The A-Daily Floating Price will be determined for each peak-day-ef each contract
month. The BaehDaily Floating Price will be equal to the arithmetic average of
the MISO Illinois Hub Real Time LMP for all peak hours provided by Midwest
Independent Transmission System Operator, Inc. (MISO), for the contract month
peak-day. For settlement of this contract, the prices provided by MISO will be
considered final on the payment day stated in Rule 776.10 and will not be subject
to any further adjustment.

Minnesota Hub Calendar-Month LMP Swap Contract
Rule 780.02 Daily Floating Price

The A-Daily Floating Price will be determined for each peak-day-ef-each contract
month. The Bach-Daily Floating Price will be equal to the arithmetic average of
the Minnesota Hub Real Time LMP for all peak hours provided by Midwest
Independent Transmission System Operator, Inc. (MISO), for the contract month
peak-day. For settlement of this contract, the prices provided by MISO will be
considered final on the payment day stated in Rule 777.10 and will not be subject
to any further adjustment.


Redundant with Rule 765.08
Rule-765.10—Exehange-Of Futures_For,Or_In_Connection—With Product_And

Cinergy Hub Calendar-Month LMP Swap Contract
Rule 774.02 Floating Price

The A-Daily Floating Price will be determined for each peak-day-efeach contract
month. The Bach-Daily Floating Price will be equal to the arithmetic average of
the Cinergy Hub Real Time LMP for all peak hours provided by Midwest
Independent Transmission System Operator, Inc. (MISO), for the contract month
peak-day. For settlement of this contract, the prices provided by MISO will be
considered final on the payment day stated in Rule 774.10 and will not be subject
to any further adjustment.

Michigan Hub Calendar-Month LMP Swap Contract
Rule 776.02 Daily Floating Price

The A-Daily Floating Price will be determined for each peak-day-ef-each contract
month. The Each-Daily Floating Price will be equal to the arithmetic average of
the Michigan Hub Real Time LMP for all peak hours provided by Midwest
Independent Transmission System Operator, Inc. (MISO), for the contract month
peak-day. For settlement of this contract, the prices provided by MISO will be
considered final on the payment day stated in Rule 775.10 and will not be subject
to any further adjustment.

MISO IIlinois Hub Calendar-Month LMP Swap Contract

Rule 778.02 Daily Floating Price


January 12, 2006

BY EMAIL AND FACSIMILE

Office of the Secretariat

Commodity Futures Trading Commission
Three Lafayette Centre

1155 21st Street, N.W.

Washington, D.C. 20581

NYMEX Submission 06.13
Re: Clarifying Amendments to NYMEX Financially Settled Electricity Futures
Contracts

Dear Ms. Jean Webb:

The New York Mercantile Exchange, Inc. ("NYMEX" or the "Exchange") is notifying
the Commodity Futures Trading Commission (“CFTC” or “Commission”) of the attached
contract amendments. The Board of Directors voted in open session to approve these
amendments. These changes are made at the request of Commission staff to enhance the clarity
of contract language and do not represent any procedural changes. They are proposed to go in
effect immediately upon notification to the Membership.

The following financially settled electricity futures contracts are amended: Northen
Illinois Hub Calendar-Month LMP Swap (PJM Interconnection, LLC) Contract (Rule 762.07);
NYMEX AEP-Dayton Hub Calendar-Month LMP Swap (PJM Interconnection, LLC) Contract
(Rules 765.07, 765.09 & 765.10); Cinergy Hub Calendar-Month LMP Swap Contract (Rule
774.02); Michigan Hub Calendar-Month LMP Swap Contract (Rule 776.02); MISO Illinois Hub
Calendar-Month LMP Swap Contract (Rule 778.02); and Minnesota Hub Calendar-Month LMP
Swap Contract (Rule 780.02).

Pursuant to Section 5c(c) of the Commodity Exchange Act (“Act”) and CFTC Rule 40.6,
the Exchange hereby certifies that this clarification complies with the Act, including regulations
under the Act.

Should you have any questions concerning the above, please contact Jay Gottlieb,
Director, Research, at (212) 299-2607; or the undersigned at (212) 299-2390.

Very truly yours,

Robert A. Levin

Senior Vice President, Research


Attached Rule Amendments
Additions underlined, deletions struckthrough-
Rule 762.07 Final Settlement
Delivery under the NYMEX Northern Illinois Hub Calendar-Month LMP

Swap contract shall be by cash settlement. Cash Settlement will take
place in accordance with the following.

Starting with the close of trading on the peak day prior to the contract
month, the daily flow (equal to 40 MWH) corresponding to the following
peak day is subtracted from the quantity of each contract every business
day until contract termination. The subtracted quantity is cash-settled
based on the Daily Floating Price for the corresponding peak day.

For peak days that are not also business days, subtraction of the daily flow
corresponding to the peak day will take place on the business day
immediately preceding this (these) day(s).

In the event a business day is not also a peak day, no subtraction of a daily
flow will be performed on the business day immediately prior.

Besinni ith th kd jor-to-the-besinni: £ thi tract th.
S P



NYMEX AEP-Dayton Hub Calendar-Month LMP Swap (PJM Interconnection,
LLC) Contract

Rule 765.07

Final Settlement

Delivery under the NYMEX AEP-Dayton Hub Calendar-Month LMP
Swap contract shall be by cash settlement. Cash Settlement will take
place in accordance with the following.

Starting with the close of trading on the peak day prior to the contract
month, the daily flow (equal to 40 MWH) corresponding to the following
peak day is subtracted from the quantity of each contract every business
day until contract termination. The subtracted quantity is cash-settled
based on the Daily Floating Price for the corresponding peak day.

For peak days that are not also business days, subtraction of the daily flow
corresponding to the peak day will take place on the business day
immediately preceding this (these) day(s).

In the event a business day is not also a peak day, no subtraction of a daily
flow will be performed on the business day immediately prior.

Redundant with Rule 765.07
Rule-765.09— Payment Date

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