A. Carbon-Based Contracts

1. European Union Allowance (EUA) Futures Contract

The European Union Allowance (EUA) Futures Contract (trading symbol RC) is physically delivered at the UK Emissions Trading Registry (UK Registry). The minimum tick size is €0.01 per metric ton of CO2. Contract size is 1,000 metric tons of CO2, corresponding to 1,000 EUA units. This contract is priced in Euros. The contract will expire two business days prior to the first business day of the contract month.

The EUA Futures Contract will be listed for trading on the CME Globex electronic trading platform. Additionally, off-exchange transactions can be submitted for clearing via the NYMEX ClearPort clearing platform.

The listed contracts are December 2008, March 2009, June 2009, September 2009, December 2009, March 2010, June 2010, September 2010, December 2010, December 2011, and December 2012.

2. European Union Allowance (EUA) Option Contract

The EUA Option Contract (trading symbol AV) is a European-Style option that exercises into the underlying EUA Futures Contract. The option expires three (3) business days prior to the expiration of the underlying EUA Futures Contract. There will be ten (10) strike prices in increments of €0.50 per metric ton of CO2 above and below the at-the-money strike price. This contract is priced in Euros. There will be an Option for each contract listed.

The EUA Option Contract will be listed for trading on the NYMEX Trading Floor. Additionally, off-exchange transactions can be submitted for clearing via the NYMEX ClearPort clearing platform.

3. Certified Emission Reduction (CER) Futures Contract

The Certified Emission Reduction (CER) Futures Contract (trading symbol VA) is physically delivered at the UK Emissions Trading Registry (UK Registry) or at the Dutch CO2 Emissions Trading Registry. The minimum tick size is €0.01 per metric ton of CO2 equivalents. Contract size is 1,000 metric tons of CO2 equivalents, corresponding to 1,000 CER units. This contract is priced in Euros. The contract will expire two business day prior to the first business day of the contract month.

The CER Futures Contract will be listed for trading on the CME Globex electronic trading platform. Additionally, off-exchange transactions can be submitted for clearing via the NYMEX ClearPort clearing platform.

The listed contracts are December 2008, March 2009, June 2009, September 2009, December 2009, March 2010, June 2010, September 2010, December 2010, December 2011, and December 2012.

B. Nitrogen Oxides (NOX) Emission Allowance Contracts

1. Seasonal NOx Emission Allowance Futures Contracts

NYMEX will list four (4) Seasonal NOx Emission Allowance Futures Contracts (Seasonal NOx Futures Contracts), one for each vintage year from 2009 through 2012. Each Seasonal NOx Futures Contract is physically delivered at the U.S. Environmental Protection Agency (EPA) NOx Allowance Management System (NAMS), and relates to the ozone season from May 1 through September 30. The minimum tick size is $25.00 per ton. These contracts are priced in US dollars. Trading in the current delivery month will cease at termination of the third business day prior to the last business day of the contract month.

Also, effective March 17, 2008, the existing NYMEX NOx Emission Allowance Futures Contract for the current vintage year, currently listed on the NYMEX ClearPort trading platform, will be migrated to the CME Globex electronic trading platform.

The following summarizes the Seasonal NOx Futures Contracts:

The Exchange will list quarterly contracts from June 2008 through the last December of each vintage year.

2. Annual NOx Emission Allowance Futures Contracts

NYMEX will also list four (4) Annual NOx Emission Allowance Futures Contracts (Annual NOx Futures Contracts), one for each vintage year from 2009 through 2012. Each Annual NOx Futures Contract is physically delivered at the EPA NAMS. The minimum tick size is $25.00 per ton. These contracts are priced in US dollars. Trading in the current delivery month will cease at termination of the third business day prior to the last business day of the contract month.

The following summarizes the Annual NOx Futures Contracts:

The Annual NOx Futures Contracts will be listed for trading on the CME Globex electronic trading platform. Additionally, off-exchange transactions can be submitted for clearing via the NYMEX ClearPort clearing platform.

The Exchange will list quarterly contracts from June 2008 through the last December of each vintage year.

C. Sulfur Dioxide (SO2) Emission Allowance Contracts

1. SO2 Emission Allowance Futures Contract

Effective March 17, 2008, the existing NYMEX SO2 Emission Allowance Futures Contract (trading symbol RS), currently listed on the NYMEX ClearPort® trading platform, will be migrated to the CME Globex electronic trading platform. Additionally, off-exchange transactions can be submitted for clearing via the NYMEX ClearPort clearing platform. Trading in the current delivery month will cease at termination of the third business day prior to the last business day of the contract month.

The monthly contracts listed are March 2008 through February 2011.

2. SO2 Emission Allowance Option Contract

The SO2 Emission Allowance Option Contract (trading symbol AS) is a European-Style option that exercises into the underlying existing NYMEX SO2 Emission Allowance Futures Contract. The option expires on the fifteenth (15th) business day of the contract month. There will be five (5) strike prices in increments of $5.00 per ton above and below the at-the-money strike price. This contract is priced in US dollars. There will be an Option for each contract listed.

The SO2 Emission Allowance Option Contract will be listed for trading on the NYMEX Trading Floor. Additionally, off-exchange transactions can be submitted for clearing via the NYMEX ClearPort clearing platform.

D. Fees