Customer Analyst Assignments

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
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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
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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
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030160006	14,440	CARPENTER OIL & GAS CO	5/1/1993
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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
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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
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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
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830357377	804,065	CENSTAR ENERGY CORP	4/1/2009
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148370377	804,075	CENTAURUS ENERGY MASTER FUND, LP	6/1/2009
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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
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798309407	800,061	CHEVRON PIPELINE COMPANY	5/1/1993
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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
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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
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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
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058870445	800,397	CLAYTON WILLIAMS ENERGY, INC.	3/1/2009
095421959	802,755	CLEARWATER ENTERPRISES, L.L.C.	11/1/2002
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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
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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
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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
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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
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120836853	800,265	COMMONWEALTH ALUMINUM CONCAST, INC.	2/1/1999
830119046	800,056	COMMONWEALTH ENERGY SERVICES, INC.	5/1/2000
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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
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540802723	802,723	CONCENTRIC ENERGY ADVISORS, INC.	6/23/2005
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033228870	802,818	CONCHO RESOURCES INC.	7/1/2003
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008911166	108,500	CONCORD NATURAL GAS CORPORATION	5/1/1993
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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
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006917090	108,750	CONNECTICUT LIGHT & POWER COMPANY THE	12/1/2001
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244946596	801,185	CONOCO CANADA LIMITED	4/1/2002
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243666950	804,022	CONOCOPHILLIPS CANADA MARKETING & TRADI	10/28/2008
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048501100	17,959	CONQUEST EXPLORATION CO.	5/1/1993
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048942564	801,058	CONSOLIDATED EDISON ENERGY INC.	8/1/2000
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T00017956	17,956	CONSOLIDATED ENERGY CORP	2/1/1999
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T00800479	800,479	CONSOLIDATED GAS MARKETING, INC.	2/1/1999
T00202890	202,890	CONSOLIDATED GAS SUPPLY CORP	2/1/1999
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876751835	800,226	CONSOLIDATED HYDROCARBONS, INC.	10/1/1993
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074292095	800,507	CONTINENTAL RESOURCES INC.	11/1/1995
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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
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787146968	26,425	CORNERSTONE GAS RESOURCES, INC.	3/1/1994
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781552153	18,398	CORNING INC	5/1/1993
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T00018652	18,652	CORPUS CHRISTI OIL & GAS CO.	2/1/1999
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T00800525	800,525	COUNCE NATURAL GAS CORPORATION	2/1/1999
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540802862	802,862	CROSSTEX MISSISSIPPI PIPELINE, L.P.	12/1/2003
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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
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196394956	803,061	DEVLAR ENERGY MARKETING, LLC	4/1/2006
611935602	61,453	DEVON GAS SERVICES, L.P.	2/14/2002
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005088856	800,955	DEVON GAS SERVICES, L.P.	2/14/2002
144498599	28,506	DEVON LOUISIANA CORPORATION	7/3/2003
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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
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179699913	803,989	DOMINION GAS VENTURES, LP	3/1/2008
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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
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197296999	93,105	DUKE ENERGY FUELS, L.P.	4/15/1999
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113932268	802,827	DUKE ENERGY MARKETING AMERICA, LLC	8/1/2003
253304166	801,026	DUKE ENERGY MARKETING LTD PARTNERSHIP	4/1/2000
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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
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796936599	711,350	DUNLAP GAS SYSTEM	12/1/1998
958375735	800,568	DUVAL GAS GATHERING CORP.	5/1/1996
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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
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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
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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
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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
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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
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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
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069938988	800,812	EL PASO OFFSHORE GATHERING &TRANSMISSION	5/1/2000
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097622005	97,520	EL PASO PRODUCTION GOM INC.	10/27/1999
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093573038	2,423	EL PASO PRODUCTION OIL & GAS USA, L.P.	12/31/2003
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363282422	803,024	ELK CITY OKLAHOMA PIPELINE, LTD	11/1/2005
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246667372	802,844	ENBRIDGE GAS DISTRIBUTION INC.	9/1/2003
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015816390	802,947	ENBRIDGE PIPELINES (TEXAS INTRASTATE) LP	12/1/2004
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556902476	800,263	ENERCORP GAS MARKETING, INC.	1/1/1999
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792928491	112,068	ENERMAX, A DIVISION OF NUKEM INC	1/1/1999
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796947737	112,082	ENRON LOUISIANA TRANSPORTATION	5/1/1993
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124416152	802,912	ETC MARKETING, LTD., DBA ENERGY TRANSFER	8/1/2004
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837977859	112,300	ETOWAH UTILITIES DEPARTMENT	12/1/1998
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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