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 (AMS), Ameren Energy (AME), CIPSCO Investment Company (CIC), Ameren Energy Communications (AEC), Ameren ERC (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: August 23, 2002 Attachment A Contributions to the Non-Utility Money Pool Oustanding Amounts (Thousands of Dollars) Date AEG AEM AMC CIC UEDC Total Beg Bal $ 0 $ 0 $447,690 $ 950 $ 1,150 $449,790 04/01/02 0 0 443,690 950 1,150 445,790 04/02/02 0 0 440,440 950 1,150 442,540 04/03/02 0 0 440,940 950 1,150 443,040 04/04/02 0 0 440,740 950 1,150 442,840 04/05/02 0 0 442,790 950 800 444,540 04/06/02 0 0 442,790 950 800 444,540 04/07/02 0 0 442,790 950 800 444,540 04/08/02 0 0 445,090 950 800 446,840 04/09/02 0 0 445,690 950 800 447,440 04/10/02 0 0 447,290 950 800 449,040 04/11/02 0 0 446,790 950 800 448,540 04/12/02 0 0 457,990 950 800 459,740 04/13/02 0 0 457,990 950 800 459,740 04/14/02 0 0 457,990 950 800 459,740 04/15/02 0 0 449,790 550 800 451,140 04/16/02 0 0 450,690 550 800 452,040 04/17/02 0 0 454,990 550 800 456,340 04/18/02 0 0 456,490 550 800 457,840 04/19/02 0 0 456,990 550 800 458,340 04/20/02 0 0 456,990 550 800 458,340 04/21/02 0 0 456,990 550 800 458,340 04/22/02 0 0 455,590 550 800 456,940 04/23/02 0 0 465,140 550 800 466,490 04/24/02 0 400 468,440 550 800 470,190 04/25/02 0 4,300 469,540 550 800 475,190 04/26/02 0 7,300 467,640 550 800 476,290 04/27/02 0 7,300 467,640 550 800 476,290 04/28/02 0 7,300 467,640 550 800 476,290 04/29/02 0 0 444,490 550 800 445,840 04/30/02 0 0 441,790 550 900 443,240 05/01/02 0 0 467,790 550 900 469,240 05/02/02 0 0 467,990 550 900 469,440 05/03/02 0 0 468,990 550 900 470,440 05/04/02 0 0 468,990 550 900 470,440 05/05/02 0 0 468,990 550 900 470,440 05/06/02 0 0 469,790 550 900 471,240 05/07/02 0 0 469,990 550 900 471,440 05/08/02 0 0 481,390 550 900 482,840 05/09/02 0 0 482,290 550 900 483,740 05/10/02 0 0 483,590 550 900 485,040 05/11/02 0 0 483,590 550 900 485,040 05/12/02 0 0 483,590 550 900 485,040 05/13/02 0 0 476,690 550 900 478,140 05/14/02 0 0 493,590 550 900 495,040 05/15/02 0 0 496,190 550 900 497,640 05/16/02 0 0 497,090 550 900 498,540 05/17/02 0 0 495,990 550 900 497,440 05/18/02 0 0 495,990 550 900 497,440 05/19/02 0 0 495,990 550 900 497,440 05/20/02 0 0 492,690 550 900 494,140 05/21/02 0 0 496,090 550 900 497,540 05/22/02 0 0 502,190 550 900 503,640 05/23/02 0 0 503,890 550 900 505,340 05/24/02 0 0 511,390 550 900 512,840 05/25/02 0 0 511,390 550 900 512,840 05/26/02 0 0 511,390 550 900 512,840 05/27/02 0 0 511,390 550 900 512,840 05/28/02 0 5,700 506,640 550 900 513,790 05/29/02 0 5,700 509,140 550 900 516,290 05/30/02 0 5,700 511,240 550 900 518,390 05/31/02 0 5,700 511,840 550 900 518,990 06/01/02 0 5,700 511,840 550 900 518,990 06/02/02 0 5,700 511,840 550 900 518,990 06/03/02 0 5,600 510,840 550 900 517,890 06/04/02 0 0 529,040 550 900 530,490 06/05/02 0 0 527,240 550 900 528,690 06/06/02 35,300 0 259,020 450 900 295,670 06/07/02 32,100 0 262,720 450 900 296,170 06/08/02 32,100 0 262,720 450 900 296,170 06/09/02 32,100 0 262,720 450 900 296,170 06/10/02 30,700 0 264,220 450 900 296,270 06/11/02 30,200 0 265,320 450 900 296,870 06/12/02 20,700 0 276,120 450 1,000 298,270 06/13/02 18,600 0 269,820 450 1,000 289,870 06/14/02 16,700 0 271,220 450 1,000 289,370 06/15/02 16,700 0 271,220 450 1,000 289,370 06/16/02 16,700 0 271,220 450 1,000 289,370 06/17/02 12,900 0 278,470 0 1,000 292,370 06/18/02 8,100 0 282,170 600 1,000 291,870 06/19/02 7,700 0 282,670 1,100 1,000 292,470 06/20/02 6,000 0 281,070 1,100 1,000 289,170 06/21/02 4,800 0 278,470 1,100 1,000 285,370 06/22/02 4,800 0 278,470 1,100 1,000 285,370 06/23/02 4,800 0 278,470 1,100 1,000 285,370 06/24/02 4,200 0 283,070 1,100 1,900 290,270 06/25/02 2,700 0 289,170 1,100 1,900 294,870 06/26/02 40,600 0 258,570 1,100 1,900 302,170 06/27/02 40,100 0 255,670 1,100 1,900 298,770 06/28/02 32,400 0 260,770 1,100 1,900 296,170 06/29/02 32,400 0 260,770 1,100 1,900 296,170 06/30/02 32,400 0 260,770 1,100 1,900 296,170 Attachment B Loans From Non-Utility Money Pool (Thousands of Dollars) AFS ADC AEC AED AEG AEM AER AME CIC ERC IMS TOTAL Beg Bal $26,225 $ 1,550 $23,650 $164,525 $170,920 $14,800 $8,900 $9,070 $ 0 $11,490 $18,660 $449,790 04/01/02 24,425 1,550 23,650 164,225 170,020 14,800 8,900 9,070 0 11,490 17,660 445,790 04/02/02 23,575 1,550 23,650 164,225 171,020 11,400 8,900 9,070 0 11,490 17,660 442,540 04/03/02 23,725 1,550 23,650 164,225 171,370 11,400 8,900 9,070 0 11,490 17,660 443,040 04/04/02 22,975 1,550 23,650 164,225 172,070 11,400 8,900 9,070 0 11,490 17,510 442,840 04/05/02 23,075 1,550 23,650 164,225 173,670 11,400 8,900 9,070 0 11,490 17,510 444,540 04/06/02 23,075 1,550 23,650 164,225 173,670 11,400 8,900 9,070 0 11,490 17,510 444,540 04/07/02 23,075 1,550 23,650 164,225 173,670 11,400 8,900 9,070 0 11,490 17,510 444,540 04/08/02 23,075 1,550 23,650 164,225 175,970 11,400 8,900 9,070 0 11,490 17,510 446,840 04/09/02 23,075 1,550 23,650 164,225 176,570 11,400 8,900 9,070 0 11,490 17,510 447,440 04/10/02 23,675 1,550 23,650 164,825 176,970 11,400 8,900 9,070 0 11,490 17,510 449,040 04/11/02 23,375 1,550 23,650 164,825 177,070 11,400 8,900 9,170 0 11,490 17,110 448,540 04/12/02 31,175 1,550 23,650 164,825 180,070 11,800 8,900 9,170 0 11,490 17,110 459,740 04/13/02 31,175 1,550 23,650 164,825 180,070 11,800 8,900 9,170 0 11,490 17,110 459,740 04/14/02 31,175 1,550 23,650 164,825 180,070 11,800 8,900 9,170 0 11,490 17,110 459,740 04/15/02 20,175 1,550 23,500 165,125 184,470 10,400 7,900 9,570 0 11,340 17,110 451,140 04/16/02 20,175 1,550 23,500 165,125 186,070 10,000 7,900 9,570 0 11,340 16,810 452,040 04/17/02 20,175 1,550 23,500 168,625 186,670 10,000 7,900 9,570 0 11,340 17,010 456,340 04/18/02 20,175 1,550 23,500 168,625 188,170 10,000 7,900 9,570 0 11,340 17,010 457,840 04/19/02 20,475 1,550 23,500 168,625 189,270 8,900 7,900 9,670 0 11,340 17,210 458,440 04/20/02 20,475 1,550 23,500 168,625 189,270 8,900 7,900 9,670 0 11,340 17,210 458,440 04/21/02 20,475 1,550 23,500 168,625 189,270 8,900 7,900 9,670 0 11,340 17,210 458,440 04/22/02 20,475 1,550 23,500 168,625 190,670 5,800 7,900 9,670 0 11,340 17,410 456,940 04/23/02 28,575 1,550 23,500 168,625 194,170 3,450 7,900 9,670 0 11,340 17,710 466,490 04/24/02 29,375 1,550 23,600 169,225 195,920 0 7,900 13,370 0 11,340 17,910 470,190 04/25/02 32,175 1,550 23,600 169,325 198,720 0 7,900 13,370 0 11,340 17,210 475,190 04/26/02 31,375 1,550 23,600 169,425 200,520 0 7,900 13,370 0 11,340 17,210 476,290 04/27/02 31,375 1,550 23,600 169,425 200,520 0 7,900 13,370 0 11,340 17,210 476,290 04/28/02 31,375 1,550 23,600 169,425 200,520 0 7,900 13,370 0 11,340 17,210 476,290 04/29/02 32,175 1,550 23,600 169,825 159,520 11,500 7,900 9,270 0 12,790 17,710 445,840 04/30/02 30,675 1,550 23,600 169,425 159,120 11,000 7,900 9,470 0 13,290 17,210 443,240 05/01/02 30,675 1,550 23,600 169,425 185,420 11,050 7,900 9,570 0 13,290 16,760 469,240 05/02/02 30,175 1,550 23,600 169,425 186,120 11,050 7,900 9,570 0 13,290 16,760 469,440 05/03/02 27,875 1,550 23,600 169,425 189,420 11,050 7,900 9,570 0 13,290 16,760 470,440 05/04/02 27,875 1,550 23,600 169,425 189,420 11,050 7,900 9,570 0 13,290 16,760 470,440 05/05/02 27,875 1,550 23,600 169,425 189,420 11,050 7,900 9,570 0 13,290 16,760 470,440 05/06/02 27,875 1,550 23,600 169,425 190,520 11,150 7,900 9,670 0 13,290 16,260 471,240 05/07/02 27,875 1,550 23,600 169,425 191,420 11,150 7,900 9,670 0 11,990 16,860 471,440 05/08/02 27,875 1,550 23,600 169,425 202,720 11,150 7,900 9,670 0 11,990 16,960 482,840 05/09/02 27,575 1,550 23,600 169,425 203,920 11,150 7,900 9,670 0 11,990 16,960 483,740 05/10/02 27,575 1,550 23,600 169,725 204,620 11,150 7,900 9,670 0 11,990 17,260 485,040 05/11/02 27,575 1,550 23,600 169,725 204,620 11,150 7,900 9,670 0 11,990 17,260 485,040 05/12/02 27,575 1,550 23,600 169,725 204,620 11,150 7,900 9,670 0 11,990 17,260 485,040 05/13/02 17,375 1,550 23,600 169,725 207,120 11,450 7,900 9,670 0 11,990 17,760 478,140 05/14/02 23,175 1,550 23,900 172,325 214,020 11,750 8,100 9,870 0 12,090 18,260 495,040 05/15/02 23,175 1,550 23,900 172,525 216,220 11,750 8,100 10,070 0 12,090 18,260 497,640 05/16/02 22,575 1,550 23,900 172,525 217,720 11,750 8,100 10,070 0 12,090 18,260 498,540 05/17/02 22,575 1,550 23,900 172,825 218,820 9,250 8,100 10,070 0 12,090 18,260 497,440 05/18/02 22,575 1,550 23,900 172,825 218,820 9,250 8,100 10,070 0 12,090 18,260 497,440 05/19/02 22,575 1,550 23,900 172,825 218,820 9,250 8,100 10,070 0 12,090 18,260 497,440 05/20/02 22,275 1,550 23,900 172,925 221,320 4,150 8,100 10,070 0 12,090 17,760 494,140 05/21/02 22,375 1,550 24,000 173,025 224,420 4,150 8,100 10,070 0 12,090 17,760 497,540 05/22/02 28,975 1,550 24,000 173,025 227,820 250 8,100 10,070 0 12,090 17,760 503,640 05/23/02 28,975 1,550 24,000 181,325 229,120 250 8,100 10,070 0 12,090 9,860 505,340 05/24/02 28,975 1,550 24,000 184,825 233,020 250 8,100 10,070 0 12,090 9,960 512,840 05/25/02 28,975 1,550 24,000 184,825 233,020 250 8,100 10,070 0 12,090 9,960 512,840 05/26/02 28,975 1,550 24,000 184,825 233,020 250 8,100 10,070 0 12,090 9,960 512,840 05/27/02 28,975 1,550 24,000 184,825 233,020 250 8,100 10,070 0 12,090 9,960 512,840 05/28/02 28,975 1,550 24,000 185,425 234,020 0 8,100 10,070 0 11,690 9,960 513,790 05/29/02 30,575 1,550 24,000 185,425 234,920 0 8,100 10,070 0 11,690 9,960 516,290 05/30/02 30,575 1,550 24,000 185,525 236,920 0 8,100 10,070 0 11,690 9,960 518,390 05/31/02 30,375 1,450 24,100 185,525 237,720 0 8,100 10,370 0 11,690 9,660 518,990 06/01/02 30,375 1,450 24,100 185,525 237,720 0 8,100 10,370 0 11,690 9,660 518,990 06/02/02 30,375 1,450 24,100 185,525 237,720 0 8,100 10,370 0 11,690 9,660 518,990 06/03/02 27,975 1,450 24,100 185,525 238,820 0 8,100 10,370 0 11,690 9,860 517,890 06/04/02 26,675 1,450 24,100 185,625 238,820 13,800 8,100 10,370 0 11,690 9,860 530,490 06/05/02 26,275 1,450 24,100 185,625 237,320 13,800 8,100 10,370 0 11,690 9,960 528,690 06/06/02 26,375 1,450 24,200 185,925 0 13,900 8,100 13,970 0 11,790 9,960 295,670 06/07/02 26,375 1,450 24,200 186,425 0 13,900 8,100 13,970 0 11,790 9,960 296,170 06/08/02 26,375 1,450 24,200 186,425 0 13,900 8,100 13,970 0 11,790 9,960 296,170 06/09/02 26,375 1,450 24,200 186,425 0 13,900 8,100 13,970 0 11,790 9,960 296,170 06/10/02 26,375 1,450 24,200 186,525 0 13,900 8,100 13,970 0 11,790 9,960 296,270 06/11/02 25,875 1,450 24,200 187,625 0 13,900 8,100 13,970 0 11,790 9,960 296,870 06/12/02 31,275 1,450 24,200 187,025 0 13,900 8,500 10,570 0 11,690 9,660 298,270 06/13/02 22,875 1,450 24,200 187,025 0 13,900 8,500 10,570 0 11,690 9,660 289,870 06/14/02 22,475 1,450 24,200 187,025 0 14,000 8,500 10,670 0 11,690 9,360 289,370 06/15/02 22,475 1,450 24,200 187,025 0 14,000 8,500 10,670 0 11,690 9,360 289,370 06/16/02 22,475 1,450 24,200 187,025 0 14,000 8,500 10,670 0 11,690 9,360 289,370 06/17/02 22,575 1,450 24,200 190,725 0 12,300 8,500 11,470 100 11,690 9,360 292,370 06/18/02 22,575 1,450 24,000 190,725 0 12,300 8,400 11,470 0 11,490 9,460 291,870 06/19/02 23,175 1,450 24,000 190,725 0 12,300 8,400 11,470 0 11,490 9,460 292,470 06/20/02 23,175 1,450 24,000 190,825 0 8,900 8,400 11,470 0 11,490 9,460 289,170 06/21/02 25,275 1,450 24,000 190,825 0 6,500 8,400 7,970 0 11,490 9,460 285,370 06/22/02 25,275 1,450 24,000 190,825 0 6,500 8,400 7,970 0 11,490 9,460 285,370 06/23/02 25,275 1,450 24,000 190,825 0 6,500 8,400 7,970 0 11,490 9,460 285,370 06/24/02 31,275 1,450 24,000 190,825 0 5,100 8,400 7,970 0 11,490 9,760 290,270 06/25/02 35,475 1,450 24,000 190,925 0 5,100 8,400 8,070 0 11,490 9,960 294,870 06/26/02 32,175 1,450 24,000 191,725 0 17,700 8,400 3,670 0 13,090 9,960 302,170 06/27/02 32,175 1,450 24,000 191,725 0 14,300 8,400 3,670 0 13,090 9,960 298,770 06/28/02 31,675 1,450 24,000 192,425 0 11,300 8,400 3,870 0 13,090 9,960 296,170 06/29/02 31,675 1,450 24,000 192,425 0 11,300 8,400 3,870 0 13,090 9,960 296,170 06/30/02 31,675 1,450 24,000 192,425 0 11,300 8,400 3,870 0 13,090 9,960 296,170 Attachment C Calculates net interest on contributors and borrowers 04/01/02 8.0722% 04/02/02 8.1398% 04/03/02 8.2060% 04/04/02 8.3464% 04/05/02 8.3525% 04/06/02 8.3525% 04/07/02 8.3525% 04/08/02 8.2931% 04/09/02 8.3511% 04/10/02 8.4184% 04/11/02 8.5319% 04/12/02 8.3867% 04/13/02 8.3867% 04/14/02 8.3867% 04/15/02 8.0465% 04/16/02 8.1091% 04/17/02 8.1214% 04/18/02 8.2156% 04/19/02 8.4832% 04/20/02 8.2206% 04/21/02 8.2206% 04/22/02 8.3504% 04/23/02 8.3414% 04/24/02 8.4832% 04/25/02 8.3218% 04/26/02 8.2978% 04/27/02 8.2978% 04/28/02 8.2978% 04/29/02 8.2993% 04/30/02 8.2923% 05/01/02 7.9419% 05/02/02 7.9972% 05/03/02 7.9365% 05/04/02 7.9365% 05/05/02 7.9365% 05/06/02 7.9961% 05/07/02 8.0633% 05/08/02 7.9340% 05/09/02 8.0545% 05/10/02 8.0596% 05/11/02 8.0596% 05/12/02 8.0596% 05/13/02 8.0367% 05/14/02 7.9913% 05/15/02 7.9756% 05/16/02 8.0144% 05/17/02 8.0064% 05/18/02 8.0064% 05/19/02 7.9328% 05/20/02 8.1386% 05/21/02 8.2032% 05/22/02 8.1135% 05/23/02 8.0981% 05/24/02 7.9328% 05/25/02 7.9328% 05/26/02 7.9328% 05/27/02 7.9328% 05/28/02 8.0694% 05/29/02 8.0202% 05/30/02 8.1661% 05/31/02 8.1278% 06/01/02 8.1278% 06/02/02 8.1278% 06/03/02 8.0302% 06/04/02 8.0696% 06/05/02 8.1015% 06/06/02 8.8399% 06/07/02 8.8399% 06/08/02 8.8399% 06/09/02 8.8399% 06/10/02 8.8399% 06/11/02 8.8399% 06/12/02 8.8399% 06/13/02 8.8399% 06/14/02 8.8399% 06/15/02 8.8399% 06/16/02 8.8399% 06/17/02 8.8399% 06/18/02 8.8399% 06/19/02 8.8399% 06/20/02 8.8399% 06/21/02 8.8399% 06/22/02 8.8399% 06/23/02 8.8399% 06/24/02 8.8399% 06/25/02 8.8399% 06/26/02 8.8399% 06/27/02 8.8399% 06/28/02 8.8399% 06/29/02 8.8399% 06/30/02 8.8399%