December 31, 2015



Primary Risk Exposure	Unit of Measure	AEP		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	317.8		40.9		22.8		13.3		11.3		14.0
Coal	Tons	4.4		—		1.6		—		—		2.8
Natural Gas	MMBtus	38.2		0.3		0.2		—		0.2		0.2
Heating Oil and Gasoline	Gallons	7.4		1.4		0.7		1.6		0.8		0.9
Interest Rate	USD	$	113.5	$	2.4	$	1.6	$	—	$	—	$	—

Interest Rate and Foreign Currency	USD	$	560.3	$	—	$	—	$	—	$	—	$	—

Notional Volume of Derivative Instruments

December 31, 2014



Primary Risk Exposure	Unit of Measure	AEP		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	333.7		32.5		23.8		20.3		16.8		20.5
Coal	Tons	3.1		0.3		0.5		—		—		1.5
Natural Gas	MMBtus	105.9		0.4		0.3		—		—		—
Heating Oil and Gasoline	Gallons	5.5		1.1		0.5		1.1		0.6		0.7
Interest Rate	USD	$	152.0	$	5.1	$	3.5	$	—	$	—	$	—

Interest Rate and Foreign Currency	USD	$	815.2	$	—	$	—	$	—	$	—	$	—



	December 31,
	2015				2014
Company	Cash Collateral Received Netted Against Risk Management Assets		Cash Collateral Paid Netted Against Risk Management Liabilities		Cash Collateral Received Netted Against Risk Management Assets		Cash Collateral Paid Netted Against Risk Management Liabilities
	(in millions)
AEP	$	5.8	$	44.4	$	3.5	$	35.2
APCo	—		3.1		0.1		0.1
I&M	—		0.6		0.2		—
OPCo	—		0.5		—		0.1
PSO	—		0.3		—		0.1
SWEPCo	—		0.3		—		0.1

Amount of Gain (Loss) Recognized on Risk Management Contracts

AEP

Fair Value of Derivative Instruments

December 31, 2015



	Risk Management Contracts		Hedging Contracts						Gross Amounts of Risk Management Assets/ Liabilities Recognized		Gross Amounts Offset in the Statement of Financial Position (b)			Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)		Commodity (a)			Interest Rate and Foreign Currency (a)
	(in millions)
Current Risk Management Assets	$	368.8	$	8.2		$	0.1		$	377.1	$	(242.7	)	$	134.4
Long-term Risk Management Assets	364.8		11.7			—			376.5		(54.7		)	321.8
Total Assets	733.6		19.9			0.1			753.6		(297.4		)	456.2

Current Risk Management Liabilities	347.0		9.1			0.3			356.4		(269.3		)	87.1
Long-term Risk Management Liabilities	223.3		19.3			3.2			245.8		(66.7		)	179.1
Total Liabilities	570.3		28.4			3.5			602.2		(336.0		)	266.2

Total MTM Derivative Contract Net Assets (Liabilities)	$	163.3	$	(8.5	)	$	(3.4	)	$	151.4	$	38.6		$	190.0

AEP

Fair Value of Derivative Instruments

December 31, 2014



	Risk Management Contracts		Hedging Contracts					Gross Amounts of Risk Management Assets/ Liabilities Recognized		Gross Amounts Offset in the Statement of Financial Position (b)			Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)		Commodity (a)		Interest Rate and Foreign Currency (a)
	(in millions)
Current Risk Management Assets	$	392.6	$	30.0	$	2.6		$	425.2	$	(247.3	)	$	177.9
Long-term Risk Management Assets	366.7		3.8		—			370.5		(76.3		)	294.2
Total Assets	759.3		33.8		2.6			795.7		(323.6		)	472.1

Current Risk Management Liabilities	328.6		23.4		0.7			352.7		(261.1		)	91.6
Long-term Risk Management Liabilities	208.0		7.9		9.2			225.1		(94.2		)	130.9
Total Liabilities	536.6		31.3		9.9			577.8		(355.3		)	222.5

Total MTM Derivative Contract Net Assets (Liabilities)	$	222.7	$	2.5	$	(7.3	)	$	217.9	$	31.7		$	249.6


(a)	Derivative instruments within these categories are reported gross. These instruments are subject to master netting agreements and are presented on the balance sheets on a net basis in accordance with the accounting guidance for “Derivatives and Hedging.”


(b)	Amounts primarily include counterparty netting of risk management and hedging contracts and associated cash collateral in accordance with the accounting guidance for “Derivatives and Hedging.”


(c)	There are no derivative contracts subject to a master netting arrangement or similar agreement which are not offset in the statement of financial position.

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2015



Location of Gain (Loss)	AEP			APCo			I&M			OPCo			PSO			SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	6.7		$	—		$	—		$	—		$	—		$	—
Transmission and Distribution Utilities Revenues	(4.3		)	—			—			—			—			—
Generation & Marketing Revenues	54.9			—			—			—			—			—
Electric Generation, Transmission and Distribution Revenues	—			1.1			3.3			(4.3		)	—			—
Sales to AEP Affiliates	—			2.4			8.2			—			—			—
Purchased Electricity for Resale	6.4			2.0			0.4			—			—			—
Other Operation Expense	(3.3		)	(0.4		)	(0.4		)	(0.6		)	(0.4		)	(0.5		)
Maintenance Expense	(3.3		)	(0.7		)	(0.4		)	(0.5		)	(0.4		)	(0.4		)
Regulatory Assets (a)	(0.9		)	3.4			(2.7		)	—			0.6			(4.3		)
Regulatory Liabilities (a)	30.2			28.7			7.5			(24.7		)	4.4			15.1
Total Gain (Loss) on Risk Management Contracts	$	86.4		$	36.5		$	15.9		$	(30.1	)	$	4.2		$	9.9

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2014



Location of Gain (Loss)	AEP			APCo			I&M			OPCo		PSO			SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	35.4		$	—		$	—		$	—	$	—		$	—
Generation & Marketing Revenues	52.5			—			—			—		—			—
Electric Generation, Transmission and Distribution Revenues	—			8.7			13.2			—		0.2			—
Sales to AEP Affiliates	—			—			(0.9		)	—		0.9			—
Regulatory Assets (a)	(11.4		)	(4.1		)	(0.5		)	—		(1.0		)	(1.1		)
Regulatory Liabilities (a)	193.2			49.6			37.4			86.0		0.3			16.9
Total Gain on Risk Management Contracts	$	269.7		$	54.2		$	49.2		$	86.0	$	0.4		$	15.8

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2013



Location of Gain (Loss)	AEP			APCo			I&M			OPCo			PSO		SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	15.1		$	—		$	—		$	—		$	—	$	—
Generation & Marketing Revenues	49.2			—			—			—			—		—
Electric Generation, Transmission and Distribution Revenues	—			2.0			10.6			4.9			0.4		0.6
Regulatory Assets (a)	(2.4		)	—			—			(5.8		)	2.9		0.4
Regulatory Liabilities (a)	(5.0		)	(0.3		)	(9.1		)	2.9			1.0		1.5
Total Gain on Risk Management Contracts	$	56.9		$	1.7		$	1.5		$	2.0		$	4.3	$	2.5


(a)	Represents realized and unrealized gains and losses subject to regulatory accounting treatment recorded as either current or noncurrent on the balance sheets.

Gain (Loss) on Hedging Instruments



	Years Ended December 31,
	2015			2014			2013
	(in millions)
Gain (Loss) on Fair Value Hedging Instruments	$	3.2		$	3.8		$	(10.4	)
Gain (Loss) on Fair Value Portion of Long-term Debt	(3.3		)	(3.9		)	10.4

Collateral Required Under Various Triggering Events

Impact of Cash Flow Hedges on the Registrants’ Balance Sheets

December 31, 2015



	Hedging Assets (a)				Hedging Liabilities (a)				AOCI Gain (Loss) Net of Tax
Company	Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency		Commodity			Interest Rate and Foreign Currency
	(in millions)
AEP	$	17.6	$	—	$	26.1	$	0.4	$	(5.2	)	$	(17.2	)
APCo	—		—		—		—		—			3.6
I&M	—		—		—		—		—			(13.3		)
OPCo	—		—		—		—		—			4.3
PSO	—		—		—		—		—			4.2
SWEPCo	—		—		—		—		—			(9.1		)



	Expected to be Reclassified to Net Income During the Next Twelve Months
Company	Commodity			Interest Rate and Foreign Currency			Maximum Term for Exposure to Variability of Future Cash Flows
	(in millions)						(in months)
AEP	$	(0.4	)	$	(1.5	)	144
APCo	—			0.7			0
I&M	—			(1.3		)	0
OPCo	—			1.2			0
PSO	—			0.8			0
SWEPCo	—			(1.7		)	0

Impact of Cash Flow Hedges on the Registrants’ Balance Sheets

December 31, 2014



	Hedging Assets (a)				Hedging Liabilities (a)				AOCI Gain (Loss) Net of Tax
Company	Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency
	(in millions)
AEP	$	16.8	$	—	$	14.3	$	1.0	$	1.6	$	(19.1	)
APCo	—		—		—		—		—		3.9
I&M	—		—		—		—		—		(14.4		)
OPCo	—		—		—		—		—		5.6
PSO	—		—		—		—		—		5.0
SWEPCo	—		—		—		—		—		(11.1		)



	Expected to be Reclassified to Net Income During the Next Twelve Months
Company	Commodity		Interest Rate and Foreign Currency
	(in millions)
AEP	$	4.3	$	(2.0	)
APCo	—		0.3
I&M	—		(1.1		)
OPCo	—		1.4
PSO	—		0.8
SWEPCo	—		(2.0		)


(a)	Hedging Assets and Hedging Liabilities are included in Risk Management Assets and Liabilities on the balance sheets.



	December 31, 2015
Company	Fair Value of Contracts with Credit Downgrade Triggers		Amount of Collateral the Registrants Would Have Been Required to Post for Derivative Contracts as well as Non- Derivative Contracts Subject to the Same Master Netting Arrangement		Amount of Collateral the Registrants Would Have Been Required to Post Attributable to RTOs and ISOs		Amount of Collateral Attributable to Other Contracts
	(in millions)
AEP	$	—	$	—	$	17.5	$	297.8	(a)
APCo	—		—		4.9		0.1
I&M	—		—		3.3		0.1
OPCo	—		—		—		—
PSO	—		—		—		3.2
SWEPCo	—		—		—		0.1



	December 31, 2014
Company	Fair Value of Contracts with Credit Downgrade Triggers		Amount of Collateral the Registrants Would Have Been Required to Post for Derivative Contracts as well as Non- Derivative Contracts Subject to the Same Master Netting Arrangement		Amount of Collateral the Registrants Would Have Been Required to Post Attributable to RTOs and ISOs		Amount of Collateral Attributable to Other Contracts
	(in millions)
AEP	$	—	$	—	$	36.0	$	280.6	(a)
APCo	—		—		6.3		0.1
I&M	—		—		4.3		—
OPCo	—		—		—		—
PSO	—		—		0.7		4.1
SWEPCo	—		—		0.9		0.2


(a)	Represents the amount of collateral AEP subsidiaries would have been required to post for other significant non-derivative contracts including AGR jointly owned plant contracts and various other commodity related contacts.

Appalachian Power Co [Member]



	December 31, 2015
Company	Liabilities for Contracts with Cross Default Provisions Prior to Contractual Netting Arrangements		Amount of Cash Collateral Posted		Additional Settlement Liability if Cross Default Provision is Triggered
	(in millions)
AEP	$	300.1	$	0.8	$	240.6
APCo	3.7		—		3.7
I&M	2.5		—		2.5
OPCo	—		—		—
PSO	—		—		—
SWEPCo	—		—		—



	December 31, 2014
Company	Liabilities for Contracts with Cross Default Provisions Prior to Contractual Netting Arrangements		Amount of Cash Collateral Posted		Additional Settlement Liability if Cross Default Provision is Triggered
	(in millions)
AEP	$	235.2	$	8.5	$	178.2
APCo	9.0		—		9.0
I&M	6.1		—		6.1
OPCo	—		—		—
PSO	—		—		—
SWEPCo	—		—		—

December 31, 2015



Primary Risk Exposure	Unit of Measure	AEP		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	317.8		40.9		22.8		13.3		11.3		14.0
Coal	Tons	4.4		—		1.6		—		—		2.8
Natural Gas	MMBtus	38.2		0.3		0.2		—		0.2		0.2
Heating Oil and Gasoline	Gallons	7.4		1.4		0.7		1.6		0.8		0.9
Interest Rate	USD	$	113.5	$	2.4	$	1.6	$	—	$	—	$	—

Interest Rate and Foreign Currency	USD	$	560.3	$	—	$	—	$	—	$	—	$	—

Notional Volume of Derivative Instruments

December 31, 2014



Primary Risk Exposure	Unit of Measure	AEP		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	333.7		32.5		23.8		20.3		16.8		20.5
Coal	Tons	3.1		0.3		0.5		—		—		1.5
Natural Gas	MMBtus	105.9		0.4		0.3		—		—		—
Heating Oil and Gasoline	Gallons	5.5		1.1		0.5		1.1		0.6		0.7
Interest Rate	USD	$	152.0	$	5.1	$	3.5	$	—	$	—	$	—

Interest Rate and Foreign Currency	USD	$	815.2	$	—	$	—	$	—	$	—	$	—



	December 31,
	2015				2014
Company	Cash Collateral Received Netted Against Risk Management Assets		Cash Collateral Paid Netted Against Risk Management Liabilities		Cash Collateral Received Netted Against Risk Management Assets		Cash Collateral Paid Netted Against Risk Management Liabilities
	(in millions)
AEP	$	5.8	$	44.4	$	3.5	$	35.2
APCo	—		3.1		0.1		0.1
I&M	—		0.6		0.2		—
OPCo	—		0.5		—		0.1
PSO	—		0.3		—		0.1
SWEPCo	—		0.3		—		0.1

Amount of Gain (Loss) Recognized on Risk Management Contracts

APCo

Fair Value of Derivative Instruments

December 31, 2015



	Risk Management Contracts		Hedging Contracts				Gross Amounts of Risk Management Assets/ Liabilities Recognized		Gross Amounts Offset in the Statement of Financial Position (b)			Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)		Commodity (a)		Interest Rate and Foreign Currency (a)
	(in millions)
Current Risk Management Assets - Nonaffiliated and Affiliated	$	25.9	$	—	$	—	$	25.9	$	(10.3	)	$	15.6
Long-term Risk Management Assets - Nonaffiliated	0.3		—		—		0.3		(0.2		)	0.1
Total Assets	26.2		—		—		26.2		(10.5		)	15.7

Current Risk Management Liabilities - Nonaffiliated	18.1		—		—		18.1		(13.3		)	4.8
Long-term Risk Management Liabilities - Nonaffiliated	0.3		—		—		0.3		(0.2		)	0.1
Total Liabilities	18.4		—		—		18.4		(13.5		)	4.9

Total MTM Derivative Contract Net Assets (Liabilities)	$	7.8	$	—	$	—	$	7.8	$	3.0		$	10.8

APCo

Fair Value of Derivative Instruments

December 31, 2014



	Risk Management Contracts		Hedging Contracts				Gross Amounts of Risk Management Assets/ Liabilities Recognized		Gross Amounts Offset in the Statement of Financial Position (b)			Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)		Commodity (a)		Interest Rate and Foreign Currency (a)
	(in millions)
Current Risk Management Assets - Nonaffiliated	$	32.9	$	—	$	—	$	32.9	$	(9.1	)	$	23.8
Long-term Risk Management Assets - Nonaffiliated	5.2		—		—		5.2		(0.3		)	4.9
Total Assets	38.1		—		—		38.1		(9.4		)	28.7

Current Risk Management Liabilities - Nonaffiliated	20.2		—		—		20.2		(9.2		)	11.0
Long-term Risk Management Liabilities - Nonaffiliated	2.3		—		—		2.3		(0.2		)	2.1
Total Liabilities	22.5		—		—		22.5		(9.4		)	13.1

Total MTM Derivative Contract Net Assets (Liabilities)	$	15.6	$	—	$	—	$	15.6	$	—		$	15.6


(a)	Derivative instruments within these categories are reported gross. These instruments are subject to master netting agreements and are presented on the balance sheets on a net basis in accordance with the accounting guidance for “Derivatives and Hedging.”


(b)	Amounts include counterparty netting of risk management and hedging contracts and associated cash collateral in accordance with the accounting guidance for “Derivatives and Hedging.”


(c)	There are no derivative contracts subject to a master netting arrangement or similar agreement which are not offset in the statement of financial position.

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2015



Location of Gain (Loss)	AEP			APCo			I&M			OPCo			PSO			SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	6.7		$	—		$	—		$	—		$	—		$	—
Transmission and Distribution Utilities Revenues	(4.3		)	—			—			—			—			—
Generation & Marketing Revenues	54.9			—			—			—			—			—
Electric Generation, Transmission and Distribution Revenues	—			1.1			3.3			(4.3		)	—			—
Sales to AEP Affiliates	—			2.4			8.2			—			—			—
Purchased Electricity for Resale	6.4			2.0			0.4			—			—			—
Other Operation Expense	(3.3		)	(0.4		)	(0.4		)	(0.6		)	(0.4		)	(0.5		)
Maintenance Expense	(3.3		)	(0.7		)	(0.4		)	(0.5		)	(0.4		)	(0.4		)
Regulatory Assets (a)	(0.9		)	3.4			(2.7		)	—			0.6			(4.3		)
Regulatory Liabilities (a)	30.2			28.7			7.5			(24.7		)	4.4			15.1
Total Gain (Loss) on Risk Management Contracts	$	86.4		$	36.5		$	15.9		$	(30.1	)	$	4.2		$	9.9

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2014



Location of Gain (Loss)	AEP			APCo			I&M			OPCo		PSO			SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	35.4		$	—		$	—		$	—	$	—		$	—
Generation & Marketing Revenues	52.5			—			—			—		—			—
Electric Generation, Transmission and Distribution Revenues	—			8.7			13.2			—		0.2			—
Sales to AEP Affiliates	—			—			(0.9		)	—		0.9			—
Regulatory Assets (a)	(11.4		)	(4.1		)	(0.5		)	—		(1.0		)	(1.1		)
Regulatory Liabilities (a)	193.2			49.6			37.4			86.0		0.3			16.9
Total Gain on Risk Management Contracts	$	269.7		$	54.2		$	49.2		$	86.0	$	0.4		$	15.8

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2013



Location of Gain (Loss)	AEP			APCo			I&M			OPCo			PSO		SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	15.1		$	—		$	—		$	—		$	—	$	—
Generation & Marketing Revenues	49.2			—			—			—			—		—
Electric Generation, Transmission and Distribution Revenues	—			2.0			10.6			4.9			0.4		0.6
Regulatory Assets (a)	(2.4		)	—			—			(5.8		)	2.9		0.4
Regulatory Liabilities (a)	(5.0		)	(0.3		)	(9.1		)	2.9			1.0		1.5
Total Gain on Risk Management Contracts	$	56.9		$	1.7		$	1.5		$	2.0		$	4.3	$	2.5


(a)	Represents realized and unrealized gains and losses subject to regulatory accounting treatment recorded as either current or noncurrent on the balance sheets.

Collateral Required Under Various Triggering Events

Impact of Cash Flow Hedges on the Registrants’ Balance Sheets

December 31, 2015



	Hedging Assets (a)				Hedging Liabilities (a)				AOCI Gain (Loss) Net of Tax
Company	Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency		Commodity			Interest Rate and Foreign Currency
	(in millions)
AEP	$	17.6	$	—	$	26.1	$	0.4	$	(5.2	)	$	(17.2	)
APCo	—		—		—		—		—			3.6
I&M	—		—		—		—		—			(13.3		)
OPCo	—		—		—		—		—			4.3
PSO	—		—		—		—		—			4.2
SWEPCo	—		—		—		—		—			(9.1		)



	Expected to be Reclassified to Net Income During the Next Twelve Months
Company	Commodity			Interest Rate and Foreign Currency			Maximum Term for Exposure to Variability of Future Cash Flows
	(in millions)						(in months)
AEP	$	(0.4	)	$	(1.5	)	144
APCo	—			0.7			0
I&M	—			(1.3		)	0
OPCo	—			1.2			0
PSO	—			0.8			0
SWEPCo	—			(1.7		)	0

Impact of Cash Flow Hedges on the Registrants’ Balance Sheets

December 31, 2014



	Hedging Assets (a)				Hedging Liabilities (a)				AOCI Gain (Loss) Net of Tax
Company	Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency
	(in millions)
AEP	$	16.8	$	—	$	14.3	$	1.0	$	1.6	$	(19.1	)
APCo	—		—		—		—		—		3.9
I&M	—		—		—		—		—		(14.4		)
OPCo	—		—		—		—		—		5.6
PSO	—		—		—		—		—		5.0
SWEPCo	—		—		—		—		—		(11.1		)



	Expected to be Reclassified to Net Income During the Next Twelve Months
Company	Commodity		Interest Rate and Foreign Currency
	(in millions)
AEP	$	4.3	$	(2.0	)
APCo	—		0.3
I&M	—		(1.1		)
OPCo	—		1.4
PSO	—		0.8
SWEPCo	—		(2.0		)


(a)	Hedging Assets and Hedging Liabilities are included in Risk Management Assets and Liabilities on the balance sheets.



	December 31, 2015
Company	Fair Value of Contracts with Credit Downgrade Triggers		Amount of Collateral the Registrants Would Have Been Required to Post for Derivative Contracts as well as Non- Derivative Contracts Subject to the Same Master Netting Arrangement		Amount of Collateral the Registrants Would Have Been Required to Post Attributable to RTOs and ISOs		Amount of Collateral Attributable to Other Contracts
	(in millions)
AEP	$	—	$	—	$	17.5	$	297.8	(a)
APCo	—		—		4.9		0.1
I&M	—		—		3.3		0.1
OPCo	—		—		—		—
PSO	—		—		—		3.2
SWEPCo	—		—		—		0.1



	December 31, 2014
Company	Fair Value of Contracts with Credit Downgrade Triggers		Amount of Collateral the Registrants Would Have Been Required to Post for Derivative Contracts as well as Non- Derivative Contracts Subject to the Same Master Netting Arrangement		Amount of Collateral the Registrants Would Have Been Required to Post Attributable to RTOs and ISOs		Amount of Collateral Attributable to Other Contracts
	(in millions)
AEP	$	—	$	—	$	36.0	$	280.6	(a)
APCo	—		—		6.3		0.1
I&M	—		—		4.3		—
OPCo	—		—		—		—
PSO	—		—		0.7		4.1
SWEPCo	—		—		0.9		0.2


(a)	Represents the amount of collateral AEP subsidiaries would have been required to post for other significant non-derivative contracts including AGR jointly owned plant contracts and various other commodity related contacts.

Indiana Michigan Power Co [Member]



	December 31, 2015
Company	Liabilities for Contracts with Cross Default Provisions Prior to Contractual Netting Arrangements		Amount of Cash Collateral Posted		Additional Settlement Liability if Cross Default Provision is Triggered
	(in millions)
AEP	$	300.1	$	0.8	$	240.6
APCo	3.7		—		3.7
I&M	2.5		—		2.5
OPCo	—		—		—
PSO	—		—		—
SWEPCo	—		—		—



	December 31, 2014
Company	Liabilities for Contracts with Cross Default Provisions Prior to Contractual Netting Arrangements		Amount of Cash Collateral Posted		Additional Settlement Liability if Cross Default Provision is Triggered
	(in millions)
AEP	$	235.2	$	8.5	$	178.2
APCo	9.0		—		9.0
I&M	6.1		—		6.1
OPCo	—		—		—
PSO	—		—		—
SWEPCo	—		—		—

December 31, 2015



Primary Risk Exposure	Unit of Measure	AEP		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	317.8		40.9		22.8		13.3		11.3		14.0
Coal	Tons	4.4		—		1.6		—		—		2.8
Natural Gas	MMBtus	38.2		0.3		0.2		—		0.2		0.2
Heating Oil and Gasoline	Gallons	7.4		1.4		0.7		1.6		0.8		0.9
Interest Rate	USD	$	113.5	$	2.4	$	1.6	$	—	$	—	$	—

Interest Rate and Foreign Currency	USD	$	560.3	$	—	$	—	$	—	$	—	$	—

Notional Volume of Derivative Instruments

December 31, 2014



Primary Risk Exposure	Unit of Measure	AEP		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	333.7		32.5		23.8		20.3		16.8		20.5
Coal	Tons	3.1		0.3		0.5		—		—		1.5
Natural Gas	MMBtus	105.9		0.4		0.3		—		—		—
Heating Oil and Gasoline	Gallons	5.5		1.1		0.5		1.1		0.6		0.7
Interest Rate	USD	$	152.0	$	5.1	$	3.5	$	—	$	—	$	—

Interest Rate and Foreign Currency	USD	$	815.2	$	—	$	—	$	—	$	—	$	—



	December 31,
	2015				2014
Company	Cash Collateral Received Netted Against Risk Management Assets		Cash Collateral Paid Netted Against Risk Management Liabilities		Cash Collateral Received Netted Against Risk Management Assets		Cash Collateral Paid Netted Against Risk Management Liabilities
	(in millions)
AEP	$	5.8	$	44.4	$	3.5	$	35.2
APCo	—		3.1		0.1		0.1
I&M	—		0.6		0.2		—
OPCo	—		0.5		—		0.1
PSO	—		0.3		—		0.1
SWEPCo	—		0.3		—		0.1

Amount of Gain (Loss) Recognized on Risk Management Contracts

I&M

Fair Value of Derivative Instruments

December 31, 2015



	Risk Management Contracts		Hedging Contracts				Gross Amounts of Risk Management Assets/ Liabilities Recognized		Gross Amounts Offset in the Statement of Financial Position (b)			Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)		Commodity (a)		Interest Rate and Foreign Currency (a)
	(in millions)
Current Risk Management Assets - Nonaffiliated and Affiliated	$	22.8	$	—	$	—	$	22.8	$	(10.5	)	$	12.3
Long-term Risk Management Assets - Nonaffiliated	0.6		—		—		0.6		(0.6		)	—
Total Assets	23.4		—		—		23.4		(11.1		)	12.3

Current Risk Management Liabilities - Nonaffiliated	17.0		—		—		17.0		(10.7		)	6.3
Long-term Risk Management Liabilities - Nonaffiliated	2.6		—		—		2.6		(1.0		)	1.6
Total Liabilities	19.6		—		—		19.6		(11.7		)	7.9

Total MTM Derivative Contract Net Assets (Liabilities)	$	3.8	$	—	$	—	$	3.8	$	0.6		$	4.4

I&M

Fair Value of Derivative Instruments

December 31, 2014



	Risk Management Contracts		Hedging Contracts				Gross Amounts of Risk Management Assets/ Liabilities Recognized		Gross Amounts Offset in the Statement of Financial Position (b)			Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)		Commodity (a)		Interest Rate and Foreign Currency (a)
	(in millions)
Current Risk Management Assets - Nonaffiliated	$	28.5	$	—	$	—	$	28.5	$	(6.2	)	$	22.3
Long-term Risk Management Assets - Nonaffiliated	3.5		—		—		3.5		(0.2		)	3.3
Total Assets	32.0		—		—		32.0		(6.4		)	25.6

Current Risk Management Liabilities - Nonaffiliated	11.3		—		—		11.3		(6.1		)	5.2
Long-term Risk Management Liabilities - Nonaffiliated	1.6		—		—		1.6		(0.2		)	1.4
Total Liabilities	12.9		—		—		12.9		(6.3		)	6.6

Total MTM Derivative Contract Net Assets (Liabilities)	$	19.1	$	—	$	—	$	19.1	$	(0.1	)	$	19.0


(a)	Derivative instruments within these categories are reported gross. These instruments are subject to master netting agreements and are presented on the balance sheets on a net basis in accordance with the accounting guidance for “Derivatives and Hedging.”


(b)	Amounts include counterparty netting of risk management and hedging contracts and associated cash collateral in accordance with the accounting guidance for “Derivatives and Hedging.”


(c)	There are no derivative contracts subject to a master netting arrangement or similar agreement which are not offset in the statement of financial position.

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2015



Location of Gain (Loss)	AEP			APCo			I&M			OPCo			PSO			SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	6.7		$	—		$	—		$	—		$	—		$	—
Transmission and Distribution Utilities Revenues	(4.3		)	—			—			—			—			—
Generation & Marketing Revenues	54.9			—			—			—			—			—
Electric Generation, Transmission and Distribution Revenues	—			1.1			3.3			(4.3		)	—			—
Sales to AEP Affiliates	—			2.4			8.2			—			—			—
Purchased Electricity for Resale	6.4			2.0			0.4			—			—			—
Other Operation Expense	(3.3		)	(0.4		)	(0.4		)	(0.6		)	(0.4		)	(0.5		)
Maintenance Expense	(3.3		)	(0.7		)	(0.4		)	(0.5		)	(0.4		)	(0.4		)
Regulatory Assets (a)	(0.9		)	3.4			(2.7		)	—			0.6			(4.3		)
Regulatory Liabilities (a)	30.2			28.7			7.5			(24.7		)	4.4			15.1
Total Gain (Loss) on Risk Management Contracts	$	86.4		$	36.5		$	15.9		$	(30.1	)	$	4.2		$	9.9

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2014



Location of Gain (Loss)	AEP			APCo			I&M			OPCo		PSO			SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	35.4		$	—		$	—		$	—	$	—		$	—
Generation & Marketing Revenues	52.5			—			—			—		—			—
Electric Generation, Transmission and Distribution Revenues	—			8.7			13.2			—		0.2			—
Sales to AEP Affiliates	—			—			(0.9		)	—		0.9			—
Regulatory Assets (a)	(11.4		)	(4.1		)	(0.5		)	—		(1.0		)	(1.1		)
Regulatory Liabilities (a)	193.2			49.6			37.4			86.0		0.3			16.9
Total Gain on Risk Management Contracts	$	269.7		$	54.2		$	49.2		$	86.0	$	0.4		$	15.8

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2013



Location of Gain (Loss)	AEP			APCo			I&M			OPCo			PSO		SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	15.1		$	—		$	—		$	—		$	—	$	—
Generation & Marketing Revenues	49.2			—			—			—			—		—
Electric Generation, Transmission and Distribution Revenues	—			2.0			10.6			4.9			0.4		0.6
Regulatory Assets (a)	(2.4		)	—			—			(5.8		)	2.9		0.4
Regulatory Liabilities (a)	(5.0		)	(0.3		)	(9.1		)	2.9			1.0		1.5
Total Gain on Risk Management Contracts	$	56.9		$	1.7		$	1.5		$	2.0		$	4.3	$	2.5


(a)	Represents realized and unrealized gains and losses subject to regulatory accounting treatment recorded as either current or noncurrent on the balance sheets.

Collateral Required Under Various Triggering Events

Impact of Cash Flow Hedges on the Registrants’ Balance Sheets

December 31, 2015



	Hedging Assets (a)				Hedging Liabilities (a)				AOCI Gain (Loss) Net of Tax
Company	Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency		Commodity			Interest Rate and Foreign Currency
	(in millions)
AEP	$	17.6	$	—	$	26.1	$	0.4	$	(5.2	)	$	(17.2	)
APCo	—		—		—		—		—			3.6
I&M	—		—		—		—		—			(13.3		)
OPCo	—		—		—		—		—			4.3
PSO	—		—		—		—		—			4.2
SWEPCo	—		—		—		—		—			(9.1		)



	Expected to be Reclassified to Net Income During the Next Twelve Months
Company	Commodity			Interest Rate and Foreign Currency			Maximum Term for Exposure to Variability of Future Cash Flows
	(in millions)						(in months)
AEP	$	(0.4	)	$	(1.5	)	144
APCo	—			0.7			0
I&M	—			(1.3		)	0
OPCo	—			1.2			0
PSO	—			0.8			0
SWEPCo	—			(1.7		)	0

Impact of Cash Flow Hedges on the Registrants’ Balance Sheets

December 31, 2014



	Hedging Assets (a)				Hedging Liabilities (a)				AOCI Gain (Loss) Net of Tax
Company	Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency
	(in millions)
AEP	$	16.8	$	—	$	14.3	$	1.0	$	1.6	$	(19.1	)
APCo	—		—		—		—		—		3.9
I&M	—		—		—		—		—		(14.4		)
OPCo	—		—		—		—		—		5.6
PSO	—		—		—		—		—		5.0
SWEPCo	—		—		—		—		—		(11.1		)



	Expected to be Reclassified to Net Income During the Next Twelve Months
Company	Commodity		Interest Rate and Foreign Currency
	(in millions)
AEP	$	4.3	$	(2.0	)
APCo	—		0.3
I&M	—		(1.1		)
OPCo	—		1.4
PSO	—		0.8
SWEPCo	—		(2.0		)


(a)	Hedging Assets and Hedging Liabilities are included in Risk Management Assets and Liabilities on the balance sheets.



	December 31, 2015
Company	Fair Value of Contracts with Credit Downgrade Triggers		Amount of Collateral the Registrants Would Have Been Required to Post for Derivative Contracts as well as Non- Derivative Contracts Subject to the Same Master Netting Arrangement		Amount of Collateral the Registrants Would Have Been Required to Post Attributable to RTOs and ISOs		Amount of Collateral Attributable to Other Contracts
	(in millions)
AEP	$	—	$	—	$	17.5	$	297.8	(a)
APCo	—		—		4.9		0.1
I&M	—		—		3.3		0.1
OPCo	—		—		—		—
PSO	—		—		—		3.2
SWEPCo	—		—		—		0.1



	December 31, 2014
Company	Fair Value of Contracts with Credit Downgrade Triggers		Amount of Collateral the Registrants Would Have Been Required to Post for Derivative Contracts as well as Non- Derivative Contracts Subject to the Same Master Netting Arrangement		Amount of Collateral the Registrants Would Have Been Required to Post Attributable to RTOs and ISOs		Amount of Collateral Attributable to Other Contracts
	(in millions)
AEP	$	—	$	—	$	36.0	$	280.6	(a)
APCo	—		—		6.3		0.1
I&M	—		—		4.3		—
OPCo	—		—		—		—
PSO	—		—		0.7		4.1
SWEPCo	—		—		0.9		0.2


(a)	Represents the amount of collateral AEP subsidiaries would have been required to post for other significant non-derivative contracts including AGR jointly owned plant contracts and various other commodity related contacts.



	December 31, 2015
Company	Liabilities for Contracts with Cross Default Provisions Prior to Contractual Netting Arrangements		Amount of Cash Collateral Posted		Additional Settlement Liability if Cross Default Provision is Triggered
	(in millions)
AEP	$	300.1	$	0.8	$	240.6
APCo	3.7		—		3.7
I&M	2.5		—		2.5
OPCo	—		—		—
PSO	—		—		—
SWEPCo	—		—		—



	December 31, 2014
Company	Liabilities for Contracts with Cross Default Provisions Prior to Contractual Netting Arrangements		Amount of Cash Collateral Posted		Additional Settlement Liability if Cross Default Provision is Triggered
	(in millions)
AEP	$	235.2	$	8.5	$	178.2
APCo	9.0		—		9.0
I&M	6.1		—		6.1
OPCo	—		—		—
PSO	—		—		—
SWEPCo	—		—		—

Ohio Power Co [Member]

December 31, 2015



Primary Risk Exposure	Unit of Measure	AEP		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	317.8		40.9		22.8		13.3		11.3		14.0
Coal	Tons	4.4		—		1.6		—		—		2.8
Natural Gas	MMBtus	38.2		0.3		0.2		—		0.2		0.2
Heating Oil and Gasoline	Gallons	7.4		1.4		0.7		1.6		0.8		0.9
Interest Rate	USD	$	113.5	$	2.4	$	1.6	$	—	$	—	$	—

Interest Rate and Foreign Currency	USD	$	560.3	$	—	$	—	$	—	$	—	$	—

Notional Volume of Derivative Instruments

December 31, 2014



Primary Risk Exposure	Unit of Measure	AEP		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	333.7		32.5		23.8		20.3		16.8		20.5
Coal	Tons	3.1		0.3		0.5		—		—		1.5
Natural Gas	MMBtus	105.9		0.4		0.3		—		—		—
Heating Oil and Gasoline	Gallons	5.5		1.1		0.5		1.1		0.6		0.7
Interest Rate	USD	$	152.0	$	5.1	$	3.5	$	—	$	—	$	—

Interest Rate and Foreign Currency	USD	$	815.2	$	—	$	—	$	—	$	—	$	—



	December 31,
	2015				2014
Company	Cash Collateral Received Netted Against Risk Management Assets		Cash Collateral Paid Netted Against Risk Management Liabilities		Cash Collateral Received Netted Against Risk Management Assets		Cash Collateral Paid Netted Against Risk Management Liabilities
	(in millions)
AEP	$	5.8	$	44.4	$	3.5	$	35.2
APCo	—		3.1		0.1		0.1
I&M	—		0.6		0.2		—
OPCo	—		0.5		—		0.1
PSO	—		0.3		—		0.1
SWEPCo	—		0.3		—		0.1

Amount of Gain (Loss) Recognized on Risk Management Contracts

OPCo

Fair Value of Derivative Instruments

December 31, 2015



	Risk Management Contracts		Hedging Contracts				Gross Amounts of Risk Management Assets/ Liabilities Recognized		Gross Amounts Offset in the Statement of Financial Position (b)			Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)		Commodity (a)		Interest Rate and Foreign Currency (a)
	(in millions)
Current Risk Management Assets	$	—	$	—	$	—	$	—	$	—		$	—
Long-term Risk Management Assets	19.2		—		—		19.2		—			19.2
Total Assets	19.2		—		—		19.2		—			19.2

Current Risk Management Liabilities	4.1		—		—		4.1		(0.5		)	3.6
Long-term Risk Management Liabilities	—		—		—		—		—			—
Total Liabilities	4.1		—		—		4.1		(0.5		)	3.6

Total MTM Derivative Contract Net Assets (Liabilities)	$	15.1	$	—	$	—	$	15.1	$	0.5		$	15.6

OPCo

Fair Value of Derivative Instruments

December 31, 2014



	Risk Management Contracts		Hedging Contracts				Gross Amounts of Risk Management Assets/ Liabilities Recognized		Gross Amounts Offset in the Statement of Financial Position (b)			Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)		Commodity (a)		Interest Rate and Foreign Currency (a)
	(in millions)
Current Risk Management Assets	$	7.2	$	—	$	—	$	7.2	$	—		$	7.2
Long-term Risk Management Assets	45.1		—		—		45.1		—			45.1
Total Assets	52.3		—		—		52.3		—			52.3

Current Risk Management Liabilities	2.0		—		—		2.0		(0.1		)	1.9
Long-term Risk Management Liabilities	3.0		—		—		3.0		—			3.0
Total Liabilities	5.0		—		—		5.0		(0.1		)	4.9

Total MTM Derivative Contract Net Assets (Liabilities)	$	47.3	$	—	$	—	$	47.3	$	0.1		$	47.4


(a)	Derivative instruments within these categories are reported gross. These instruments are subject to master netting agreements and are presented on the balance sheets on a net basis in accordance with the accounting guidance for “Derivatives and Hedging.”


(b)	Amounts include counterparty netting of risk management and hedging contracts and associated cash collateral in accordance with the accounting guidance for “Derivatives and Hedging.”


(c)	There are no derivative contracts subject to a master netting arrangement or similar agreement which are not offset in the statement of financial position.

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2015



Location of Gain (Loss)	AEP			APCo			I&M			OPCo			PSO			SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	6.7		$	—		$	—		$	—		$	—		$	—
Transmission and Distribution Utilities Revenues	(4.3		)	—			—			—			—			—
Generation & Marketing Revenues	54.9			—			—			—			—			—
Electric Generation, Transmission and Distribution Revenues	—			1.1			3.3			(4.3		)	—			—
Sales to AEP Affiliates	—			2.4			8.2			—			—			—
Purchased Electricity for Resale	6.4			2.0			0.4			—			—			—
Other Operation Expense	(3.3		)	(0.4		)	(0.4		)	(0.6		)	(0.4		)	(0.5		)
Maintenance Expense	(3.3		)	(0.7		)	(0.4		)	(0.5		)	(0.4		)	(0.4		)
Regulatory Assets (a)	(0.9		)	3.4			(2.7		)	—			0.6			(4.3		)
Regulatory Liabilities (a)	30.2			28.7			7.5			(24.7		)	4.4			15.1
Total Gain (Loss) on Risk Management Contracts	$	86.4		$	36.5		$	15.9		$	(30.1	)	$	4.2		$	9.9

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2014



Location of Gain (Loss)	AEP			APCo			I&M			OPCo		PSO			SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	35.4		$	—		$	—		$	—	$	—		$	—
Generation & Marketing Revenues	52.5			—			—			—		—			—
Electric Generation, Transmission and Distribution Revenues	—			8.7			13.2			—		0.2			—
Sales to AEP Affiliates	—			—			(0.9		)	—		0.9			—
Regulatory Assets (a)	(11.4		)	(4.1		)	(0.5		)	—		(1.0		)	(1.1		)
Regulatory Liabilities (a)	193.2			49.6			37.4			86.0		0.3			16.9
Total Gain on Risk Management Contracts	$	269.7		$	54.2		$	49.2		$	86.0	$	0.4		$	15.8

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2013



Location of Gain (Loss)	AEP			APCo			I&M			OPCo			PSO		SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	15.1		$	—		$	—		$	—		$	—	$	—
Generation & Marketing Revenues	49.2			—			—			—			—		—
Electric Generation, Transmission and Distribution Revenues	—			2.0			10.6			4.9			0.4		0.6
Regulatory Assets (a)	(2.4		)	—			—			(5.8		)	2.9		0.4
Regulatory Liabilities (a)	(5.0		)	(0.3		)	(9.1		)	2.9			1.0		1.5
Total Gain on Risk Management Contracts	$	56.9		$	1.7		$	1.5		$	2.0		$	4.3	$	2.5


(a)	Represents realized and unrealized gains and losses subject to regulatory accounting treatment recorded as either current or noncurrent on the balance sheets.

Collateral Required Under Various Triggering Events

Impact of Cash Flow Hedges on the Registrants’ Balance Sheets

December 31, 2015



	Hedging Assets (a)				Hedging Liabilities (a)				AOCI Gain (Loss) Net of Tax
Company	Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency		Commodity			Interest Rate and Foreign Currency
	(in millions)
AEP	$	17.6	$	—	$	26.1	$	0.4	$	(5.2	)	$	(17.2	)
APCo	—		—		—		—		—			3.6
I&M	—		—		—		—		—			(13.3		)
OPCo	—		—		—		—		—			4.3
PSO	—		—		—		—		—			4.2
SWEPCo	—		—		—		—		—			(9.1		)



	Expected to be Reclassified to Net Income During the Next Twelve Months
Company	Commodity			Interest Rate and Foreign Currency			Maximum Term for Exposure to Variability of Future Cash Flows
	(in millions)						(in months)
AEP	$	(0.4	)	$	(1.5	)	144
APCo	—			0.7			0
I&M	—			(1.3		)	0
OPCo	—			1.2			0
PSO	—			0.8			0
SWEPCo	—			(1.7		)	0

Impact of Cash Flow Hedges on the Registrants’ Balance Sheets

December 31, 2014



	Hedging Assets (a)				Hedging Liabilities (a)				AOCI Gain (Loss) Net of Tax
Company	Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency
	(in millions)
AEP	$	16.8	$	—	$	14.3	$	1.0	$	1.6	$	(19.1	)
APCo	—		—		—		—		—		3.9
I&M	—		—		—		—		—		(14.4		)
OPCo	—		—		—		—		—		5.6
PSO	—		—		—		—		—		5.0
SWEPCo	—		—		—		—		—		(11.1		)



	Expected to be Reclassified to Net Income During the Next Twelve Months
Company	Commodity		Interest Rate and Foreign Currency
	(in millions)
AEP	$	4.3	$	(2.0	)
APCo	—		0.3
I&M	—		(1.1		)
OPCo	—		1.4
PSO	—		0.8
SWEPCo	—		(2.0		)


(a)	Hedging Assets and Hedging Liabilities are included in Risk Management Assets and Liabilities on the balance sheets.



	December 31, 2015
Company	Fair Value of Contracts with Credit Downgrade Triggers		Amount of Collateral the Registrants Would Have Been Required to Post for Derivative Contracts as well as Non- Derivative Contracts Subject to the Same Master Netting Arrangement		Amount of Collateral the Registrants Would Have Been Required to Post Attributable to RTOs and ISOs		Amount of Collateral Attributable to Other Contracts
	(in millions)
AEP	$	—	$	—	$	17.5	$	297.8	(a)
APCo	—		—		4.9		0.1
I&M	—		—		3.3		0.1
OPCo	—		—		—		—
PSO	—		—		—		3.2
SWEPCo	—		—		—		0.1



	December 31, 2014
Company	Fair Value of Contracts with Credit Downgrade Triggers		Amount of Collateral the Registrants Would Have Been Required to Post for Derivative Contracts as well as Non- Derivative Contracts Subject to the Same Master Netting Arrangement		Amount of Collateral the Registrants Would Have Been Required to Post Attributable to RTOs and ISOs		Amount of Collateral Attributable to Other Contracts
	(in millions)
AEP	$	—	$	—	$	36.0	$	280.6	(a)
APCo	—		—		6.3		0.1
I&M	—		—		4.3		—
OPCo	—		—		—		—
PSO	—		—		0.7		4.1
SWEPCo	—		—		0.9		0.2


(a)	Represents the amount of collateral AEP subsidiaries would have been required to post for other significant non-derivative contracts including AGR jointly owned plant contracts and various other commodity related contacts.

Public Service Co Of Oklahoma [Member]



	December 31, 2015
Company	Liabilities for Contracts with Cross Default Provisions Prior to Contractual Netting Arrangements		Amount of Cash Collateral Posted		Additional Settlement Liability if Cross Default Provision is Triggered
	(in millions)
AEP	$	300.1	$	0.8	$	240.6
APCo	3.7		—		3.7
I&M	2.5		—		2.5
OPCo	—		—		—
PSO	—		—		—
SWEPCo	—		—		—



	December 31, 2014
Company	Liabilities for Contracts with Cross Default Provisions Prior to Contractual Netting Arrangements		Amount of Cash Collateral Posted		Additional Settlement Liability if Cross Default Provision is Triggered
	(in millions)
AEP	$	235.2	$	8.5	$	178.2
APCo	9.0		—		9.0
I&M	6.1		—		6.1
OPCo	—		—		—
PSO	—		—		—
SWEPCo	—		—		—

December 31, 2015



Primary Risk Exposure	Unit of Measure	AEP		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	317.8		40.9		22.8		13.3		11.3		14.0
Coal	Tons	4.4		—		1.6		—		—		2.8
Natural Gas	MMBtus	38.2		0.3		0.2		—		0.2		0.2
Heating Oil and Gasoline	Gallons	7.4		1.4		0.7		1.6		0.8		0.9
Interest Rate	USD	$	113.5	$	2.4	$	1.6	$	—	$	—	$	—

Interest Rate and Foreign Currency	USD	$	560.3	$	—	$	—	$	—	$	—	$	—

Notional Volume of Derivative Instruments

December 31, 2014



Primary Risk Exposure	Unit of Measure	AEP		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	333.7		32.5		23.8		20.3		16.8		20.5
Coal	Tons	3.1		0.3		0.5		—		—		1.5
Natural Gas	MMBtus	105.9		0.4		0.3		—		—		—
Heating Oil and Gasoline	Gallons	5.5		1.1		0.5		1.1		0.6		0.7
Interest Rate	USD	$	152.0	$	5.1	$	3.5	$	—	$	—	$	—

Interest Rate and Foreign Currency	USD	$	815.2	$	—	$	—	$	—	$	—	$	—



	December 31,
	2015				2014
Company	Cash Collateral Received Netted Against Risk Management Assets		Cash Collateral Paid Netted Against Risk Management Liabilities		Cash Collateral Received Netted Against Risk Management Assets		Cash Collateral Paid Netted Against Risk Management Liabilities
	(in millions)
AEP	$	5.8	$	44.4	$	3.5	$	35.2
APCo	—		3.1		0.1		0.1
I&M	—		0.6		0.2		—
OPCo	—		0.5		—		0.1
PSO	—		0.3		—		0.1
SWEPCo	—		0.3		—		0.1

Amount of Gain (Loss) Recognized on Risk Management Contracts

PSO

Fair Value of Derivative Instruments

December 31, 2015



	Risk Management Contracts		Hedging Contracts				Gross Amounts of Risk Management Assets/ Liabilities Recognized		Gross Amounts Offset in the Statement of Financial Position (b)			Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)		Commodity (a)		Interest Rate and Foreign Currency (a)
	(in millions)
Current Risk Management Assets	$	0.6	$	—	$	—	$	0.6	$	—		$	0.6
Long-term Risk Management Assets	—		—		—		—		—			—
Total Assets	0.6		—		—		0.6		—			0.6

Current Risk Management Liabilities	0.5		—		—		0.5		(0.3		)	0.2
Long-term Risk Management Liabilities	—		—		—		—		—			—
Total Liabilities	0.5		—		—		0.5		(0.3		)	0.2

Total MTM Derivative Contract Net Assets (Liabilities)	$	0.1	$	—	$	—	$	0.1	$	0.3		$	0.4

PSO

Fair Value of Derivative Instruments

December 31, 2014



	Risk Management Contracts			Hedging Contracts				Gross Amounts of Risk Management Assets/ Liabilities Recognized			Gross Amounts Offset in the Statement of Financial Position (b)			Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)			Commodity (a)		Interest Rate and Foreign Currency (a)
	(in millions)
Current Risk Management Assets	$	0.4		$	—	$	—	$	0.4		$	(0.4	)	$	—
Long-term Risk Management Assets	—			—		—		—			—			—
Total Assets	0.4			—		—		0.4			(0.4		)	—

Current Risk Management Liabilities	1.3			—		—		1.3			(0.4		)	0.9
Long-term Risk Management Liabilities	—			—		—		—			—			—
Total Liabilities	1.3			—		—		1.3			(0.4		)	0.9

Total MTM Derivative Contract Net Assets (Liabilities)	$	(0.9	)	$	—	$	—	$	(0.9	)	$	—		$	(0.9	)


(a)	Derivative instruments within these categories are reported gross. These instruments are subject to master netting agreements and are presented on the balance sheets on a net basis in accordance with the accounting guidance for “Derivatives and Hedging.”


(b)	Amounts include counterparty netting of risk management and hedging contracts and associated cash collateral in accordance with the accounting guidance for “Derivatives and Hedging.”


(c)	There are no derivative contracts subject to a master netting arrangement or similar agreement which are not offset in the statement of financial position.

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2015



Location of Gain (Loss)	AEP			APCo			I&M			OPCo			PSO			SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	6.7		$	—		$	—		$	—		$	—		$	—
Transmission and Distribution Utilities Revenues	(4.3		)	—			—			—			—			—
Generation & Marketing Revenues	54.9			—			—			—			—			—
Electric Generation, Transmission and Distribution Revenues	—			1.1			3.3			(4.3		)	—			—
Sales to AEP Affiliates	—			2.4			8.2			—			—			—
Purchased Electricity for Resale	6.4			2.0			0.4			—			—			—
Other Operation Expense	(3.3		)	(0.4		)	(0.4		)	(0.6		)	(0.4		)	(0.5		)
Maintenance Expense	(3.3		)	(0.7		)	(0.4		)	(0.5		)	(0.4		)	(0.4		)
Regulatory Assets (a)	(0.9		)	3.4			(2.7		)	—			0.6			(4.3		)
Regulatory Liabilities (a)	30.2			28.7			7.5			(24.7		)	4.4			15.1
Total Gain (Loss) on Risk Management Contracts	$	86.4		$	36.5		$	15.9		$	(30.1	)	$	4.2		$	9.9

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2014



Location of Gain (Loss)	AEP			APCo			I&M			OPCo		PSO			SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	35.4		$	—		$	—		$	—	$	—		$	—
Generation & Marketing Revenues	52.5			—			—			—		—			—
Electric Generation, Transmission and Distribution Revenues	—			8.7			13.2			—		0.2			—
Sales to AEP Affiliates	—			—			(0.9		)	—		0.9			—
Regulatory Assets (a)	(11.4		)	(4.1		)	(0.5		)	—		(1.0		)	(1.1		)
Regulatory Liabilities (a)	193.2			49.6			37.4			86.0		0.3			16.9
Total Gain on Risk Management Contracts	$	269.7		$	54.2		$	49.2		$	86.0	$	0.4		$	15.8

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2013



Location of Gain (Loss)	AEP			APCo			I&M			OPCo			PSO		SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	15.1		$	—		$	—		$	—		$	—	$	—
Generation & Marketing Revenues	49.2			—			—			—			—		—
Electric Generation, Transmission and Distribution Revenues	—			2.0			10.6			4.9			0.4		0.6
Regulatory Assets (a)	(2.4		)	—			—			(5.8		)	2.9		0.4
Regulatory Liabilities (a)	(5.0		)	(0.3		)	(9.1		)	2.9			1.0		1.5
Total Gain on Risk Management Contracts	$	56.9		$	1.7		$	1.5		$	2.0		$	4.3	$	2.5


(a)	Represents realized and unrealized gains and losses subject to regulatory accounting treatment recorded as either current or noncurrent on the balance sheets.

Collateral Required Under Various Triggering Events

Impact of Cash Flow Hedges on the Registrants’ Balance Sheets

December 31, 2015



	Hedging Assets (a)				Hedging Liabilities (a)				AOCI Gain (Loss) Net of Tax
Company	Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency		Commodity			Interest Rate and Foreign Currency
	(in millions)
AEP	$	17.6	$	—	$	26.1	$	0.4	$	(5.2	)	$	(17.2	)
APCo	—		—		—		—		—			3.6
I&M	—		—		—		—		—			(13.3		)
OPCo	—		—		—		—		—			4.3
PSO	—		—		—		—		—			4.2
SWEPCo	—		—		—		—		—			(9.1		)



	Expected to be Reclassified to Net Income During the Next Twelve Months
Company	Commodity			Interest Rate and Foreign Currency			Maximum Term for Exposure to Variability of Future Cash Flows
	(in millions)						(in months)
AEP	$	(0.4	)	$	(1.5	)	144
APCo	—			0.7			0
I&M	—			(1.3		)	0
OPCo	—			1.2			0
PSO	—			0.8			0
SWEPCo	—			(1.7		)	0

Impact of Cash Flow Hedges on the Registrants’ Balance Sheets

December 31, 2014



	Hedging Assets (a)				Hedging Liabilities (a)				AOCI Gain (Loss) Net of Tax
Company	Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency
	(in millions)
AEP	$	16.8	$	—	$	14.3	$	1.0	$	1.6	$	(19.1	)
APCo	—		—		—		—		—		3.9
I&M	—		—		—		—		—		(14.4		)
OPCo	—		—		—		—		—		5.6
PSO	—		—		—		—		—		5.0
SWEPCo	—		—		—		—		—		(11.1		)



	Expected to be Reclassified to Net Income During the Next Twelve Months
Company	Commodity		Interest Rate and Foreign Currency
	(in millions)
AEP	$	4.3	$	(2.0	)
APCo	—		0.3
I&M	—		(1.1		)
OPCo	—		1.4
PSO	—		0.8
SWEPCo	—		(2.0		)


(a)	Hedging Assets and Hedging Liabilities are included in Risk Management Assets and Liabilities on the balance sheets.



	December 31, 2015
Company	Fair Value of Contracts with Credit Downgrade Triggers		Amount of Collateral the Registrants Would Have Been Required to Post for Derivative Contracts as well as Non- Derivative Contracts Subject to the Same Master Netting Arrangement		Amount of Collateral the Registrants Would Have Been Required to Post Attributable to RTOs and ISOs		Amount of Collateral Attributable to Other Contracts
	(in millions)
AEP	$	—	$	—	$	17.5	$	297.8	(a)
APCo	—		—		4.9		0.1
I&M	—		—		3.3		0.1
OPCo	—		—		—		—
PSO	—		—		—		3.2
SWEPCo	—		—		—		0.1



	December 31, 2014
Company	Fair Value of Contracts with Credit Downgrade Triggers		Amount of Collateral the Registrants Would Have Been Required to Post for Derivative Contracts as well as Non- Derivative Contracts Subject to the Same Master Netting Arrangement		Amount of Collateral the Registrants Would Have Been Required to Post Attributable to RTOs and ISOs		Amount of Collateral Attributable to Other Contracts
	(in millions)
AEP	$	—	$	—	$	36.0	$	280.6	(a)
APCo	—		—		6.3		0.1
I&M	—		—		4.3		—
OPCo	—		—		—		—
PSO	—		—		0.7		4.1
SWEPCo	—		—		0.9		0.2


(a)	Represents the amount of collateral AEP subsidiaries would have been required to post for other significant non-derivative contracts including AGR jointly owned plant contracts and various other commodity related contacts.

Southwestern Electric Power Co [Member]



	December 31, 2015
Company	Liabilities for Contracts with Cross Default Provisions Prior to Contractual Netting Arrangements		Amount of Cash Collateral Posted		Additional Settlement Liability if Cross Default Provision is Triggered
	(in millions)
AEP	$	300.1	$	0.8	$	240.6
APCo	3.7		—		3.7
I&M	2.5		—		2.5
OPCo	—		—		—
PSO	—		—		—
SWEPCo	—		—		—



	December 31, 2014
Company	Liabilities for Contracts with Cross Default Provisions Prior to Contractual Netting Arrangements		Amount of Cash Collateral Posted		Additional Settlement Liability if Cross Default Provision is Triggered
	(in millions)
AEP	$	235.2	$	8.5	$	178.2
APCo	9.0		—		9.0
I&M	6.1		—		6.1
OPCo	—		—		—
PSO	—		—		—
SWEPCo	—		—		—

December 31, 2015



Primary Risk Exposure	Unit of Measure	AEP		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	317.8		40.9		22.8		13.3		11.3		14.0
Coal	Tons	4.4		—		1.6		—		—		2.8
Natural Gas	MMBtus	38.2		0.3		0.2		—		0.2		0.2
Heating Oil and Gasoline	Gallons	7.4		1.4		0.7		1.6		0.8		0.9
Interest Rate	USD	$	113.5	$	2.4	$	1.6	$	—	$	—	$	—

Interest Rate and Foreign Currency	USD	$	560.3	$	—	$	—	$	—	$	—	$	—

Notional Volume of Derivative Instruments

December 31, 2014



Primary Risk Exposure	Unit of Measure	AEP		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	333.7		32.5		23.8		20.3		16.8		20.5
Coal	Tons	3.1		0.3		0.5		—		—		1.5
Natural Gas	MMBtus	105.9		0.4		0.3		—		—		—
Heating Oil and Gasoline	Gallons	5.5		1.1		0.5		1.1		0.6		0.7
Interest Rate	USD	$	152.0	$	5.1	$	3.5	$	—	$	—	$	—

Interest Rate and Foreign Currency	USD	$	815.2	$	—	$	—	$	—	$	—	$	—



	December 31,
	2015				2014
Company	Cash Collateral Received Netted Against Risk Management Assets		Cash Collateral Paid Netted Against Risk Management Liabilities		Cash Collateral Received Netted Against Risk Management Assets		Cash Collateral Paid Netted Against Risk Management Liabilities
	(in millions)
AEP	$	5.8	$	44.4	$	3.5	$	35.2
APCo	—		3.1		0.1		0.1
I&M	—		0.6		0.2		—
OPCo	—		0.5		—		0.1
PSO	—		0.3		—		0.1
SWEPCo	—		0.3		—		0.1

Amount of Gain (Loss) Recognized on Risk Management Contracts

SWEPCo

Fair Value of Derivative Instruments

December 31, 2015



	Risk Management Contracts			Hedging Contracts				Gross Amounts of Risk Management Assets/ Liabilities Recognized			Gross Amounts Offset in the Statement of Financial Position (b)			Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)			Commodity (a)		Interest Rate and Foreign Currency (a)
	(in millions)
Current Risk Management Assets	$	0.8		$	—	$	—	$	0.8		$	—		$	0.8
Long-term Risk Management Assets	—			—		—		—			—			—
Total Assets	0.8			—		—		0.8			—			0.8

Current Risk Management Liabilities	3.4			—		—		3.4			(0.3		)	3.1
Long-term Risk Management Liabilities	2.1			—		—		2.1			—			2.1
Total Liabilities	5.5			—		—		5.5			(0.3		)	5.2

Total MTM Derivative Contract Net Assets (Liabilities)	$	(4.7	)	$	—	$	—	$	(4.7	)	$	0.3		$	(4.4	)

SWEPCo

Fair Value of Derivative Instruments

December 31, 2014



	Risk Management Contracts			Hedging Contracts				Gross Amounts of Risk Management Assets/ Liabilities Recognized			Gross Amounts Offset in the Statement of Financial Position (b)			Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)			Commodity (a)		Interest Rate and Foreign Currency (a)
	(in millions)
Current Risk Management Assets	$	0.5		$	—	$	—	$	0.5		$	(0.5	)	$	—
Long-term Risk Management Assets	—			—		—		—			—			—
Total Assets	0.5			—		—		0.5			(0.5		)	—

Current Risk Management Liabilities	1.6			—		—		1.6			(0.5		)	1.1
Long-term Risk Management Liabilities	—			—		—		—			—			—
Total Liabilities	1.6			—		—		1.6			(0.5		)	1.1

Total MTM Derivative Contract Net Assets (Liabilities)	$	(1.1	)	$	—	$	—	$	(1.1	)	$	—		$	(1.1	)


(a)	Derivative instruments within these categories are reported gross. These instruments are subject to master netting agreements and are presented on the balance sheets on a net basis in accordance with the accounting guidance for “Derivatives and Hedging.”


(b)	Amounts include counterparty netting of risk management and hedging contracts and associated cash collateral in accordance with the accounting guidance for “Derivatives and Hedging.”


(c)	There are no derivative contracts subject to a master netting arrangement or similar agreement which are not offset in the statement of financial position.

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2015



Location of Gain (Loss)	AEP			APCo			I&M			OPCo			PSO			SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	6.7		$	—		$	—		$	—		$	—		$	—
Transmission and Distribution Utilities Revenues	(4.3		)	—			—			—			—			—
Generation & Marketing Revenues	54.9			—			—			—			—			—
Electric Generation, Transmission and Distribution Revenues	—			1.1			3.3			(4.3		)	—			—
Sales to AEP Affiliates	—			2.4			8.2			—			—			—
Purchased Electricity for Resale	6.4			2.0			0.4			—			—			—
Other Operation Expense	(3.3		)	(0.4		)	(0.4		)	(0.6		)	(0.4		)	(0.5		)
Maintenance Expense	(3.3		)	(0.7		)	(0.4		)	(0.5		)	(0.4		)	(0.4		)
Regulatory Assets (a)	(0.9		)	3.4			(2.7		)	—			0.6			(4.3		)
Regulatory Liabilities (a)	30.2			28.7			7.5			(24.7		)	4.4			15.1
Total Gain (Loss) on Risk Management Contracts	$	86.4		$	36.5		$	15.9		$	(30.1	)	$	4.2		$	9.9

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2014



Location of Gain (Loss)	AEP			APCo			I&M			OPCo		PSO			SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	35.4		$	—		$	—		$	—	$	—		$	—
Generation & Marketing Revenues	52.5			—			—			—		—			—
Electric Generation, Transmission and Distribution Revenues	—			8.7			13.2			—		0.2			—
Sales to AEP Affiliates	—			—			(0.9		)	—		0.9			—
Regulatory Assets (a)	(11.4		)	(4.1		)	(0.5		)	—		(1.0		)	(1.1		)
Regulatory Liabilities (a)	193.2			49.6			37.4			86.0		0.3			16.9
Total Gain on Risk Management Contracts	$	269.7		$	54.2		$	49.2		$	86.0	$	0.4		$	15.8

Amount of Gain (Loss) Recognized on

Risk Management Contracts

Year Ended December 31, 2013



Location of Gain (Loss)	AEP			APCo			I&M			OPCo			PSO		SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	15.1		$	—		$	—		$	—		$	—	$	—
Generation & Marketing Revenues	49.2			—			—			—			—		—
Electric Generation, Transmission and Distribution Revenues	—			2.0			10.6			4.9			0.4		0.6
Regulatory Assets (a)	(2.4		)	—			—			(5.8		)	2.9		0.4
Regulatory Liabilities (a)	(5.0		)	(0.3		)	(9.1		)	2.9			1.0		1.5
Total Gain on Risk Management Contracts	$	56.9		$	1.7		$	1.5		$	2.0		$	4.3	$	2.5


(a)	Represents realized and unrealized gains and losses subject to regulatory accounting treatment recorded as either current or noncurrent on the balance sheets.

Collateral Required Under Various Triggering Events

Impact of Cash Flow Hedges on the Registrants’ Balance Sheets

December 31, 2015



	Hedging Assets (a)				Hedging Liabilities (a)				AOCI Gain (Loss) Net of Tax
Company	Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency		Commodity			Interest Rate and Foreign Currency
	(in millions)
AEP	$	17.6	$	—	$	26.1	$	0.4	$	(5.2	)	$	(17.2	)
APCo	—		—		—		—		—			3.6
I&M	—		—		—		—		—			(13.3		)
OPCo	—		—		—		—		—			4.3
PSO	—		—		—		—		—			4.2
SWEPCo	—		—		—		—		—			(9.1		)



	Expected to be Reclassified to Net Income During the Next Twelve Months
Company	Commodity			Interest Rate and Foreign Currency			Maximum Term for Exposure to Variability of Future Cash Flows
	(in millions)						(in months)
AEP	$	(0.4	)	$	(1.5	)	144
APCo	—			0.7			0
I&M	—			(1.3		)	0
OPCo	—			1.2			0
PSO	—			0.8			0
SWEPCo	—			(1.7		)	0

Impact of Cash Flow Hedges on the Registrants’ Balance Sheets

December 31, 2014



	Hedging Assets (a)				Hedging Liabilities (a)				AOCI Gain (Loss) Net of Tax
Company	Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency		Commodity		Interest Rate and Foreign Currency
	(in millions)
AEP	$	16.8	$	—	$	14.3	$	1.0	$	1.6	$	(19.1	)
APCo	—		—		—		—		—		3.9
I&M	—		—		—		—		—		(14.4		)
OPCo	—		—		—		—		—		5.6
PSO	—		—		—		—		—		5.0
SWEPCo	—		—		—		—		—		(11.1		)



	Expected to be Reclassified to Net Income During the Next Twelve Months
Company	Commodity		Interest Rate and Foreign Currency
	(in millions)
AEP	$	4.3	$	(2.0	)
APCo	—		0.3
I&M	—		(1.1		)
OPCo	—		1.4
PSO	—		0.8
SWEPCo	—		(2.0		)


(a)	Hedging Assets and Hedging Liabilities are included in Risk Management Assets and Liabilities on the balance sheets.



	December 31, 2015
Company	Fair Value of Contracts with Credit Downgrade Triggers		Amount of Collateral the Registrants Would Have Been Required to Post for Derivative Contracts as well as Non- Derivative Contracts Subject to the Same Master Netting Arrangement		Amount of Collateral the Registrants Would Have Been Required to Post Attributable to RTOs and ISOs		Amount of Collateral Attributable to Other Contracts
	(in millions)
AEP	$	—	$	—	$	17.5	$	297.8	(a)
APCo	—		—		4.9		0.1
I&M	—		—		3.3		0.1
OPCo	—		—		—		—
PSO	—		—		—		3.2
SWEPCo	—		—		—		0.1



	December 31, 2014
Company	Fair Value of Contracts with Credit Downgrade Triggers		Amount of Collateral the Registrants Would Have Been Required to Post for Derivative Contracts as well as Non- Derivative Contracts Subject to the Same Master Netting Arrangement		Amount of Collateral the Registrants Would Have Been Required to Post Attributable to RTOs and ISOs		Amount of Collateral Attributable to Other Contracts
	(in millions)
AEP	$	—	$	—	$	36.0	$	280.6	(a)
APCo	—		—		6.3		0.1
I&M	—		—		4.3		—
OPCo	—		—		—		—
PSO	—		—		0.7		4.1
SWEPCo	—		—		0.9		0.2


(a)	Represents the amount of collateral AEP subsidiaries would have been required to post for other significant non-derivative contracts including AGR jointly owned plant contracts and various other commodity related contacts.