SECURITIES AND EXCHANGE COMMISSION Washington, DC FORM U-6B-2 Certificate of Notification Filed by a registered holding company or subsidiary thereof pursuant to Rule U-20-(d) [Reg. Section 250.20, P. 36,652] or U-47 [Reg. Section 250.47, P. 36,620] adopted under the Public Utility Holding Company Act of 1935. Certificate is filed by: Ameren Corporation (AMC), Ameren Services Company (AMS), Ameren Energy, Inc. (AME), CIPSCO Investment Company (CIC), Ameren Energy Communications, Inc. (AEC), Ameren ERC, Inc. (ERC), Ameren Energy Resources Company (AER), Illinois Material Supply Co. (IMS), Ameren Energy Generating Company (AEG), Ameren Energy Marketing Company (AEM), Ameren Energy Fuels and Services Company (AFS), Ameren Energy Development Company (AED), Union Electric Development Corporation (UEDC) and Ameren Development Company (ADC). This certificate is notice that the above named companies have issued, renewed or guaranteed the security or securities described herein which issue, renewal or guaranty was exempted from the provisions of Section 6(a) of the Act and was neither the subject of a declaration or application on Form U-1 nor included within the exemption provided by Rule U-48 [Reg. Section 250.48, P. 36,621]. 1. Type of securities ("draft", "promissory note"): Promissory Notes. 2. Issue, renewal or guaranty: Issue. 3. Principal amount of each security: A non-utility money pool agreement ("Agreement") allows non-utility subsidiaries of AMC to contribute and/or borrow funds without going to an external provider or creditor. The principal amount is limited only by cash available. Funds are borrowed and/or repaid daily as cash needs dictate. See Attachments A (Contributions to the Non-Utility Money Pool) and B (Loans from Non-Utility Money Pool) for daily outstanding contributions and loans. 4. Rate of interest per annum of each security: Rates varied daily along with money market rates, as defined in the Agreement. (See Attachment C for daily rates.) 5. Date of issue, renewal, or guaranty of each security: Various. (See Attachments A and B.) 6. If renewal of security, give date of original issue: Not applicable. 7. Date of maturity of each security: All loans were made for one day, or in the case of Friday borrowings, until the next work day, and repaid or rolled over the next business days, as need dictated. (See attached Attachments A and B.) 8. Name of the person to whom each security was issued, renewed or guaranteed: Not applicable. 9. Collateral given with each security: None. 10. Consideration received for each security: Interest on loan amount. 11. Application of proceeds of each security: a) Loaned as needed to AME. (See Attachment B) b) Loaned as needed to AEC. (See Attachment B) c) Loaned as needed to ERC. (See Attachment B) d) Loaned as needed to AER. (See Attachment B) e) Loaned as needed to AEG. (See Attachment B) f) Loaned as needed to IMS. (See Attachment B) g) Loaned as needed to AED. (See Attachment B) h) Loaned as needed to AEM. (See Attachment B) i) Loaned as needed to AFS. (See Attachment B) j) Loaned as needed to ADC. (See Attachment B) k) Loaned as needed to CIC. (See Attachment B) 12. Indicate by a check after the applicable statement below whether the issue, renewal or guaranty of each security was exempt from the provisions of Section 6(a) because of: a) the provisions contained in the first sentence of Section 6(b): Not applicable. b) the provisions contained in the fourth sentence of Section 6(b): Not applicable. c) the provisions contained in any rule of the Commission other than Rule U-48: [X]. 13. If the security or securities were exempt from the provisions of Section 6(a) by virtue of the first sentence of Section 6(b), give the figures which indicate that the security or securities aggregate (together with all other than outstanding notes and drafts of a maturity of nine months or less, exclusive of days of grace, as to which such company is primarily or secondarily liable) not more than 5 percentum of the principal amount and par value of the other securities of such company then outstanding. (Demand notes, regardless of how long they may have been outstanding, shall be considered as maturing in not more than nine months for purposes of the exemption from Section 6(a) of the Act granted by the first sentence of Section 6(b)): Not applicable. 14. If the security or securities are exempt from the provisions of Section 6(a) because of the fourth sentence of Section 6(b), name the security outstanding on January 1, 1935, pursuant to the terms of which the security or securities herein described have been issued. Not applicable. 15. If the security or securities are exempt from the provisions of Section 6(a) because of any rule of the Commission other than Rule U-48 [Reg. ss. 250.48, P. 36,621] designate the rule under which exemption is claimed. Rule 52. /s/ Jerre E. Birdsong ----------------------------- Jerre E. Birdsong Vice President and Treasurer Ameren Corporation Dated: November 21, 2002 Attachment A Contributions to the Non-Utility Money Pool Outstanding Amounts (Thousands of Dollars) Date AEG AEM AMC CIC UEDC Total Beg Bal 32400 0 260770 1100 1900 296170 07/01/02 36300 0 256470 1100 1900 295770 07/02/02 35600 0 257370 1100 1900 295970 07/03/02 30900 0 263670 1100 1900 297570 07/04/02 30900 0 263670 1100 1900 297570 07/05/02 30300 0 262870 1100 1900 296170 07/06/02 30300 0 262870 1100 1900 296170 07/07/02 30300 0 262870 1100 1900 296170 07/08/02 29700 0 263270 1100 1800 295870 07/09/02 28700 0 259470 1100 1800 291070 07/10/02 27300 0 273870 0 1800 302970 07/11/02 26900 0 273970 0 1800 302670 07/12/02 16800 0 282370 0 1500 300670 07/13/02 16800 0 282370 0 1500 300670 07/14/02 16800 0 282370 0 1500 300670 07/15/02 15500 0 282170 0 1500 299170 07/16/02 14200 0 282970 0 1500 298670 07/17/02 13600 0 282970 0 1500 298070 07/18/02 13000 0 288170 0 1500 302670 07/19/02 12200 0 288870 0 1500 302570 07/20/02 12200 0 288870 0 1500 302570 07/21/02 12200 0 288870 0 1500 302570 07/22/02 7900 0 289470 0 1500 298870 07/23/02 5800 6500 283770 0 1500 297570 07/24/02 2800 6500 293370 0 1500 304170 07/25/02 0 6500 297770 0 1500 305770 07/26/02 0 9800 300270 0 1500 311570 07/27/02 0 9800 300270 0 1500 311570 07/28/02 0 9800 300270 0 1500 311570 07/29/02 0 14400 296870 0 1500 312770 07/30/02 31300 0 261470 0 1500 294270 07/31/02 28200 0 265170 0 1500 294870 08/01/02 16900 0 275870 0 1500 294270 08/02/02 16000 0 277270 0 1500 294770 08/03/02 16000 0 277270 0 1500 294770 08/04/02 16000 0 277270 0 1500 294770 08/05/02 14900 0 278370 0 1500 294770 08/06/02 14000 0 278370 0 1500 293870 08/07/02 11900 0 281070 0 1500 294470 08/08/02 11900 0 281670 0 1500 295070 08/09/02 10600 0 272970 0 1500 285070 08/10/02 10600 0 272970 0 1500 285070 08/11/02 10600 0 272970 0 1500 285070 08/12/02 7400 0 285470 0 1500 294370 08/13/02 6600 0 286270 0 1500 294370 08/14/02 6000 0 286270 0 1500 293770 08/15/02 3700 0 288570 0 1500 293770 08/16/02 3100 0 289370 0 1500 293970 08/17/02 3100 0 289370 0 1500 293970 08/18/02 3100 0 289370 0 1500 293970 08/19/02 1000 0 292570 0 1500 295070 08/20/02 0 500 290970 0 1500 292970 08/21/02 0 2900 294170 0 1500 298570 08/22/02 0 4200 305770 0 1500 311470 08/23/02 0 4200 313870 0 1500 319570 08/24/02 0 4200 313870 0 1500 319570 08/25/02 0 4200 313870 0 1500 319570 08/26/02 0 8600 311770 0 1500 321870 08/27/02 0 18000 304170 0 1500 323670 08/28/02 34300 0 263570 0 1500 299370 08/29/02 35200 4000 262670 0 1500 303370 08/30/02 33800 4000 264970 0 1400 304170 08/31/02 33800 4000 264970 0 1400 304170 09/01/02 33800 4000 264970 0 1400 304170 09/02/02 33800 4000 264970 0 1400 304170 09/03/02 29100 4300 269170 0 1400 303970 09/04/02 28600 4300 269770 0 1400 304070 09/05/02 27800 4300 270570 0 1400 304070 09/06/02 26900 4300 271470 0 1400 304070 09/07/02 26900 4300 271470 0 1400 304070 09/08/02 26900 4300 271470 0 1400 304070 09/09/02 25100 4600 270270 0 1400 301370 09/10/02 24900 4600 270270 0 1400 301170 09/11/02 23400 4600 270970 0 1400 300370 09/12/02 17700 4600 274670 0 1400 298370 09/13/02 16500 4600 276370 0 1400 298870 09/14/02 16500 4600 276370 0 1400 298870 09/15/02 16500 4600 276370 0 1400 298870 09/16/02 15600 4900 277070 0 1400 298970 09/17/02 13900 6200 277670 0 1400 299170 09/18/02 8500 6200 282970 0 1400 299070 09/19/02 4000 8700 286670 0 1400 300770 09/20/02 0 10000 293970 0 1400 305370 09/21/02 0 10000 293970 0 1400 305370 09/22/02 0 10000 293970 0 1400 305370 09/23/02 0 12400 299670 0 1400 313470 09/24/02 0 14600 297670 0 1400 313670 09/25/02 0 18900 298670 0 1400 318970 09/26/02 0 22300 294470 0 1400 318170 09/27/02 36300 4000 265170 0 1400 306870 09/28/02 36300 4000 265170 0 1400 306870 09/29/02 36300 4000 265170 0 1400 306870 09/30/02 31500 3300 277270 0 1400 313470 Attachment B Loans From Non-Utility Money Pool (Thousands of Dollars) AFS ADC AEC AED AEG AEM AER AME CIC ERC IMS UEDC Total Loans Beg Bal 31,675 1,450 24,000 192,425 0 11,300 8,400 3,870 0 13,090 9,960 0 296170 07/01/02 31,275 1,450 24,000 192,425 0 11,300 8,400 4,170 0 12,790 9,960 0 295770 07/02/02 31,275 1,450 24,000 192,425 0 11,400 8,400 4,270 0 12,790 9,960 0 295970 07/03/02 32,875 1,450 24,000 192,425 0 11,400 8,400 4,270 0 12,790 9,960 0 297570 07/04/02 32,875 1,450 24,000 192,425 0 11,400 8,400 4,270 0 12,790 9,960 0 297570 07/05/02 31,475 1,450 24,000 192,425 0 11,400 8,400 4,270 0 12,790 9,960 0 296170 07/06/02 31,475 1,450 24,000 192,425 0 11,400 8,400 4,270 0 12,790 9,960 0 296170 07/07/02 31,475 1,450 24,000 192,425 0 11,400 8,400 4,270 0 12,790 9,960 0 296170 07/08/02 31,075 1,450 24,000 192,425 0 11,400 8,400 4,270 0 12,790 10,060 0 295870 07/09/02 31,075 1,450 24,000 192,425 0 6,600 8,400 4,270 0 12,790 10,060 0 291070 07/10/02 31,375 1,450 24,400 194,725 0 7,400 8,600 7,670 3,200 13,790 10,360 0 302970 07/11/02 31,375 1,350 24,400 194,725 0 7,200 8,600 7,670 3,200 13,790 10,360 0 302670 07/12/02 28,975 1,350 24,400 195,825 0 7,200 8,600 7,670 3,200 13,790 9,660 0 300670 07/13/02 28,975 1,350 24,400 195,825 0 7,200 8,600 7,670 3,200 13,790 9,660 0 300670 07/14/02 28,975 1,350 24,400 195,825 0 7,200 8,600 7,670 3,200 13,790 9,660 0 300670 07/15/02 29,175 1,350 24,400 195,825 0 5,700 8,600 7,870 3,200 13,790 9,260 0 299170 07/16/02 29,175 1,350 24,400 195,825 0 5,700 8,600 7,870 3,000 13,790 8,960 0 298670 07/17/02 29,175 1,350 24,400 195,925 0 5,000 8,600 7,870 3,000 13,790 8,960 0 298070 07/18/02 30,875 1,350 24,400 199,225 0 4,800 8,600 7,870 3,000 13,790 8,760 0 302670 07/19/02 31,175 1,350 24,400 199,225 0 3,600 8,600 7,870 3,000 13,790 9,560 0 302570 07/20/02 31,175 1,350 24,400 199,225 0 3,600 8,600 7,870 3,000 13,790 9,560 0 302570 07/21/02 31,175 1,350 24,400 199,225 0 3,600 8,600 7,870 3,000 13,790 9,560 0 302570 07/22/02 30,775 1,350 24,500 199,225 0 100 8,600 7,970 3,000 13,790 9,560 0 298870 07/23/02 29,075 1,350 24,500 199,225 0 0 8,600 7,970 3,000 13,790 10,060 0 297570 07/24/02 35,675 1,350 24,500 199,225 0 0 8,600 7,970 3,000 13,790 10,060 0 304170 07/25/02 36,775 1,350 24,500 201,025 500 0 8,600 7,970 3,000 13,790 8,260 0 305770 07/26/02 40,575 1,350 24,500 201,725 1,600 0 8,600 7,970 3,000 13,790 8,460 0 311570 07/27/02 40,575 1,350 24,500 201,725 1,600 0 8,600 7,970 3,000 13,790 8,460 0 311570 07/28/02 40,575 1,350 24,500 201,725 1,600 0 8,600 7,970 3,000 13,790 8,460 0 311570 07/29/02 38,675 1,350 24,500 201,725 4,700 0 8,600 7,970 3,000 13,790 8,460 0 312770 07/30/02 22,775 1,350 24,900 201,425 0 5,900 8,800 4,270 3,000 13,590 8,260 0 294270 07/31/02 23,175 1,350 24,900 201,425 0 6,000 8,800 4,370 3,000 13,590 8,260 0 294870 08/01/02 22,675 1,350 24,900 201,425 0 5,700 8,800 4,570 3,000 13,590 8,260 0 294270 08/02/02 23,075 1,350 24,900 201,525 0 5,700 8,800 4,570 3,000 13,590 8,260 0 294770 08/03/02 23,075 1,350 24,900 201,525 0 5,700 8,800 4,570 3,000 13,590 8,260 0 294770 08/04/02 23,075 1,350 24,900 201,525 0 5,700 8,800 4,570 3,000 13,590 8,260 0 294770 08/05/02 23,075 1,350 24,900 201,525 0 5,700 8,800 4,570 3,000 13,590 8,260 0 294770 08/06/02 22,375 1,350 24,900 201,725 0 5,700 8,800 4,570 3,000 13,590 7,860 0 293870 08/07/02 22,375 1,350 25,000 206,925 0 5,900 8,800 4,570 3,000 13,590 2,960 0 294470 08/08/02 22,375 1,350 25,000 207,425 0 5,900 8,800 4,570 3,000 13,590 3,060 0 295070 08/09/02 10,175 1,350 25,000 206,425 0 6,200 8,800 7,370 3,000 13,590 3,160 0 285070 08/10/02 10,175 1,350 25,000 206,425 0 6,200 8,800 7,370 3,000 13,590 3,160 0 285070 08/11/02 10,175 1,350 25,000 206,425 0 6,200 8,800 7,370 3,000 13,590 3,160 0 285070 08/12/02 17,875 1,350 25,000 207,525 0 6,300 8,800 7,370 3,000 13,590 3,560 0 294370 08/13/02 17,875 1,350 25,000 207,525 0 6,300 8,800 7,370 3,000 13,590 3,560 0 294370 08/14/02 17,875 1,350 25,000 207,525 0 6,000 8,800 7,370 2,700 13,590 3,560 0 293770 08/15/02 17,875 1,350 25,000 208,025 0 4,400 8,800 7,570 2,700 13,590 4,460 0 293770 08/16/02 17,875 1,350 25,000 208,225 0 4,400 8,800 7,570 2,700 13,590 4,460 0 293970 08/17/02 17,875 1,350 25,000 208,225 0 4,400 8,800 7,570 2,700 13,590 4,460 0 293970 08/18/02 17,875 1,350 25,000 208,225 0 4,400 8,800 7,570 2,700 13,590 4,460 0 293970 08/19/02 17,875 1,350 25,000 210,725 0 3,000 8,800 7,570 2,700 13,590 4,460 0 295070 08/20/02 17,375 1,350 25,000 210,825 1,300 0 8,800 7,570 2,700 13,590 4,460 0 292970 08/21/02 17,575 1,350 25,000 210,825 6,700 0 8,800 7,570 2,700 13,590 4,460 0 298570 08/22/02 27,575 1,350 25,000 210,825 9,600 0 8,800 7,570 2,700 13,590 4,460 0 311470 08/23/02 27,775 1,350 25,000 210,425 17,800 0 8,800 7,570 2,700 13,590 4,560 0 319570 08/24/02 27,775 1,350 25,000 210,425 17,800 0 8,800 7,570 2,700 13,590 4,560 0 319570 08/25/02 27,775 1,350 25,000 210,425 17,800 0 8,800 7,570 2,700 13,590 4,560 0 319570 08/26/02 27,875 1,350 25,000 211,125 19,300 0 8,800 7,570 2,700 13,590 4,560 0 321870 08/27/02 26,475 1,350 25,000 211,125 22,400 0 8,800 7,570 2,700 13,590 4,660 0 323670 08/28/02 24,575 1,350 25,000 210,525 0 5,300 8,800 3,370 2,700 13,590 4,160 0 299370 08/29/02 24,975 1,350 25,300 212,025 0 0 8,900 10,270 2,700 13,590 4,260 0 303370 08/30/02 24,975 1,350 25,700 212,125 0 0 8,900 10,470 2,700 13,590 4,360 0 304170 08/31/02 24,975 1,350 25,700 212,125 0 0 8,900 10,470 2,700 13,590 4,360 0 304170 09/01/02 24,975 1,350 25,700 212,125 0 0 8,900 10,470 2,700 13,590 4,360 0 304170 09/02/02 24,975 1,350 25,700 212,125 0 0 8,900 10,470 2,700 13,590 4,360 0 304170 09/03/02 24,775 1,350 25,700 212,125 0 0 8,900 10,470 2,700 13,590 4,360 0 303970 09/04/02 24,775 1,350 25,800 212,125 0 0 8,900 10,470 2,700 13,590 4,360 0 304070 09/05/02 24,775 1,350 25,800 212,125 0 0 8,900 10,470 2,700 13,590 4,360 0 304070 09/06/02 24,775 1,350 25,800 212,125 0 0 8,900 10,470 2,700 13,590 4,360 0 304070 09/07/02 24,775 1,350 25,800 212,125 0 0 8,900 10,470 2,700 13,590 4,360 0 304070 09/08/02 24,775 1,350 25,800 212,125 0 0 8,900 10,470 2,700 13,590 4,360 0 304070 09/09/02 22,075 1,350 25,800 212,125 0 0 8,900 10,470 2,700 13,590 4,360 0 301370 09/10/02 21,875 1,350 25,800 212,125 0 0 8,900 10,470 2,700 13,590 4,360 0 301170 09/11/02 21,875 1,350 25,800 211,225 0 0 8,900 10,470 2,700 13,590 4,460 0 300370 09/12/02 19,875 1,350 25,800 211,225 0 0 8,900 10,470 2,700 13,590 4,460 0 298370 09/13/02 20,075 1,350 25,800 211,325 0 0 8,900 10,670 2,700 13,590 4,460 0 298870 09/14/02 20,075 1,350 25,800 211,325 0 0 8,900 10,670 2,700 13,590 4,460 0 298870 09/15/02 20,075 1,350 25,800 211,325 0 0 8,900 10,670 2,700 13,590 4,460 0 298870 09/16/02 20,075 1,350 25,800 211,325 0 0 8,900 10,670 2,700 13,590 4,560 0 298970 09/17/02 20,075 1,350 25,800 211,525 0 0 8,900 10,670 2,700 13,590 4,560 0 299170 09/18/02 19,875 1,350 25,800 211,625 0 0 8,900 10,670 2,700 13,590 4,560 0 299070 09/19/02 21,575 1,350 25,800 211,625 0 0 8,900 10,670 2,700 13,590 4,560 0 300770 09/20/02 25,275 1,350 25,800 211,725 500 0 9,200 10,670 2,700 13,590 4,560 0 305370 09/21/02 25,275 1,350 25,800 211,725 500 0 9,200 10,670 2,700 13,590 4,560 0 305370 09/22/02 25,275 1,350 25,800 211,725 500 0 9,200 10,670 2,700 13,590 4,560 0 305370 09/23/02 29,375 1,350 25,800 211,725 5,000 0 9,200 10,670 2,200 13,590 4,560 0 313470 09/24/02 29,375 1,350 25,800 213,325 6,800 0 9,200 7,370 2,200 13,590 4,660 0 313670 09/25/02 30,275 1,350 25,800 213,325 11,200 0 9,200 7,370 2,200 13,590 4,660 0 318970 09/26/02 29,975 1,350 25,800 213,425 10,600 0 9,200 7,370 2,200 13,590 4,660 0 318170 09/27/02 29,675 1,350 25,800 213,925 0 0 8,700 2,770 6,200 13,790 4,660 0 306870 09/28/02 29,675 1,350 25,800 213,925 0 0 8,700 2,770 6,200 13,790 4,660 0 306870 09/29/02 29,675 1,350 25,800 213,925 0 0 8,700 2,770 6,200 13,790 4,660 0 306870 09/30/02 30,075 1,350 26,600 215,525 0 0 8,800 6,470 6,200 13,790 4,660 0 313470 Attachment C Calculates net interest on contributors and borrowers 07/01/02 8.8399% 07/02/02 8.8399% 07/03/02 8.8399% 07/04/02 8.8399% 07/05/02 8.8399% 07/06/02 8.8399% 07/07/02 8.8399% 07/08/02 8.8399% 07/09/02 8.8399% 07/10/02 8.8399% 07/11/02 8.8399% 07/12/02 8.8399% 07/13/02 8.8399% 07/14/02 8.8399% 07/15/02 8.8399% 07/16/02 8.8399% 07/17/02 8.8399% 07/18/02 8.8399% 07/19/02 8.8399% 07/20/02 8.8399% 07/21/02 8.8399% 07/22/02 8.8399% 07/23/02 8.8399% 07/24/02 8.8399% 07/25/02 8.8399% 07/26/02 8.8399% 07/27/02 8.8399% 07/28/02 8.8399% 07/29/02 8.8399% 07/30/02 8.8399% 07/31/02 8.8399% 08/01/02 8.8399% 08/02/02 8.8399% 08/03/02 8.8399% 08/04/02 8.8399% 08/05/02 8.8399% 08/06/02 8.8399% 08/07/02 8.8399% 08/08/02 8.8399% 08/09/02 8.8399% 08/10/02 8.8399% 08/11/02 8.8399% 08/12/02 8.8399% 08/13/02 8.8399% 08/14/02 8.8399% 08/15/02 8.8399% 08/16/02 8.8399% 08/17/02 8.8399% 08/18/02 8.8399% 08/19/02 8.8399% 08/20/02 8.8399% 08/21/02 8.8399% 08/22/02 8.8399% 08/23/02 8.8399% 08/24/02 8.8399% 08/25/02 8.8399% 08/26/02 8.8399% 08/27/02 8.8399% 08/28/02 8.8399% 08/29/02 8.8399% 08/30/02 8.8399% 08/31/02 8.8399% 09/01/02 8.8399% 09/02/02 8.8399% 09/03/02 8.8399% 09/04/02 8.8399% 09/05/02 8.8399% 09/06/02 8.8399% 09/07/02 8.8399% 09/08/02 8.8399% 09/09/02 8.8399% 09/10/02 8.8399% 09/11/02 8.8399% 09/12/02 8.8399% 09/13/02 8.8399% 09/14/02 8.8399% 09/15/02 8.8399% 09/16/02 8.8399% 09/17/02 8.8399% 09/18/02 8.8399% 09/19/02 8.8399% 09/20/02 8.8399% 09/21/02 8.8399% 09/22/02 8.8399% 09/23/02 8.8399% 09/24/02 8.8399% 09/25/02 8.8399% 09/26/02 8.8399% 09/27/02 8.8399% 09/28/02 8.8399% 09/29/02 8.8399% 09/30/02 8.8399%