H	059	01/01/2006	03/31/2006	05/15/2006	O	Northern Natural Gas 	1111 South 103rd 	Omaha, NE  68124			Patrick M. Brennan   (402) 398-7101	
DH	059	01/2006	
D	1	Total Sales	138	0	0	1273	1273	 
D	2.001	TF	51989	0	94	35540	35634	 
D	2.002	TFX	41799	0	76	26189	26265	 
D	2.003	GS-T	0	0	0	0	0	 
D	2.004	TI	3659	0	7	1058	1065	 
D	2.005	LFT	0	0	0	0	0	 
D	2.006	SMS	0	0	0	713	713	 
D	3	Total Transportation	97447	0	177	63500	63677	 
D	4.001	FDD-1	9169	0	0	1474	1474	 
D	4.002	IDD-1	798	0	0	406	406	 
D	4.003	PDD-1	11815	0	0	1532	1532	 
D	5	Total Storage	21782	0	0	3412	3412	 
D	7	Gathering-Firm	0	0	0	0	0	 
D	8	Gathering-Interruptible	0	0	0	0	0	 
D	10	Products Sales and Extraction (490-492)	0	0	0	838	838	 
D	11	Rents (493 and 494)	0	0	0	0	0	 
D	12	Other Gas Revenues (495)	0	0	0	163	163	 
DH	059	02/2006	
D	1	Total Sales	576	0	0	6050	6050	 
D	2.001	TF	48623	0	87	35323	35410	 
D	2.002	TFX	38111	0	69	26324	26393	 
D	2.003	GS-T	10	0	0	7	7	 
D	2.004	TI	2862	0	6	917	923	 
D	2.005	LFT	0	0	0	0	0	 
D	2.006	SMS	0	0	0	707	707	 
D	3	Total Transportation	89606	0	162	63278	63440	 
D	4.001	FDD-1	7542	0	0	1898	1898	 
D	4.002	IDD-1	1589	0	0	279	279	 
D	4.003	PDD-1	7663	0	0	1694	1694	 
D	5	Total Storage	16794	0	0	3871	3871	 
D	7	Gathering-Firm	0	0	0	0	0	 
D	8	Gathering-Interruptible	0	0	0	0	0	 
D	10	Products Sales and Extraction (490-492)	0	0	0	1212	1212	 
D	11	Rents (493 and 494)	0	0	0	0	0	 
D	12	Other Gas Revenues (495)	0	0	0	48	48	 
DH	059	03/2006	
D	1	Total Sales	278	0	0	3224	3224	 
D	2.001	TF	42523	0	76	35158	35234	 
D	2.002	TFX	39220	0	69	25665	25734	 
D	2.003	GS-T	0	0	0	0	0	 
D	2.004	TI	1713	0	3	481	484	 
D	2.005	LFT	0	0	0	0	0	 
D	2.006	SMS	0	0	0	704	704	 
D	3	Total Transportation	83456	0	148	62008	62156	 
D	4.001	FDD-1	12912	0	0	1446	1446	 
D	4.002	IDD-1	1880	0	0	467	467	 
D	4.003	PDD-1	1324	0	0	1593	1593	 
D	5	Total Storage	16116	0	0	3506	3506	 
D	7	Gathering-Firm	0	0	0	0	0	 
D	8	Gathering-Interruptible	0	0	0	0	0	 
D	10	Products Sales and Extraction (490-492)	0	0	0	764	764	 
D	11	Rents (493 and 494)	0	0	0	0	0	 
D	12	Other Gas Revenues (495)	0	0	0	6704	6704	 
