DESCRIPTION: Propane Forward Conway- Williams

Exchange Code:

03

Commodity Code:

HE

Trading Unit:

1 Lot

Contract Size:

42,000 U.S. gallons (1,000 barrels)

Clearing Price Format:

U.S. Dollars and Cents per gallon

Sample price:

Actual = $0.75125 per gallon

7 digit = 0075125

Minimum Price Fluctuation:

$0.00001 = $0.42 per contract

Tick Size:

$0.00001 per gallon

Last Trading Day

Last business day of the month preceding the delivery month.

Delivery Specifications:

F.O.B. at Conway, Williams Storage facility in Conway, Kansas. Product shall conform to industry standards for fungible liquefied propane gas as determined by the Gas Processors Association (GPA-HD-5).

Trading Hours (CT):

7:15 a.m. to 3:15 p.m.

Contract Months:

Monthly beginning with the October 2006 contract month. Contracts will be eligible for clearing through March 2007. CCorp will notify Clearing Participants as it authorizes additional months.

DESCRIPTION: Propane Swap Conway – Williams

Exchange Code:

03

Commodity Code:

HF

Trading Unit:

1 Lot

Contract Size:

42,000 U.S. gallons (1,000 barrels)

Clearing Price Format:

U.S. Dollars and Cents per gallon

Sample Price:

Actual = $0.75125

7 digit = 0075125

Minimum Price Fluctuation:

$0.00001 = $0.42 per contract

Tick Size:

$0.00001 per gallon

Last Trading Day

Last business day of the month preceding the Settlement Month.

Final Settlement/Clearing Corporation

Final Settlement Price for Last Trading Day

Final ChemConnect Swap Settlement Price

Arithmetic average of the daily market values for the underlying product as determined each Business Day during the swap settlement month in accordance with ChemConnect’s policies.

Trading Hours (CT):

7:15 a.m. to 3:15 p.m.

Contract Months:

Monthly beginning with the October 2006 contract month. Contracts will be eligible for clearing through March 2007. CCorp will notify Clearing Participants as it authorizes additional months.

DESCRIPTION: Propane Swap Conway-Williams OPIS Index Settlement

Exchange Code:

03

Commodity Code:

HG

Trading Unit:

1 Lot

Contract Size:

42,000 U.S. gallons (1,000 barrels)

Clearing Price Format:

U.S. Dollars and Cents per gallon

Sample Price:

Actual = $0.75125

7 digit = 0075125

Minimum Price Fluctuation:

$0.00001 = $0.42 per contract

Tick Size:

$0.00001 per gallon

Last Trading Day

Last business day of the month preceding the Settlement Month

Final Settlement/Clearing Corporation

Final Settlement Price for Last Trading Day

Final ChemConnect Swap Settlement Price

Arithmetic average of the daily averages of the high and low prices for “any” Conway In-Well propane as published by the Oil Pricing Information Service (OPIS) in its LP Gas Fax for each business day during the settlement month.

Trading Hours (CT):

7:15 a.m. to 3:15 p.m.

Contract Months:

Monthly beginning with the October 2006 contract month. Contracts will be eligible for clearing through March 2007. CCorp will notify Clearing Participants as it authorizes additional months.

DESCRIPTION: : Ethane Swap Enterprise – OPIS Index Settlement

Exchange Code:

03

Commodity Code:

HK

Trading Unit:

1 Lot

Contract Size:

42,000 U.S. gallons (1,000 barrels)

Clearing Price Format:

U.S. Dollars and Cents per gallon

Sample Price:

Actual = $0.50125

7 digit = 0050125

Minimum Price Fluctuation:

$0.00001 = $0.42 per contract

Tick Size:

$0.00001 per gallon

Last Trading Day

Last business day of the month preceding the Settlement Month

Final Settlement/Clearing Corporation

Final Settlement Price for Last Trading Day

Final ChemConnect Swap Settlement Price

Arithmetic average of the daily averages of the high and low prices for “any” Mt. Belvieu, non-TET ethane as published by the Oil Price Information Service (OPIS) in its LP Gas Fax for each business day during the settlement month.

Trading Hours (CT):

7:15 a.m. to 3:15 p.m.

Contract Months:

Monthly beginning with the October 2006 contract month. Contracts will be eligible for clearing through March 2007. CCorp will notify Clearing Participants as it authorizes additional months.

DESCRIPTION: : : Propane Swap TET – OPIS Index Settlement

Exchange Code:

03

Commodity Code:

HL

Trading Unit:

1 Lot

Contract Size:

42,000 U.S. gallons (1,000 barrels)

Clearing Price Format:

U.S. Dollars and Cents per gallon

Sample Price:

Actual = $0.70125

7 digit = 0070125

Minimum Price Fluctuation:

$0.00001 = $0.42 per contract

Tick Size:

$0.00001 per gallon

Last Trading Day

Last business day of the month preceding the Settlement Month

Final Settlement/Clearing Corporation

Final Settlement Price for Last Trading Day

Final ChemConnect Swap Settlement Price

Arithmetic average of the daily averages of the high and low prices for Mt. Belvieu for “any” TET propane published by the Oil Pricing Information Service (OPIS) in its LP Gas Fax for each business day during the settlement month.

Trading Hours (CT):

7:15 a.m. to 3:15 p.m.

Contract Months:

Monthly out to 24 months.