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New York
Mercantile Exchange

NYMEX/COMEX. Tive divisions, one marketplace

March 10, 2005

VIA E-MAIL

Office of the Secretariat

Commodity Futures Trading Commission
Three Lafayette Centre

1155 21st Street, N.W.

Washington, D.C. 20581

Re: Rule Certifications. New York Mercantile Exchange, Inc. Submission #06.39:
Changes in Listed Trading Hours for NYMEX ACCESS® and NYMEX
ClearPort® Trading electronic trading systems and Various Rule Changes
Pertaining to NYMEX miNY(sm) Futures Contracts

Dear CFTC Commissioners:

The New York Mercantile Exchange, Inc. (“Exchange”) is notifying the Commodity Futures
Trading Commission (“Commission”) that is self-certifying the changes included in this letter. Pursuant to
Section 5c(c) of the Commodity Exchange Act (“Act”) and CFTC Rule 40.6, the Exchange hereby certifies
that all of the attached rule changes and transition information comply with the Act, including regulations
under the Act; these changes will be made effective on November 18, 2005.

Extension of Trading Hours for NYMEX ACCESS® and NYMEX ClearPort® Trading

Commencing with trade date Monday, March 13, 2006, the Exchange will extend the trading hours for NYMEX
ACCESS® and NYMEX ClearPort® Trading.

NYMEX ACCESS®

Under the extended trading hours, all NYMEX products traded on ACCESS® will now close at 9:50 AM. Previously,
the NYMEX ACCESS® market closed at 9:30 AM

NYMEX ClearPort® Trading

Under the extended trading hours, the NYMEX miNYTM Crude, miNYTM Heating Oil and miNYTM Unleaded Gasoline
will now continue to trade without interruption from 3:15 PM until 2:30 PM, Previously, the Exchange halted these
Products from 9:30 AM to 10:05 AM.

The revised trading hours for NYMEX ClearPort® Trading are as follows:
© Sunday through Monday — 7:00 PM to 2:30 PM

Monday through Friday — 3:15 PM to 2:30 PM

All times stated above are in Eastern Standard Time.

New York Mercantile Exchange, Inc. ‘The New York Mercantile Exchange, Inc., is composed of two divisions, The

World Financial Center NYMEX Division offers trading in crude oil, heating oil, unleaded gasoline,
One North End Avenue natural gas, electricity, propane, platinum and palladium. The COMEX Division
New York, NY 10282-1101 offers trading in gold, silver, copper, aluminum, and the FTSE Ewrotop 100° index,

(212) 299-2000 and the FTSE Eurotop 300 index.


CFTC Commissioners
March 10, 2006
Page 2

Amendments to the miNYTM Heating Oil, miNYTM Unleaded Gasoline and miNYTM Natural Gas Contracts

Commencing with the open of business for trade date Monday, March 13, 2006, the Exchange will modify the
NYMEX miNYTM Heating Oil, miNYTM Unleaded Gasoline and miNYTM Natural Gas contracts as follows:

Minimum Tick:

The minimum tick value for NYMEX miNY Heating Oil and mINY Unleaded Gasoline will be modified down to $0.001
($21.00 per tick) from its current level of $0.002 ($42.00 per tick).

Maximum Transaction size for NYMEX miNY Futures contracts:

Product Old New
miNY Natural Gas 100 Contracts. 500 Contracts
miNY Heating Oil 30 Contracts 250 Contracts
MiNY Unleaded Gas 30 Contracts 250 Contracts

Please note that the NYMEXmiNY Crude Oil maximum contract size will remain unchanged at 50 contracts per
order.

Should you have any questions concerning the above, please contact the undersigned at (212)
299-2207.

Very truly yours,

Brian J. Regan
Vice President ghd Counsel!

Att.


CFTC Commissioners
March 10, 2006
Page 2

NOTIFICATION OF AMENDMENTS TO PRICE TICK RULES FOR NYMEX miNY UNLEADED
GASOLINE AND HEATING OIL FUTURES CONTRACTS

(Underlining in bold indicates additions; strike-outs in bold indicates deletions.)

403.05 Prices and Fluctuations

Prices shall be quoted in U.S. dollars and cents per gallon. The minimum price fluctuation shall be $0.002
-1 per gallon ($42 21.00 per Contract tick value). The maximum price fluctuation shall be consistent with
the prevailing price Jimits of the NYMEX New York Harbor Unleaded Gasoline Futures Contract.

404.05 Prices and Fluctuations

Prices shall be quoted in U.S. dollars and cents per gallon. The minimum price fluctuation shall be $0.002
1 per gallon ($42 21.00 per Contract tick value). The maximum price fluctuation shail be consistent with
the prevailing price limits of the NYMEX New York Harbor No. 2 Heating Oil Futures Contract.