The new contracts will be listed on ClearPort® Trading and Clearing beginning on Sunday evening, December 7, 2008 (for trade date Monday, December 8, 2008). The first listed month for these contracts will be January 2009. Monthly PJM contracts will list current year plus the next five calendar years. A new calendar year will be added following the termination of trading in the December contract of the current year. The minimum tick size is $0.05.

The chapters setting forth the terms and conditions of the new futures contracts will be available in the Exchange’s online rulebook. Margins, position limits, and fees will be announced in separate notices.

Peak Contract Unit: 80 megawatt hours (5 MW per peak hour). The monthly transaction size is restricted to whole number multiples of the number of peak days in the contract month.

Off-Peak Contract Unit: 5 megawatt hours (5 MW per off-peak hour). The monthly transaction size is restricted to the whole number multiples of the Off-peak hours in the contract month.

Symbols:

• N3 - PJM Northern Illinois Hub Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• L3 - PJM Northern Illinois Off-Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• Y1 - PJM AECO Zone Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• X1 - PJM AECO Zone Off-Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• D7 - PJM AEP Dayton Hub Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• R7 - PJM AEP Dayton Hub Off-Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• S4 - PJM APS Zone Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• W4 - PJM APS Zone Off-Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• E3 - PJM BGE Zone Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• R3 - PJM BGE Zone Off-Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• L8 - PJM DPL Zone Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• E8 - PJM DPL Zone Off-Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• E9 - PJM Eastern Hub Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• F4 - PJM Eastern Hub Off-Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• J2 - PJM JCPL Zone Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• F2 - PJM JCPL Zone Off-Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• R8 - PJM PEPCO Zone Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• Q8 - PJM PEPCO Zone Off-Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• L5 - PJM PPL Zone Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• F5 - PJM PPL Zone Off-Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• L6 - PJM PSEG Zone Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• W6 - PJM PSEG Zone Off- Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• J4 - PJM Western Hub Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• E4 - PJM Western Hub Off-Peak Calendar-Month Day-Ahead LMP Swap Futures Contract
  
• L1 - PJM Western Hub Peak Calendar-Month Real-Time LMP Swap Futures Contract
  
• N9 - PJM Western Hub Off-Peak Calendar-Month Real-Time LMP Swap Futures Contract