| ABS |  | Butane, Argus Saudi CP Future | Natural Gas Liquids | IFED |  | 
| ETE |  | Ethane, OPIS Mt. Belvieu Non-TET Future | Natural Gas Liquids | IFED |  | 
| NGE |  | Natural Gasoline, OPIS Mt. Belvieu Non-TET Future | Natural Gas Liquids | IFED |  | 
| NBI |  | Normal Butane, OPIS Mt. Belvieu Non-TET Future | Natural Gas Liquids | IFED |  | 
| APC |  | Propane, Argus CIF ARA Future | Natural Gas Liquids | IFED |  | 
| AFE |  | Propane, Argus Far East Index (AFEI) Future | Natural Gas Liquids | IFED |  | 
| SCP |  | Propane, Argus Saudi CP Future | Natural Gas Liquids | IFED |  | 
| PRL |  | Propane, OPIS Mt. Belvieu TET Future | Natural Gas Liquids | IFED |  | 
| CEK |  | Propane, OPIS Mt. Belvieu TET vs Propane, Argus CIF ARA Future | Natural Gas Liquids | IFED |  | 
| BUK |  | Butane Argus CIF ARA Mini Balmo Future | Natural Gas Liquids | IFED |  | 
| BUN |  | Butane, Argus CIF ARA Balmo Future | Natural Gas Liquids | IFED |  | 
| ABR |  | Butane, Argus CIF ARA Future | Natural Gas Liquids | IFED |  | 
| ABM |  | Butane, Argus CIF ARA Mini Future | Natural Gas Liquids | IFED |  | 
| ABF |  | Butane, Argus Far East Index (AFEI) Future | Natural Gas Liquids | IFED |  | 
| BUQ |  | Butane, Argus Far East Index (AFEI) Mini Future | Natural Gas Liquids | IFED |  | 
| BUR |  | Butane, Argus Far East Index Balmo Future | Natural Gas Liquids | IFED |  | 
| BUS |  | Butane, Argus Saudi CP Mini Future | Natural Gas Liquids | IFED |  | 
| ABO |  | Butane, Argus Sonatrach CP Future | Natural Gas Liquids | IFED |  | 
| ECC |  | Ethane in E/P Mix, OPIS Conway in-Well Average Price Options | Natural Gas Liquids | IFED |  | 
| ECC |  | Ethane in E/P Mix, OPIS Conway In-Well Future | Natural Gas Liquids | IFED |  | 
| ECD |  | Ethane in E/P Mix, OPIS Conway In-Well, Fixed Price Balmo Future | Natural Gas Liquids | IFED |  | 
| ECA |  | Ethane in E/P Mix, OPIS Mt. Belvieu  Non-TET, Fixed Price Balmo Future | Natural Gas Liquids | IFED |  | 
| ECB |  | Ethane in E/P Mix, OPIS Mt. Belvieu Non-TET Future | Natural Gas Liquids | IFED |  | 
| ETE |  | Ethane, OPIS Mt. Belvieu Non-TET Average Price Options | Natural Gas Liquids | IFED |  | 
| ETF |  | Ethane, OPIS Mt. Belvieu Non-TET, Fixed Price Balmo Future | Natural Gas Liquids | IFED |  | 
| ETD |  | Ethane, OPIS Mt. Belvieu Other Non-TET Future | Natural Gas Liquids | IFED |  | 
| ISD |  | Iso Butane, OPIS Conway In-Well Balmo Future | Natural Gas Liquids | IFED |  | 
| ISP |  | Iso Butane, OPIS Mt. Belvieu Non-TET Balmo Future | Natural Gas Liquids | IFED |  | 
| ISQ |  | Iso Butane, OPIS Mt. Belvieu TET, Fixed Price Future (Balmo) | Natural Gas Liquids | IFED |  | 
| ISC |  | Isobutane, OPIS Conway In-Well Future | Natural Gas Liquids | IFED |  | 
| ISO |  | Isobutane, OPIS Mt. Belvieu Non-TET Future | Natural Gas Liquids | IFED |  | 
| ISL |  | Isobutane, OPIS Mt. Belvieu TET Future | Natural Gas Liquids | IFED |  | 
| NGC |  | Natural Gasoline, OPIS Conway In-Well Future | Natural Gas Liquids | IFED |  | 
| NGG |  | Natural Gasoline, OPIS Conway In-Well, Fixed Price Balmo Future | Natural Gas Liquids | IFED |  | 
| NGE |  | Natural Gasoline, OPIS Mt. Belvieu Non-TET Average Price Options | Natural Gas Liquids | IFED |  | 
| NGW |  | Natural Gasoline, OPIS Mt. Belvieu Non-TET vs WTI 1st Line Future | Natural Gas Liquids | IFED |  | 
| NGF |  | Natural Gasoline, OPIS Mt. Belvieu Non-TET, Fixed Price Balmo Future | Natural Gas Liquids | IFED |  | 
| NBC |  | Natural Gasoline, OPIS Mt. Belvieu Other Non-TET Future | Natural Gas Liquids | IFED |  | 
| NGL |  | Natural Gasoline, OPIS Mt. Belvieu TET Future | Natural Gas Liquids | IFED |  | 
| NGK |  | Natural Gasoline, OPIS Mt. Belvieu TET, Fixed Price Balmo Future | Natural Gas Liquids | IFED |  | 
| NGB |  | NGL Basket, OPIS Mt. Belvieu Non-TET Future | Natural Gas Liquids | IFED |  | 
| NBE |  | Normal Butane OPIS Mt. Belvieu Other Non-TET Future | Natural Gas Liquids | IFED |  | 
| IBC |  | Normal Butane, OPIS Conway In-Well Future | Natural Gas Liquids | IFED |  | 
| IBD |  | Normal Butane, OPIS Conway In-Well, Fixed Price Balmo Future | Natural Gas Liquids | IFED |  | 
| NBO |  | Normal Butane, OPIS ETR ISOM Grade, Fixed Price Balmo Future | Natural Gas Liquids | IFED |  | 
| BUE |  | Normal Butane, OPIS LST ISOM Grade Future | Natural Gas Liquids | IFED |  | 
| NBI |  | Normal Butane, OPIS Mt. Belvieu Non-TET Average Price Options | Natural Gas Liquids | IFED |  | 
| NBJ |  | Normal Butane, OPIS Mt. Belvieu Non-TET, Fixed Price Balmo Future | Natural Gas Liquids | IFED |  | 
| NBR |  | Normal Butane, OPIS Mt. Belvieu TET Future | Natural Gas Liquids | IFED |  | 
| NBS |  | Normal Butane, OPIS Mt. Belvieu TET, Fixed Price Balmo Future | Natural Gas Liquids | IFED |  |