTABLE INCLUDE SHARES HELD OF RECORD BY THE ADMINISTRATOR FOR THE PARTICIPANTS IN THE IES INDUSTRIES DIVIDEND REINVESTMENT AND STOCK PURCHASE PLAN, EMPLOYEE STOCK PURCHASE PLAN, BONUS STOCK OWNERSHIP PLAN, EMPLOYEE STOCK OWNERSHIP PLAN AND EMPLOYEE SAVINGS PLAN. SHARES WILL BE VOTED IN THE MANNER SPECIFIED BY THE UNDERSIGNED AND IN THE DISCRETION OF THE PERSONS NAMED ABOVE OR SUCH ADMINISTRATOR ON SUCH OTHER MATTERS AS MAY PROPERLY COME BEFORE THE MEETING. IF NO SPECIFICATION IS MADE, SUCH SHARES WILL BE VOTED BY THE PERSONS NAMED ABOVE OR SUCH ADMINISTRATOR FOR ALL NOMINEES TO THE BOARD OF DIRECTORS AND FOR APPROVAL OF THE AGREEMENT AND PLAN OF MERGER, DATED AS OF NOVEMBER 10, 1995, AS AMENDED, BY AND BETWEEN, AMONG OTHERS, WPL HOLDINGS, INC.; IES INDUSTRIES INC.; AND INTERSTATE POWER COMPANY. The following space is provided for comments. Please mark the comments box on the reverse side if you use this space. - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- (continued and to be signed on reverse side) /X/ Please mark your votes as in this example / / THE BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS A VOTE FOR THE FOLLOWING: AGAINST EXCEPTIONS: 1. THE ELECTION OF FOR ALL ALL EXCEPTIONS NOMINEES: C.R.S. Anderson; J. Wayne DIRECTORS: / / / / / / Bevis; Lee Liu; Jack R. Newman; Robert D. To withold authority to vote for any Ray; David Q. Reed; Henry Royer; Robert particular nominee write the W. Schultz; Anthony R. Weiler. nominee's name(s) on the line(s) below: ------------------------------------- ------------------------------------- FOR AGAINST ABSTAIN 2. APPROVAL / / / / / / Approve Agreement and Plan of Merger, OF dated as of November 10, 1995, as amended, MERGER by and between, among others, WPL AGREEMENT Holdings, Inc.; IES Industries, Inc.; and Interstate Power Company. ------------------------------------- If you have noted comments on the other side of the card mark here. / / ------------------------------------- Please sign exactly as name appears hereon. Joint owners should each sign. When signing as attorney, executor, administrator, trustee or guardian, please give full title as such. ------------------------------------- ------------------------------------- SIGNATURE(S) DATE