November 2, 2006
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 Certification. NYMEX Submission 06.128: Notification of
Copper Spot Month Position Limit Increase [Rule 104.47(b)], and
Accompanying Amendment to Rule 9.27.

Dear Ms. Jean Webb:

The New York Mercantile Exchange ("NY MEX" or the "Exchange" is notifying the
Commodity Futures Trading Commission (“CFTC” or “Commission”) of the COMEX Division
Copper Futures contract spot month position limit increase to 400 contracts.

In accordance with procedures described in Exchange Rule 104.47(b), the Control
Committee has determined to increase the Copper Futures spot month position limit from its
present level of 250 contracts to 400 contracts effective the close of business Thursday,
November 2, 2006 for trade date Friday, November 3, 2006. Exchange Notice to Members No.
06-575 dated November 2, 2006, to be distributed after the close of the Copper market today, is
attached. Also, Rule 9.27, Expiration and Current Delivery Month Position Limits or Position
Accountability (Appendix A), has been amended accordingly. Pursuant to Section 5e(c) of the
Commodity Exchange Act (“‘Act”) and CFTC Rule 40.6, the Exchange hereby certifies that the
attached notification and rule amendment comply with the Act, including regulations under the
Act.

Should you have any questions conceming the above, please contact Anthony V.
Densieski, Senior Director, Market Surveillance, at (212) 299-2881, Nancy Minett, Vice
President, Compliance, at (212) 299-2940, or the undersigned at (212) 299-2207.

Very truly yours,

Thomas LaSala
Senior Vice President
Compliance and Risk Management
cc: Nancy Minett
Anthony Densieski
Brian Regan


Rule 104.47 - Position Limits

Section (a) is unchanged.

(b) Applicable Limits. The maximum number of futures contracts, options on such futures contracts, or any
combination thereof (collectively referred to as a "position") which any person may own or control is as follows:

Commodity Spot Month Net Limit* Any One Month/All Months Net Futures Equivalent Limit
Gold 3,000 Subject to Position Accountability
Silver 1,500 Subject to Position Accountability
Aluminum 750° Subject to Position Accountability
Copper 3,000°** Subject to Position Accountability

“Effective as of the close of business on the second last business day of the calendar month preceding the delivery
month.

“To the extent that for a period of three consecutive trading days, there is either: (1) a backwardation of price
between the first month and next most active month (first month’s price above nearest active month's price); or (2)
registered stocks which fall below 5,000 contract equivalents, the limits in place for the first month shall be reduced
to 350 contracts at the close of business three trading days later unless decided otherwise by the Control
Committee.

***If at any time registered stocks fall below 20,000 contract equivalents, the limits in place may be reduced below
3,000 contracts at the discretion of the Control Committee at the close of business three trading days later unless
decided otherwise by the Control Committee.

(Remainder of the Rule is unchanged.)

Rule 9.27 —- Appendix A

(Strikethrough in bold indicates deletion; underlining in bold indicates addition.)

Contract Name Rule Commodity | All/Any One Month Expiration Reporting

Chapter Code Accountability Month Level Aggregate | Aggregate
Level Limit Into (1) Into (2)
Rule 9.26 Rule 9.27 Rule 9.34

Metals

‘COMEX Division-
Copper Contract
Rules 114 HG $5,000 250 400 25 HG



Notice No. 06-575

November 2, 2006

TO: All Exchange Members, Member Firms and Clearing Members

FROM: James E. Newsome, President

RE: COMEX Spot Month Copper Position Limit Increase, and Amendment to

NYMEX Rule 9.27, Expiration Month Limit

Based on the current COMEX Copper warehouse stocks and pursuant to Exchange Rule
104.47(b), the Control Committee has decided to increase the Copper Futures spot month
position limit from 250 contracts to 400 contracts, effective the close of business Thursday,
November 2, 2006 for trade date November 3, 2006.

Chapter 9, Appendix A has been amended accordingly, as follows:

(Strikethrough in bold indicates deletion; underlining in bold indicates addition.)

Expiratio
ContractName | Rule | Commodity | All/Any One Month 2 Reporting
Chapter Code Accountability Month Level regate | Aggregate
Level Limit Into (1) Into (2)
Rule 9.26 Rule 9.27 | Rule 9.34
Metals
COMEX
Division- Copper
Contract Rules | 111 HG 5,000 250 400 25 HG

Please contact Martin Jacobs, Senior Director, Applications Development, at (212) 299-2829 if
you have any information services questions. Contract related questions can be directed to
Anthony V. Densieski, Senior Director, Market Surveillance, at (212) 299-2881 or Bonnie H.
Yurga, Director, Market Surveillance, at (212) 299-2879.