X0202 4 2004-06-30 0 0000351809 DOTRONIX INC DOTX 0001268563 ESTATE OF WILLIAM SADLER C/O KURT SADLER DOTRONIX INC 160 FIRST ST SE NEW BRIGHTON MN 55112-7894 0 0 1 0 0001268388 SADLER DOROTHY E 0 0 1 0 0001268387 SADLER JILL D 0 0 1 0 Common Stock 663959 D Common Stock 12800 D Common Stock 39900 D Common Stock Warrants (right to buy) 2.50 2004-06-30 4 J 0 165990 0 A 2004-06-30 2007-06-29 Common Stock 165990 165990 D Common Stock Warrants (right to buy) 5.00 2004-06-30 4 J 0 165990 0 A 2004-06-30 2007-06-29 Common Stock 165990 165990 D Common Stock Warrants (right to buy) 7.50 2004-06-30 4 J 0 165989 0 A 2004-06-30 2007-06-29 Common Stock 165989 165989 D Common Stock Warrants (right to buy) 2.50 2004-06-30 4 J 0 3200 0 A 2004-06-30 2007-06-29 Common Stock 3200 3200 D Common Stock Warrants (right to buy) 5.00 2004-06-30 4 J 0 3200 0 A 2004-06-30 2007-06-29 Common Stock 3200 3200 D Common Stock Warrants (right to buy) 7.50 2004-06-30 4 J 0 3200 0 A 2004-06-30 2007-06-29 Common Stock 3200 3200 D Common Stock Warrants (right to buy) 2.50 2004-06-30 4 J 0 9975 0 A 2004-06-30 2007-06-29 Common Stock 9975 9975 D Common Stock Warrants (right to buy) 5.00 2004-06-30 4 J 0 9975 0 A 2004-06-30 2007-06-29 Common Stock 9975 9975 D Common Stock Warrants (right to buy) 7.50 2004-06-30 4 J 0 9975 0 A 2004-06-30 2007-06-29 Common Stock 9975 9975 D Held by the Estate of William S. Sadler and includes an interest in 704,800 shares of common stock held by Minnesota River Aviation, Inc. Held by Dorothy E. Sadler. As Co-Personal Representative of the Estate of William S. Sadler, Dorothy E. Sadler also indirectly holds the shares reported by the Estate and disclaims beneficial interest except as to her proportionate interest therein. Held by Jill D. Sadler. As Co-Personal Representative of the Estate of William S. Sadler, Jill D. Sadler also indirectly holds the shares reported by the Estate and disclaims beneficial interest except as to her proportionate interest therein. Each shareholder of Dotronix common stock as of June 30, 2004 received for each four shares of common stock held by the shareholder three three-year warrants to acquire one share of common stock each. The dividend warrants include redemption rights. Such redemption rights will be triggered if the common stock trades for a period of at least ten consecutive trading days at certain fixed prices per shares that are currently set at $3.40, $7,00 and $10.50, respectively. /s/ Dorothy E. Sadler and Jill D. Sadler on behalf of Estate of William S. Sadler, by Co-Personal Representatives /s/ Dorothy E. Sadler, Individually /s/ Jill D. Sadler, Individually 2004-07-02