SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 -------------------------------------------------------------------------------- In the Matter of: AMEREN CORPORATION QUARTERLY CERTIFICATE AMEREN SERVICES COMPANY PURSUANT TO RULE 24 UNDER THE UNION ELECTRIC COMPANY PUBLIC UTILITY HOLDING COMPANY CENTRAL ILLINOIS PUBLIC SERVICE ACT OF 1935 COMPANY File Nos. 70-9877, 70-9427, 70-9423 and 70-9133 ================================================================================ 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 orders dated October 5, 2001 (Holding Co. Act Release No. 27449), July 23, 1999 (Holding Co. Act Release No. 27053), and March 22, 1999 (Holding Co. Act Release No. 26993). This certificate is filed with respect to transactions consummated during the quarter ended December 31, 2001. A. File No. 70-9877: ---------------- 1. Sales of any Common Stock (other than pursuant to the Plans) and the purchase price per share and the market price per share at the date of the agreement of sale. N/A 2. The total number of shares of Common Stock issued or issuable under options, warrants or other stock-purchase rights granted during the quarter under the Plans. Dividend Reinvestment and Stock Purchase Plan 435,396 Long Term Savings Plan 148 11,787 Long Term Savings Plan 702 7,888 Savings Investment Plan 106,664 Long Term Incentive Plan 0 ------- Total 561,735 3. If Common Stock has been transferred to a seller of securities of a company being acquired, the number of shares so issued, the value per share and whether the shares are restricted to the acquiror. N/A 4. The amount and terms of any Long-term Debt, Preferred Stock or other preferred or equity-linked securities issued by Ameren, directly or indirectly through a Financing Subsidiary, during the calendar quarter. During the 4th quarter of 2001, Ameren Corporation issued $150 million floating rate notes due December 12, 2003. These notes are non-callable and bear interest (reset quarterly) at 3-month LIBOR plus 95 basis points. 5. The amount and terms of any Short-term Debt issued directly or indirectly by Ameren during the calendar quarter. A. Commercial paper issued through J. P. Morgan Securities, Bank of America Securities, and/or Goldman Sachs during the quarter, ranging from $290.4 million to $463.9 million, at an average interest rate of 2.3%. B. Bank Loans from Banca Di Roma and Mellon Bank: Banca Di Roma - $25,000,000 on 12/11/01 at a rate of 2.0% Mellon Bank - $11,400,000 on 12/11/01 at a rate of 2.0% Mellon Bank - $20,000,000 from 12/21/01 through 12/31/01 at a rate of 2.15% Maximum indebtedness at any one time: $463.9 million on 11/21/01. 6. A description of the amount, terms and purpose of any Guarantee issued during the calendar quarter by Ameren and the name of the beneficiary of such Guarantee. Parent Subsidiary Amount Terms Purpose Ameren Corp. Ameren Energy Marketing $10,000,000 12/20/01-12/31/02 Credit Support Ameren Corp. Ameren Energy Fuels & Svcs. $ 1,000,000 12/20/01-12/31/02 Credit Support Ameren Corp. Ameren Energy Marketing $ 3,000,000 12/20/01-12/31/02 Credit Support Ameren Corp. Ameren Energy Fuels & Svcs. $ 2,000,000 12/20/01-12/31/02 Credit Support Ameren Corp. Ameren Energy Marketing $ 3,000,000 12/20/01-12/31/02 Credit Support Ameren Corp. Ameren Energy Fuels & Svcs. $ 1,000,000 12/20/01-12/31/02 Credit Support Ameren Corp. Ameren Energy Communications $ 1,920,000 10/26/01-12/31/03 Credit Support Ameren Corp. Ameren Energy Marketing $ 3,000,000 12/20/01-12/31/02 Credit Support Ameren Corp. Ameren Energy Marketing $ 3,000,000 12/20/01-12/31/02 Credit Support Ameren Corp. Ameren Energy Fuels & Svcs. $ 500,000 12/20/01-12/31/02 Credit Support Ameren Corp. Ameren Energy Marketing $ 1,000,000 12/20/01-12/31/02 Credit Support Ameren Corp. Ameren Energy Marketing $ 4,000,000 12/20/01-12/31/02 Credit Support Ameren Corp. Ameren Energy Fuels & Svcs. $ 500,000 12/20/01-12/31/02 Credit Support Ameren Corp. Ameren Energy Marketing $ 7,000,000 12/20/01-12/31/02 Credit Support Ameren Corp. Ameren Energy Marketing $10,000,000 12/18/01-12/31/02 Credit Support 7. The name and amount invested by Ameren in any Financing Subsidiary during the calendar quarter. N/A 8. The notional amount and principal terms of any Interest Rate Hedge or Anticipatory Hedge entered into during the quarter and the identity of the parties to such instruments. No such agreements were entered into during the 4th quarter of 2001. 9. Consolidated balance sheet of Ameren as of the end of the calendar quarter. Incorporated by reference to current report on Form 8K dated 02-14-02 in File No. 1-14756. B. File No. 70-9427: ---------------- 1. Balance Sheet and Income Statement for each Intermediate Subsidiary for the three, six or nine month period ended. N/A 2 2. Information concerning the nature and extent of services provided by Ameren Development, Ameren Energy, CIC or any other non-utility subsidiary that is authorized or permitted under the Act to sell goods and services during the quarter, identifying the associate company to which such services are sold, the service and the charge, and stating whether the charge was computed at cost, market or by another method (as specified herein). To be filed confidentially under Rule 104. 3. Information concerning the completion of any reorganization of Ameren's ownership in Intermediate Subsidiaries and/or Nonutility Subsidiaries, including the identity of the companies involved and their line of business and corporate structure both before and after the reorganization. N/A C. File No. 70-9423: ---------------- The maximum outstanding amount of all borrowings under or investments in the Utility Money Pool by each Utility Money Pool participant during the quarter, and the rate or range of rates charged on Utility Money Pool borrowings and paid on Utility Money Pool investments during the quarter. Maximum contribution/investment for CIPS - $24.2 million Maximum contribution/investment for Union Electric - $116.3 million Maximum contribution/investment for Ameren Corporation - $50.0 million Maximum borrowing for Ameren Services - $108.0 million Maximum borrowing for CIPS - $49.4 million Average interest rate for the Utility Money Pool for the quarter: 2.3% D. File No. 70-9133: ---------------- 1. The amount and terms of any Short-term Debt issued by Union Electric or CIPS (other than through the Utility Money Pool) during the calendar quarter. Union Electric: Commercial paper issued through Bank One Capital Markets, Goldman Sachs, and/or A. G. Edwards & Sons, ranging from a low of $0.00 to a high of $196.3 million, at an average interest rate of 2.3%. 2. The notional amount and principal terms of any Interest Rate Hedge entered into during the quarter by Union Electric or CIPS and the identity of the parties to such instruments. No such agreements were entered into during the 4th quarter of 2001. 3 SIGNATURE The undersigned registered holding company has duly caused this quarterly 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/ Steven R. Sullivan -------------------------------- Steven R. Sullivan Vice President, General Counsel and Secretary February 28, 2002 4