H	059	04/01/2006	06/30/2006	08/14/2006	O	Northern Natural Gas 	1111 South 103rd 	Omaha, NE  68124			Patrick M. Brennan   (402) 398-7101	
DH	059	04/2006	
D	1	Total Sales	0	0	0	0	0	 
D	2.001	TF	28909	0	52	13303	13355	 
D	2.002	TFX	30183	0	55	11773	11828	 
D	2.003	GS-T	0	0	0	0	0	 
D	2.004	TI	2824	0	5	353	358	 
D	2.005	LFT	0	0	0	0	0	 
D	2.006	SMS	0	0	0	702	702	 
D	3	Total Transportation	61916	0	112	26131	26243	 
D	4.001	FDD-1	8784	0	0	1385	1385	 
D	4.002	IDD-1	1352	0	0	326	326	 
D	4.003	PDD-1	422	0	0	1753	1753	 
D	5	Total Storage	10558	0	0	3464	3464	 
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	595	595	 
D	11	Rents (493 and 494)	0	0	0	0	0	 
D	12	Other Gas Revenues (495)	0	0	0	2535	2535	 
DH	059	05/2006	
D	1	Total Sales	175	0	0	1439	1439	 
D	2.001	TF	28751	0	52	13498	13550	 
D	2.002	TFX	34380	0	62	11115	11177	 
D	2.003	GS-T	0	0	0	0	0	 
D	2.004	TI	3601	0	5	448	453	 
D	2.005	LFT	0	0	0	0	0	 
D	2.006	SMS	0	0	0	758	758	 
D	3	Total Transportation	66732	0	119	25819	25938	 
D	4.001	FDD-1	3698	0	0	2606	2606	 
D	4.002	IDD-1	1438	0	0	336	336	 
D	4.003	PDD-1	2644	0	0	1611	1611	 
D	5	Total Storage	7780	0	0	4553	4553	 
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	522	522	 
D	11	Rents (493 and 494)	0	0	0	0	0	 
D	12	Other Gas Revenues (495)	0	0	0	-5386	-5386	 
DH	059	06/2006	
D	1	Total Sales	927	0	0	6706	6706	 
D	2.001	TF	30930	0	55	13280	13335	 
D	2.002	TFX	34938	0	62	11074	11136	 
D	2.003	GS-T	0	0	0	0	0	 
D	2.004	TI	2772	0	5	276	281	 
D	2.005	LFT	0	0	0	0	0	 
D	2.006	SMS	0	0	0	659	659	 
D	3	Total Transportation	68640	0	122	25289	25411	 
D	4.001	FDD-1	1542	0	0	5177	5177	 
D	4.002	IDD-1	1507	0	0	406	406	 
D	4.003	PDD-1	2650	0	0	1673	1673	 
D	5	Total Storage	5699	0	0	7256	7256	 
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	561	561	 
D	11	Rents (493 and 494)	0	0	0	0	0	 
D	12	Other Gas Revenues (495)	0	0	0	208	208	 
