<ARTICLE> UT <LEGEND> Exhibit 27 CENTRAL ILLINOIS PUBLIC SERVICE COMPANY 10-Q MARCH 31, 1999 FINANCIAL DATA SCHEDULE UT PUBLIC UTILITY COMPANIES AND PUBLIC UTILITY HOLDING COMPANIES APPENDIX E TO ITEM 601 (C) OF REGULATION S-K (Thousands of Dollars) </LEGEND> <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> MAR-31-1999 <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> 1,466,357 <OTHER-PROPERTY-AND-INVEST> 0 <TOTAL-CURRENT-ASSETS> 204,841 <TOTAL-DEFERRED-CHARGES> 30,976 <OTHER-ASSETS> 46,292 <TOTAL-ASSETS> 1,748,466 <COMMON> 120,033 <CAPITAL-SURPLUS-PAID-IN> 0 <RETAINED-EARNINGS> 451,798 <TOTAL-COMMON-STOCKHOLDERS-EQ> 571,831 <PREFERRED-MANDATORY> 0 <PREFERRED> 80,000 <LONG-TERM-DEBT-NET> 523,502 <SHORT-TERM-NOTES> 31,700 <LONG-TERM-NOTES-PAYABLE> 0 <COMMERCIAL-PAPER-OBLIGATIONS> 0 <LONG-TERM-DEBT-CURRENT-PORT> 60,000 <PREFERRED-STOCK-CURRENT> 0 <CAPITAL-LEASE-OBLIGATIONS> 0 <LEASES-CURRENT> 0 <OTHER-ITEMS-CAPITAL-AND-LIAB> 481,433 <TOT-CAPITALIZATION-AND-LIAB> 1,748,466 <GROSS-OPERATING-REVENUE> 207,772 <INCOME-TAX-EXPENSE> 5,979 <OTHER-OPERATING-EXPENSES> 177,084 <TOTAL-OPERATING-EXPENSES> 183,063 <OPERATING-INCOME-LOSS> 24,709 <OTHER-INCOME-NET> 350 <INCOME-BEFORE-INTEREST-EXPEN> 25,059 <TOTAL-INTEREST-EXPENSE> 10,744 <NET-INCOME> 14,315 <PREFERRED-STOCK-DIVIDENDS> 968 <EARNINGS-AVAILABLE-FOR-COMM> 13,347 <COMMON-STOCK-DIVIDENDS> 17,155 <TOTAL-INTEREST-ON-BONDS> 0 <F1> <CASH-FLOW-OPERATIONS> 49,911 <EPS-PRIMARY> 0.00 <F2> <EPS-DILUTED> 0.00 <F2> <FN> <F1> Required at fiscal year-end only. <F2> Information not normally disclosed in financial statements and notes. </FN>