Spreadsheet: mark_taylor__24665__041299pgas
Sheet: Sheet1

Counterparty | Physical | [NAME] | Financial | [NAME]
Abraxas Petroleum Corporation | NO TRADES | N/A | NO TRADES | N/A
Adonis Energy Corporation - WMBE | Call Credit for approval | N/A | NO TRADES | N/A
Agave Energy | Call Credit for approval | 1 Month | NO TRADES | N/A
Alliance Resources Corporation | NO TRADES | N/A | NO TRADES | N/A
Alliant Services Company | NO TRADES | N/A | NO TRADES | N/A
Altra Streamline, LLC | Call Credit for approval | 1 Month | NO TRADES | N/A
American Atlas #1, Ltd. LLC | Call Credit for approval | 2 Months | NO TRADES | N/A
Arcadia Energy Corporation | NO TRADES | N/A | NO TRADES | N/A
Aurora Natural Gas, LLC | NO TRADES | N/A | NO TRADES | N/A
Barrington Petroleum Ltd. | NO TRADES | N/A | NO TRADES | N/A
Baytex Energy Ltd. | Call Credit for approval | 1 Month | NO TRADES | N/A
Bearspaw Petroleum Ltd. | NO TRADES | N/A | NO TRADES | N/A
Belco Oil & Gas Corp. | NO TRADES | N/A | NO TRADES | N/A
BHP Copper Inc. | Call Credit for approval | 3 Months | NO TRADES | N/A
Big Bear Exploration Ltd. | NO TRADES | N/A | NO TRADES | N/A
Black Hills Energy Resources, Inc. | Call Credit for approval | 2 Months | L/C or prepay required | 1 Month
Blackhawk Energy Services, LLC | L/C or prepay required | 1 Month | NO TRADES | N/A
Blue Range Resources Corporation | NO TRADES | N/A | NO TRADES | N/A
Bonavista Petroleum Ltd. | Call Credit for approval | 3 Months | NO TRADES | N/A
Breitburn Energy Company LLC | Call Credit for approval | 1 month | Call Credit for approval | 1 month
Browning Exploration L.P. | NO TRADES | N/A | NO TRADES | N/A
C & L Petroleum, Inc. | NO TRADES | N/A | NO TRADES | N/A
Cambright Gas Corp. | Call Credit for approval | 1 Month | NO TRADES | N/A
CanEnerco Energy Services Limited | Call Credit for approval | 1 Month | NO TRADES | N/A
CanWest Gas Supply (USA) Inc. | Call Credit for approval | 2 Months | NO TRADES | N/A
Carrizo Oil & Gas, Inc. | NO TRADES | N/A | NO TRADES | N/A
Castle Power LLC | Call Credit for approval | 6 Months | Call Credit for approval | 6 Months
Castle Texas Production Limited Partnership | Trade subject to credit | 1 Month | OK - master | 1 Month
Cgas, Inc. | NO TRADES | N/A | NO TRADES | N/A
Chesapeake Energy Corporation | NO TRADES | N/A | NO TRADES | N/A
Chesapeake Energy Marketing, Inc. | NO TRADES | N/A | NO TRADES | N/A
CIG Resources Corporation | Call Credit for approval | 1 Month | NO TRADES | N/A
[NAME], LLC | NO TRADES | N/A | NO TRADES | N/A
CNB/Bayou Gas Services  fka  CNB/Olympic Gas | NO TRADES | N/A | NO TRADES | N/A
CNE Peaking LLC | Call Credit for approval | 3 Months | NO TRADES | N/A
Cody Energy, Inc. | Call Credit for approval | 1 Month | OK - master | 3 Months
[NAME], a division of Cody Energy, Inc. | Call Credit for approval | 1 Month | NO TRADES | N/A
Coho Energy, Inc. | NO TRADES | N/A | NO TRADES | N/A
Cokinos Natural Gas Company | Call Credit for approval | 3 Months | NO TRADES | N/A
Colonial Energy, Inc. | Call Credit for approval | 6 Months | Call Credit for approval | 2 Months
Colorado Cogen Operators LLC | NO TRADES | N/A | NO TRADES | N/A
Commercial Energy of Montana | NO TRADES | N/A | NO TRADES | N/A
Connecticut Light and Power Company, The | Call Credit for approval | 3 Months | NO TRADES | N/A
Consolidated Edison Solutions, Inc.    fka | Call Credit for approval | 3 Months | NO TRADES | N/A
Constellation Energy Source, Inc.  fka  B N | Call Credit for approval | 2 Months | NO TRADES | N/A
Continental Resources, Inc. | NO TRADES | N/A | NO TRADES | N/A
Cook Inlet Energy Supply | OK - master | 3 Months | OK - master | 6 Months
Cornerstone Propane, L.P. | Call Credit for approval | 6 Months | NO TRADES | N/A
Costilla Energy, Inc. | NO TRADES | N/A | NO TRADES | N/A
Cross Timbers Energy Services, inc. | Call Credit for approval | 3 Months | Call Credit for approval | 3 Months
Crosstex Energy Services, Ltd. | Call Credit for approval | 2 Months | NO TRADES | N/A
Crown Central Petroleum | Call Credit for approval | 2 Months | NO TRADES | N/A
Cypress Exploration | NO TRADES | N/A | NO TRADES | N/A
Daniels Corporation, The | NO TRADES | N/A | NO TRADES | N/A
Direct Energy Marketing Limited | Call Credit for approval | 3 Months | NO TRADES | N/A
Eagle Gas Marketing Company | Call Credit for approval | 4 Months | NO TRADES | N/A
Eagle Gas Marketing, LLC | NO TRADES | N/A | NO TRADES | N/A
Eagle Natural Gas Company | NO TRADES | N/A | NO TRADES | N/A
[NAME] | NO TRADES | N/A | NO TRADES | N/A
Eastern American Energy Corporation | OK - master | 2 Months | NO TRADES | N/A
Elk Point Resources Inc. | Purchases only | 1 Month | NO TRADES | N/A
Empire Natural Gas Corporation | L/C or prepay required | 1 Month | NO TRADES | N/A
Empire Pipeline Corp. | L/C or prepay required | 2 Months | NO TRADES | N/A
Encina Gas Marketing, LLC | Call Credit for approval | 2 Months | NO TRADES | N/A
Energy Dynamics, Inc. | L/C or prepay required | 1 Month | NO TRADES | N/A
Energy West, Inc. | Call Credit for approval | 3 Months | OK - master | 6 Months
EnerZ Corporation | Call Credit for approval | 3 Months | NO TRADES | N/A
Engineered Carbons | Call Credit for approval | 1 Month | NO TRADES | N/A
Enserco Energy, Inc. | L/C or prepay required | 1 Month | NO TRADES | N/A
Euell Energy Resources, Inc. - WMBE | NO TRADES | N/A | NO TRADES | N/A
Exploration Partners, Inc. | NO TRADES | N/A | NO TRADES | N/A
Ferrell Resources, L.L.C. | NO TRADES | N/A | NO TRADES | N/A
[NAME], LP | Call Credit for approval | 1 Month | OK - master | 3 Months
Filtrol Corporation | NO TRADES | N/A | NO TRADES | N/A
Forcenergy, Inc. | NO TRADES | N/A | NO TRADES | N/A
Formosa Hydrocarbons Company, Inc. | Call Credit for approval | 4 Months | Call Credit for approval | 3 Months
G M Hydrocarbons Ltd. | NO TRADES | N/A | NO TRADES | N/A
Gas Services, Inc. | NO TRADES | N/A | NO TRADES | N/A
Gasco Distribution Systems, Inc. | NO TRADES | N/A | NO TRADES | N/A
Gasco, Inc. | NO TRADES | N/A | NO TRADES | N/A
Gelber Group, Inc. The | Call Credit for approval | 3 Months | NO TRADES | N/A
Geneva Steel Corporation | NO TRADES | N/A | NO TRADES | N/A
Global Octanes Texas L.P. | Call Credit for approval | 6 Months | Call Credit for approval | 3 Months
Goldston Oil Corporation | NO TRADES | N/A | NO TRADES | N/A
H & N Gas Limited Partnership | NO TRADES | N/A | Call Credit for approval | 2 Months
Hallwood Petroleum, Inc. | Call Credit for approval | 3 Months | NO TRADES | N/A
Harbour Petroleum Company Limited | NO TRADES | N/A | NO TRADES | N/A
Helmerich & Payne Energy Services, Inc. | Call Credit for approval | 5 Months | NO TRADES | N/A
Heritage Gas Services, L.L.C. | NO TRADES | N/A | NO TRADES | N/A
Highland Energy Corporation | Call Credit for approval | 1 Month | NO TRADES | N/A
Hogan Energy Corporation   ([NAME] | NO TRADES | N/A | NO TRADES | N/A
Hogan Exploration, LLC | NO TRADES | N/A | NO TRADES | N/A
Holly Sugar Corporation | NO TRADES | n/a | NO TRADES | n/a
Howard Energy Marketing, LLC  (name changed | Purchases only | 12 Months | OK - master | 1 Month
HS Energy Services, Inc. | Call Credit for approval | 9 Months | NO TRADES | N/A
Hughes Rawls LLC | NO TRADES | N/A | NO TRADES | N/A
Humble Petroleum Marketing Ltd. | NO TRADES | N/A | NO TRADES | N/A
ICC Energy Corporation - WMBE | Call Credit for approval | N/A | NO TRADES | N/A
Ice Drilling Systems, Inc. | NO TRADES | N/A | NO TRADES | N/A
Infinite Energy, Inc. | NO TRADES | N/A | NO TRADES | N/A
Inland Resources Inc. | NO TRADES | N/A | NO TRADES | N/A
Innovative Gas Services, Inc. | Purchases only | 2 Months | NO TRADES | N/A
Interstate Gas Supply, Inc. | L/C or prepay required | 1 Month | NO TRADES | N/A
J.C. Energy Resources, Inc. - WMBE | Call Credit for approval | N/A | NO TRADES | N/A
Kaztex Energy Management, Inc. | L/C or prepay required | 1 Month | NO TRADES | N/A
KCS Resources, Inc. | OK - master | 6 Months | NO TRADES | N/A
Kelley Oil & Gas Corporation | NO TRADES | N/A | NO TRADES | N/A
Kimball Energy Corporation | NO TRADES | N/A | NO TRADES | N/A
Kimball Trading Company, LLC | NO TRADES | N/A | NO TRADES | N/A
KNG Energy, Inc. | NO TRADES | N/A | NO TRADES | N/A
LG&E- [NAME] | NO TRADES | N/A | NO TRADES | N/A
Louisiana Municipal Natural Gas Purchasing a | Trade subject to credit | 6 Months | NO TRADES | N/A
Lyco Energy Corporation | NO TRADES | N/A | NO TRADES | N/A
M & B Industrial Gas Development Corp. | NO TRADES | N/A | NO TRADES | N/A
Magnum Hunter Resources Inc. | Call Credit for approval | 4 Months | Call Credit for approval | 2 Months
Mariner Energy, Inc. | NO TRADES | N/A | NO TRADES | N/A
MassPower, Inc. | Call Credit for approval | 6 Months | NO TRADES | N/A
MBF FX CORP. | NO TRADES | N/A | NO TRADES | N/A
Mega Natural Gas Company | NO TRADES | N/A | NO TRADES | N/A
MG Natural Gas Corp | L/C or prepay required | 2 Monrhs | NO TRADES | N/A
Miami Valley Resources | Call Credit for approval | 1 Month | NO TRADES | N/A
Micah-Tech Industries, Inc -WMBE. | Call Credit for approval | N/A | NO TRADES | N/A
Midcon Gas Services Corp. | OK - master | 3 Months | NO TRADES | N/A
Midland Resources, Inc | NO TRADES | N/A | NO TRADES | N/A
Miocene Oil & Gas Ltd. | NO TRADES | N/A | NO TRADES | N/A
Mystic River Energy Corporation | Call Credit for approval | 3 Months | NO TRADES | N/A
[NAME] (NSM) - Thailand | NO TRADES | N/A | NO TRADES | N/A
Nasser Oil & Gas, Inc. | NO TRADES | N/A | NO TRADES | N/A
National Fuel Marketing Company, L.L.C. | L/C or prepay required | 1 Month | OK - master | 2 Months
NESI Energy Marketing, LLC | Call Credit for approval | 2 Months | NO TRADES | N/A
NGTS, LLC | L/C or prepay required | 1 Month | L/C or prepay required | 1 Month
[NAME], Inc.  fka | L/C or prepay required | 1 Month | NO TRADES | N/A
Nicole Gas Marketing Inc. - WMBE | Call Credit for approval | N/A | NO TRADES | N/A
Nine Energy Services, LLC - WMBE | Call Credit for approval | N/A | Call Credit for approval | N/A
NJR Energy Services Company | Call Credit for approval | 9 Months | NO TRADES | N/A
Noram, Inc. | NO TRADES | N/A | NO TRADES | N/A
North American Energy Conservation, Inc. | NO TRADES | N/A | NO TRADES | N/A
Northeast Utilities Service Company | NO TRADES | N/A | NO TRADES | N/A
Northern Alberta Nitrogen Ltd. | NO TRADES | N/A | NO TRADES | N/A
Northrock Resources Ltd. | Call Credit for approval | 1 Month | Call Credit for approval | 1 Month
Northstar Energy | Call Credit for approval | 3 Months | NO TRADES | N/A
NP Energy, Inc. | NO TRADES | N/A | NO TRADES | N/A
NUI Energy Brokers, Inc. | Purchases only | N/A | OK - master | 2 Months
OEDC Exploration & Production, LP | NO TRADES | N/A | NO TRADES | N/A
OEDC L.P. | NO TRADES | N/A | NO TRADES | N/A
Patten Energy Enterprises, Inc. - WMBE | Call Credit for approval | N/A | NO TRADES | N/A
Perry Gas Companies | L/C or prepay required | 1 Month | NO TRADES | N/A
Petro-Hunt, LLC | NO TRADES | N/A | NO TRADES | N/A
Petrocom Energy Group Limited | NO TRADES | N/A | NO TRADES | N/A
Petrotex, Inc. | NO TRADES | N/A | NO TRADES | N/A
PG&E Texas Industrial Energy, LP | Call Credit for approval | 6 Months | NO TRADES | N/A
Phoenix Dominion Energy LLC | Call Credit for approval | 6 Months | NO TRADES | N/A
Pioneer Energy Marketing Company, Inc. | Call Credit for approval | 6 Months | NO TRADES | N/A
Plains Gas Farmers Cooperative Society of He | L/C or prepay required | 1 Month | NO TRADES | N/A
Poco Petroleums Ltd. | Call Credit for approval | 6 Months | Call Credit for approval | 6 Months
Polsky Energy Corporation | NO TRADES | N/A | NO TRADES | N/A
Prem Star Energy Canada Ltd. | Call Credit for approval | 3 Months | NO TRADES | N/A
[NAME], L.L.C. - WMBE | Call Credit for approval | N/A | NO TRADES | N/A
ProLiance Energy, LLC | NO TRADES | N/A | NO TRADES | N/A
PSEG Energy Technologies Inc. | Call Credit for approval | 3 Months | NO TRADES | N/A
PSNC Production Corporation | Call Credit for approval | 3 Months | NO TRADES | N/A
Public Service Company of New Hampshire | NO TRADES | N/A | NO TRADES | N/A
Qualitech Steel Corporation | NO TRADES | N/A | NO TRADES | N/A
Quantum Energy Resources, Inc. - WMBE | Call Credit for approval | N/A | NO TRADES | N/A
Queen Sand Resources, Inc. | NO TRADES | N/A | NO TRADES | N/A
Questar Energy Trading Company | Call Credit for approval | 3 Months | NO TRADES | N/A
Quicktrade, LLC | Call Credit for approval | 1 Month | NO TRADES | N/A
Rainbow Gas Company | Call Credit for approval | 1 Month | NO TRADES | N/A
Ranck Oil Inc. | NO TRADES | N/A | NO TRADES | N/A
Redan Futures Ltd. | NO TRADES | N/A | NO TRADES | N/A
Renaissance Energy Ltd. | Call Credit for approval | 1 Month | NO TRADES | N/A
Repap Enterprises | NO TRADES | N/A | NO TRADES | N/A
Repap New Brunswick Inc. | NO TRADES | N/A | NO TRADES | N/A
Richardson Products II, Ltd. | Call Credit for approval | 3 Months | NO TRADES | N/A
Rio Vista Energy, Ltd | NO TRADES | N/A | NO TRADES | N/A
Rocky Mountain Natural Gas LLC | Purchases only | 1 Month | NO TRADES | N/A
[NAME] | Call Credit for approval | N/A | Call Credit for approval | N/A
Savannah Foods Industrial | NO TRADES | N/A | NO TRADES | N/A
Savannah Foods & Industries. Inc. | NO TRADES | N/A | NO TRADES | N/A
SDS Petroleum Products, Inc. | Purchases only | 1 Month | NO TRADES | N/A
Sempra Energy Trading Services Corp.    fka | NO TRADES | N/A | NO TRADES | N/A
Sheridan Energy, Inc. | NO TRADES | N/A | NO TRADES | N/A
Sierra Well Service | NO TRADES | N/A | NO TRADES | N/A
SIGCORP Energy Services, Inc./LLC | Call Credit for approval | 3 Months | NO TRADES | N/A
Sonat Exploration Company | Purchases only | 6 Months | NO TRADES | N/A
Southern Gas Pipeline Co., Inc. | NO TRADES | N/A | NO TRADES | N/A
Southern Industrial Gas Corporation | NO TRADES | N/A | NO TRADES | N/A
Southwest Royalties, Inc. | NO TRADES | N/A | NO TRADES | N/A
Sprague Energy Corp. | Call Credit for approval | 12 Months | NO TRADES | N/A
Stalwart Energy Company | L/C or prepay required | 1 Month | NO TRADES | N/A
Star Natural Gas Company | Call Credit for approval | 3 Months | NO TRADES | N/A
Sterling Chemicals Inc. | NO TRADES | N/A | NO TRADES | N/A
Stone Energy Corporation | Call Credit for approval | 2 Months | Call Credit for approval | N/A
Summit Resources, L.L.C. | L/C or prepay required | 1 Month | NO TRADES | N/A
Superior Natural Gas Corporation | L/C or prepay required | 1 Month | NO TRADES | N/A
Tauber Oil Company | NO TRADES | N/A | OK - master | 3 Months
Texas Energy Transfer Co. Ltd. | NO TRADES | N/A | NO TRADES | N/A
Texas*Ohio Energy, Inc.   fka   Texas-Ohio W | NO TRADES | N/A | NO TRADES | N/A
Texican Natural Gas Company | Call Credit for approval | 3 Months | NO TRADES | N/A
Texla Energy Management Inc. | NO TRADES | N/A | NO TRADES | N/A
Thermo Cogeneration Partnership, LP | Call Credit for approval | 1 Month | NO TRADES | N/A
Tiger Natural Gas Inc. | L/C or prepay required | 1 Month | NO TRADES | N/A
Torch-CoEnergy, LLC | Call Credit for approval | 2 Months | Call Credit for approval | 1 Month
Torch Energy Marketing, Inc. | Call Credit for approval | 2 Months | OK - master | 3 Months
Torco Oil Company | NO TRADES | N/A | NO TRADES | N/A
Total Energy, Inc. | NO TRADES | N/A | NO TRADES | N/A
TPC Corporation | Call Credit for approval | 2 Months | Call Credit for approval | 2 Months
Tri-Point Inc. | NO TRADES | N/A | NO TRADES | N/A
Tristar Gas Marketing Company | Call Credit for approval | 3 Months | NO TRADES | N/A
Twister Gas Services LLC | Call Credit for approval | 2 Months | Call Credit for approval | 2 Months
UCG Energy Corporation | OK - master | 6 Months | Call Credit for approval | 3 Months
Union Natural Gas Company | NO TRADES | N/A | NO TRADES | N/A
US Gas Transportation | L/C or prepay required | 3 Months | NO TRADES | N/A
Venoco, Inc. | NO TRADES | N/A | NO TRADES | N/A
Victoria International Ltd - WMBE. | Call Credit for approval | N/A | NO TRADES | N/A
Vitol Gas & Electric LLC | NO TRADES | N/A | NO TRADES | N/A
Wasatch Energy Corporation | Purchases only | 2 Months | OK - master | 3 Months
Weirton Steel Corporation | Call Credit for approval | 3 Months | NO TRADES | N/A
Western Massachusetts Electric Company | NO TRADES | N/A | NO TRADES | N/A
Wild Horse Energy Partners, LLC | Call Credit for approval | 3 Months | NO TRADES | N/A
Windward Energy & Marketing Co. | NO TRADES | N/A | NO TRADES | N/A
Wiser Oil Company, The | NO TRADES | N/A | NO TRADES | N/A
[NAME], L.L.C. | Call Credit for approval | 3 Months | NO TRADES | N/A
WPS Energy Services, Inc. | Call Credit for approval | 2 Months | Call Credit for approval | 2 Months
WTG Gas Marketing, Inc. | Call Credit for approval | 1 Month | OK - master | 3 Months
Wyman-Gordon Forgings, Inc. | Call Credit for approval | 1 Month | NO TRADES | N/A
W.B. Oil Company | NO TRADES | N/A | NO TRADES | N/A
Yates Petroleum Corporation | Call Credit for approval | 9 Months | NO TRADES | N/A