IERC Banking Certificates (updated August 2007)

Cert. No.	Company	App #	Credit Generation Period (CGP)	Original Amount (Tons NOx)	Current Balance (Tons NOx)	Comments
1-A	Exxon	19971	1997	172.7	0	Reissued to Valero as Cert. #5-A
1-B	Exxon	19971	1998	38.5	0	Reissued to Valero as Cert. #5-B
2-A	Shell	27765	11/7/98 – 4/30/99	62.3	0	Reduced to 9.5 per settlement agreement, used for ACP
3-A	Shell	439	various – 9/26/99	113.2	0	80.24 tons used for ACP1 (7/00-6/01), balance refunded as Cert. 3-B
3-B	Shell	439	various – 9/26/99	32.96	0	Refund of balance of Cert. # 3-A, 32.96 tons used for ACP2 (7/01-6/02)
4-A	Shell	27536	1/6/97 – 1/5/98	8.8	0	Cancelled per settlement agreement
4-B	Shell	27536	1/6/98 – 1/5/99	9.08	0	Cancelled per settlement agreement
5-A	Valero	19971	1997	172.7 (94.62)	0	Used 51.34 for ACP1 (7/00-6/01) Year 1; used 26.74 tons for ACP2 (7/01-6/02); Surrendered 94.62 as part of 100 ton settlement agreement of 7/1/02
5-B	Valero	19971	1998	38.5 (5.38)	0	Surrendered 5.38 tons as part of 100 ton settlement agreement of 7/1/02; balance re-issued as Cert. 5-D
5-C	Valero	19971	1999	130.9	0	Used 130.9 for ACP3 (7/02-6/03)
5-D	Valero	19971	1998	33.12	0	Refund balance of Cert. 5-B; Used 33.12 for ACP3 (7/02-6/03)
6-A	PG&E Potrero	22441	1997	145.9	0	Cancelled per Settlement Agreement
6-B	PG&E Potrero	22441	1998	233.7	0	Cancelled per Settlement Agreement
6-C	PG&E Potrero	22441	1999	31.8	0	Cancelled per Settlement Agreement
6-D	Mirant Potrero	7069	4/17/99 – 3/31/00	224.93 (application cancelled)	0	Mirant requested 224.93 Tons IERCs. IERC banking application cancelled. IERCs not approved.
6-E	Mirant Potrero	6473	4/1/00 – 12/31/00	70.91	0	15.02 tons used ACP1 (2/04-1/05); 9.60 tons usedACP2 (2/05-1/06); Balance expired 12/31/05
6-F	Mirant Potrero	6473	2001	94.21	0	0.01 ton usedACP2 (2/05-1/06); Balance expired 12/31/06
6-G	Mirant Potrero	6473	1/1/02 – 9/30/02	34.32	34.32	Expires 9/30/07
6-H	Mirant Potrero	6473	4/1/00 – 12/31/00	15.89	0	Balance from Cert. 6-E – Expired 12/31/05
7-A	PG&E Hunters Pt.	22504	1997	409.5	0	Cancelled per Settlement Agreement
7-B	PG&E Hunters Pt.	22504	1998	455.3	0	Cancelled per Settlement Agreement
7-C	PG&E Hunters Pt.	22504	1999	262.7 (162.7)	0	162.7 tons surrendered per Settlement Agreement; Balance of 100.0 tons to be re-issued as Cert. 7-D
7-D	PG&E Hunters Pt.	22504	1999	100.0	0	<100 tons used ACP1 (2004); Expired 12/31/04
7-E	PG&E Hunters Pt.	7375	2000	125.25	0	62.26 tons used ACP2 (2005); Balance expired 12/31/05
7-F	PG&E Hunters Pt.	12482	2001	124.49	0	20.28 tons used for ACP3 (2006); Balance expired 12/31/06
8-A	Shell	1820	5/1/99 – 4/30/00	151.4	0	10.42 tons used for ACP2 (7/01-6/02), balance refunded as Cert. 8-D
8-B	Shell	1820	various – 8/27/00	342.6	0	315.95 tons used for ACP3 (7/02-6/03), balance of 26.65 tons re-issued as Cert. 8-F
8-C	Shell	1820	8/28/00 – 6/30/01	241.3	0	241.3 tons used for ACP4 (7/03-6/04), balance is zero.
8-D	Shell	1820	5/1/99 – 4/30/00	140.98	0	Balance from Cert. 8-A. 140.98 tons used for ACP3 (7/02-6/03), balance is zero.
8-E	Shell	6979	7/1/01 – 6/30/02	443.2	0	5.0 tons used for ACP4 (7/03-6/04). Balance re-issued as Cert. 8-G.
8-F	Shell	1820	Various – 8/27/00	26.65	0	Balance from Cert. 8-B. 26.65 tons used for ACP4 (7/03-6/04).
8-G	Shell	6979	7/1/01 – 6/30/02	438.2	0	Balance from Cert. 8-E. 152.51 Tons used for ACP5 (7/04-6/05). Balance re-issued as Cert. 8-J.
8-H	Shell	10368	7/1/02 – 6/30/03	266.4	266.4	Expires 6/30/08
8-I	Shell	10368	7/1/03 – 3/31/04	84.3	84.3	Expires March 31, 2009
8-J	Shell	6979	7/1/01 – 6/30/02	285.69	0	Balance from Cert. 8-G. 128.18 tons used for ACP6 (7/05-6/06). 114.77 tons used for ACP7 (7/06-6/07). Remainder of 42.74 tons expired 6/30/07.
8-K	Shell	14858	4/1/04 – 6/30/04	24.0		Expires 6/30/09
8-L	Shell