Exhibit 12 LACLEDE GAS COMPANY AND SUBSIDIARY COMPANIES SCHEDULE OF COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES ------------------------------------------------------------- Fiscal Year Ended September 30, ---------------------------------------- 1995 1994 1993 1992 1991 ---- ---- ---- ---- ---- (Thousands of Dollars) Income before interest charges and the cumulative effect of change in accounting $39,428 $38,611 $41,380 $33,888 $34,616 Add: Taxes based on utility income 9,878 12,517 14,997 8,272 10,795 Taxes based on miscellaneous income 252 121 1,068 172 281 One third of applicable rentals charged to operating expense (which approximates the interest factor) 288 287 284 279 269 ------------------------------------------- Total Earnings $49,846 $51,536 $57,729 $42,611 $45,961 =========================================== Interest on long-term debt $12,544 $12,626 $14,415 $13,803 $13,062 Other interest 5,983 3,768 1,798 1,811 1,524 One-third of applicable rentals charged to operating expense (which approximates the interest factor) 288 287 284 279 269 ------------------------------------------- Total Fixed Charges $18,815 $16,681 $16,497 $15,893 $14,855 =========================================== Ratio of Earnings to Fixed Charges 2.65 3.09 3.50 2.68 3.09 88