2007 West Texas Intermediate Crude Oil (WTI) Prices

Close Date	Price per 42-gallon Barrel	Published Consecutive Days Toward Higher Threshold	Within Threshold Percent Applied	Published Consecutive Days Toward Lower Threshold
12/28/07	$96.01	12	24%
12/27/07	$96.63	11	24%
12/26/07	$95.98	10	24%
12/21/07	$93.32	9	24%
12/20/07	$90.97	8	24%
12/19/07	$91.05	7	24%
12/18/07	$90.50	6	24%
12/17/07	$90.64	5	24%
12/14/07	$91.28	4	24%
12/13/07	$92.26	3	24%
12/12/07	$94.40	2	24%
12/11/07	$90.03	1	24%
12/10/07	$87.87		24%
12/07/07	$88.29	2	24%
12/06/07	$90.24	1	24%
12/05/07	$87.50		24%
12/04/07	$88.33	29	24%
12/03/07	$89.32	28	24%
11/30/07	$88.72	27	24%
11/29/07	$91.02	26	24%
11/28/07	$90.63	25	24%
11/27/07	$94.43	24	24%
11/26/07	$97.71	23	24%
11/23/07	$98.18	22	24%
11/21/07	$97.79	30	22%
11/20/07	$98.83	29	22%
11/19/07	$95.75	28	22%
11/16/07	$95.10	27	22%
11/15/07	$93.44	26	22%
11/14/07	$94.10	25	22%
11/13/07	$91.18	24	22%
11/12/07	$94.63	23	22%
11/09/07	$96.33	22	22%
11/08/07	$95.47	21	22%
11/07/07	$96.38	20	22%
11/06/07	$93.99	19	22%
11/05/07	$93.99	18	22%
11/02/07	$95.94	17	22%
11/01/07	$93.49	16	22%
10/31/07	$94.54	15	22%
10/30/07	$90.39	14	22%
10/29/07	$93.53	13	22%
10/26/07	$91.87	12	22%
10/25/07	$92.97	11	22%
10/24/07	$89.36	10	22%
10/23/07	$86.48	9	22%
10/22/07	$87.57	30	20%
10/19/07	$88.61	29	20%
10/18/07	$89.48	28	20%
10/17/07	$87.41	27	20%
10/16/07	$87.62	26	20%
10/15/07	$86.14	25	20%
10/12/07	$83.70	24	20%
10/11/07	$83.09	23	20%
10/10/07	$81.31	30	18%
10/09/07	$80.27	29	18%
10/08/07	$79.03	28	18%
10/05/07	$81.23	27	18%
10/04/07	$81.45	26	18%
10/03/07	$79.98	25	18%
10/02/07	$80.06	24	18%
10/01/07	$80.25	23	18%
09/28/07	$81.67	22	18%
09/27/07	$82.89	21	18%
09/26/07	$80.31	20	18%
09/25/07	$81.64	19	18%
09/24/07	$82.67	18	18%
09/21/07	$83.36	17	18%
09/20/07	$83.33	16	18%
09/19/07	$81.94	15	18%
09/18/07	$81.52	14	18%
09/17/07	$80.57	13	18%
09/14/07	$79.11	12	18%
09/13/07	$80.10	11	18%
09/12/07	$79.92	10	18%
09/11/07	$78.24	9	18%
09/10/07	$77.50	8	18%
09/07/07	$76.71	7	18%
09/06/07	$76.31	6	18%
09/05/07	$75.74	5	18%
09/04/07	$75.08	4	18%
08/31/07	$74.04	3	18%
08/30/07	$73.37	2	18%
08/29/07	$73.52	1	18%
08/28/07	$71.74		18%
08/27/07	$71.98		18%
08/24/07	$71.39		18%
08/23/07	$70.04		18%
08/22/07	$69.32		18%
08/21/07	$69.43		18%
08/20/07	$71.13		18%
08/17/07	$71.99		18%
08/16/07	$71.01		18%
08/15/07	$73.34	1	18%
08/14/07	$72.39		18%
08/13/07	$71.62		18%
08/10/07	$71.47		18%
08/09/07	$71.60		18%
08/08/07	$72.18	30	16%
08/07/07	$72.43	29	16%
08/06/07	$72.07	28	16%
08/03/07	$75.49	27	16%
08/02/07	$76.87	26	16%
08/01/07	$76.54	25	16%
07/31/07	$78.22	24	16%
07/30/07	$76.84	23	16%
07/27/07	$77.03	22	16%
07/26/07	$74.96	21	16%
07/25/07	$75.99	20	16%
07/24/07	$73.52	19	16%
07/23/07	$74.70	18	16%
07/20/07	$75.58	17	16%
07/19/07	$75.93	16	16%
07/18/07	$75.06	15	16%
07/17/07	$74.03	14	16%
07/16/07	$74.16	13	16%
07/13/07	$73.94	12	16%
07/12/07	$72.51	11	16%
07/11/07	$72.57	10	16%
07/10/07	$72.20	9	16%
07/09/07	$72.20	8	16%
07/06/07	$72.82	7	16%
07/05/07	$71.82	6	16%
07/03/07	$71.42	5	16%
07/02/07	$71.10	4	16%
06/29/07	$70.69	3	16%
06/28/07	$69.57	30	14%
06/27/07	$68.98	29	14%
06/26/07	$67.78	28	14%
06/25/07	$68.94	27	14%
06/22/07	$68.90	26	14%
06/21/07	$67.93	25	14%
06/20/07	$68.20	24	14%
06/19/07	$69.11	23	14%
06/18/07	$69.10	22	14%
06/15/07	$68.00	21	14%
06/14/07	$67.66	20	14%
06/13/07	$66.27	19	14%
06/12/07	$65.36	18	14%
06/11/07	$65.97	17	14%
06/08/07	$64.76	16	14%
06/07/07	$66.93	15	14%
06/06/07	$65.97	14	14%
06/05/07	$65.62	13	14%
06/04/07	$66.22	12	14%
06/01/07	$65.02	11	14%
05/31/07	$64.02	10	14%
05/30/07	$63.50	9	14%
05/29/07	$63.16	8	14%
05/25/07	$64.76	7	14%
05/24/07	$63.59	6	14%
05/23/07	$65.08	5	14%
05/22/07	$64.98	4	14%
05/21/07	$66.28	3	14%
05/18/07	$64.95	2	14%
05/17/07	$64.87	1	14%
05/16/07	$62.56		14%
05/15/07	$63.18	1	14%
05/14/07	$62.47		14%
05/11/07	$62.38		14%
05/10/07	$61.82		14%
05/09/07	$61.56		14%
05/08/07	$62.27		14%
05/07/07	$61.48		14%
05/04/07	$61.94		14%
05/03/07	$63.20	10	14%
05/02/07	$63.68	9	14%
05/01/07	$64.41	8	14%
04/30/07	$65.71	7	14%
04/27/07	$66.47	6	14%
04/26/07	$65.07	5	14%
04/25/07	$65.12	4	14%
04/24/07	$63.91	3	14%
04/23/07	$65.35	2	14%
04/20/07	$63.39	1	14%
04/19/07	$61.84		14%
04/18/07	$63.14	5	14%
04/17/07	$63.11	4	14%
04/16/07	$63.85	3	14%
04/13/07	$63.64	2	14%
04/12/07	$63.86	1	14%
04/11/07	$62.02		14%
04/10/07	$61.90		14%
04/09/07	$61.52		14%
04/05/07	$64.29	7	14%
04/04/07	$64.39	6	14%
04/03/07	$64.65	5	14%
04/02/07	$65.95	4	14%
03/30/07	$65.88	3	14%
03/29/07	$66.04	2	14%
03/28/07	$64.09	1	14%
03/27/07	$62.94		14%
03/26/07	$62.92		14%
03/23/07	$61.49		14%
03/22/07	$60.65		14%
03/21/07	$57.37		14%	5
03/20/07	$56.74		14%	4
03/19/07	$56.60		14%	3
03/16/07	$57.12		14%	2
03/15/07	$57.56		14%	1
03/14/07	$58.17		14%
03/13/07	$57.94		14%	1
03/12/07	$58.92		14%
03/09/07	$60.06		14%
03/08/07	$61.65		14%
03/07/07	$61.83		14%
03/06/07	$60.70		14%
03/05/07	$60.08		14%
03/02/07	$61.65		14%
03/01/07	$62.01		14%
02/28/07	$61.80		14%
02/27/07	$61.47		14%
02/26/07	$61.40		14%
02/23/07	$60.53		14%
02/22/07	$59.56		14%
02/21/07	$59.53		14%
02/20/07	$58.08		14%
02/16/07	$59.41		14%
02/15/07	$58.00		14%
02/14/07	$58.00		14%
02/13/07	$59.06		14%
02/12/07	$57.82		14%	1
02/09/07	$59.90		14%
02/08/07	$59.72		14%
02/07/07	$57.72		14%	1
02/06/07	$58.89		14%
02/05/07	$58.75		14%
02/02/07	$59.03		14%
02/01/07	$57.31		14%	1
01/31/07	$58.15		14%
01/30/07	$56.98		14%	18
01/29/07	$54.02		14%	17
01/26/07	$55.43		14%	16
01/25/07	$53.59		14%	15
01/24/07	$54.73		14%	14
01/23/07	$53.90		14%	13
01/22/07	$51.14		14%	12
01/19/07	$52.00		14%	11
01/18/07	$50.49		14%	10
01/17/07	$52.25		14%	9
01/16/07	$51.22		14%	8
01/12/07	$53.00		14%	7
01/11/07	$51.89		14%	6
01/10/07	$54.03		14%	5
01/09/07	$55.65		14%	4
01/08/07	$56.10		14%	3
01/05/07	$56.32		14%	2
01/04/07	$55.60		14%	1
01/03/07	$58.33		14%