H	51	1/1/2008	3/31/2008	5/15/2008	O	GREAT LAKES GAS TRANSMISSION LIMITED PARTNERSHIP	5250 CORPORATE DRIVE	TROY, MI 48098	DENNIS M. SCHEIBE (248) 205-7504
DH	51	01/2008							
D	1	Total Sales							
D	2.001	LFT	2536	 	5	638	643		
D	2.002	FT	59440	 	113	24169	24282		
D	2.003	IT	1161	 	2	89	91		
D	2.004	T-8	5223	 	10	235	245		
D	2.005	T-9	3770	 	7	139	146		
D	2.006	T-10	185	 	0	8	8		
D	2.007	FT0067	201	 	1	105	106		
D	2.008	FT2321	2021	 	4	411	415
D	2.009	FT7251	166		0	41	41
D	2.010	FT7252	0		0	37	37
D	3	Total Transportation	74703	 	142	25872	26014		
D	4	Storage							
D	5	Total Storage							
D	7	Gathering-Firm							
D	8	Gathering-Interruptible							
D	10	Products Sale and Extraction (490-492)					
D	11	Rents (493 and 494)					36	36
D	12	Other Gas Revenues (495)				350	350
DH	51	02/2008					
D	1	Total Sales					
D	2.001	LFT	1151	 	2	627	629
D	2.002	FT	56680	 	108	24793	24901
D	2.003	IT	1293	 	2	114	116
D	2.004	T-8	6263	 	12	282	294
D	2.005	T-9	2150	 	4	138	142
D	2.006	T-10	2493	 	5	112	117
D	2.007	FT0067	18	 	0	105	105
D	2.008	FT2321	200	 	0	392	392
D	2.009	FT7251	219		0	42	42
D	2.010	FT7252	0		1	36	37
D	3	Total Transportation	70467	 	134	26641	26775
D	4	Storage					
D	5	Total Storage					
D	7	Gathering-Firm					
D	8	Gathering-Interruptible					
D	10	Products Sale and Extraction (490-492)					
D	11	Rents (493 and 494)					36	36
D	12	Other Gas Revenues (495)				344	344
DH	51	03/2008					
D	1	Total Sales					
D	2.001	LFT	785	 	2	223	225
D	2.002	FT	66550	 	126	24551	24677
D	2.003	IT	1163	 	2	103	105
D	2.004	T-8	5863	 	11	264	275
D	2.005	T-9	0	 	0	136	136
D	2.006	T-10	2056	 	4	93	97
D	2.007	FT0067	139	 	0	105	105
D	2.008	FT2321	1632	 	3	407	410
D	2.009	FT7251	248		1	42	43
D	2.010	FT7252	16		0	36	36
D	3	Total Transportation	78452	 	149	25960	26109
D	4	Storage					
D	5	Total Storage					
D	7	Gathering-Firm					
D	8	Gathering-Interruptible					
D	10	Products Sale and Extraction (490-492)					
D	11	Rents (493 and 494)					36	36
D	12	Other Gas Revenues (495)				27	27
