Notice to Members
Notice No. 316
09/08/2000
Initial Margins for Mid-Columbia River Futures Contract
Effective Date: Friday, September 15, 2000 (close of business)

Futures Contract: Mid-Columbia Futures

Contract Months: All Contracts

NYMEX Division Margins on Mid-Columbia Futures Contracts

Clearing Member (Maintenance Margin): $9,000
Member Customer (Initial Margin): $9,900
Non-Member Customer (Initial Margin): $12,150
Spot Month Assessment: B/$3,000
B/ Effective as of the close of business one day prior to the last regular trading day.

Intra-Commodity Straddle Margin

Clearing Member and Member Customer Maintenance
Group 1: $200
Group 2: $200
Group 3: $100
Group 4: $50
Spot Month Assessment: B/$3000
Group (Tier) 1 ~ 1st Nearby
Group (Tier) 2 ~ 2nd Through 6th Nearby
Group (Tier) 3 ~ 7th Through 12th Nearby
Group (Tier) 4 ~ Greater than 12th Nearby
B/ Effective as of the close of business one day prior to the last regular trading day.

Inter-Commodity Spread Credit

Mid-Columbia/Natural Gas
Ratio is 2:1
Percentage of Initial Margin is 40%

Mid-Columbia/Palo Verde
Ratio is 2:1
Percentage of Initial Margin is 40%

Mid-Columbia/COB
Ratio is 1:1
Percentage of Initial Margin is 40%

Mid-Columbia/Alberta Natural Gas
Ratio is 2:1
Percentage of Initial Margin is 40%
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com