Entity Common Code        Entity Name
Entity Prop


Entity Cross-reference
Entity Cross-reference

Entity Common Code Entity Prop Entity Name Effective Date
540802826 802,826 38 OIL & GAS, L.L.C. 8/1/2003
827521337 801,137 3TEC ENERGY CORPORATION 10/1/2001
155272347 3,841 A W TIPKA OIL & GAS INC. 5/1/1993
087834086 802,897 ABACO OPERATING, LLC 5/1/2004
793077439 801,153 ABARTA OIL & GAS CO., INC. 12/1/2001
088482898 340 ABRAXAS PETROLEUM CORPORATION 1/1/1999
194884441 800,944 ACACIA NATURAL GAS CORPORATION 7/1/1999
109006858 100,100 ACADIAN GAS PIPELINE SYSTEM 5/1/1993
189049187 802,999 ACCENT ENERGY MIDWEST GAS L.L.C. 8/1/2005
059091384 801,002 ACN POWER, INC. 2/1/2000
540802961 802,961 ACOCK ANAQUA OPERATING CO, LP 2/1/2005
T00000500 500 ACOMA OIL CORPORATION 2/1/1999
093524127 800,967 ADAMS RESOURCES MARKETING, LTD. 10/1/1999
127161370 100,150 ADAMSVILLE CITY OF 5/1/1993
T00000678 678 ADOBE ENERGY INC. 2/1/1999
T00000680 680 ADOBE GAS MARKETING CO 2/1/1999
118233191 802,825 ADVANTAGE ENERGY, INC. 8/1/2003
614535904 733 AEDC (USA) INC 5/1/1993
008227738 800,749 AEP ENERGY SERVICES, INC. 9/1/1997
095634957 802,899 AEP GAS MARKETING LP 6/1/2004
540803955 803,955 AFFILIATED HOLDINGS INC. 10/1/2007
151744414 725,070 AFG INDUSTRIES INC 5/1/1993
605118157 762 AGF DIRECT GAS SALES INC. 5/1/1993
141056858 804,038 AGWAY ENERGY SERVICES, LLC 1/1/2009
038906900 802,724 AIG ENERGY INC. 2/10/2003
T00010000 1,000 AIKINS & OWEN 2/1/1999
T00800475 800,475 AIM PIPELINE LLC 8/30/2001
606072130 800,676 AK STEEL CORPORATION 4/1/1997
611613415 16,366 AKRON, CITY OF 5/2/1993
835409681 1,601 ALBERTA NORTHEAST GAS LIMITED 5/1/1993
069643062 130,500 ALC PARTNERS 5/1/1993
614340404 1,604 ALCAN ALUMINUM CORPORATION 5/1/1993
148728470 100,300 ALCOA, INC. 1/1/1999
006951446 1,705 ALGONQUIN GAS TRANSMISSION COMPANY 5/1/1993
T00711360 711,360 ALGOOD TOWN OF 2/1/1999
808433630 803,965 ALIEF CAPITAL, LLC 11/1/2007
104225979 800,975 ALL POWER CORP 11/1/1999
106438018 801,061 ALLEGHENY ENERGY SUPPLY COMPANY, LLC 8/1/2000
026352310 803,048 ALLEGHENY LUDLUM CORPORATION 1/1/2006
363499745 803,044 ALLEGIANT ENERGY GROUP, LP 1/1/2006
618587257 802,231 ALLEGRO DEVELOPMENT CORP. 2/1/2007
045246071 800,416 ALLEGRO INVESTMENTS, INC. 1/1/1995
004598517 801,091 ALLENERGY GAS & ELECTRIC MKTING CO., LLC 1/1/2001
135266901 802,834 ALLENERGY GAS MARKETING CO. NEW YORK LLC 9/1/2003
945786424 800,567 ALLENERGY MARKETING COMPANY, INC. 3/1/2002
135271083 802,835 ALLENERGY NEW YORK COMPANY LLC 9/1/2003
877369348 800,059 ALLIANCE GAS SERVICES INC. 12/1/1998
809787513 800,924 ALLIANCE PIPELINE L.P. 12/1/2000
540802932 802,932 ALLIANT ENERGY GENERATION INC. 10/1/2004
146214908 803,957 ALLIED ENERGY RESOURCES CORPORATION 11/1/2007
065385296 1,870 ALLIED SIGNAL INC 5/1/1993
965582265 1,920 ALMA ENERGY CORP 5/1/1993
789982782 802,833 ALPINE RESOURCES, INC. 9/1/2003
196442768 1,962 ALTA MESA RESOURCES INC 5/1/1993
949058382 800,254 ALTRA STREAMLINE, L.L.C. 3/14/1996
036398394 800,557 ALTRADE TRANSACTION, L.L.C. 5/1/2000
194624748 1,996 AMAGAS RESOURCES INC 5/1/1993
126762087 1,997 AMALGAMATED PIPELINE CO 5/1/1993
604792791 803,945 AMBIT ENERGY, L.P. 9/1/2007
047880133 800,599 AMERAC ENERGY CORPORATION 9/1/1996
931086149 802,940 AMEREN ENERGY FUELS AND SERVICES COMPANY 12/1/2004
003522724 800,820 AMEREN ENERGY, INC. 6/1/1998
966851875 800,781 AMEREN SERVICES COMPANY 12/1/1997
T00800937 800,937 AMEREN, CIPS 7/1/1999
797606431 800,756 AMERICAN CENTRAL ENERGY LLC 3/1/2002
T00002135 2,135 AMERICAN CENTRAL GAS COMPANIES INC 2/1/1999
157476813 2,137 AMERICAN CENTRAL GAS MARKETING CO 5/1/1993
023861875 802,830 AMERICAN COASTAL ENERGY, INC. 8/1/2003
T00002116 2,116 AMERICAN COMETRA INC 2/1/1999
T00800298 800,298 AMERICAN ELECTRIC POWER SERVICE CORP. 2/1/1999
106944622 800,470 AMERICAN ENERGY MANAGEMENT, INC. 6/1/1995
074156233 2,119 AMERICAN FLOW MEASUREMENT 9/1/1993
623626731 803,859 AMERICAN GAS SUPPLY (HEARTLAND), LTD. 7/1/2006
796347446 803,926 AMERICAN GAS SUPPLY, LP 6/1/2007
606581916 102,123 AMERICAN HUNTER ENERGY 5/1/1993
T00800441 800,441 AMERICAN MAIZE - PRODUCTS DECATUR INC. 2/1/1999
105687560 802,849 AMERICAN MUNICIPAL POWER - OHIO, INC. 10/1/2003
043368596 2,155 AMERICAN PIPELINE COMPANY 9/1/2001
154189989 2,167 AMERICAN STEEL & WIRE CORP 5/1/1993
070572912 802,809 AMERICAN SUGAR REFINING, INC. 6/1/2003
059339689 2,173 AMERICAN TRADING & PRODUCTION CORP 5/1/1993
807127758 802,764 AMERICAN UTILITIES CORPORATION 12/1/2002
015553639 800,713 AMERIENERGY, INC. 5/1/1997
015395973 800,538 AMKOR NATURAL GAS COMPANY 1/1/1999
194624391 2,210 AMTEX GAS AND MINERALS INC 5/1/1993
001317171 93,110 ANADARKO E&P COMPANY LP 8/13/2002
199116823 2,323 ANADARKO ENERGY SERVICES COMPANY 3/11/1997
783263080 802,265 ANADARKO GATHERING COMPANY 8/1/2003
026409797 2,324 ANADARKO PETROLEUM CORPORATION 5/1/1993
177586641 2,251 ANAQUA OIL & GAS INC 5/1/1993
807786769 801,188 ANDERSON EXPLORATION CO., INC. 5/1/2002
T00100800 100,800 ANGELLE, WARNER J 2/1/1999
166887351 802,920 ANGLO-SUISSE OFFSHORE PARTNERS, LLC 9/1/2004
006958581 101,000 ANR PIPELINE COMPANY 5/1/1993
092454453 803,948 ANR STORAGE CO. 10/1/2007
T00002428 2,428 ANTHEM ENERGY CO 2/1/1999
006961551 2,438 APACHE CORPORATION 2/1/1999
T00002441 2,441 APACHE DRILLING 2/1/1999
T00002433 2,433 APC OPERATING PARTNERSHIP 2/1/1999
877932293 800,537 APEX OIL & GAS, INC. 1/1/1996
007941537 803,037 APPALACHIAN POWER COMPANY 1/1/2006
048318133 2,900 AQUA GLASS CORP 5/1/1993
161446109 800,790 AQUILA DALLAS MARKETING, L.P. 4/17/2001
174976175 800,085 AQUILA ENERGY CORPORATION 2/1/1999
788072502 3,012 AQUILA ENERGY RESOURCES CORPORATION 5/1/1993
840015150 800,414 AQUILA ENERGY TRANSPORTATION CORPORATION 2/1/1999
085510092 802,728 AQUILA LONG TERM, INC. 10/1/2002
785958422 3,010 AQUILA MERCHANT SERVICES, INC. 3/1/2002
157455536 3,013 AQUILA SOUTHWEST MARKETING, L.P. 1/1/1998
003048738 801,085 AQUILA STORAGE AND TRANSPORTATION, L.P. 12/1/2000
006966055 801,414 AQUILA, INC. 3/1/2003
146240937 802,891 ARAGON OIL COMPANY, L.L.C. 4/1/2004
T00003081 3,081 ARAN ENERGY CORPORATION 2/1/1999
T00800465 800,465 ARANSAS PETROLEUM CO. 2/1/1999
803154574 802,771 ARAPAHO COMMUNICATIONS, INC 1/1/2003
883489593 800,614 ARAXAS ENERGY CORPORATION 10/1/1996
T00003085 3,085 ARBCO INC 2/1/1999
808344766 800,611 ARCADIA ENERGY CORPORATION 10/1/1996
001307586 800,884 ARCHER DANIELS MIDLAND COMPANY 3/1/1999
806136417 803,942 ARCLIGHT ENERGY MARKETING, LLC 9/1/2007
037765781 3,140 ARCO OIL & GAS COMPANY 2/1/1999
119309909 801,133 ARENA ENERGY, LLC 9/1/2001
131086030 802,823 ARENA OFFSHORE, LLC 7/1/2003
180450975 804,061 ARIES OPERATING LP 6/1/2008
118638142 804,006 ARK-LA-TEX ENERGY, LLC 6/1/2008
T00003197 3,197 ARMOUR RESOURCE HOLDINGS LTD 2/1/1999
123787249 802,855 AROC (TEXAS), INC. 11/1/2003
787434687 800,350 ARROW MEASUREMENT INC. (CXY) 8/1/1994
101655608 803,847 ASCENT OPERATING, LP 5/1/2006
193580115 3,245 ASHER RESOURCES, LLP 4/1/1994
188758874 3,290 ASHLAND EXPLORATION INC 5/1/1993
T00003295 3,295 ASHLAND GAS MARKETING INC 2/1/1999
616761458 3,312 ASHLAND PETROLEUM, DIV. OF ASHLAND INC. 1/1/1999
042417030 3,299 ASHLAND TOWN OF MISS 5/1/1993
005003264 800,833 ASHLANDCHEM.ENERGYSVCS.DIV.OFASHLANDINC. 7/1/1998
556221844 3,301 ASHLAWN ENERGY INC 1/1/1999
187570890 3,370 ASHTON ENERGY CO 1/1/1999
867733735 802,925 ASPECT ENERGY, LLC 9/1/2004
054077672 801,651 ASSOCIATED ELECTRIC COOPERATIVE, INC. 12/1/2003
178564183 3,393 ASSOCIATED NATURAL GAS INC 1/1/1999
101985930 801,191 ASTORIA GENERATING CO. L.P. 5/1/2002
807094305 801,184 ATASCA RESOURCES, INC. 4/1/2002
T00800477 800,477 ATCHAFALAYA MEASUREMENT INC. 2/1/1999
T00003451 3,451 ATG ENVIRONMENTAL RESOURCES INC 2/1/1999
077656221 800,026 ATHENS ALABAMA UTILITY CITY OF 5/1/1993
789351640 3,478 ATHENS TENNESSEE UTILITIES BOARD 5/2/1993
006924708 3,595 ATLANTA GAS LIGHT CO 5/1/1993
945433118 800,604 ATLANTA GAS LIGHT SERVICES, INC. 4/7/1998
783026453 3,625 ATLAS GAS MARKETING INC 5/1/1993
540802759 802,759 ATLAS PIPELINE PENNSYLVANIA LLC 12/1/2002
622316842 113,630 ATLAS PRODUCTION SERVICE 5/1/1993
038960944 3,627 ATLAS RESOURCES INC 5/1/1993
108203241 3,630 ATMOS ENERGY CORPORATION 5/1/1993
T00154500 154,500 ATMOS ENERGY CORPORATION (KY) 10/1/2002
613205723 149,900 ATMOS ENERGY CORPORATION (LA) 4/25/2005
006964415 135,100 ATMOS ENERGY CORPORATION (MS) 4/1/2005
093153468 150,600 ATMOS ENERGY CORPORATION (TN) 10/1/2002
128507998 131,750 ATMOS ENERGY MARKETING (LA) 5/1/2005
835705831 96,567 ATMOS ENERGY MARKETING, LLC 10/2/2003
826183287 800,628 ATP OIL & GAS CORPORATION 12/1/1996
131717837 3,649 AUBURN ENTERPRISES INC 5/1/1993
T00101750 101,750 AUGUSTINE, MAURICE 2/1/1999
930875104 801,071 AURES ENERGY, L.L.C. 3/15/2001
805610482 800,242 AURORA NATURAL GAS, LLC 9/15/1995
124540944 802,792 AUX SABLE LIQUID PRODUCTS LP 3/1/2003
008256364 800,047 AVERY DENNISON CORPORATION 9/1/2001
015180698 800,760 AVISTA ENERGY, INC. 10/1/1997
121422893 3,840 AVIVA AMERICA INC 5/1/1993
T00003920 3,920 B & P OIL COMPANY 2/1/1999
137573796 3,929 B T OPERATING COMPANY 5/1/1993
006461206 800,647 B.E.P. PARTNERS 1992 #1 1/1/1999
540803986 803,986 BABY OIL, INC 2/1/2008
T00008850 8,850 BACA EXPLORATION INC 2/1/1999
075080978 3,943 BADGER OIL CORPORATION 12/1/1998
T00003938 3,938 BAKER, HAROLD D 2/1/1999
137022034 102,250 BALDWYN CITY OF 5/1/1993
128883142 804,051 BALLARD NATURAL GAS, LLC 3/1/2009
932446388 4,015 BALTIMORE GAS AND ELECTRIC COMPANY 5/1/1993
T00800708 800,708 BANKERS TRUST COMPANY 2/1/1999
210021531 802,980 BARCLAYS BANK PLC 4/1/2005
623556714 804,039 BARCLAYS CAPITAL ENERGY INC 1/1/2009
T00800596 800,596 BARGO ENERGY COMPANY 2/1/1999
T00801064 801,064 BARRETT BROTHERS OIL & GAS, INC. 8/1/2000
789429115 800,796 BASIN EXPLORATION, INC. (DELAWARE) 1/1/1998
008948440 800,835 BASS ENTERPRISES PRODUCTION CO. 7/1/1998
008046245 5,500 BASS, PERRY R TRUSTEE 5/1/1993
086941077 102,500 BATESVILLE CITY OF 5/1/1993
069340214 102,700 BAY STATE GAS COMPANY 2/1/1999
614875115 803,857 BAYOU CITY EXPLORATION, INC 7/1/2006
102655560 102,550 BAYOU INTERSTATE PIPELINE SYSTEM 5/1/1993
797177201 67,100 BAYOU INTRASTATE GAS COMPANY 5/15/1997
110831344 800,763 BAYOU PIPELINE COMPANY 11/1/1998
540803023 803,023 BBPC, LLC D/B/A ENHANCED ENERGY SERVICES 11/1/2005
965863715 802,852 BBPC, LLC D/B/A GREAT EASTERN ENERGY 10/1/2003
808164859 802,322 BEACON PETROLEUM MANAGEMENT, INC. 5/1/2003
108329079 801,114 BEAR CREEK STORAGE COMPANY 5/1/2001
608461807 803,022 BEAR ENERGY LP 4/6/2006
T00102750 102,750 BECK, D W 2/1/1999
T00102800 102,800 BECKENDORFF, MELTON (MR) 2/1/1999
879439719 801,005 BEDFORD COUNTY UTILITY DISTRICT 6/15/2004
T00007000 7,000 BEEM OIL AND GAS INC 2/1/1999
052628984 801,059 BELCO ENERGY CORP. 8/1/2000
T00800631 800,631 BELCO OPERATING CORPORATION 2/1/1999
066054776 7,062 BELDEN & BLAKE CORPORATION 5/1/1993
004468690 801,193 BELDEN BRICK COMPANY, THE 7/1/2002
804896645 7,081 BENDER ENERGY INC. 5/1/1993
T00007087 7,087 BENGAIL, INC. 2/1/1999
120830997 800,271 BENJAMIN SCHLESINGER AND ASSOCIATES, INC 9/1/2001
T00103000 103,000 BENOIT, J H (MR) 2/1/1999
148565443 802,838 BENTEK ENERGY LLC 9/1/2003
006955587 103,250 BERKSHIRE GAS COMPANY THE 5/1/1993
048259027 800,911 BERKSHIRE POWER COMPANY, L.L.C. 4/1/1999
784112588 803,869 BERYL OIL AND GAS LP 5/23/2007
621834576 804,016 BERYL RESOURCES LP 8/1/2008
T00007135 7,135 BETA OPERATING 2/1/1999
001339092 7,155 BETHLEHEM STEEL CORPORATION 12/17/2001
057027021 800,776 BETTIOL FUEL SERVICE, INC. 11/1/1997
043806595 7,200 BETTIS, BOYLE & STOVALL INC 5/1/1993
133587258 804,033 BEUSA ENERGY, INC. 11/1/2008
148565419 800,469 BEXCO OPERATING, INC. 6/1/1995
621216428 803,055 BG ENERGY MERCHANTS, LLC 3/1/2006
031219129 802,807 BG LNG SERVICES, LLC 6/1/2003
006783021 8,170 BHP BILLITON PETROLEUM (AMERICAS) INC. 9/27/2001
T00008172 8,172 BIENVILLE GAS MARKETING INC 2/1/1999
004780763 8,000 BIG 6 DRILLING COMPANY 5/1/1993
005778985 803,008 BIG APPLE ENERGY, LLC 10/1/2005
958828923 802,881 BIG LAKE CORPORATION 3/1/2004
143635113 802,876 BIG RIVER RESOURCES, LLC 3/1/2004
T00354540 354,540 BIG SANDY GAS CORPORATION 2/1/1999
026640946 28,080 BILL FENN INCORPORATED 6/15/2004
012643763 8,160 BILL H. PEARL PRODUCTION INC 5/1/1993
007938004 8,305 BIRDWELL OIL COMPANY 6/1/1997
020802232 802,942 BISHOP ENERGY SERVICES, LLC 12/1/2004
098881634 801,122 BISHOP PETROLEUM INC. 7/1/2001
T00103270 103,270 BISHOP PIPELINE CORP 2/1/1999
035638993 801,021 BISON ENERGY PARTNERS, INC. 3/1/2000
012051697 804,002 BLACK ELK ENERGY OFFSHORE OPERATIONS, LL 5/1/2008
808787659 800,219 BLACK HILLS ENERGY RESOURCES, INC. 12/1/1998
166766985 802,918 BLACKHAWK RESOURCES LLC 9/1/2004
009808379 103,500 BLACKSTONE GAS CO 1/1/1999
131683799 8,899 BLACKWATER NATURAL GAS CORP 5/1/1993
065053048 802,993 BLAKENERGY, LTD. 7/1/2005
098423106 8,790 BLEDSOE ENERGY CORPORATION 5/1/1993
T00018902 18,902 BLUEGRASS ENERGY GROUP INC. 2/1/1999
614844186 803,998 BLUEROCK ENERGY, INC 4/1/2008
065093965 8,901 BOCK AND BACON INC 5/1/1993
T00800941 800,941 BOIS D'ARC OFFSHORE LTD 7/1/1999
T00008887 8,887 BOIS D'ARC OPERATING CORPORATION 2/1/1999
030418982 104,000 BOLIVAR CITY OF 5/1/1993
T00800889 800,889 BOMAR OIL & GAS 4/1/1999
T00104250 104,250 BON AIR RANCH 2/1/1999
605952183 104,500 BOONEVILLE MUNICIPAL GAS SYSTEM 12/1/1998
T00008904 8,904 BORDEN INCORPORATED 9/1/2001
135050420 802,858 BORDER ENERGY, INC. 11/1/2003
T00008906 8,906 BORDER GAS INC. 2/1/1999
171945806 802,943 BOSS ENERGY, LTD. 12/1/2004
006951552 8,912 BOSTON EDISON CO 5/1/1993
006951586 104,650 BOSTON GAS CO 5/1/1993
T00008929 8,929 BOUDREAUX, MARTIN J SR 2/1/1999
556731487 8,919 BOUNDARY GAS INC. 5/1/1993
012291704 8,943 BOWATER INC 5/1/1993
107275026 8,950 BOYD ROSENE AND ASSOCIATES INC 5/1/1993
T00800093 800,093 BP AMERICA 2/5/2004
034482679 2,233 BP AMERICA PRODUCTION COMPANY 12/31/2001
200773919 800,072 BP CANADA ENERGY COMPANY 8/14/2002
248799413 801,159 BP CANADA ENERGY MARKETING CORP. 1/1/2002
625275755 2,234 BP ENERGY COMPANY 8/22/2000
T00008942 8,942 BP EXPLORATION & OIL INC 2/1/1999
T00008960 8,960 BP GAS MARKETING 2/1/1999
T00008962 8,962 BP GAS TRANSMISSION CO. 2/1/1999
802078287 8,967 BP GAS, INC 5/1/1993
069736239 9,250 BRAMMER ENGINEERING 5/1/1993
087672564 9,252 BRAMMER PETROLEUM INC. 10/1/1993
174063735 9,480 BRAYTON OIL & GAS 5/1/1993
009763389 802,883 BRAYTON OPERATING CORP 3/1/2004
T00009990 9,990 BREHM INVESTMENT GROUP INC 2/1/1999
T00009980 9,980 BREHM-BASIN PETROLEUM 2/1/1999
T00010008 10,008 BRIDGE OIL COMPANY 2/1/1999
126335640 104,780 BRIDGELINE GAS DISTRIBUTION LLC 3/1/2002
126334858 801,008 BRIDGELINE GAS MARKETING LLC 2/1/2000
T00100013 10,013 BRIDGELINE GAS PIPELINE 2/1/1999
125805478 52,116 BRIDGELINE HOLDINGS, L.P. 2/1/2001
556632909 802,750 BRIDGEPORT UTILITIES BOARD 10/1/2002
T00800864 800,864 BRIGHAM OIL & GAS COMPANY 2/5/2004
791789126 802,747 BRIGHAM OIL & GAS, LP 10/1/2002
T00010098 10,098 BRIGHT & SCHIFF 2/1/1999
360604193 10,156 BRING GAS SERVICES CORP. 10/1/1994
T00010093 10,093 BRISTOL OPERATING CO. INC. 2/1/1999
148319833 10,099 BRISTOL RESOURCES CORPORATION 1/1/1999
621902261 800,223 BRITISH-BORNEO EXPLORATION, INC. 9/1/1993
T00800802 800,802 BROOKLYN UNION-TRANSPORT 2/1/1999
610340275 105,250 BROUSSARD CANAL CO 5/1/1993
079462453 10,279 BROWNING & WELCH INC 5/1/1993
831562178 802,910 BROWNING OFFSHORE, INC. 7/1/2004
788845451 800,732 BROWNING OIL COMPANY, INC. 12/1/1998
003596012 10,289 BRUSCATO LAND & MINERALS INC 12/1/1998
T00800348 800,348 BRYANCY BROMLEY 2/1/1999
048461016 800,910 BSE PRODUCTION CO., INC. 4/1/1999
101326924 802,850 BUCKLEY ENERGY GROUP LTD 10/1/2003
048829899 79,600 BUD'S BOAT DOCK 10/1/1994
T00800711 800,711 BUFFALO PAPERBOARD 2/1/1999
005129614 15,510 BUNGE NORTH AMERICA (EAST), L.L.C. 12/30/2003
006981435 802,871 BUNGE NORTH AMERICA, INC. 1/1/2004
T00010500 10,500 BURK ROYALTY COMPANY 2/1/1999
253885206 800,875 BURLINGTON RESOURCES CANADA MKTING LTD. 7/17/2001
131117566 57,525 BURLINGTON RESOURCES OIL & GAS CO. LP 9/1/2003
175671007 57,527 BURLINGTON RESOURCES TRADING INC. 7/11/1996
T00011096 11,096 BURTON PRODUCTION COMPANY 2/1/1999
037754496 800,052 C C PACE RESOURCES 5/1/1993
809843717 800,237 C&E OPERATING, INC. 9/1/1993
T00012015 12,015 CABOT CORP 2/1/1999
840493712 12,021 CABOT OIL & GAS CORP 5/1/1993
879251437 12,022 CABOT OIL & GAS MARKETING CORPORATION 12/1/1998
T00800426 800,426 CABOT OIL & GAS TRADING CORP. 2/1/1999
T00800530 800,530 CALA OIL 2/1/1999
154076830 12,031 CALCASIEU GAS GATHERING SYSTEM 5/1/1993
540802985 802,985 CALCASIEU REFINING CO. 5/1/2005
161904565 803,844 CALEDONIA ENERGY PARTNERS, LLC 5/1/2006
540802769 802,769 CALEDONIA GENERATING, LLC 1/1/2003
782861884 12,034 CALEDONIA NATURAL GAS DISTRICT 1/1/1999
052780959 800,881 CALEDONIA POWER I, LLC 6/1/2000
T00012036 12,036 CALEDONIA, TOWN OF MISSISSIPPI 2/1/1999
004319810 12,038 CALGON CARBON CORP 5/1/1993
036837615 13,703 CALLON OFFSHORE PRODUCTION INC 1/1/1999
057113318 800,744 CALLON PETROLEUM COMPANY 6/1/2005
938410024 801,065 CALLON PETROLEUM OPERATING COMPANY 8/1/2000
956821201 801,018 CALPINE CORPORATION 3/1/2000
169668212 801,141 CALPINE ENERGY SERVICES L.P. 10/1/2001
605466171 803,036 CALPINE MERCHANT SERVICES COMPANY, INC 1/1/2006
608311486 41,270 CALPINE PRODUCER SERVICES, L.P. 12/31/2001
151158925 802,765 CAMDEN RESOURCES, INC. 1/1/2003
790555689 804,035 CAMERON INTERSTATE PIPELINE, LLC 12/1/2008
248095770 803,025 CANADA IMPERIAL OIL LIMITED 11/1/2005
207668864 13,753 CANADIAN HUNTER EXPLORATION LTD. 12/1/1998
T00800004 800,004 CANADIAN OCCIDENTAL MARKETING INC 1/1/1999
785835810 13,760 CANADIAN OXY OFFSHORE PRODUCTION CO 5/2/1993
249982372 802,861 CANNAT ENERGY INC. 11/1/2003
T00013774 13,774 CANNON OIL & GAS 2/1/1999
131822991 18,030 CANTERA GAS CO. 7/2/2003
004465142 800,370 CANTON DROP FORGE 3/1/2005
T00013789 13,789 CAPITAL GAS DISTRIBUTION INC. 2/1/1999
867541062 13,787 CAPITOL DISTRICT ENERGY CENTER COGEN 5/1/1993
T00106000 106,000 CAPPEL, TOINETTE W 2/1/1999
139234389 13,851 CARDINAL OIL AND GAS 9/1/1993
200586233 801,147 CARGILL GAS MARKETING LTD. 7/2/2003
006249189 800,214 CARGILL, INCORPORATED 7/1/2000
030160006 14,440 CARPENTER OIL & GAS CO 5/1/1993
007924764 14,500 CARR, F. WILLIAM 8/1/1994
142936657 103,750 CARRIERE, LOUIS A 5/1/1993
809837313 800,607 CARRIZO OIL & GAS INC. 10/1/1996
605113521 802,710 CARROLLTON RESOURCES CORP. 9/1/2002
057568255 14,750 CARTER EXPLORATION COMPANY 5/1/1993
785066580 800,571 CARTHAGE ENERGY SERVICES INC. 5/1/1996
053566188 14,815 CASE - POMEROY OIL CORPORATION 10/1/2000
031114705 14,818 CASEY, CITY OF 5/1/1993
108264532 14,829 CASKIDS OPERATING COMPANY 5/1/1993
195221056 800,569 CASTECH ALUMINUM GROUP INC. 5/1/1996
194301529 800,982 CASTEX ENERGY, INC. 11/1/1999
T00801023 801,023 CASTLE OFFSHORE LLC 3/1/2000
T00800625 800,625 CASTLE POWER CORPORATION 2/1/1999
T00800677 800,677 CASTLEMAN CONSULTING COMPANY 2/1/1999
256811431 802,785 CASTLETON POWER, LLC 5/26/2009
830044918 804,058 CATALYST ENERGY, INC. 3/1/2009
005070479 800,001 CATERPILLAR INC 5/1/1993
956976930 800,615 CATEX CORAL ENERGY, L.L.C. 7/1/1996
933253510 14,976 CATEX VITOL GAS, INC. 12/1/1993
004132630 800,829 CATLETTSBURG REFINING LLC 7/1/1998
095642489 800,959 CCGM, L.P. 5/1/2000
022512680 803,896 CDM MAX, LLC 1/1/2007
113006167 800,042 CEDAR ENERGIES INC 5/1/1993
T00800723 800,723 CEDAR GAS COMPANY 2/1/1999
002876985 15,075 CELERON OIL & GAS CO. 8/1/1994
004514840 800,264 CENERPRISE, INC. 1/5/1996
830357377 804,065 CENSTAR ENERGY CORP 4/1/2009
T00800519 800,519 CENTANA INTRASTATE PIPELINE CO. 2/1/1999
148370377 804,075 CENTAURUS ENERGY MASTER FUND, LP 6/1/2009
006968077 135,050 CENTERPOINT ENERGY - MISSISSIPPI RIVER 11/1/2002
782779433 101,250 CENTERPOINT ENERGY ARKLA 9/30/2002
046700779 112,195 CENTERPOINT ENERGY ENTEX 9/13/2002
835687930 800,883 CENTERPOINT ENERGY FIELD SERVICES, INC. 9/30/2002
872670161 64,947 CENTERPOINT ENERGY GAS TRANSMISSION CO 9/13/2002
540800860 800,860 CENTERPOINT ENERGY MARKETING, INC. 5/1/2004
006948210 803,898 CENTERPOINT ENERGY RESOURCES CORP 1/1/2007
838611739 801,192 CENTERPOINT ENERGY SERVICES, INC. 5/13/2005
077643716 106,500 CENTERVILLE TOWN OF 5/1/1993
074155573 802,829 CENTRAL CRUDE, INC. 8/1/2003
099839896 106,750 CENTRAL GAS CO 5/1/1993
006993695 107,000 CENTRAL HUDSON GAS & ELECTRIC CORP 5/1/1993
006935258 107,100 CENTRAL ILLINOIS LIGHT COMPANY 5/1/1993
006936017 15,490 CENTRAL ILLINOIS PUBLIC SERVICE CO 5/1/1993
812647712 802,877 CENTRAL LOMAS DE REAL, S.A. DE C.V. 3/1/2004
094754434 801,152 CENTRAL NEW YORK OIL AND GAS COMPANY,LLC 12/1/2001
063090591 15,500 CENTRAL PRODUCERS INC 5/1/1993
812656259 802,779 CENTRAL VALLE HERMOSO S.A. DE C.V. 2/1/2003
082016361 15,515 CENTRAN CORP 1/1/1999
149339439 803,858 CENTURION EXPLORATION COMPANY 7/1/2006
613760958 800,013 CENTURY EXPLORATION NEW ORLEANS, INC. 12/31/2003
176381614 800,892 CET ENERGY CORPORATION 4/1/1999
075273987 802,972 CHALLENGER MINERALS INC. 4/1/2005
252313002 800,529 CHANDLER ENERGY, INC. 2/1/1999
T00087115 87,115 CHANNEL GAS MARKETING COMPANY 1/15/2004
T00015909 15,909 CHAPARRAL ENERGY INC 2/1/1999
T00015910 15,910 CHAPARRAL TRANSMISSION INC 2/1/1999
024427010 800,893 CHARRO OPERATING LLC 4/1/1999
099743239 802,696 CHARTS LTD 8/1/2002
808079453 15,913 CHASE ENERGY INC 5/1/1993
198402935 107,300 CHATTANOOGA GAS CO 5/1/1993
128245730 803,940 CHAUTAUQUA ENERGY MANAGEMENT, INC. 8/1/2007
613400621 107,298 CHAUTAUQUA ENERGY MARKETING INC 5/2/1993
623358954 803,863 CHENIERE MARKETING, INC. 8/1/2006
103970307 801,083 CHEROKEE NITROGEN, DIV OF EL DORADO CHEM 11/1/2000
155618341 800,021 CHEROKEE WATER AND GAS DEPARTMENT 1/1/1999
148175490 17,896 CHESAPEAKE APPALACHIA, L.L.C. 2/1/2006
102640398 800,252 CHESAPEAKE ENERGY CORPORATION 2/1/1999
809849326 800,555 CHESAPEAKE ENERGY MARKETING, INC. 4/1/1996
601285422 803,049 CHESAPEAKE OPERATING, INC 4/1/2006
798309407 800,061 CHEVRON PIPELINE COMPANY 5/1/1993
009140559 15,920 CHEVRON USA INC. 4/1/2004
002539484 800,501 CHEVRON USA PRODUCTION COMPANY 1/1/1999
071218994 801,106 CHEYENNE PETROLEUM COMPANY 3/1/2001
143363542 802,922 CHEYENNE PLAINS GAS PIPELINE CO., L.L.C. 9/1/2004
540804059 804,059 CHIEF GATHERING LLC 4/1/2009
150436129 115,938 CHOLLA RESOURCES INC. 5/1/1993
107663031 800,908 CHRISTEVE OIL COMPANY 4/1/1999
073905499 800,579 CHROMCAK COMPANY 1/1/1995
783872351 801,148 CHURCHILL ENERGY INC. 11/1/2001
T00800326 800,326 CIBOLA CANADA ENERGY MARKETING CO. 2/1/1999
156959777 800,002 CIBOLA CORPORATION 12/1/2001
046305587 16,000 CICO OIL & GAS COMPANY 5/1/1993
806959677 804,066 CIECO ENERGY (US) LIMITED 4/1/2009
160321378 243,990 CIG MERCHANT COMPANY 10/25/1999
945601599 800,669 CIMA ENERGY, LTD. 7/1/2004
120809749 802,095 CIMAREX ENERGY CO. 4/1/2008
786061655 802,273 CIMAREX ENERGY SERVICES, INC. 5/1/2003
795528876 16,230 CIMARRON GAS TRANSMISSION INC 1/1/1999
540802836 802,836 CINCINNATI GAS & ELECTRIC COMPANY, EMBU 9/1/2003
015453843 800,739 CINERGY CAPITAL & TRADING, INC. 1/1/2007
878075162 801,103 CINERGY TRANSPORTATION LLC 3/1/2001
120813808 802,874 CITADEL ENERGY PRODUCTS LLC 2/1/2004
145184631 803,884 CITIGROUP ENERGY INC. 2/1/2007
007850027 711,020 CITIZENS GAS UTILITY DISTRICT 5/1/1993
949877666 800,803 CITIZENS POWER SALES 3/1/1998
621893148 16,373 CITRUS MARKETING, INC. 5/1/1993
083555839 800,071 CJW CORPORATION 5/1/1993
625383286 16,507 CLARION RIVER GAS COMPANY 1/1/1999
T00107500 107,500 CLARK, GERALD M 2/1/1999
364402685 107,750 CLARKSVILLE GAS DEPT CITY OF 12/1/1998
T00038840 38,840 CLAUD B. HAMILL 2/1/1999
058870445 800,397 CLAYTON WILLIAMS ENERGY, INC. 3/1/2009
095421959 802,755 CLEARWATER ENTERPRISES, L.L.C. 11/1/2002
009305934 800,957 CLECO ENERGY, L.L.C. 9/1/1999
961538246 801,066 CLECO MARKETING & TRADING, LLC 8/1/2000
T00016765 16,765 CLIFFS OIL AND GAS CO. 2/1/1999
799879218 800,894 CLIFFWOOD PRODUCTION CO. 4/1/1999
019339084 16,786 CLIFTON CITY OF TENNESSEE 5/1/1993
075014753 16,790 CLINTON ENERGY MANAGEMENT SERVICES, INC. 12/1/1998
109051870 16,792 CLINTON GAS TRANSMISSION INC 5/1/1993
065082653 800,030 CLN INC 5/1/1993
T00800099 800,099 CMS ENERGY CORPORATION 2/5/2004
965027972 16,954 CMS ENERGY RESOURCE MANAGEMENT COMPANY 2/3/2004
044254886 64,937 CMS NOMECO OIL & GAS COMPANY 1/9/1995
829868921 804,060 CNE GAS SUPPLY, LLC 4/1/2009
T00800382 800,382 CNG MARKET CENTER SERVICES CO. 2/1/1999
T00800324 800,324 CNG/SABINE CENTER 2/1/1999
363703141 17,104 COAST ENERGY GROUP, INC. 5/1/1993
T00017108 17,108 COASTAL FLOW MEASUREMENT CO. 2/1/1999
252301684 800,325 COASTAL GAS MARKETING CANADA 1/1/1999
144234044 17,115 COASTAL GAS MARKETING COMPANY 10/10/2006
003240751 801,022 COASTAL INVESTMENTS INC. 3/1/2000
603953977 800,388 COASTAL POWER PRODUCTION COMPANY 11/1/1994
362950032 17,120 COASTAL STATES GAS TRANSMISSION CO 5/2/1993
043750777 17,305 COCKRELL OIL CORPORATION 5/1/1993
799170154 800,028 CODY ENERGY LLC 2/1/2002
808213367 17,329 COGEN ENERGY TECHNOLOGY LP 5/1/1993
117442020 801,906 COHORT ENERGY COMPANY 10/1/2003
102658226 17,364 COKINOS NATURAL GAS COMPANY 5/1/1993
019373992 108,250 COLLINWOOD CITY OF 12/1/1998
939065520 800,565 COLONIAL ENERGY, INC. 5/1/1996
006954903 132,000 COLONIAL GAS CO 5/1/1993
808376735 800,575 COLONIAL GROUP, INC. 5/1/1996
039855990 801,017 COLONIAL OIL INDUSTRIES, INC. 3/1/2000
144961000 17,450 COLONY PIPELINE CORP 5/1/1993
969673326 800,662 COLUMBIA ENERGY MARKETING CORPORATION 1/1/1999
805191715 800,067 COLUMBIA ENERGY SERVICES 5/1/1993
007944481 108,272 COLUMBIA GAS OF KENTUCKY INC 5/1/1993
008781643 108,275 COLUMBIA GAS OF MARYLAND INC 5/1/1993
004773586 108,280 COLUMBIA GAS OF OHIO INC 5/1/1993
008781668 108,290 COLUMBIA GAS OF PENNSYLVANIA INC 12/1/1998
790377063 17,919 COLUMBIA GAS OF VIRGINIA, INC. 1/16/1998
054748041 17,895 COLUMBIA GAS TRANSMISSION CORPORATION 5/1/1993
007854581 108,300 COLUMBIA GULF TRANSMISSION CO. 5/1/1993
626619618 803,854 COLUMBIA UTILITIES LLC 6/1/2006
007901739 804,049 COLUMBUS SOUTHERN POWER COMPANY 2/1/2009
178569299 800,710 COM/ENERGY MARKETING, INC. 1/1/1999
176343341 803,018 COMMERCE ENERGY, INC. 11/1/2005
120836853 800,265 COMMONWEALTH ALUMINUM CONCAST, INC. 2/1/1999
830119046 800,056 COMMONWEALTH ENERGY SERVICES, INC. 5/1/2000
007814049 17,921 COMMUNITY NATURAL GAS CO., INC. 5/1/1993
779978329 800,409 COMSTOCK NATURAL GAS, INC. 5/1/2000
791527807 17,934 COMSTOCK OIL & GAS INC 9/1/2000
054814132 17,937 COMSTOCK RESOURCES, INC. 2/1/1994
T00800428 800,428 CONAGRA ENERGY SERVICES COMPANY 2/1/1999
540802723 802,723 CONCENTRIC ENERGY ADVISORS, INC. 6/23/2005
136305224 801,113 CONCHO EXPLORATION INC. 4/2/2003
033228870 802,818 CONCHO RESOURCES INC. 7/1/2003
113637503 802,690 CONCORD ENERGY LLC 10/1/2002
008911166 108,500 CONCORD NATURAL GAS CORPORATION 5/1/1993
617591255 803,047 CONCORD NATURAL GAS, LTD. 1/1/2006
T00017940 17,940 CONCORDE GAS GATHERING, INC. 2/1/1999
102666872 152,050 CONDEA VISTA COMPANY 2/1/1997
832447718 802,698 CONE NATURAL GAS MEASUREMENT 8/1/2002
082525226 801,047 CONECTIV ENERGY SUPPLY, INC. 6/1/2000
540803005 803,005 CONNECT ENERGY SERVICES , LLC 9/1/2005
006917090 108,750 CONNECTICUT LIGHT & POWER COMPANY THE 12/1/2001
001139294 109,000 CONNECTICUT NATURAL GAS CORP 5/1/1993
244946596 801,185 CONOCO CANADA LIMITED 4/1/2002
020814307 70,155 CONOCOPHILLIPS COMPANY 12/12/2002
243666950 804,022 CONOCOPHILLIPS CANADA MARKETING & TRADI 10/28/2008
001368265 18,010 CONOCOPHILLIPS COMPANY 3/1/2003
048501100 17,959 CONQUEST EXPLORATION CO. 5/1/1993
006982359 109,250 CONSOLIDATED EDISON CO OF NEW YORK INC 5/1/1993
048942564 801,058 CONSOLIDATED EDISON ENERGY INC. 8/1/2000
809887904 800,258 CONSOLIDATED EDISON SOLUTIONS, INC. 5/1/2000
T00017956 17,956 CONSOLIDATED ENERGY CORP 2/1/1999
613523117 17,961 CONSOLIDATED FUEL CORP 2/1/1999
T00800479 800,479 CONSOLIDATED GAS MARKETING, INC. 2/1/1999
T00202890 202,890 CONSOLIDATED GAS SUPPLY CORP 2/1/1999
T00109500 109,500 CONSOLIDATED GAS TRANSMISSION CORP 2/1/1999
876751835 800,226 CONSOLIDATED HYDROCARBONS, INC. 10/1/1993
206464018 800,104 CONSOLIDATED NATURAL GAS 1/1/1999
015635220 801,098 CONSTELLATION ENERGY COMMODITIES GRP INC 11/1/2004
101474732 800,427 CONSTELLATION ENERGY SOURCE, INC. 1/3/1997
141092333 800,634 CONSTELLATION NEW ENERGY - GAS DIV. LLC 4/1/2004
177556206 46,788 CONSTELLATION NEWENERGY-GAS DIVISION WI 3/15/2004
135833023 804,029 CONTANGO OPERATORS, INC. 11/1/2008
T00018004 18,004 CONTINENTAL ENERGY MARKETING INC 2/1/1999
074292095 800,507 CONTINENTAL RESOURCES INC. 11/1/1995
010411429 18,045 CONTRAN CORP 5/1/1993
957412570 18,072 COOKEVILLE GAS DEPT, CITY OF 12/1/1998
T00800684 800,684 COOPERATIVE INDUSTRIES, L.L.C. 2/1/1999
944552231 800,751 COPANO FIELD SVCS/UPPER GULF COAST L.P. 9/1/1997
002150493 804,063 COPANO PIPELINE/UPPER GULF COAST 4/1/2009
251947628 801,124 CORAL CANADA US INC. 7/1/2001
113346550 802,761 CORAL ENERGY MANAGEMENT, LLC 12/1/2002
177691953 3,931 CORDEX PETROLEUMS INC. 10/26/1994
150489151 109,750 CORINTH PUBLIC UTILITIES COMMISSION 5/1/1993
T00018385 18,385 CORN & ASSOCIATES 2/1/1999
114371912 802,935 CORNERSTONE ENERGY, INC. 10/1/2004
787146968 26,425 CORNERSTONE GAS RESOURCES, INC. 3/1/1994
087309027 18,397 CORNERSTONE NATURAL GAS COMPANY 5/1/1993
196569420 18,395 CORNERSTONE PRODUCTION CORP 5/1/1993
073683799 800,262 CORNING HOSPITAL 1/1/1994
781552153 18,398 CORNING INC 5/1/1993
002877231 18,400 CORNING NATURAL GAS CORP 5/2/1993
832356252 803,855 CORONADO ENERGY E & P COMPANY, L.L.C. 9/27/2007
T00208650 208,650 CORONADO TRANSMISSION CO 2/1/1999
T00109780 109,780 CORPUS CHRISTI GAS GATHERING INC 2/1/1999
803095272 18,651 CORPUS CHRISTI GAS MARKETING, LP 5/1/1993
T00800606 800,606 CORPUS CHRISTI NATURAL GAS COMPANY 2/1/1999
T00018652 18,652 CORPUS CHRISTI OIL & GAS CO. 2/1/1999
783299803 18,654 CORPUS CHRISTI TRANSMISSION COMPANY L.P. 5/1/1993
037225844 802,837 CORUM PRODUCTION COMPANY 9/1/2003
929866911 800,733 COSTILLA ENERGY, INC. 1/6/1997
T00800525 800,525 COUNCE NATURAL GAS CORPORATION 2/1/1999
T00018693 18,693 COWBOY PIPELINE COMPANY 2/1/1999
791182215 18,694 COWBOY PIPELINE SERVICE COMPANY 9/1/2001
084831395 18,756 COX & PERKINS EXPLORATION INC. 5/1/1993
T00018750 18,750 COX, WILLIAM H 2/1/1999
112710876 801,015 CPN CENTRAL FUELS, L.P. 3/1/2000
092178032 802,801 CRAFTMASTER MANUFACTURING, INC. 4/1/2003
053455242 411,970 CRANBERRY PIPELINE CORP 5/1/1993
189040954 803,919 CREDIT SUISSE ENERGY LLC 5/1/2007
249050816 800,236 CRESTAR ENERGY 11/1/1993
254169089 801,028 CRESTAR ENERGY MARKETING CORP. 4/1/2000
540802791 802,791 CRETE ENERGY VENTURE, LLC 2/1/2003
804411895 804,024 CRIMSON EXPLORATION OPERATING, INC. 10/1/2008
789966017 18,790 CROFT PRODUCTION SYSTEMS, INC. 9/1/1993
077912897 18,793 CROSBY-MISSISSIPPI RESOURCES LTD 5/1/1993
183177559 802,027 CROSS TIMBERS ENERGY SERVICES, INC. 10/1/2002
878636729 800,627 CROSSTEX ENERGY SERVICES, L.P. 12/10/2002
785881392 52,112 CROSSTEX LIG, LLC 4/4/2004
540802860 802,860 CROSSTEX MISSISSIPPI IND GAS SALES LP 11/1/2003
540802862 802,862 CROSSTEX MISSISSIPPI PIPELINE, L.P. 12/1/2003
968755165 801,135 CROSSTEX PROCESSING SERVICES, LLC 10/31/2005
129653858 800,998 CROWN ENERGY SERVICES, INC. 9/1/2001
006948350 18,860 CRYSTAL OIL COMPANY 5/1/1993
540802788 802,788 CSV HOLDINGS, INC. 2/1/2003
T00018870 18,870 CSX INTRASTATE GAS CO 2/1/1999
T00018875 18,875 CSX NGL CORPORATION 2/1/1999
T00011350 11,350 CSX OIL & GAS CORP 2/1/1999
884674110 800,423 CUATRO PETRO CORP. 2/22/1995
T00800688 800,688 CUBIC POWER CORP. 2/1/1999
046757332 110,250 CUMBERLAND GAS COMPANY 1/1/1999
055129258 804,031 CUMMINS & WALKER OIL COMPANY, INC. 12/1/2008
139324586 803,843 CYPRESS E & P CORPORATION 5/1/2006
876543695 800,240 CYPRESS GAS MARKETING COMPANY 10/1/1993
050898139 800,218 CYPRESS GAS PIPELINE, LLC 1/29/1998
102392623 802,796 CYPRESS OIL COMPANY, INC 3/1/2003
139242473 193,001 CYPRESS OPERATING, INC. 2/1/1996
T00009100 9,100 D H BRAMAN, JR 2/1/1999
181813239 20,096 DALE OPERATING COMPANY 3/1/1996
T00800437 800,437 DALLAS EXPLORATION INC. 2/1/1999
T00800895 800,895 DAMIAN OIL, INC. 4/1/1999
044769651 43,511 DAN A. HUGHES COMPANY 2/1/1996
151739802 20,405 DANEX ENERGY COMPANY 5/1/1993
T00020420 20,420 DANIELS CORP THE 2/1/1999
789515764 20,496 DARTMOUTH POWER ASSOCIATES L.P. 5/1/1993
T00020578 20,578 DAVIS GAS PROCESSING, INC. 2/1/1999
T00020600 20,600 DAVIS OIL COMPANY 2/1/1999
189047574 800,349 DAWSON NATURAL GAS SERVICE, INC. 8/1/1994
194107165 802,711 DAWSON RESOURCES INC. 9/1/2002
962866745 20,658 DAYTON POWER & LIGHT 5/1/1993
143605025 803,913 DB ENERGY TRADING, LLC 5/1/2007
161810031 20,661 DBL DRILLING & PRODUCTION SERVICES 5/1/1993
102662590 86,330 DCP GUADALUPE PIPELINE, LLC 1/1/2007
125638648 801,003 DCP HINSHAW PIPELINE, LLC 12/11/2006
068318505 800,921 DCP INTRASTATE NETWORK, LLC 12/11/2006
003048753 800,584 DCP MIDSTREAM, LP 11/8/2006
187508338 20,680 DEBLIN OIL & GAS INC 5/1/1993
794307686 20,685 DECATUR ALABAMA CITY OF 5/1/1993
609974266 800,379 DEEPTECH INTERNATIONAL, INC. 10/1/1994
130957546 802,895 DEEPWATER GATEWAY, L.L.C. 5/1/2004
006933543 20,734 DEKALB ENERGY CANADA LTD 5/1/1993
617507137 803,864 DELCO OPERATING COMPANY, L.P. 8/1/2006
T00800006 800,006 DELHI GAS MARKETING CORPORATION 2/1/1999
006918882 110,280 DELMARVA POWER & LIGHT CO 5/1/1993
043898092 802,787 DELPHI CORPORATION 2/1/2003
940015761 803,981 DELPHI OIL, INC. 2/1/2008
142911085 802,914 DELTA ENERGY LLC 8/1/2004
T00020876 20,876 DELTA EXPLORATION CO. 2/1/1999
007779408 110,500 DELTA NATURAL GAS COMPANY INC 5/1/1993
131123457 20,873 DELTA PIPELINE CO 5/1/1993
540802955 802,955 DENALI OIL & GAS MANAGEMENT, LLC 1/1/2005
835039132 801,130 DENBURY ENERGY SERVICES, INC. 8/1/2001
007871044 801,439 DENBURY OFFSHORE, INC. 10/1/2002
141939244 802,873 DENBURY ONSHORE, LLC 1/1/2004
061052986 800,270 DENBURY RESOURCES, INC. 11/1/2002
068070440 20,905 DENOVO OIL & GAS INC 5/1/1993
967996646 800,624 DESOTO ENERGY MARKETING, LLC 2/1/1999
157485244 20,925 DESOTO PIPELINE COMPANY INC 5/1/1993
008527889 800,857 DESTIN PIPELINE COMPANY, L.L.C. 11/1/1998
196394956 803,061 DEVLAR ENERGY MARKETING, LLC 4/1/2006
611935602 61,453 DEVON GAS SERVICES, L.P. 2/14/2002
088003756 69,363 DEVON ENERGY PRODUCTION COMPANY, L.P. 7/1/2000
005088856 800,955 DEVON GAS SERVICES, L.P. 2/14/2002
144498599 28,506 DEVON LOUISIANA CORPORATION 7/3/2003
007923683 74,415 DEVON SFS OPERATING, INC. 11/19/2003
186067286 800,212 DEWBRE PETROLEUM CORPORATION 5/1/1993
198653024 20,966 DIAMOND ENERGY INC 5/1/1993
T00020970 20,970 DIAMOND SHAMROCK EXPLORATION CO 2/1/1999
T00020974 20,974 DIAMOND SHAMROCK NATURL GAS MARKETING CO 2/1/1999
064204878 20,977 DIASU OIL & GAS COMPANY INC 10/1/2001
606638435 35,180 DICKSON GAS AUTHORITY 5/2/1993
131502309 800,524 DIRECT ENERGY MARKETING INC. 5/1/2004
247030505 21,595 DIRECT ENERGY MARKETING LTD 12/1/1998
152358441 804,041 DIRECT ENERGY SERVICES, LLC 1/1/2009
879354348 21,600 DIRECT GAS SUPPLY CORPORATION 5/1/1993
540802929 802,929 DISCOVERY GAS TRANSMISSION LLC 9/1/2004
056010648 22,180 DISTRIGAS OF MASSACHUSETTS LLC 7/10/2000
007416993 22,200 DIVERSE GP II 5/1/1993
792241804 22,201 DIVERSE GP III 5/1/1993
622134021 800,734 DLB OIL & GAS, INC. 7/1/1997
001338086 800,523 DOE RUN GAS TRANSMISSION COMPANY 12/1/1998
540802700 802,700 DOMINION EAST OHIO GAS 8/1/2002
040422193 802,885 DOMINION ENERGY MARKETING, INC. 3/1/2004
074992967 17,100 DOMINION EXPLORATION & PRODUCTION, INC. 10/1/2000
023639961 801,129 DOMINION FIELD SERVICES, INC. 6/1/2003
179699913 803,989 DOMINION GAS VENTURES, LP 3/1/2008
099550469 129,442 DOMINION OKLAHOMA TEXAS EXPL & PROD, INC 11/2/2001
791953821 22,422 DOMINION PIPELINE CO. 8/1/1994
129911954 800,836 DOMINION RETAIL, INC. 9/5/2000
102698040 22,423 DOMINION TRADING AND TRANSPORT COMPANY 1/1/1999
116025180 17,107 DOMINION TRANSMISSION, INC. 4/11/2000
T00800786 800,786 DOUBLE EAGLE PETROLEUM CORP. 2/1/1999
172958969 800,670 DOUGLAS PIPELINE COMPANY 1/1/1999
039523980 23,513 DOW CHEMICAL COMPANY 8/1/1994
196072615 111,150 DOW INTRASTATE GAS CO 5/1/1993
060718723 111,200 DOW PIPELINE CO 5/1/1993
T00800109 800,109 DPL INC. 2/1/1999
027403687 801,041 DRD OPERATING COMPANY 6/1/2000
T00111220 111,220 DREXEL OIL & GAS COMPANY 2/1/1999
040850653 800,832 DTE - COENERGY, L.L.C. 7/1/1998
179989231 800,351 DTE ENERGY TRADING, INC. 11/1/2005
T00801181 801,181 DUKE ENERGY ENTERPRISE, LLC 4/1/2002
197296999 93,105 DUKE ENERGY FUELS, L.P. 4/15/1999
T00801076 801,076 DUKE ENERGY GAS TRANSMISSION 11/1/2000
006944672 92,099 DUKE ENERGY KENTUCKY, INC 10/1/2006
113932268 802,827 DUKE ENERGY MARKETING AMERICA, LLC 8/1/2003
253304166 801,026 DUKE ENERGY MARKETING LTD PARTNERSHIP 4/1/2000
622377393 803,853 DUKE ENERGY OHIO, INC. 10/1/2006
006999189 16,300 DUKE ENERGY OHIO, INC. (REGULATED) 9/19/2006
947436333 800,658 DUKE ENERGY TRADING AND MARKETING, L.L.C 1/1/1999
T00801034 801,034 DUKE ENERGY VERMILLION, LLC 5/1/2000
122793953 800,759 DUNCAN ENERGY COMPANY 10/1/1997
781757760 801,190 DUNCAN OIL, INC 5/1/2002
039717082 801,166 DUNHILL RESOURCES, INC. 2/1/2002
796936599 711,350 DUNLAP GAS SYSTEM 12/1/1998
958375735 800,568 DUVAL GAS GATHERING CORP. 5/1/1996
055014393 23,560 DYNAMIC EXPLORATION, INC. 8/1/1994
149362415 802,896 DYNAMIC OFFSHORE RESOURCES NS, LLC 7/17/2008
253875793 803,903 DYNEGY CANADA INC. 2/1/2007
800778594 804,034 DYNEGY GAS IMPORTS, LLC 12/1/2008
611767658 63,326 DYNEGY GAS TRANSPORTATION, INC. 6/26/1998
137619136 63,921 DYNEGY MARKETING AND TRADE 7/7/1998
T00111300 111,300 E I DU PONT CO 2/1/1999
789896875 800,063 E I DU PONT DE NEMOURS 1/1/1999
835490418 800,581 E PRIME INC. 7/1/1996
T00023724 23,724 EAGLE CONSULTING SERVICES 2/1/1999
194669636 23,725 EAGLE ENERGY DEVELOPMENT COMPANY 3/29/1999
253704027 802,981 EAGLE ENERGY MARKETING CANADA, L.P. 4/30/2005
130385763 802,799 EAGLE ENERGY PARTNERS I, L.P. 4/1/2003
T00801013 801,013 EAGLE G. M. COMPANY 3/1/2000
128182727 803,850 EAGLE ROCK OPERATING, L.P. 6/1/2006
825245686 803,997 EAST COAST POWER, LLC 4/1/2008
007779416 800,389 EAST KENTUCKY POWER COOPERATIVE INC. 11/1/1994
107327876 804,025 EAST RESOURCES, INC. 11/1/2008
007921323 111,750 EAST TENNESSEE NATURAL GAS COMPANY 5/1/1993
948535265 804,040 EAST TEXAS ELECTRIC COOPERATIVE, INC. 1/1/2009
174945659 24,801 EAST TEXAS GAS SYSTEMS 12/1/1998
619242902 124,804 EASTERN MARKETING CORPORATION 5/1/1993
186126777 24,799 EASTERN NATURAL GAS COMPANY 9/1/1998
076798925 800,375 EASTERN STATE OIL & GAS 10/1/1994
T00024814 24,814 EASTEX ENERGY INC. 2/1/1999
184045789 24,804 EASTEX HYDROCARBONS INC, DIV. OF EL PASO 7/16/1996
867179665 24,816 EASTMAN CHEMICAL CO 5/1/1993
968027565 802,816 ECORP ENERGY MARKETING, LLC 7/1/2003
130252992 803,910 EDGE PETROLEUM CORPORATION 5/1/2007
016573375 800,822 EDINBURG ENERGY L.P. 6/1/1998
054420773 24,832 EDISTO RESOURCES CORPORATION 5/1/1993
122375892 69,830 EEX CORPORATION 10/1/1998
T00800447 800,447 EGAN GAS STORAGE COMPANY 2/1/1999
835460478 800,489 EGAN HUB STORAGE, LLC 12/31/2003
029514077 802,945 EL PASO CORPORATION 1/5/2005
615371312 803,051 EL PASO E&P COMPANY, L.P. 2/1/2006
102695421 802,864 EL PASO ENERGY RATON CORPORATION 1/30/2004
062883079 800,993 EL PASO FIELD OPERATIONS COMPANY 2/20/2001
196950158 36,565 EL PASO FIELD SERVICES HOLDING COMPANY 1/31/2004
837495894 800,742 EL PASO FIELD SERVICES, L.P. 12/31/2000
796907673 800,690 EL PASO GAS MARKETING COMPANY 5/1/2000
T00800797 800,797 EL PASO GAS SERVICES COMPANY 5/1/2000
051776169 86,880 EL PASO MARKETING, L.P. 6/1/2005
253289748 800,843 EL PASO MERCHANT ENERGY CANADA INC. 6/21/2000
008001703 112,050 EL PASO NATURAL GAS COMPANY 5/1/2000
069938988 800,812 EL PASO OFFSHORE GATHERING &TRANSMISSION 5/1/2000
059343772 80,730 EL PASO PRODUCTION COMPANY 10/27/1999
097622005 97,520 EL PASO PRODUCTION GOM INC. 10/27/1999
074203266 17,118 EL PASO PRODUCTION OIL & GAS COMPANY 3/9/2001
093573038 2,423 EL PASO PRODUCTION OIL & GAS USA, L.P. 12/31/2003
008789468 800,816 EL REGALO OPERATING 5/1/1998
878252543 800,522 ELAND ENERGY, INC. 12/1/1995
T00024852 24,852 ELF AQUITAINE PETROLEUM 1/31/2004
048908040 24,850 ELF AQUITAINE, INCORPORATED 5/1/1993
005608732 111,850 ELIZABETH NATURAL GAS, INC. 12/1/1998
623319431 112,000 ELIZABETHTOWN GAS CO 5/1/1993
363282422 803,024 ELK CITY OKLAHOMA PIPELINE, LTD 11/1/2005
007839772 24,856 ELK RIVER PUBLIC UTILITY DISTRICT 5/2/1993
617375605 802,870 ELLIOTT OIL & GAS COMPANY 1/1/2004
939872982 802,878 ELLORA ENERGY INC. 3/1/2004
116040163 26,649 ELYSIUM ENERGY, L.L.C. 12/1/2000
T00800282 800,282 EMBASSY NATURAL GAS 2/1/1999
101069263 802,694 EMERA ENERGY SERVICES INC. 8/1/2002
058582227 800,903 EMPIRE ENERGY, LTD. 4/1/1999
603993189 26,065 EMPIRE NATURAL GAS CORPORATION 11/1/1996
006451764 801,108 ENA UPSTREAM COMPANY LLC 7/31/2002
246667372 802,844 ENBRIDGE GAS DISTRIBUTION INC. 9/1/2003
039664953 801,566 ENBRIDGE GAS SERVICES (U.S.) INC. 5/1/2004
800442761 1,615 ENBRIDGE MARKETING (U.S.) L.P. 11/1/2003
070268537 60,002 ENBRIDGE MIDCOAST ENERGY, INC. 5/11/2001
018641089 801,029 ENBRIDGE OFFSHORE PIPELINES (SEACREST) 5/1/2000
T00801174 801,174 ENBRIDGE PIPELINE EAST TEXAS LP 3/1/2002
006900773 100,250 ENBRIDGE PIPELINES (ALATENN) L.L.C. 10/11/2002
832197169 801,182 ENBRIDGE PIPELINES (BAMAGAS INTRASTATE) 4/1/2002
122080047 109,850 ENBRIDGE PIPELINES (LA INTRASTATE) INC. 9/27/2001
057111270 134,670 ENBRIDGE PIPELINES (MIDLA) L.L.C. 10/11/2002
621916535 87,113 ENBRIDGE PIPELINES (TENNESSEE RIVER) LLC 10/11/2002
015816390 802,947 ENBRIDGE PIPELINES (TEXAS INTRASTATE) LP 12/1/2004
078823262 802,851 ENBRIDGE PROCESSING (MISSISSIPPI) L.L.C. 10/1/2003
605902774 800,055 ENCANA ENERGY SERVICES, INC. 4/8/2002
147350552 800,779 ENCANA MARKETING (USA) INC. 12/1/2006
020126509 800,050 ENCINA GAS MARKETING COMPANY, LLC 6/1/2000
161802475 26,401 ENCINA TRANSMISSION CO. 1/1/1999
804405017 800,601 ENERCHANGE, L.L.C. 9/1/1996
556902476 800,263 ENERCORP GAS MARKETING, INC. 1/1/1999
192688851 26,460 ENERGAS CORP 5/1/1993
147871420 801,150 ENERGEN RESOURCES CORPORATION 1/1/2002
097142517 89,552 ENERGEN RESOURCES MAQ, INC. 5/1/1993
625401997 800,813 ENERGETIX, INC. 5/1/1998
858443377 800,876 ENERGY AMERICA, LLC 2/17/1999
615044054 26,470 ENERGY BUYERS SERVICE CORP 5/1/1993
067516260 26,600 ENERGY DEVELOPMENT CORP. 5/1/1993
049737211 96,995 ENERGY EAST SOLUTIONS, INC. 6/1/2000
003592177 800,675 ENERGY EXPRESS, INC. 12/1/1998
153495135 802,938 ENERGY INITIATIVE GROUP, L.P. 11/1/2004
130483324 800,305 ENERGY INITIATIVES, INC. 5/1/1994
943326223 800,335 ENERGY LINK INCORPORATED 8/1/1994
122739308 803,886 ENERGY MANAGEMENT RESOURCES OF MISSOURI 11/1/2006
194740494 26,629 ENERGY MARKETING SERVICES INC 5/1/1993
T00800769 800,769 ENERGY PACIFIC LLC/COMMONWEALTH ENERGY 5/1/2000
023113140 800,940 ENERGY PARTNERS, LTD. 7/1/2003
809904865 800,306 ENERGY RESOURCE TECHNOLOGY, INC. 4/1/1994
041800330 800,872 ENERGY SOLUTIONS, INC. 2/1/1999
075044537 26,597 ENERGY TRANSPORTATION MANAGEMENT INC 1/1/1999
540802941 802,941 ENERGY UPGRADE, INC. 12/1/2004
949568307 800,600 ENERGY USA, INC. 9/1/1996
137242397 802,854 ENERGY VELOCITY 11/1/2003
135905656 802,831 ENERGY XXI GOM, LLC 4/5/2006
071995591 112,070 ENERGYNORTH INC 5/1/1993
194387015 112,069 ENERGYNORTH NATURAL GAS INC 5/1/1993
798835828 803,982 ENERGYSOUTH SERVICES, INC. 2/1/2008
014717834 801,104 ENERGYUSA-APPALACHIAN CORP. 3/1/2001
109014746 148,096 ENERGYUSA-TPC CORP. 7/23/1999
968826933 800,656 ENERGYVISION, LLC 1/1/1999
792928491 112,068 ENERMAX, A DIVISION OF NUKEM INC 1/1/1999
806604682 800,500 ENERSOFT CORPORATION 9/1/1995
135259229 802,832 ENERTEX, LTD. 9/1/2003
928309939 800,496 ENERVAL LLC 4/15/1996
929022069 801,115 ENERVEST OPERATING, LLC 5/1/2001
253996177 801,027 ENGAGE ENERGY CANADA, L.P. 4/1/2000
839667842 801,077 ENGAGE ENERGY, LLC 6/2/2003
080977473 711,060 ENGLEWOOD NATURAL GAS SYSTEM 12/1/1998
095083044 765 ENI PETROLEUM CO. INC. 6/1/2003
171373876 802,977 ENI PETROLEUM EXPLORATION CO. INC. 4/1/2005
605981682 803,934 ENI PETROLEUM US LLC 7/1/2007
058756586 26,616 ENJET, INC. 10/1/2004
042922968 801,089 ENLINE ENERGY SOLUTIONS, L.L.C. 8/1/2007
161418785 26,632 ENMARK GAS CORP. 5/1/1993
730704078 800,114 ENOGEX, INC. 2/5/2004
249496738 800,233 ENRON CANADA CORP. 1/1/1999
006970404 26,618 ENRON CORP 5/1/1993
038918533 800,851 ENRON ENERGY MARKETING CORP. 10/1/2001
004328568 800,806 ENRON ENERGY SERVICES, INC. 3/1/1998
T00026621 26,621 ENRON INDUSTRIAL NATURAL GAS CO 2/1/1999
T00800491 800,491 ENRON LIQUID SERVICES CORP. 2/1/1999
805923935 800,517 ENRON LOUISIANA ENERGY COMPANY 12/1/1995
796947737 112,082 ENRON LOUISIANA TRANSPORTATION 5/1/1993
144805350 801,048 ENRON MW, L.L.C. 6/1/2000
791182710 26,619 ENRON NORTH AMERICA CORP. 9/1/1999
848921276 800,904 ENRON POWER MARKETING, INC. 4/1/1999
011992455 800,914 ENSERCH ENERGY SERVICES TRADING CO. 4/1/1999
957194541 800,612 ENSERCO ENERGY INC. 10/1/1996
142988661 802,924 ENSIGHT ENERGY MANAGEMENT, LLC 9/1/2004
126440168 803,004 ENSTOR OPERATING COMPANY LLC 9/1/2005
961207784 800,868 ENTEK ENERGY, LLC 1/1/1998
007924251 800,745 ENTERGY GULF STATES, INC. 8/1/1997
006947717 804,030 ENTERGY LOUISIANA, LLC 11/1/2008
006964381 61,108 ENTERGY MISSISSIPPI, INC. 1/1/1999
006947824 136,900 ENTERGY NEW ORLEANS, INC. 2/1/1999
T00800652 800,652 ENTERGY POWER INC. 2/1/1999
960450419 800,771 ENTERGY POWER MARKETING CORPORATION, LP 1/26/2001
052524212 800,582 ENTERGY SERVICES, INC. 5/1/2003
801261053 804,055 ENTERGY TEXAS, INC. 3/1/2009
036593481 801,086 ENTERPRISE ALABAMA INTRASTATE 4/2/2006
030524334 800,377 ENTERPRISE FIELD SERVICES, LLC 4/26/2005
135476534 802,978 ENTERPRISE FIELD SERVICES, LLC 2/1/2007
045779977 802,795 ENTERPRISE GAS PROCESSING, LLC 3/1/2003
048053123 107,270 ENTERPRISE INTRASTATE L.P. 4/26/2005
808384379 801,055 ENTERPRISE PRODUCTS OPERATING LLC 10/1/2008
615855160 93,560 ENTERPRISE TEXAS PIPELINE LLC 6/30/2007
186830733 26,623 EOG RESOURCES, INC 8/13/1999
243093411 804,009 EPCOR ENERGY MARKETING (US) INC 6/1/2008
617318274 800,224 EPEC GAS PROCESSING COMPANY 1/10/1998
252898861 800,622 EPEM CANADA INC. 1/1/1999
137470501 802,934 EPOCH ENERGY GROUP, L.P. 10/1/2004
606950082 804,057 EPSILON ENERGY USA INC. 3/1/2009
T00026644 26,644 EQUINOX GAS SUPPLY INC 2/1/1999
035858708 800,863 EQUITABLE ENERGY, L.L.C. 11/1/1998
804583185 112,250 EQUITABLE GAS CO 5/1/2000
T00026642 26,642 EQUITABLE PETROLEUM CORP 2/1/1999
043747070 26,647 EQUITABLE RESOURCES ENERGY CO 1/1/1999
362584435 26,646 EQUITABLE RESOURCES EXPLORATION COMPANY 10/1/1993
189569585 26,653 EQUITRANS, L.P 11/29/1995
007915663 26,657 ERI SERVICES, INC. 6/1/1996
147464742 803,861 ERSKINE ENERGY, LLC 8/1/2006
293272185 800,838 ESENJAY EXPLORATION, INC. 8/1/1998
172214939 803,967 ESERVICES, INC. 11/1/2007
804626849 804,003 ESERVICES, LLC 5/1/2008
T00026675 26,675 ESPERANZA TRANSMISSION CO 2/1/1999
006954556 112,280 ESSEX COUNTY GAS CO 5/1/1993
T00800991 800,991 ESSEX-BOSTON 12/1/1999
124416152 802,912 ETC MARKETING, LTD., DBA ENERGY TRANSFER 8/1/2004
130194892 802,927 ETC OKLAHOMA PIPELINE, LTD 9/1/2004
837977859 112,300 ETOWAH UTILITIES DEPARTMENT 12/1/1998
786237396 26,821 EXCEL GAS MARKETING INC 5/1/1993
154750574 26,822 EXCEL INTRASTATE PIPELINE CO 5/1/1993
136213894 802,904 EXCELERATE ENERGY LLC 7/1/2004
557166001 802,991 EXCELERATE GAS MARKETING, LLC 9/1/2005
797003402 803,909 EXCO PARTNERS OPERATING PARTNERSHIP, LP 4/1/2007
078550639 801,037 EXCO RESOURCES, INC. 6/1/2000
061416504 804,053 EXELON ENERGY COMPANY 3/1/2009
196748938 801,146 EXELON GENERATION COMPANY, LLC 11/1/2001
095549551 802,777 EXELON NEW ENGLAND POWER MARKETING, LP 1/1/2003
050822030 800,241 EXETER ASSOCIATES, INC. 11/2/1993
111247219 802,712 EXPLORATION ASSOCIATES II, LLC 9/1/2002
154161926 802,908 EXPLORE ENTERPRISES OF LOUISIANA LLC 7/1/2004
085729122 801,121 EXPLORE INTERACTIVE, INC. 6/1/2001
095219804 27,100 EXPORT PETROLEUM CORP. 8/1/1994
118492081 27,150 EXXON COMPANY U.S.A. 5/1/1993
001213214 27,152 EXXON MOBIL CORPORATION 11/30/1999
868293874 802,911 F-W OIL EXPLORATION L.L.C. 8/1/2004
008952749 27,240 FAIR, RALPH E. INC. 8/1/1994
063688555 802,817 FAIRWAY MIDSTREAM SERVICES & TRADING INC 7/1/2003
836993808 801,134 FAIRWAYS OFFSHORE EXPLORATION, INC. 9/1/2001
T00027233 27,233 FAITH ENERGY EXPLORATION INC 2/1/1999
607024304 800,550 FALCO ENERGY SERVICES 3/1/1996
006881627 27,328 FALCON PRODUCTION COMPANY 5/1/1993
808971774 800,396 FALCON SOUTH POWER, INC. 1/1/1999
054156112 27,338 FAMCOR OIL INC 5/1/1993
075384115 27,412 FAYETTEVILLE GAS SYSTEM 5/1/1993
251938585 803,058 FB ENERGY CANADA CORP. 10/2/2006
T00027420 27,420 FEC MARKETING INC 2/1/1999
037760097 800,313 FEDERAL ENERGY REGULATORY COMMISSION 6/2/1994
796022796 28,021 FELLON-MCCORD & ASSOCIATES INC. 5/1/1993
T00112750 112,750 FENNER, C D 2/1/1999
T00800227 800,227 FERC 636 MARKETING, INC. 2/1/1999
961755907 800,620 FERRELL RESOURCES, L.L.C. 11/1/1996
607840956 28,130 FERRO CORP 5/1/1993
198579807 28,150 FFA PETROLEUM SERVICES 8/1/1994
039582481 802,997 FIDELITY EXPLORATION & PRODUCTION CO. 8/1/2005
007336290 28,280 FINA OIL AND CHEMICAL COMPANY 5/1/1993
T00028482 28,482 FIRST RESERVE GAS, L.L.C. 5/25/2007
192472751 800,942 FIRSTENERGY SOLUTIONS CORP. 3/1/2002
063083331 28,490 FISCHER PETROLEUM CORPORATION 8/1/1994
006954317 113,250 FITCHBURG GAS AND ELECTRIC LIGHT CO 5/1/1993
782372817 28,494 FITE OIL & GAS INC 5/1/1993
185425378 28,502 FLAGG ENERGY DEVELOPEMENT CORP 5/1/1993
188018071 28,504 FLARE, LLC 5/5/1997
157213109 28,498 FLASH GAS AND OIL SOUTHWEST, INC. 5/1/1993
838610319 800,515 FLEXTREND DEVELOPMENT COMPANY, L.L.C. 11/1/1995
616925293 800,020 FLORENCE GAS DEPARTMENT CITY OF 5/1/1993
006924518 113,300 FLORIDA GAS TRANSMISSION COMPANY 5/1/1993
172434540 800,637 FLORIDA POWER & LIGHT COMPANY 1/1/1997
T00028513 28,513 FLORIDA STEEL 2/1/1999
826248403 802,702 FLOW MEASUREMENT COMPANY, INC. 8/1/2002
183587591 29,050 FLOW SERVICES & CONSULTING, INC. 9/1/1993
052770893 800,878 FLT ENERGY SERVICES, LLC 2/1/1999
005005079 801,131 FMC CORPORATION 9/1/2001
197069123 27,172 FMI HYDROCARBON CO 5/1/1993
T00028401 28,401 FMP OPERATING CO 2/1/1999
T00114250 114,250 FONTENOT, RAY H, C A AND D E ST ROMAIN 2/1/1999
T00800451 800,451 FORCENERGY COMPANY 2/1/1999
606123594 35,190 FORCENERGY GOM INC. 2/6/1997
801870486 29,731 FORCENERGY INC 1/1/1999
805177631 29,729 FORCENERGY OFFSHORE INC 1/1/1999
001794353 114,300 FORD MOTOR CO 5/1/1993
176729796 114,500 FOREST HILL, VILLAGE OF 2/1/2005
808320394 29,778 FOREST I DEVELOPMENT COMPANY 5/1/1993
007909948 29,780 FOREST OIL CORP 1/1/2005
T00029850 29,850 FORMAN EXPLORATION COMPANY 2/1/1999
932646060 800,430 FORREST ENERGY, LLC 3/1/1995
785072450 800,539 FORTIS ENERGY MARKETING & TRADING GP 11/1/2006
126548440 804,021 FORTUNA ENERGY INC. 10/1/2008
154750657 800,073 FOUR SQUARE GAS COMPANY, INC 5/1/1993
157221839 29,998 FOWLER ENERGY COMPANY 9/1/2001
143048713 802,888 FOX ENERGY CENTER, LLC 4/1/2004
054481341 801,175 FPL ENERGY POWER MARKETING, LLC 12/31/2008
794786665 800,861 FPL ENERGY SERVICES, INC. 11/1/1998
540801177 801,177 FPLE RHODE ISLAND STATE ENERGY, L.P. 3/1/2008
047649889 802,621 FPLE RHODE ISLAND STATE ENERGY, L.P. 4/1/2008
T00800509 800,509 FRAN OIL 2/1/1999
122718922 802,754 FRANKEL MERZOUG, LLC 11/1/2002
T00800476 800,476 FREDCO OPERATING 2/1/1999
161439880 800,395 FREDONIA RESOURCES, INC. 11/1/1994
602708344 803,846 FREEBIRD GAS STORAGE LLC 5/1/2006
128385890 803,891 FREEDOM ENERGY 12/1/2006
884864398 800,502 FREEMAN EXPLORATION & PRODUCTION CO. 10/1/1995
T00031045 31,045 FREEPORT-MCMORAN OIL & GAS 2/1/1999
199367988 31,056 FRENCH PRODUCTION INC 5/1/1993
007326879 31,070 FRITO-LAY, INC. 5/1/1993
129368499 802,928 FRONTERA GAS SUPPLY, INC. 9/1/2004
752758627 800,968 FRONTERA GENERATION LIMITED PARTNERSHIP 10/1/1999
085467590 802,720 FRONTIER ENERGY SERVICES, LLC 9/1/2002
121253004 802,966 FRONTIER FIELD SERVICES LLC 3/1/2005
T00114750 114,750 FRUGE, MATTHEW 2/1/1999
T00031200 31,200 FUEL RESOURCES, INC. 2/1/1999
135901689 803,032 FULCRUM POWER MARKETING LLC 12/1/2005
131945243 802,936 FULCRUM POWER SERVICES LP 10/1/2004
626399216 31,558 FULTON COGENERATION ASSOCIATES, L.P. 1/1/1999
T00031660 31,660 FUTURE OIL & GAS INC 2/1/1999
780459350 31,664 FWM RESOURCES INCORPORATED 9/1/1993
089104848 800,516 G E PLASTICS 10/1/1995
T00800359 800,359 G&O MEASUREMENT SERVICES 2/1/1999
784155579 803,906 G4 ENERGY, LLC 3/1/2007
T00018371 18,371 GABLE CORMIER 2/1/1999
015818610 711,100 GAINESBORO GAS SYSTEMS 12/1/1998
191394139 801,036 GAITHER PETROLEUM CORPORATION 5/1/2000
072185580 109,730 GALAXY ENERGIES INC 5/1/1993
069094654 32,326 GALLATIN NATURAL GAS SYSTEM 12/1/1998
160822474 800,284 GALVESTON PRODUCTION CORPORATION 3/1/1994
786949313 32,334 GAP ENERGY, INC. 8/1/1994
005884705 800,371 GAP MARKETING COMPANY, LLC 9/1/1994
966981599 800,692 GARDEN BANKS GAS PIPELINE, L.L.C. 5/1/1997
008949034 115,100 GARWOOD IMPLEMENT & SUPPLY CO 5/1/1993
T00032419 32,419 GAS ALTERNATIVE SYSTEMS, INC. 2/1/1999
014427285 801,095 GAS ENERFAX 2/1/2001
104619239 801,176 GAS ENERGY MANAGEMENT 3/1/2002
T00032418 32,418 GAS MARKETING & TRANSPORTATION CO INC 2/5/2004
078498300 32,432 GAS MEASUREMENT SERVICES, INC. 8/1/1994
003771748 115,250 GAS SERVICE INC. 9/1/1994
626636260 115,300 GAS SYSTEM NETWORK INC 5/1/1993
001953934 800,597 GAS TRANSPORT, INC. 8/1/1996
020608014 32,438 GAS TRANSPORTATION CORPORATION 5/1/1993
T00115500 115,500 GAS UTILITY DISTRICT NO 1 OF VERNON 2/1/1999
926735580 800,337 GASCO DISTRIBUTION SYSTEMS, INC. 7/1/1995
618714638 800,247 GASCO INC 11/1/1993
093776651 802,909 GASEARCH, LLC 7/1/2004
785105685 32,466 GASLANTIC CORPORATION 5/1/1993
T00032437 32,437 GASMARK INC 2/1/1999
154069132 32,439 GASMARK LTD 1/1/1999
812655665 802,773 GASODUCTO DEL RIO, S.A. DE C.V. 1/1/2003
013876508 800,666 GATEWAY ENERGY SERVICES CORPORATION 11/15/2007
874254808 800,693 GATEWAY GATHERING AND MARKETING COMPANY 5/1/1997
838282732 800,855 GATEWAY PIPELINE COMPANY 10/1/1998
128938839 803,985 GAVILON, LLC 6/18/2008
T00115600 115,600 GAVRANOVIC, F D (MR) 2/1/1999
795122332 32,597 GC MARKETING COMPANY 5/1/1993
938471992 800,549 GCRL MARKETING LTD. 1/1/1999
621897081 32,454 GELBER GROUP, INC. 5/1/1993
362357035 803,921 GENALEX ENERGY SERVICES LLC 6/1/2007
101282861 32,929 GENERAL ELECTRIC 7/1/1994
018414292 32,942 GENERAL MOTORS CORPORATION 5/1/1993
T00032936 32,936 GENERAL REFRACTORIES CO - HITCHINS WORKS 2/1/1999
003376936 725,029 GENERAL SHALE PRODUCTS CORP 5/1/1993
T00032972 32,972 GEODOMINION PETROLEUM 2/1/1999
120957840 800,987 GEORGIA GULF CHEMICAL & VINYLS, LLC 12/1/1999
009020777 32,982 GEORGIA-PACIFIC CORPORATION 1/1/2002
T00800402 800,402 GERMANY OIL COMPANY 2/1/1999
830832846 11,225 GGR ENERGY 1/1/1999
787726041 33,728 GIBRALTAR ENERGY COMPANY 5/1/1993
053916458 33,750 GILLRING OIL CO 1/1/1999
194266870 802,800 GLENCORE LTD. 4/1/2003
047724398 801,198 GLENMORA, TOWN OF 7/1/2002
929499374 34,496 GLI INC 5/1/1993
252366364 800,707 GLJ ENERGY PUBLICATIONS INC. 3/1/2003
019177757 34,497 GLOBAL COMPANIES LLC 10/23/2003
808697189 800,429 GLOBAL ENERGY SOLUTIONS, INC. 2/1/1995
139387450 803,902 GLOBAL MONTELLO GROUP CORP 2/1/2007
102640208 800,521 GLOBAL NATURAL RESOURCES CORP. OF NEVADA 12/1/1995
300616315 804,015 GLOBAL TUNGSTEN & POWDERS CORP. 7/1/2008
808567440 800,249 GM HYDROCARBONS, LTD. 11/1/1993
199030776 34,505 GMT COMPANY INC 5/1/1993
012792289 34,512 GOETZ ENERGY CORP 1/1/1999
T00034523 34,523 GOETZ OIL CORP 2/1/1999
043535611 115,780 GOFF BROTHERS 1/1/1999
105896401 34,537 GOLDEN GAS ENERGIES 1/1/1999
809259778 804,017 GOLDEN PASS PIPELINE 8/1/2008
T00115800 115,800 GOLDEN ROD COMPANY 2/1/1999
825077993 34,550 GOLDKING PRODUCTION COMPANY 9/1/1993
603834722 800,574 GOLDMARK ENERGY CORPORATION 5/1/1996
002892230 34,560 GOLDSTON OIL CORP 5/1/1993
T00034568 34,568 GOODRICH OIL CO 2/1/1999
036853778 800,639 GOODRICH PETROLEUM COMPANY OF LOUISIANA 2/1/1999
620637629 34,596 GRAHAM ENERGY MARKETING CORP 5/1/1993
189843360 34,600 GRAHAM RESOURCES INC. 9/1/1994
198484180 800,783 GRAIN PROCESSING CORPORATION 12/1/1997
088961904 801,011 GRAND GOLDKING 3/1/2000
029475043 116,250 GRAND ISLE, TOWN OF 5/1/1993
104658208 34,662 GRANDVIEW TOWN OF 5/1/1993
199501110 801,127 GRANITE RIDGE ENERGY, LLC 11/3/2004
083410415 116,500 GRANITE STATE GAS TRANSMISSION INC 5/1/1993
361697873 34,665 GRASSO PRODUCTION MANAGEMENT INC. 5/1/1993
072669898 116,750 GRAYSON, CITY OF 5/2/1993
118111780 35,116 GREAT LAKES CHEMICAL CORP 5/1/1993
838030005 800,461 GREAT LAKES ENERGY CORP. 6/1/1995
824900229 261,290 GREAT LAKES GAS TRANSMISSION COMPANY 5/1/1993
004320479 800,269 GREAT LAKES STEEL - NATIONAL STEEL CORP. 2/1/1994
002876563 35,185 GREAT SOUTHERN OIL & GAS COMPANY INC 5/1/1993
185921699 35,215 GREENHILL PETROLEUM CORPORATION 5/2/1993
T00800394 800,394 GREYSTONE GAS SERVICES, INC. 3/21/2001
104084173 800,629 GRIFFIN RESOURCES, INC. 1/1/1999
540802713 802,713 GRIGGS OIL COMPANY 9/1/2002
001382253 801,186 GRYPHON EXPLORATION COMPANY 4/1/2002
T00032422 32,422 GTE PRODUCTS CORP 2/1/1999
T00117500 117,500 GUERRA, ARCADIO 2/1/1999
137553954 35,649 GULF COAST ENERGY INC 5/1/1993
T00035660 35,660 GULF COAST OIL & MINERALS 2/1/1999
T00035661 35,661 GULF COAST OPERATING & ENGINEERING INC. 2/1/1999
879075398 35,665 GULF COAST PIPELINE COMPANY 9/1/1994
T00035700 35,700 GULF ENERGY & DEVELOPMENT CORP. 2/1/1999
089604961 800,049 GULF ENERGY GATHERING & PROCESSING CORP 5/1/1993
009832544 35,704 GULF ENERGY PIPELINE CO 5/1/1993
540802758 802,758 GULF EXPLORERS, L.L.C. 12/1/2002
191462415 35,720 GULF FUELS INC 5/1/1993
183132216 800,925 GULF GAS UTILITIES COMPANY, INC. 6/1/1999
T00800731 800,731 GULF HYDROCARBON PARTNERS, LTD. 2/1/1999
121488902 35,750 GULF MARINE FABRICATORS 5/1/1993
082201872 35,745 GULF OHIO CORP 5/1/1993
160814208 35,751 GULF OHIO PIPELINE CORP 5/1/1993
006923429 803,851 GULF POWER COMPANY 6/1/2006
789168432 802,919 GULF PRODUCTION COMPANY, INC. 9/1/2004
T00017113 17,113 GULF SOUTH OPERATORS 2/1/1999
078444247 151,000 GULF SOUTH PIPELINE COMPANY, LP 12/27/2000
T00036570 36,570 GULF STATES UTILITIES CO. 2/1/1999
137617205 36,600 GULF STREAM PIPELINE 5/1/1993
622807196 800,400 GULFLAND RESOURCES, INC. 12/1/1994
067273649 800,824 GULFMARK ENERGY, INC 6/1/1998
154745392 800,064 GULFPORT ENERGY CORPORATION 3/30/1998
087547712 803,060 GULFSANDS PETROLEUM USA, INC. 4/1/2006
782663611 36,634 GULFSTAR ENERGY 5/1/1993
T00800821 800,821 GULFSTAR PETROLEUM COMPANY 2/1/1999
T00117900 117,900 GULFTIDE GAS CORP 2/1/1999
794356626 801,183 GULFWEST ENERGY INC. 6/18/2004
007924319 38,705 H & D OPERATING COMPANY 12/1/1998
T00038710 38,710 H & M OIL COMPANY 2/5/2004
808944516 800,239 H & N GAS, LTD. 11/1/1993
049078041 117,950 H-M RESOURCE MANAGEMENT, INC. 1/1/1999
T00038813 38,813 HABER OIL INC 2/1/1999
022058226 802,905 HALL ENGINEERING COMPANY 7/1/2004
784985603 803,873 HALL-HOUSTON EXPLORATION, L.P. 9/1/2006
103848750 38,831 HALL-HOUSTON OIL COMPANY 2/5/2004
T00038824 38,824 HALLADAY PETROLEUM INC. 2/1/1999
043296920 801,171 HALLIBURTON ENERGY SERVICES, INC. 2/1/2002
026600254 10,125 HAMILTON BROTHERS OIL COMPANY 8/1/1994
079412698 38,940 HAMMAN OIL & REFINING CO 5/1/1993
T00800563 800,563 HANSON MINERALS COMPANY 2/1/1999
808438923 39,300 HANSON PRODUCTION COMPANY 5/1/1993
556271617 39,350 HARBERT OIL & GAS 5/1/1993
T00800493 800,493 HARBOR ENERGY HOLDING, LLC 2/1/1999
T00800466 800,466 HARBOR PETROLEUM LLC 4/1/2001
809133606 803,017 HARDEE POWER PARTNERS LIMITED 11/1/2005
026357020 118,250 HARDEMAN FAYETTE UTILITY DISTRICT 5/1/1993
153592712 800,019 HARDIN COUNTY GAS COMPANY 5/1/1993
007921091 711,120 HARRIMAN UTILITY BOARD 5/1/1993
051094001 119,000 HARRISONBURG, LOUISIANA, TOWN OF 5/1/1993
T00018900 18,900 HARRY H. CULLEN 2/1/1999
120889647 39,642 HARTSELLE UTILITIES BOARD, THE CITY OF 5/1/1993
504802967 802,967 HARVEST OIL & GAS LLC 3/1/2005
T00800399 800,399 HARVEY BROTHERS OIL & GAS 2/1/1999
007926686 39,940 HASSIE HUNT EXPLORATION COMPANY 5/1/1993
614956803 39,950 HATTIESBURG GAS STORAGE COMPANY 5/1/1993
021251962 39,957 HAWKEYE OIL & GAS INC 5/1/1993
063177844 714,000 HAWKINS COUNTY UTILITY DISTRICT 5/1/1993
T00040540 40,540 HAWN BROTHERS 2/1/1999
T00040595 40,595 HAWTHORNE OIL & GAS CORP 2/1/1999
049552219 38,770 HCW EXPLORATION INC 5/1/1993
081398828 40,619 HEADINGTON OIL COMPANY 5/1/1993
T00040618 40,618 HEADINGTON PENN CORP 2/1/1999
808323679 800,257 HEARTLAND ENERGY SERVICES, INC. 1/1/1999
968198614 40,675 HEATH PETRA RESOURCES INC. 3/19/1997
T00120000 120,000 HEBERT, BOBBY LEE & ISSAC MARCANTEL 2/1/1999
T00120500 120,500 HEBERT, LOUISE G (MRS) 2/1/1999
057163727 120,750 HEBERT-HELMS & COMPANY INC 5/1/1993
055485841 38,845 HEC PETROLEUM, INC. 8/20/2001
T00040705 40,705 HEF-LIN ENERGY CORPORATION 2/5/2004
057119869 800,053 HELIS OIL & GAS COMPANY, L.L.C. 10/16/2003
T00121000 121,000 HELMS, WALTER 2/1/1999
074201385 121,250 HEMPHILL CITY OF 5/1/1993
089547673 121,500 HENDERSON, CITY OF 5/1/1993
932319791 40,754 HENRY HOLDING CORPORATION 5/1/1993
185781655 800,378 HENRY PRODUCTION COMPANY INC. 10/1/1994
T00040774 40,774 HERITAGE OPERATING COMPANY INC 2/1/1999
T00121750 121,750 HERRMANN, PAUL J 2/1/1999
017128898 801,087 HESCO GATHERING COMPANY, L.L.C. 12/1/2000
603630604 803,002 HESCO PIPELINE COMPANY, L.L.C. 8/1/2005
081498750 2,115 HESS CORPORATION 5/3/2006
177043684 2,830 HESS ENERGY INC. 3/31/2001
135270895 802,828 HESS ENERGY MASSACHUSETTS COMPANY, LLC 10/6/2003
023866408 800,842 HESS ENERGY SERVICES COMPANY, LLC 9/1/1998
015956162 801,197 HESS ENERGY TRADING COMPANY LLC 7/1/2002
003777034 30,103 HEWITT FOX INC 1/1/1999
T00040812 40,812 HEWITT, ROBERT J. 2/1/1999
062106505 40,818 HGI CORPORATION 5/1/1993
T00122000 122,000 HIDALGO COUNTY WATER CONTROL AND 2/1/1999
087740031 112,140 HIGH ISLAND OFFSHORE SYSTEM, L.L.C. 12/10/1998
606410538 41,424 HILCORP ENERGY COMPANY 12/1/1998
T00800403 800,403 HILCORP PIPELINE COMPANY 6/17/2004
T00041410 41,410 HILDEBRAND, JOSEPH F 2/1/1999
113150262 801,118 HILLIARD PETROLEUM, INC. 6/1/2001
T00800643 800,643 HMT PIPELINE 2/1/1999
T00038810 38,810 HNG INTERNORTH GAS MARKETING INC 2/1/1999
085135713 800,246 HOGAN EXPLORATION INC 11/1/1993
170502835 122,500 HOHENWALD CITY OF 5/1/1993
140786443 800,778 HOLLIMON OIL CORPORATION 11/1/1997
008443848 122,750 HOLLINS, A. & SONS 5/1/1993
T00800435 800,435 HOLLY PETROLEUM, INC. 2/1/1999
170326441 122,900 HOLLY SPRINGS, CITY OF 5/1/1993
T00123250 123,250 HOLT, J T 2/1/1999
002769701 123,500 HOLUB, EDMUND 5/1/1993
084650050 123,750 HOLYOKE GAS & ELEC DEPT CITY OF 5/1/1993
T00042090 42,090 HOME PETROLEUM CORP. 2/1/1999
T00042098 42,098 HOMEPORT PIPELINE COMPANY 2/1/1999
092162643 42,156 HONDA OF AMERICA MANUFACTURING INC 1/1/1999
069342004 42,155 HONEOYE STORAGE CORPORATION 5/1/1993
041445487 124,000 HONESDALE GAS COMPANY 5/1/1993
139691877 802,963 HONEYWELL INTERNATIONAL INC 3/1/2005
062802574 802,937 HOOSIER ENERGY RURAL ELECTRIC COOPERATIV 11/1/2004
944391028 801,084 HOPCO OPERATING, INC. 12/1/2000
007944721 42,192 HOPE GAS INC 5/1/1993
620760363 802,704 HORIZON NATURAL GAS COMPANY, INC. 8/1/2002
064350507 42,198 HORIZON RESOURCES, INC. 9/1/1993
T00800364 800,364 HOUSTON CENTRAL PLANT 2/1/1999
159215768 801,039 HOUSTON ENERGY SERVICES COMPANY, L.L.C. 6/1/2000
039825195 800,353 HOUSTON FLOW MEASUREMENT 8/1/1994
T00042600 42,600 HOUSTON GAS EXCHANGE CORP 2/1/1999
606342335 12,650 HOUSTON HYDROCARBONS, INC. 8/1/1997
T00042905 42,905 HOUSTON OIL & MINERALS CORPORATION 2/1/1999
004788188 124,300 HOUSTON PIPE LINE COMPANY LP 7/30/2001
112828025 143,048 HOWARD ENERGY CO., INC. 1/29/2004
T00043049 43,049 HOWARD MEASUREMENT COMPANY 2/1/1999
362404600 43,051 HOWELL GAS MANAGEMENT COMPANY 5/1/1993
099390635 43,052 HOWELL PETROLEUM CORPORATION 5/1/1993
786228718 801,101 HS RESOURCES, INC. 3/1/2001
140234134 802,859 HUBER ENERGY SERVICES, L.P. 11/1/2003
121359595 802,847 HUDSON ENERGY SERVICES, LLC 10/1/2003
T00801031 801,031 HUDSON SVD 5/1/2000
024620650 43,505 HUFFCO PETROLEUM CORP 5/1/1993
T00043509 43,509 HUGGS GAS MARKETING INC 2/1/1999
067034793 43,504 HUGGS INC 5/1/1993
T00043510 43,510 HUGHES & HUGHES 2/1/1999
150763076 43,519 HUGHES EASTERN CORPORATION 5/1/1993
026805911 800,576 HUGHES NATURAL GAS, INC. 12/1/1998
874573959 800,487 HUMBLE GAS PIPELINE 8/1/1995
042937029 124,500 HUMPHREYS COUNTY UTILITY DISTRICT 5/1/1993
089397363 801,827 HUNT CHIEFTAIN DEVELOPMENT, L.P. 9/1/2002
T00124750 124,750 HUNT FARMS 2/1/1999
073494689 801,145 HUNT GAS MARKETING CORP. 11/1/2001
007353402 44,330 HUNT OIL COMPANY 5/1/1993
051889079 108,270 HUNT PETROLEUM (AEC), INC. 7/1/2002
007926827 44,332 HUNT PETROLEUM CORPORATION 5/1/1993
T00044323 44,323 HUNT, DALE ROBERT CECIL 2/1/1999
056093040 44,351 HUNTER RESOURCES, INC. 3/1/1994
041561291 800,016 HUNTSVILLE UTILITIES GAS SYSTEM CITY OF 5/1/1993
062367693 44,354 HURD ENTERPRISES LTD. 8/1/1994
251064861 801,164 HUSKY ENERGY MARKETING INC. 1/1/2002
249496076 801,082 HUSKY GAS MARKETING INC. 11/1/2000
960749620 800,638 HYDROCARBON PROCESSING PARTNERS, LTD. 1/1/1997
540802930 802,930 I G PETROLEUM LLC 9/1/2004
947376422 802,781 IBERDROLA RENEWABLES, INC. 6/1/2008
T00044496 44,496 ICI AMERICAS 2/1/1999
045655722 801,138 IDACORP ENERGY L.P. 10/1/2001
006927271 800,686 IDAHO POWER COMPANY 10/1/2001
809039910 802,965 IDT ENERGY INC 3/1/2005
612992271 44,853 IGM, INC. 6/1/1995
002803120 802,794 ILLINOIS GAS CO DBA WEST CENTRAL ENERGY 3/1/2003
122319072 800,029 ILLINOIS MUNICIPAL GAS AGENCY 2/1/1999
006933519 800,455 ILLINOIS POWER COMPANY 6/1/2000
174794883 70,224 IMC NITROGEN COMPANY 9/19/1996
T00800856 800,856 IMC OIL & GAS CO., INC. 2/1/1999
130266430 44,508 IMCO RECYCLING INC. 11/23/2004
799943170 800,770 IMD STORAGE, TRANSPORTATION & ASSET MGMT 11/1/1997
130460942 801,116 INDALEX, INC. 5/1/2001
131203945 44,514 INDECK ENERGY SERVICES INC 5/1/1993
T00800248 800,248 INDECK KIRKWOOD LIMITED PARTNERSHIP 2/1/1999
826181224 44,516 INDECK-OSWEGO LIMITED PARTNERS 5/1/1993
829772854 44,517 INDECK-YERKES LIMITED PARTNERSHIP 5/1/1993
005887591 800,564 INDEPENDENT ENERGY MKTING & TRADING, LLC 4/1/1996
069635332 44,519 INDEXGEO & ASSOCIATES, INC. 9/1/1996
540803030 803,030 INDIAN CREEK PROCESSING, L.P. 12/1/2005
965529159 802,705 INDIAN OIL COMPANY INC 9/1/2002
787416981 44,605 INDUSTRIAL ENERGY APPLICATIONS INC 5/1/1993
540802996 802,996 INERGY GAS MARKETING, LLC 8/1/2005
T00801119 801,119 INERGY GAS MARKETING, LLC 8/9/2005
047844568 44,611 INEXCO OIL COMPANY 5/1/1993
106894632 802,898 INFINITE CONSULTING, LLC 5/1/2004
968786749 800,810 INFINITE ENERGY, INC. 4/1/1998
540802802 802,802 INGLESIDE, TEXAS, CITY OF 5/1/2003
009851023 125,250 INLAND GAS COMPANY INC THE 5/1/1993
005159199 44,918 INLAND STEEL CO INC 5/1/1993
926928912 800,877 INNOVATIVE GAS SERVICES, INC. 2/23/1999
841739824 800,841 INTEGRYS ENERGY SERVICES, INC. 2/21/2007
091704718 44,650 INTERCITY MANAGEMENT CORPORATION 8/1/1994
137545448 44,690 INTERCON GAS INC 5/1/1993
129926408 800,805 INTERCONN RESOURCES, INC. 3/1/1998
172210127 802,946 INTERNATIONAL BUSINESS ASSOCIATES, LTD 12/1/2004
T00800923 800,923 INTERNATIONAL GAS CONSULTING, INC. 5/1/1999
001316561 44,715 INTERNATIONAL PAPER CO 5/1/2000
189705080 800,831 INTERNATIONAL POWER AMERICA, INC. 12/19/2006
177328291 800,362 INTERSTATE GAS MARKETING, INC. (PENN) 1/1/1999
626058655 800,442 INTERSTATE GAS SUPPLY, INC. 4/1/1995
866947963 800,333 INVENTORY MGMT & DISTRIBUTION CO, LLC 7/1/1994
006942114 44,858 IOWA PUBLIC SERVICE COMPANY 5/1/1993
174065698 800,947 IP PETROLEUM COMPANY, INC. 8/1/1999
806485900 802,714 IQ SOLUTIONS, LLC 9/1/2002
T00800716 800,716 IROQUOIS ENERGY BROKER LLC 5/1/2000
T00125500 125,500 IROQUOIS GAS CORPORATION 2/1/1999
603955949 44,888 IROQUOIS GAS TRANSMISSION SYSTEM 12/1/1998
788142123 802,915 ISO NEW ENGLAND INC. 8/1/2004
T00044852 44,852 ITT LESTER INDUSTRIES INC 2/1/1999
043172717 800,022 IUKA MISSISSIPPI CITY OF 5/1/1993
T00800482 800,482 J A FOWDEN ASSOCIATES 2/1/1999
T00044927 44,927 J F GEOLOGY COMPANY INC 2/1/1999
T00044980 44,980 J W FRANKLIN OIL OPERATOR 2/1/1999
194574844 801,081 J&L SPECIALTY STEEL, INC. 11/1/2000
040679524 45,035 J-O'B OPERATING COMPANY 5/1/1993
006980312 44,933 J. ARON & COMPANY 5/1/2008
T00800661 800,661 J. L. SHOALMIRE OPERATING COMPANY INC. 2/1/1999
041381336 44,938 J. M. HUBER CORPORATION 5/2/1993
617170303 800,132 J. MAKOWSKI ASSOCIATES, INC. 9/1/2001
602667201 803,027 J.P. MORGAN VENTURES ENERGY CORPORATION 12/1/2005
T00045070 45,070 JACK BROOK TRUST 2/1/1999
112600788 800,800 JACKSON UTILITY DIVISION 6/21/2004
111143814 45,120 JACKSON, WILLIAM C 5/1/1993
131028599 45,150 JALA PIPE LINE CORP 5/1/1993
078442399 803,041 JAMES A. WHITSON JR. 1/1/2006
009069246 711,330 JAMESTOWN NATURAL GAS SYSTEM 12/1/1998
605471895 800,594 JAMEX, INC. 7/1/1996
039780986 45,405 JAPEX (U.S.) CORP 5/1/1993
190098686 803,990 JAY BRADSHER, INC. 3/1/2008
121792675 44,930 JDS ENERGY CORP 5/1/1993
963536479 800,454 JEFFERSON ISLAND STORAGE & HUB L.L.C. 2/2/1999
042454165 125,600 JEFFERSON/COCKE CO. PUBLIC UTILITY DIST. 5/2/1993
173481656 45,470 JENEX PETROLEUM CORP 5/1/1993
T00126000 126,000 JESTER, H E (MRS) 2/1/1999
805721425 804,070 JGC ENERGY DEVELOPMENT (USA) INC. 4/1/2009
809443018 803,984 JLA ENERGY LLC 2/1/2008
178265786 802,975 JMA ENERGY COMPANY, L.L.C. 4/1/2005
T00045105 45,105 JMC EXPLORATION INC. 2/1/1999
624871125 45,106 JMC FUEL SERVICES 5/1/1993
837948116 800,036 JMJ ENERGY INC 2/1/1999
805853207 800,303 JN EXPLORATION & PRODUCTION, LP 5/1/1994
T00800452 800,452 JOCO ENERGY INC. 2/1/1999
T00079960 79,960 JOE E. SMITH 2/1/1999
045426558 174,492 JOHNS MANVILLE 1/8/2002
148497373 801,032 JORDAN OIL COMPANY, INC. 5/1/2000
185120375 46,300 JOSEPH ENERGY INC 2/1/1999
839623639 803,888 JOSEY OIL COMPANY 12/1/2006
042647615 800,970 JOY RESOURCES, INC 10/1/1999
T00046540 46,540 JOYCE & HILTY INC 2/1/1999
006981831 800,976 JPMORGAN CHASE BANK, N.A. 4/1/2002
T00801024 801,024 JSB L.L.C. 3/1/2000
825670946 800,383 JUNE ENERGY, INC. 2/1/1999
025774584 801,142 JUNIPER ENERGY, L.P. 10/1/2001
T00046730 46,730 JUPITER CORPORATION 2/1/1999
093569549 800,300 JURASSIC EXPLORATION COMPANY, INC. 5/1/1994
T00046740 46,740 JUSTISS OIL COMPANY 2/1/1999
T00046742 46,742 JW OPERATING 2/1/1999
608897195 800,139 K N ENERGY INC. 1/1/2002
615227709 46,739 K N MARKETING, INC. 3/9/1996
148127863 800,682 K N MARKETING, L.P. 4/1/1997
T00126600 126,600 K P EXPLORATION INC 2/1/1999
072417900 46,755 KAISER-FRANCIS OIL COMPANY 5/1/1993
076843254 803,053 KALER ENERGY CORP 3/1/2006
859657165 46,761 KAMINE BESICORP CARTHAGE LP 10/1/1993
859654048 800,276 KAMINE BESICORP NATURAL DAM 3/1/1994
859654342 800,279 KAMINE BESICORP SYRACUSE LTD. 3/1/1994
T00046765 46,765 KAMLOK INC 2/1/1999
094836616 800,027 KAMLOK OIL & GAS INC 5/1/1993
T00046773 46,773 KANNGAZ ENERGY MARKETING 1/1/1999
787916183 803,996 KANSAS ENERGY LLC 4/1/2008
118509764 802,848 KANSAS ENERGY PARTNERS, LLC 10/1/2003
187399902 803,988 KASH OIL & GAS, INC. 2/1/2008
808835271 804,010 KATRINA ENERGY, LLC 7/1/2008
126440895 803,038 KATY STORAGE AND TRANSPORTATION, LP 1/1/2006
928798792 800,498 KBC ENERGY SERVICES 10/1/1995
194077335 800,136 KCS ENERGY INC. 5/1/1993
847329158 800,074 KCS ENERGY MANAGEMENT SERVICES INC. 5/1/1993
130478779 46,743 KCS ENERGY MARKETING INC 5/1/1993
867202319 26,550 KCS RESOURCES, INC. 11/17/1995
179824693 46,804 KEBO OIL & GAS 5/1/1993
795083096 46,801 KELLY OIL COMPANY 5/1/1993
623302106 800,996 KELLY OIL CORPORATION 1/1/2000
012137600 800,562 KELPETRO, INC. 5/1/1996
540802756 802,756 KELTON GAS SERVICES, LP 11/1/2002
006771364 46,870 KEN PETROLEUM 5/1/1993
879803153 46,871 KENTUCKY EAGLE OIL CORP 5/1/1993
154526065 46,873 KENTUCKY ELECTRIC STEEL INC. 10/1/1993
T00800633 800,633 KENTUCKY OIL GATHERING CORPORATION 2/1/1999
006944938 800,330 KENTUCKY UTILITIES COMPANY 7/1/1994
617369004 46,872 KENTUCKY-OHIO GAS ACQUISITION CORP. 5/1/1993
835904079 800,387 KERN RIVER GAS TRANSMISSION COMPANY 10/1/1994
007188667 46,890 KERR-MCGEE CORPORATION 5/1/1993
878593730 800,719 KERR-MCGEE ENERGY SERVICES CORPORATION 8/7/2001
008824133 803,007 KERR-MCGEE OIL & GAS CORPORATION 2/1/2008
053106352 802,879 KEYSPAN ENERGY DELIVERY LONG ISLAND 3/1/2004
006978795 105,000 KEYSPAN ENERGY DELIVERY NEW YORK 4/25/2000
938889466 800,585 KEYSPAN ENERGY SERVICES, INC. 7/1/1996
784868267 800,791 KEYSTONE OIL & GAS INC. 1/1/1998
118794643 46,900 KIDDER EXPLORATION INC 5/1/1993
T00048336 48,336 KILLAM OIL COMPANY, LTD 2/1/1999
154070049 48,331 KIMBALL RESOURCES INC 3/1/2002
958256273 800,621 KIMBALL TRADING COMPANY, L.L.C. 3/1/2002
877748434 48,333 KIMBERLY CLARKE CORP 5/1/1993
T00048320 48,320 KINDER GAS PROCESSING CORPORATION 2/1/1999
540802706 802,706 KINDER MORGAN INC. 8/1/2002
809611911 804,043 KINDER MORGAN LOUISIANA PIPELINE LLC 1/1/2009
879826576 800,458 KINDER MORGAN TEJAS PIPELINE, L.P. 2/1/2006
054452537 800,041 KINDER MORGAN TEXAS PIPELINE GP, INC. 12/1/2004
T00127250 127,250 KING CORP 2/1/1999
007933492 48,349 KING RANCH INC 5/1/1993
T00127500 127,500 KINGREY, JOHN S 2/1/1999
T00048372 48,372 KLOTZMAN OIL & GAS 2/1/1999
T00127750 127,750 KLUMPP, WILSON J 2/1/1999
825176147 804,000 KNOC USA CORPORATION 4/1/2008
003387560 48,427 KNOXVILLE UTILITIES BOARD 5/1/1993
005884101 800,626 KOCH ENERGY SERVICES COMPANY 12/10/1996
944363795 150,801 KOCH ENERGY TRADING, LP 1/31/2001
121770622 48,449 KOCH EXPLORATION CO. 9/1/2000
T00226640 226,640 KOCH HYDROCARBON CO. 5/1/2002
T00048450 48,450 KOCH INDUSTRIES INC 2/1/1999
041087081 20,800 KOCH MIDSTREAM SERVICES COMPANY 12/23/1997
031159093 803,031 KOCH SUPPLY & TRADING, LP 12/1/2005
010804664 128,000 KOUNTZE CITY OF 5/1/1993
T00801040 801,040 KRAM ENERGY 6/1/2000
007593221 128,100 KRENEK BROTHERS FARM 5/1/1993
182079210 46,734 KTM INC 11/4/2004
T00128250 128,250 KUNTZ, CARROLL 2/1/1999
130091218 800,648 KYKON OIL & GAS, INC. 12/1/1998
612374553 50,036 L B INDUSTRIES INC 5/1/1993
193830783 51,804 L L & E GAS MARKETING INC 5/1/1993
099496890 803,001 L S P ENERGY LIMITED PARTNERSHIP 8/1/2005
831102561 50,056 L'ENERGIA LIMTED PARTNERSHIP 5/1/1993
540802699 802,699 LA HUNT 8/1/2002
057203135 48,700 LA ROCHE INDUSTRIES INC 5/1/1993
188779862 803,045 LACLEDE ENERGY RESOURCES, INC. 1/1/2006
T00049952 49,952 LADNER, HILTON L. 2/1/1999
067568246 803,890 LAFARGE NORTH AMERICA INC 12/1/2006
132028221 801,056 LAGNIAPPE INTERESTS, INC. 8/1/2000
T00049964 49,964 LAGUNA GAS GATHERING COMPANY 2/1/1999
044641129 800,484 LAGUNA OIL CORPORATION 1/1/1999
122843381 802,753 LAKESHORE ENERGY SERVICES, LLC 11/1/2002
T00049983 49,983 LAKESHORE PARTNERSHIP 2/1/1999
T00128500 128,500