Other Income And Expenses

3 Months Ended

Mar. 31, 2012

Other Income And Expenses

NOTE 5 - OTHER INCOME AND EXPENSES

The following table presents the components of "Other Income and Expenses" in Ameren's, Ameren Missouri's, and Ameren Illinois' statement of income (loss) and statements of income and comprehensive income for the three months ended March 31, 2012, and 2011:

	Three Months
	2012		2011
Ameren:(a)
Miscellaneous income:
Allowance for equity funds used during construction	$	9	$	6
Interest income on industrial development revenue bonds		7		7
Interest and dividend income		—		1
Other		1		2
Total miscellaneous income	$	17	$	16
Miscellaneous expense:
Donations(b)	$	12	$	2
Other		3		3
Total miscellaneous expense	$	15	$	5
Ameren Missouri:
Miscellaneous income:
Allowance for equity funds used during construction	$	8	$	6
Interest income on industrial development revenue bonds		7		7
Total miscellaneous income	$	15	$	13
Miscellaneous expense:
Donations	$	2	$	1
Other		1		2
Total miscellaneous expense	$	3	$	3
Ameren Illinois:
Miscellaneous income:
Allowance for equity funds used during construction	$	1	$	—
Interest and dividend income		—		1
Other		—		1
Total miscellaneous income	$	1	$	2
Miscellaneous expense:
Donations(b)	$	10	$	—
Other		1		1
Total miscellaneous expense	$	11	$	1

(a) Includes amounts for Ameren registrant and nonregistrant subsidiaries and intercompany eliminations.

(b) Includes Ameren Illinois' one-time $7.5 million donation and $1 million annual donation to the Illinois Science and Energy Innovation Trust and $1 million annual donation for customer assistance programs pursuant to the IEIMA as a result of Ameren Illinois' participation in the formula ratemaking process.

Ameren Energy Generating Company [Member]

Other Income And Expenses

NOTE 5 - OTHER INCOME AND EXPENSES

The following table presents the components of "Other Income and Expenses" in Ameren's, Ameren Missouri's, and Ameren Illinois' statement of income (loss) and statements of income and comprehensive income for the three months ended March 31, 2012, and 2011:

	Three Months
	2012		2011
Ameren:(a)
Miscellaneous income:
Allowance for equity funds used during construction	$	9	$	6
Interest income on industrial development revenue bonds		7		7
Interest and dividend income		—		1
Other		1		2
Total miscellaneous income	$	17	$	16
Miscellaneous expense:
Donations(b)	$	12	$	2
Other		3		3
Total miscellaneous expense	$	15	$	5
Ameren Missouri:
Miscellaneous income:
Allowance for equity funds used during construction	$	8	$	6
Interest income on industrial development revenue bonds		7		7
Total miscellaneous income	$	15	$	13
Miscellaneous expense:
Donations	$	2	$	1
Other		1		2
Total miscellaneous expense	$	3	$	3
Ameren Illinois:
Miscellaneous income:
Allowance for equity funds used during construction	$	1	$	—
Interest and dividend income		—		1
Other		—		1
Total miscellaneous income	$	1	$	2
Miscellaneous expense:
Donations(b)	$	10	$	—
Other		1		1
Total miscellaneous expense	$	11	$	1

(a) Includes amounts for Ameren registrant and nonregistrant subsidiaries and intercompany eliminations.

(b) Includes Ameren Illinois' one-time $7.5 million donation and $1 million annual donation to the Illinois Science and Energy Innovation Trust and $1 million annual donation for customer assistance programs pursuant to the IEIMA as a result of Ameren Illinois' participation in the formula ratemaking process.

Ameren Illinois Company [Member]

Other Income And Expenses

NOTE 5 - OTHER INCOME AND EXPENSES

The following table presents the components of "Other Income and Expenses" in Ameren's, Ameren Missouri's, and Ameren Illinois' statement of income (loss) and statements of income and comprehensive income for the three months ended March 31, 2012, and 2011:

	Three Months
	2012		2011
Ameren:(a)
Miscellaneous income:
Allowance for equity funds used during construction	$	9	$	6
Interest income on industrial development revenue bonds		7		7
Interest and dividend income		—		1
Other		1		2
Total miscellaneous income	$	17	$	16
Miscellaneous expense:
Donations(b)	$	12	$	2
Other		3		3
Total miscellaneous expense	$	15	$	5
Ameren Missouri:
Miscellaneous income:
Allowance for equity funds used during construction	$	8	$	6
Interest income on industrial development revenue bonds		7		7
Total miscellaneous income	$	15	$	13
Miscellaneous expense:
Donations	$	2	$	1
Other		1		2
Total miscellaneous expense	$	3	$	3
Ameren Illinois:
Miscellaneous income:
Allowance for equity funds used during construction	$	1	$	—
Interest and dividend income		—		1
Other		—		1
Total miscellaneous income	$	1	$	2
Miscellaneous expense:
Donations(b)	$	10	$	—
Other		1		1
Total miscellaneous expense	$	11	$	1

(a) Includes amounts for Ameren registrant and nonregistrant subsidiaries and intercompany eliminations.

(b) Includes Ameren Illinois' one-time $7.5 million donation and $1 million annual donation to the Illinois Science and Energy Innovation Trust and $1 million annual donation for customer assistance programs pursuant to the IEIMA as a result of Ameren Illinois' participation in the formula ratemaking process.

Union Electric Company [Member]

Other Income And Expenses

NOTE 5 - OTHER INCOME AND EXPENSES

The following table presents the components of "Other Income and Expenses" in Ameren's, Ameren Missouri's, and Ameren Illinois' statement of income (loss) and statements of income and comprehensive income for the three months ended March 31, 2012, and 2011:

	Three Months
	2012		2011
Ameren:(a)
Miscellaneous income:
Allowance for equity funds used during construction	$	9	$	6
Interest income on industrial development revenue bonds		7		7
Interest and dividend income		—		1
Other		1		2
Total miscellaneous income	$	17	$	16
Miscellaneous expense:
Donations(b)	$	12	$	2
Other		3		3
Total miscellaneous expense	$	15	$	5
Ameren Missouri:
Miscellaneous income:
Allowance for equity funds used during construction	$	8	$	6
Interest income on industrial development revenue bonds		7		7
Total miscellaneous income	$	15	$	13
Miscellaneous expense:
Donations	$	2	$	1
Other		1		2
Total miscellaneous expense	$	3	$	3
Ameren Illinois:
Miscellaneous income:
Allowance for equity funds used during construction	$	1	$	—
Interest and dividend income		—		1
Other		—		1
Total miscellaneous income	$	1	$	2
Miscellaneous expense:
Donations(b)	$	10	$	—
Other		1		1
Total miscellaneous expense	$	11	$	1

(a) Includes amounts for Ameren registrant and nonregistrant subsidiaries and intercompany eliminations.

(b) Includes Ameren Illinois' one-time $7.5 million donation and $1 million annual donation to the Illinois Science and Energy Innovation Trust and $1 million annual donation for customer assistance programs pursuant to the IEIMA as a result of Ameren Illinois' participation in the formula ratemaking process.