SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 -------------------------------------------------------------------------------- In the Matter of: SEMI-ANNUAL CERTIFICATE AMEREN CORPORATION PURSUANT TO RULE 24 UNDER THE UNION ELECTRIC DEVELOPMENT PUBLIC UTILITY HOLDING COMPANY CORPORATION ACT OF 1935 CIPSCO INVESTMENT COMPANY File No. 70-9965 ================================================================================ Ameren Corporation ("Ameren"), a registered holding company, and its subsidiaries named above, hereby file this certificate pursuant to Rule 24 reporting on transactions authorized by the Commission by order dated June 4, 2002 (Holding Co. Act Release No. 35-27536). This certificate is filed with respect to transactions consummated during the period commencing January 1, 2003 and ending June 30, 2003. File No. 70-9965: ---------------- a. The consolidated balance sheet and twelve-month statement of income as of the end of the six-month period. To be filed confidentially as Exhibits A and B under Rule 104. b. The amount of revenues and any form of compensation received during each six-month period ending June 30 or December 31 as applicable, from any and all Tax Credit Projects directly or indirectly owned. Other than the annual tax credits which lower the amount of paid taxes, neither Union Electric Development Corporation or CIPSCO Investment Company ("CIC") receive any revenue or compensation from these tax credit investments. c. The name of each new Tax Credit Project company in which an investment was made during the six-month period and upon staff request a copy of the applicable operating agreement. On June 6, 2003, CIC made an additional $500,000 equity commitment to the 2003 Illinois Equity Fund, LLC. d. The amounts of investment made during each six-month period in the Tax Credit Projects and cumulative comparisons of the $125 million authorized in this order. Refer to attached Exhibit C. e. The cumulative number of any and all Tax Credit Projects, and any other investment position in any form of non-utility assets at the end of each six-month period. Refer to Note 2 to attached Exhibit C. The undersigned registered holding company has duly caused this semi-annual report to be signed on its behalf by the undersigned officer thereunto duly authorized pursuant to the requirements of the Public Utility Holding Company Act of 1935. Ameren Corporation By /s/ Jerre E. Birdsong Date: August 13, 2003 -------------------------------------- Jerre E. Birdsong Vice President and Treasurer EXHIBIT C Ameren - Equity Tax Credit Investment Summary Union Electric Development Corporation (UEDC) --------------------------------------------- Equity Invested as of 12/31/2002 As of 6/30/2003 St. Louis Equity Fund: St. Louis, MO 1988 LP $ 512,047 $ 512,047 1990 LP $ 484,325 $ 484,325 1991 LP $ 498,931 $ 498,931 1992 LP $ 516,461 $ 516,461 1993 LP $ 489,812 $ 489,812 1994 LP $ 480,547 $ 491,028 1995 LLC $ 493,400 $ 493,400 1996 LLC $ 518,245 $ 591,550 1997 LLC $ 571,945 $ 592,714 1998 LLC $ 403,877 $ 495,086 1999 LLC $ 436,892 $ 618,117 2000 LLC $ 349,811 $ 509,760 2001 LLC $ 240,549 $ 390,993 2002 LLC $ 90,000 $ 178,017 2003 LLC Note 1 $ - Housing Missouri, Inc: St. Louis, MO 1996 LLC $ 244,862 $ 286,956 1997 LLC $ 238,840 $ 286,464 1998 LLC $ 195,413 $ 240,933 ------------------------------------ Total UEDC: $ 6,765,957 $ 7,676,594 CIPSCO Investment Company (CIC) ------------------------------- Illinois Equity Fund: Springfield, Illinois 1992 LP $ 500,000 $ 500,000 1994 LP $ 920,131 $ 1,000,001 1996 LP $ 899,048 $ 1,000,000 1998 LP $ 349,144 $ 446,260 2000 LP $ 59,731 $ 103,464 2002 LP $ - $ 50,114 St. Louis Equity Fund: St. Louis, Missouri 1999 LLC $ 218,447 $ 309,059 2000 LLC $ 174,905 $ 254,879 2001 LLC $ 120,275 $ 195,497 2002 LLC $ 45,000 $ 89,009 2003 LLC Note 2 ------------------------------------ Total CIC: $ 3,286,681 $ 3,948,283 Ameren Corporation Total: $ - $10,052,638 $11,624,877 1 Notes 1 On December 19, 2002 UEDC signed a subscription agreement for the SLEF 2003 LLC fund in the amount of $1,500,000. As of June 30, 2003 no equity has been paid. 2 On June 6, 2003 CIC signed a subscription agreement for the IEF 2003 LLC fund in the amount of $500,000. As of June 30, 2003 no equity has been paid. SEC Authorized Amount $125,000,000 Remaining Balance Commitments prior to SEC Order $ 16,600,000 $108,400,000 Subsequent Commitments SLEF 2003 (12/19/2002) $ 1,500,000 $106,900,000 IEF 2003(6/6/2003) $ 500,000 $106,400,000 2