[GRAPHIC OMITTED][GRAPHIC OMITTED] Exhibit 99 ---------- One Ameren Plaza 1901 Chouteau Avenue St. Louis, MO 63103 Contact: Media Analysts Investors Tim Fox Bruce Steinke Investor Services (314) 554-3120 (314) 554-2574 invest@ameren.com tfox2@ameren.com bsteinke@ameren.com FOR IMMEDIATE RELEASE - --------------------- AMEREN REPORTS SECOND QUARTER 2003 EARNINGS St. Louis, Mo., July 30, 2003---Ameren Corporation (NYSE: AEE) today announced 2003 second quarter net income of $110 million, or 68 cents per share, compared to net income of $115 million, or 80 cents per share, in the second quarter of 2002. Net income for the first six months of 2003 was $211 million, or $1.32 per share, compared to $174 million, or $1.22 per share, in the first half of 2002. The company recorded a net after-tax gain of $18 million, or 11 cents per share, in the first quarter of 2003, due to the adoption of a new accounting standard related to the recognition of asset retirement obligations. Excluding this item, the company reported net income before cumulative effect of change in accounting principle for the first six months of 2003 of $193 million, or $1.21 per share. All per share earnings are basic and diluted. "Our 2003 second quarter earnings were significantly impacted by very mild early summer weather, especially when compared to the hotter than normal weather conditions experienced in the second quarter of last year. As a result, our earnings were reduced by approximately 25 to 30 cents per share in the second quarter when compared to 2002," said Charles W. Mueller, chairman and chief executive officer of Ameren Corporation. "However, the greater availability of our low-cost generating plants, coupled with our continued focus on cost control, helped us deliver solid earnings for the quarter." Electric revenues in the second quarter of 2003 increased $38 million, as compared to 2002, principally due to the acquisition of CILCORP Inc. (including its utility subsidiary that is now operating as AmerenCILCO), which increased electric revenues by $124 million. The benefit of the acquisition of CILCORP on revenues was largely offset by reduced sales associated with mild weather. In the company's pre-acquisition service area, weather-sensitive - more - Add One residential and commercial electric kilowatthour sales declined 17 percent and 8 percent, respectively, in the second quarter of 2003, as compared to the second quarter of 2002. Industrial electric kilowatthour sales increased almost 6 percent in the company's pre-acquisition service territory. Earnings from interchange sales by AmerenEnergy, Inc. on behalf of AmerenUE and AmerenEnergy Generating Company increased net income in the second quarter of 2003 by approximately 7 cents per share. This increase in earnings was principally due to higher power prices and greater availability of the company's low-cost generating plants. Other operations and maintenance expenses increased $19 million in the second quarter of 2003, compared to 2002, principally due to the addition of AmerenCILCO. Partially offsetting the increased expenses related to AmerenCILCO were lower labor costs due to the voluntary retirement program instituted at Ameren at the end of 2002 and lower plant maintenance costs. Second quarter miscellaneous expenses were also lower in the second quarter of 2003 versus 2002 as a result of $26 million of costs that were expensed in the second quarter of 2002 for economic development and energy assistance programs included in a Missouri electric rate case settlement. Depreciation expense and financing costs increased in 2003 principally as a result of the addition of AmerenCILCO and new capital additions in the past year. The second quarter of 2003 was also the first full quarter of operations since the acquisition on Jan. 31, 2003 of CILCORP. "The integration of Ameren and AmerenCILCO operations is going very well," said Gary L. Rainwater, president and chief operating officer of Ameren. "This was clearly evident when our energy delivery personnel across the entire company tackled several severe storms in our service territory during the second quarter, restoring power to thousands of our customers in a safe and timely fashion. We continue to believe that all significant integration activities will be completed by the end of this year, and that the acquisition will be accretive to earnings in our first full year of operations." Ameren also announced today that the company was reaffirming its 2003 guidance for earnings per share, before the cumulative effect of a change in accounting principle, of between $2.80 and $3.05 per share. This estimate excludes the gain of 11 cents per share on the adoption of the new accounting standard, discussed above, and is subject to, among other things, plant operations, timely integration of AmerenCILCO, weather conditions, energy market and economic conditions and other risks and uncertainties outlined in the company's Forward-Looking Statements. - more - Add Two Ameren will conduct a conference call for financial analysts at 10:00 a.m. (Central Time) on Wednesday, July 30, to discuss second quarter 2003 earnings. Investors, the news media and the public may listen to a live Internet broadcast of the Ameren analyst call at www.ameren.com by clicking on "Live Webcast: Second Quarter Ameren Corporation Earnings Conference Call, July 30, 2003, 11:00 a.m. ET," then the appropriate audio link. The analyst call will also be available for replay on the Internet for one year. Telephone playback of the conference call will also be available beginning at 12:00 p.m. (Central Time), July 30, until Aug. 6 by dialing, U.S. (800) 428-6051; international (973) 709-2089, and entering the number: 300529. With assets of $13.5 billion, Ameren owns a diverse mix of electric generating plants strategically located in its Midwest market with a capacity of more than 14,500 megawatts. Ameren serves 1.7 million electric customers and 500,000 natural gas customers in a 49,000 square-mile area of Missouri and Illinois. Forward-Looking Statements - -------------------------- Statements made in this release, which are not based on historical facts, are "forward-looking" and, accordingly, involve risks and uncertainties that could cause actual results to differ materially from those discussed. Although such "forward-looking" statements have been made in good faith and are based on reasonable assumptions, there is no assurance that the expected results will be achieved. These statements include (without limitation) statements as to future expectations, beliefs, plans, strategies, objectives, events, conditions, and financial performance. In connection with the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995, the company is providing this cautionary statement to identify important factors that could cause actual results to differ materially from those anticipated. The following factors, in addition to those discussed elsewhere in this release and in past and subsequent securities filings, could cause results to differ materially from management expectations as suggested by such "forward-looking" statements: o the effects of the stipulation and agreement relating to the AmerenUE Missouri electric excess earnings complaint case and other regulatory actions, including changes in regulatory policy; o changes in laws and other governmental actions, including monetary and fiscal policy; o the impact on the company of current regulations related to the opportunity for customers to choose alternative energy suppliers in Illinois; o the effects of increased competition in the future due to, among other things, deregulation of certain aspects of the company's business at both the state and federal levels; o the effects of participation in a Federal Energy Regulatory Commission-approved regional transmission organization, including activities associated with the Midwest Independent System Operator; o availability and future market prices for fuel for the production of electricity, such as coal and natural gas, purchased power, electricity and natural gas for distribution, including the use of financial and derivative instruments, the volatility of changes in market prices and the ability to recover increased costs; o average rates for electricity in the Midwest; o business and economic conditions; o the impact of the adoption of new accounting standards and the application of appropriate technical accounting rules and guidance; o interest rates and the availability of capital; o actions of ratings agencies and the effects of such actions; o weather conditions; o generation plant construction, installation and performance; o operation of nuclear power facilities and decommissioning costs; o the effects of strategic initiatives, including acquisitions and divestitures; o the impact of current environmental regulations on utilities and generating companies and the expectation that more stringent requirements will be introduced over time, which could potentially have a negative financial effect; o future wages and employee benefits costs, including changes in returns on benefit plan assets; o disruptions of the capital markets or other events making the company's access to necessary capital more difficult or costly; o competition from other generating facilities, including new facilities that may be developed; o difficulties in integrating AmerenCILCO with the company's other businesses; o changes in the coal markets, environmental laws or regulations, or other factors adversely impacting synergy assumptions in connection with the CILCORP Inc. acquisition; o cost and availability of transmission capacity for the energy generated by the company's generating facilities or required to satisfy energy sales made by the company; and o legal and administrative proceedings. # # # AMEREN CORPORATION (AEE) CONSOLIDATED OPERATING STATISTICS Three Months Ended Six Months Ended June 30, June 30, ---------------------- -------------------- 2003 2002 2003 2002 ----- ---- ---- ---- Electric Sales - KWH (in millions): Residential 3,469 3,745 8,219 7,630 Commercial 4,508 4,325 8,917 8,208 Industrial 4,530 3,040 8,433 6,186 Wholesale 1,967 2,074 4,253 4,149 Other 70 65 148 136 ------- ------- ------- ------- Native 14,544 13,249 29,970 26,309 Interchange sales 2,000 2,115 4,421 5,088 EEI 1,456 1,777 2,225 3,364 ------- ------- ------- ------- Total 18,000 17,141 36,616 34,761 Electric Revenues - (in millions): Residential $ 281 $ 302 $ 585 $ 537 Commercial 297 280 519 480 Industrial 197 131 337 243 Wholesale 66 68 141 133 Other 6 5 12 10 ------- ------- ------- -------- Native 847 786 1,564 1,403 Interchange sales 57 52 158 117 EEI 42 78 60 108 Other 22 14 42 49 ------- ------- ------- -------- Total 968 930 1,824 1,677 Power Supply (%): Fossil 73.8 71.1 77.3 71.7 Nuclear 13.3 13.8 12.4 12.4 Hydro 1.5 2.7 1.1 2.0 Purchased 11.4 12.4 9.2 13.9 Fuel Cost per KWH (cents) 1.074 0.992 1.030 0.981 Gas Sales - MMBTU (in thousands) 16,697 5,013 43,762 22,779 June 30, December 31, 2003 2002 -------- ------------ Common Stock: Shares outstanding (in millions) 161.7 154.1 Book value per share $25.60 $24.26 Capitalization Ratios: Common equity 45.8% 51.6% Preferred stock 2.6% 2.6% Debt, net of cash 51.6% 45.8% AMEREN CORPORATION (AEE) CONSOLIDATED STATEMENT OF INCOME (Unaudited, in millions, except per share amounts) Three Months Ended Six Months Ended June 30, June 30, 2003 2002 2003 2002 - ------------------------------------------------------------------------------------------------------------------------------------ Operating Revenues: - ------------------------------------------------------------------------------------------------------------------------------------ Electric $ 968 $ 930 $ 1,824 $ 1,677 Gas 118 47 368 172 Other 2 1 4 3 ----- ----- ------- ------- Total operating revenues 1,088 978 2,196 1,852 Operating Expenses: - ------------------------------------------------------------------------------------------------------------------------------------ Fuel and purchased power 228 204 449 407 Gas 87 27 272 112 Other operations and maintenance 314 295 613 557 Depreciation and amortization 132 106 256 213 Income taxes 67 83 119 121 Other taxes 77 69 155 137 ----- ----- ------- ------ Total operating expenses 905 784 1,864 1,547 ----- ----- ------- ------ Operating Income 183 194 332 305 - ------------------------------------------------------------------------------------------------------------------------------------ Other Income and Deductions: - ------------------------------------------------------------------------------------------------------------------------------------ Allowance for equity funds used during construction 1 - 1 2 Miscellaneous, net - Miscellaneous income 5 5 11 8 Miscellaneous expense (8) (39) (11) (43) Income taxes - 10 - 10 ------ ----- -------- ------- Total other income and deductions (2) (24) 1 (23) ------ ----- -------- ------- Interest Charges and Preferred Dividends: - ------------------------------------------------------------------------------------------------------------------------------------ Interest 70 53 138 105 Allowance for borrowed funds used during construction (1) (1) (3) (3) Preferred dividends of subsidiaries 2 3 5 6 ------ ----- -------- ------- Net interest charges and preferred dividends 71 55 140 108 ------ ----- -------- ------- Income Before Cumulative Effect of Change in Accounting Principle 110 115 193 174 - ------------------------------------------------------------------------------------------------------------------------------------ Cumulative Effect of Change in Accounting Principle, Net of Income Taxes - - 18 - - ------------------------------------------------------------------------------------------------------------------------------------ Net Income $ 110 $ 115 $ 211 $ 174 ==================================================================================================================================== Earnings per Common Share - Basic and Diluted: Income Before Cumulative Effect of Change in Accounting Principle $ 0.68 $ 0.80 $ 1.21 $ 1.22 Cumulative Effect of Change in Accounting Principle, Net of Income Taxes - - 0.11 - ------ ------ ------ ------ Net Income $ 0.68 $ 0.80 $ 1.32 $ 1.22 ==================================================================================================================================== Average Common Shares Outstanding 161.2 144.4 160.1 142.1 ==================================================================================================================================== AMEREN CORPORATION (AEE) CONSOLIDATED BALANCE SHEET (Unaudited, in millions) June 30, December 31, 2003 2002 - ------------------------------------------------------------------------------------------------------------------------ Assets - ------------------------------------------------------------------------------------------------------------------------ Property and Plant, net $ 10,197 $ 8,840 - ------------------------------------------------------------------------------------------------------------------------ Investments and Other Assets: - ------------------------------------------------------------------------------------------------------------------------ Investments 168 38 Nuclear decommissioning trust fund 191 172 Goodwill and other intangibles 620 - Other assets 313 307 --------------- --------------- Total investments and other assets 1,292 517 - ------------------------------------------------------------------------------------------------------------------------ Current Assets: - ------------------------------------------------------------------------------------------------------------------------ Cash and cash equivalents 101 628 Accounts receivable - trade 299 266 Unbilled revenue 257 176 Miscellaneous accounts and notes receivable 56 44 Materials and supplies, at average cost 420 299 Other current assets 44 39 --------------- --------------- Total current assets 1,177 1,452 --------------- --------------- Regulatory Assets 791 690 - ------------------------------------------------------------------------------------------------------------------------ Total Assets $ 13,457 $ 11,499 ======================================================================================================================== Capital and Liabilities - ------------------------------------------------------------------------------------------------------------------------ Capitalization: - ------------------------------------------------------------------------------------------------------------------------ Common stock $ 2 $ 2 Other paid-in capital, principally premium on common stock 2,500 2,203 Retained earnings 1,745 1,739 Accumulated other comprehensive income (100) (93) Other (10) (9) --------------- --------------- Total common stockholders' equity 4,137 3,842 Preferred stock not subject to mandatory redemption 213 193 Long-term debt, net 4,177 3,433 Preferred stock subject to mandatory redemption 22 - --------------- --------------- Total capitalization 8,549 7,468 Minority Interest in Consolidated Subsidiaries 19 15 - ------------------------------------------------------------------------------------------------------------------------ Current Liabilities: - ------------------------------------------------------------------------------------------------------------------------ Current maturities of long-term debt 407 339 Short-term debt 180 271 Accounts and wages payable 297 369 Asset retirement obligations 4 - Accumulated deferred income taxes 3 5 Taxes accrued 163 45 Other current liabilities 209 172 --------------- --------------- Total current liabilities 1,263 1,201 Accumulated Deferred Income Taxes 1,964 1,707 Accumulated Deferred Investment Tax Credits 156 149 Regulatory Liabilities 123 136 Asset Retirement Obligations 403 174 Accrued Pension Liabilities 539 377 Other Deferred Credits and Liabilities 441 272 - ------------------------------------------------------------------------------------------------------------------------ Total Capital and Liabilities $ 13,457 $ 11,499 ======================================================================================================================== AMEREN CORPORATION (AEE) CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited, in millions) Six Months Ended June 30, 2003 2002 - --------------------------------------------------------------------------------------------------------------------------- Cash Flows From Operating: - --------------------------------------------------------------------------------------------------------------------------- Net income $ 211 $ 174 Adjustments to reconcile net income to net cash provided by operating activities: Cumulative effect of change in accounting principle (18) - Depreciation and amortization 256 213 Amortization of nuclear fuel 16 16 Amortization of debt issuance costs and premium/discounts 5 4 Allowance for funds used during construction (4) (5) Deferred income taxes, net (9) (6) Deferred investment tax credits, net (6) (4) Other (7) - Changes in assets and liabilities, excluding the effects of the acquisitions: Receivables, net 6 (74) Materials and supplies (14) 32 Accounts and wages payable (149) (139) Taxes accrued 99 107 Assets, other 17 (12) Liabilities, other 27 40 ----- ----- Net cash provided by operating activities 430 346 - ---------------------------------------------------------------------------------------------------------------------------- Cash Flows From Investing: - ---------------------------------------------------------------------------------------------------------------------------- Construction expenditures (332) (401) Acquisitions, net of cash acquired (489) - Allowance for funds used during construction 4 5 Nuclear fuel expenditures (1) (16) Other 2 1 ----- ----- Net cash used in investing activities (816) (411) - ---------------------------------------------------------------------------------------------------------------------------- Cash Flows From Financing: - ---------------------------------------------------------------------------------------------------------------------------- Dividends on common stock (205) (182) Capital issuance costs (11) (23) Redemptions - Nuclear fuel lease (20) - Short-term debt (91) (637) Long-term debt (420) (5) Issuances - Common stock 308 269 Nuclear fuel lease - 6 Long-term debt 298 720 ----- ----- Net cash provided by (used in) financing activities (141) 148 - ---------------------------------------------------------------------------------------------------------------------------- Net Change In Cash and Cash Equivalents (527) 83 Cash and Cash Equivalents at Beginning of Year 628 67 - ---------------------------------------------------------------------------------------------------------------------------- Cash and Cash Equivalents at End of Period $ 101 $ 150 ============================================================================================================================