ISO New England Calendar-Month LMP Swap Option

Trading Symbol: OE

Trading Unit: One NYMEX Division ISO New England Internal Hub Monthly Peak Location Marginal Pricing Swap Futures monthly contract

The Underlying Symbol: NI

Margin Level: Determined by SPAN® System

Strike Price Intervals: Twenty strike prices in increments of $0.50 (50¢) per megawatt hour above and below the at-the-money strike price, and the next 10 strike prices in increments of $1.00 above the highest and below the lowest existing strike prices for a total of at least 61 strike prices. The at-the-money strike price is nearest to the previous day's close of the underlying futures contract. Strike price boundaries are adjusted according to the futures price movements.

Expiration Date
Trading ends two business days prior to the start of contract month

Exercise of Options
On the close of business on any business day up to and including expiration day.

Minimum Price Fluctuation
$0.01 (1¢) per megawatt hour.

AEP-DAYTON Calendar-Month LMP Swap Option

Trading Symbol: OT

Trading Unit: One NYMEX Division AEP-Dayton Hub Monthly Peak Electricity Futures monthly contract.

The Underlying Symbol: VM

Margin Level: Determined by SPAN® System

Strike Price Intervals: Twenty strike prices in increments of $0.50 (50¢) per megawatt hour above and below the at-the-money strike price, and the next 10 strike prices in increments of $1.00 above the highest and below the lowest existing strike prices for a total of at least 61 strike prices. The at-the-money strike price is nearest to the previous day's close of the underlying futures contract. Strike price boundaries are adjusted according to the futures price movements.

Expiration Date
Trading ends two business days prior to the start of contract month.

Exercise of Options
On the close of business on any business day up to and including expiration day.

Minimum Price Fluctuation
$0.01 (1¢) per megawatt hour.

CINERGY Calendar-Month LMP Swap Option

Trading Symbol: OY

Trading Unit: One NYMEX Division Midwest Independent Transmission System Operator Cinergy Hub Monthly Peak Electricity Futures

The Underlying Symbol: EM

Margin Level: Determined by SPAN® System

Strike Price Intervals: Twenty strike prices in increments of $0.50 (50¢) per megawatt hour above and below the at-the-money strike price, and the next 10 strike prices in increments of $1.00 above the highest and below the lowest existing strike prices for a total of at least 61 strike prices. The at-the-money strike price is nearest to the previous day's close of the underlying futures contract. Strike price boundaries are adjusted according to the futures price movements.

Expiration Date
Trading ends two business days prior to the start of contract month.

Exercise of Options
On the close of business on any business day up to and including expiration day

Minimum Price Fluctuation
$0.01 (1¢) per megawatt hour.

NORTHERN ILLINOIS Calendar-Month LMP Swap Option

Trading Symbol: OU

Trading Unit: One NYMEX Division Northern Illinois Hub Peak Monthly Electricity Futures contract.

The Underlying Symbol: UM

Margin Level: Determined by SPAN® System

Strike Price Intervals: Twenty strike prices in increments of $0.50 (50¢) per megawatt hour above and below the at-the-money strike price, and the next 10 strike prices in increments of $1.00 above the highest and below the lowest existing strike prices for a total of at least 61 strike prices. The at-the-money strike price is nearest to the previous day's close of the underlying futures contract. Strike price boundaries are adjusted according to the futures price movements.

Expiration Date
Trading ends two business days prior to the start of contract month

Exercise of Options
On the close of business on any business day up to and including expiration day

Minimum Price Fluctuation
$0.01 (1¢) per megawatt hour.

Fee Schedule for the all above options contracts:

Floor Trade:

Member $0.40
Member Day Trade $0.15
Non-Member $1.35
Blended $0.75

EOO:

Member $0.40
Non-Member $1.35

Exercise Fee:

House Account: $0.40
Customer Account $0.85

ClearPort® Clearing:

Member: $1.75
Non-Member $2.50