Exhibit 99.1

The following table sets forth the acquisitions of Common Stock by Cascade Investment L.L.C. during the past 60 days.  All of the acquisitions were affected on the New York Stock Exchange through Electronic Communication Networks.

Purchase Date	Purchase Price Per Share	Number of Shares Purchased
08/05/08	32.8100	3,100
08/05/08	32.8500	400
08/05/08	32.8600	7,400
08/05/08	32.8650	1,400
08/05/08	32.8700	15,600
08/05/08	32.8750	6,200
08/05/08	32.8770	200
08/05/08	32.8800	300
08/05/08	32.8950	1,300
08/05/08	32.9000	2,923
08/05/08	32.9900	2,152
08/05/08	32.9950	600
08/05/08	33.0000	108,075
08/05/08	33.0100	7,100
08/05/08	33.0150	300
08/05/08	33.0200	7,750
08/05/08	33.0250	200
08/05/08	33.0300	19,085
08/05/08	33.0400	6,412
08/05/08	33.0600	5,100
08/05/08	33.0650	200
08/05/08	33.0700	26,203
08/05/08	33.0800	1,500
08/05/08	33.0900	1,600
08/05/08	33.1000	16,500
08/05/08	33.1300	14,600
08/05/08	33.1400	900
08/05/08	33.1500	1,700
08/05/08	33.1700	13,000
08/05/08	33.1900	1,200
08/05/08	33.2000	18,729
08/05/08	33.2200	18,900
08/05/08	33.2300	9,802
08/05/08	33.2400	2,300
08/05/08	33.2500	25,071
08/05/08	33.3100	1,600
08/05/08	33.3200	5,198
08/05/08	33.3300	300
08/05/08	33.3400	1,300
08/05/08	33.3500	300
08/05/08	33.3600	600
08/05/08	33.3700	1,900
08/05/08	33.4600	3,800
08/05/08	33.5400	200
08/05/08	33.5500	4,200
08/05/08	33.5600	600
08/05/08	33.5700	6,647
08/05/08	33.5800	3,600
08/05/08	33.5900	3,700
08/05/08	33.6000	1,700

Purchase Date	Purchase Price Per Share	Number of Shares Purchased
08/05/08	33.6200	600
08/05/08	33.6300	1,000
08/05/08	33.6400	8,075
08/05/08	33.6500	15,925
08/05/08	33.6600	200
08/05/08	33.6700	7,300
08/05/08	33.6900	1,400
08/05/08	33.7000	2,600
08/05/08	33.7400	3,500
08/05/08	33.7500	753
08/05/08	33.7600	200
08/06/08	33.2500	2,100
08/06/08	33.3500	500
08/06/08	33.4000	400
08/06/08	33.5000	15,937
08/06/08	33.5100	6,500
08/06/08	33.5300	3,300
08/06/08	33.5400	700
08/06/08	33.5500	12,263
08/06/08	33.5600	100
08/06/08	33.5700	4,800
08/06/08	33.5800	600
08/06/08	33.5900	100
08/06/08	33.6000	15,604
08/06/08	33.6100	5,896
08/06/08	33.6300	2,100
08/06/08	33.6400	1,300
08/06/08	33.6500	2,800
08/06/08	33.7300	700
08/06/08	33.7700	900
08/06/08	33.8000	9,900
08/06/08	33.8200	600
08/06/08	33.8300	100
08/06/08	33.8500	1,400
08/06/08	33.9300	4,500
08/06/08	33.9400	500
08/06/08	33.9500	2,000
08/06/08	33.9700	600
08/06/08	33.9800	1,600
08/06/08	33.9850	200
08/06/08	33.9900	2,600
08/06/08	34.0000	1,600
08/06/08	34.0100	1,200
08/06/08	34.0150	300
08/06/08	34.0200	2,200
08/06/08	34.0250	200
08/06/08	34.0300	4,500
08/06/08	34.0400	200
08/06/08	34.0500	400
08/06/08	34.0600	600

Purchase Date	Purchase Price Per Share	Number of Shares Purchased
08/06/08	34.1000	1,900
08/06/08	34.1100	5,000
08/06/08	34.1150	600
08/06/08	34.1200	5,097
08/06/08	34.1300	1,167
08/06/08	34.1350	200
08/06/08	34.1400	2,501
08/06/08	34.1450	1,000
08/06/08	34.1500	3,600
08/06/08	34.1550	600
08/06/08	34.1600	4,836
08/06/08	34.1650	199
08/06/08	34.1700	800
08/06/08	34.1800	1,600
08/06/08	34.1900	1,700
08/06/08	34.2000	2,700
08/06/08	34.2100	4,600
08/06/08	34.2150	4,100
08/06/08	34.2200	7,000
08/06/08	34.2250	1,400
08/06/08	34.2300	4,837
08/06/08	34.2350	333
08/06/08	34.2400	6,599
08/06/08	34.2450	1,500
08/06/08	34.2500	4,634
08/06/08	34.2550	1,900
08/06/08	34.2600	8,400
08/06/08	34.2650	500
08/06/08	34.2700	6,366
08/06/08	34.2750	1,600
08/06/08	34.2800	4,266
08/06/08	34.2850	1,401
08/06/08	34.2900	8,230
08/06/08	34.2950	934
08/06/08	34.3000	2,773
08/06/08	34.3050	600
08/06/08	34.3100	3,833
08/06/08	34.3150	300
08/06/08	34.3200	8,243
08/06/08	34.3250	1,591
08/06/08	34.3300	37,315
08/06/08	34.3350	300
08/06/08	34.3400	6,818
08/06/08	34.3500	16,449
08/06/08	34.3600	823
08/06/08	34.3700	500
08/06/08	34.3800	2,000
08/06/08	34.3850	700
08/06/08	34.3900	4,000
08/06/08	34.4000	55,388

Purchase Date	Purchase Price Per Share	Number of Shares Purchased
08/06/08	34.4100	15,000
08/06/08	34.4200	13,667
08/06/08	34.4250	200
08/06/08	34.4300	6,033
08/06/08	34.4400	2,799
08/06/08	34.4450	800
08/06/08	34.4500	23,130
08/06/08	34.4550	2,400
08/06/08	34.4600	48,025
08/06/08	34.4650	3,433
08/06/08	34.4700	37,080
08/06/08	34.4750	1,367
08/06/08	34.4800	6,988
08/06/08	34.4850	2,000
08/06/08	34.4900	12,883
08/06/08	34.4950	5,500
08/06/08	34.5000	51,539
08/06/08	34.5050	700
08/06/08	34.5100	5,000
08/06/08	34.5150	2,600
08/06/08	34.5200	900
08/06/08	34.5250	300
08/06/08	34.5300	3,800
08/06/08	34.5350	700
08/06/08	34.5400	4,642
08/06/08	34.5450	2,800
08/06/08	34.5500	19,958
08/06/08	34.5550	2,100
08/06/08	34.5600	1,700
08/06/08	34.5700	2,300
08/06/08	34.5750	2,500
08/06/08	34.5800	4,800
08/06/08	34.5900	100
08/06/08	34.6000	1,100
08/06/08	34.6100	900
08/06/08	34.6150	300
08/06/08	34.6200	400
08/06/08	34.6250	2,500
08/06/08	34.6400	2,100
08/06/08	34.6500	900
08/06/08	34.6600	600
08/06/08	34.6700	100
08/06/08	34.6800	1,125
08/06/08	34.6900	3,200
08/06/08	34.7000	1,800
08/06/08	34.7150	1,800
08/06/08	34.7300	1,333
08/06/08	34.7400	2,667
08/06/08	34.7450	500
08/06/08	34.7500	3,400

Purchase Date	Purchase Price Per Share	Number of Shares Purchased
08/06/08	34.7800	1,075
08/06/08	34.7850	200
08/06/08	34.8500	1,100
08/06/08	34.8850	1,000
08/06/08	34.8900	2,800
08/06/08	34.9050	200
08/06/08	34.9100	1,900
08/06/08	34.9300	2,100
08/06/08	34.9350	800
08/06/08	34.9400	2,925
08/06/08	34.9450	200
08/06/08	34.9500	6,421
08/06/08	34.9550	400
08/06/08	34.9600	1,900
08/06/08	34.9650	1,275
08/06/08	34.9700	1,900
08/06/08	34.9750	300
08/06/08	34.9800	2,300
08/07/08	33.8200	800
08/07/08	33.8500	12,400
08/07/08	33.8700	2,000
08/07/08	33.8900	200
08/07/08	33.9000	2,400
08/07/08	33.9200	200
08/07/08	33.9300	2,700
08/07/08	33.9800	402
08/07/08	33.9900	100
08/07/08	34.0000	700
08/07/08	34.0200	100
08/07/08	34.0300	200
08/07/08	34.0400	500
08/07/08	34.0500	11,500
08/07/08	34.1000	1,900
08/07/08	34.1450	100
08/07/08	34.1799	1,000
08/07/08	34.1850	100
08/07/08	34.1900	100
08/07/08	34.2000	2,900
08/07/08	34.2100	100
08/07/08	34.2150	100
08/07/08	34.2200	2,430
08/07/08	34.2250	800
08/07/08	34.2300	27,100
08/07/08	34.2399	600
08/07/08	34.2400	12,305
08/07/08	34.2499	900
08/07/08	34.2500	58,810
08/07/08	34.2550	695
08/07/08	34.2599	700
08/07/08	34.2600	6,110

Purchase Date	Purchase Price Per Share	Number of Shares Purchased
08/07/08	34.2699	1,100
08/07/08	34.2700	14,200
08/07/08	34.2800	26,720
08/07/08	34.2900	5,000
08/07/08	34.2950	400
08/07/08	34.3000	10,120
08/07/08	34.3050	300
08/07/08	34.3100	100
08/07/08	34.3150	100
08/07/08	34.3200	25,500
08/07/08	34.3250	300
08/07/08	34.3299	1,000
08/07/08	34.3300	210
08/07/08	34.3400	200
08/07/08	34.3450	100
08/07/08	34.3500	25,900
08/07/08	34.4000	42,643
08/07/08	34.4050	100
08/07/08	34.4100	2,210
08/07/08	34.4150	1,100
08/07/08	34.4200	908
08/07/08	34.4250	100
08/07/08	34.4300	1,200
08/07/08	34.4450	100
08/07/08	34.4500	26,257
08/07/08	34.4550	400
08/07/08	34.4600	2,110
08/07/08	34.4650	932
08/07/08	34.4700	1,010
08/07/08	34.4750	1,000
08/07/08	34.4800	8,810
08/07/08	34.4850	4,300
08/07/08	34.4899	800
08/07/08	34.4900	15,320
08/07/08	34.4950	2,000
08/07/08	34.4999	500
08/07/08	34.5000	35,100
08/07/08	34.5400	500
08/07/08	34.5500	8,500
08/07/08	34.5550	400
08/07/08	34.5600	200
08/07/08	34.5700	100
08/07/08	34.5800	1,400
08/07/08	34.5900	100
08/07/08	34.5950	200
08/07/08	34.6000	2,880
08/07/08	34.6050	700
08/07/08	34.6100	6,100
08/07/08	34.6150	1,300
08/07/08	34.6200	9,375

Purchase Date	Purchase Price Per Share	Number of Shares Purchased
08/07/08	34.6250	3,000
08/07/08	34.6300	3,688
08/07/08	34.6400	3,325
08/07/08	34.6450	200
08/07/08	34.6500	21,632
08/07/08	34.6550	3,700
08/07/08	34.6600	2,400
08/07/08	34.6650	3,300
08/07/08	34.6700	1,100
08/07/08	34.6750	300
08/07/08	34.6799	700
08/07/08	34.6800	8,500
08/07/08	34.6900	600
08/07/08	34.7000	6,698
08/08/08	34.3400	600
08/08/08	34.3500	100
08/08/08	34.3600	1,800
08/08/08	34.3700	1,700
08/08/08	34.3750	400
08/08/08	34.3800	1,700
08/08/08	34.3900	1,100
08/08/08	34.4000	19,600
08/08/08	34.4050	6,000
08/08/08	34.4100	23,247
08/08/08	34.4200	1,410
08/08/08	34.4250	1,000
08/08/08	34.4300	18,738
08/08/08	34.4350	5,500
08/08/08	34.4400	36,575
08/08/08	34.4450	2,100
08/08/08	34.4500	134,375
08/08/08	34.4550	3,188
08/08/08	34.4600	24,214
08/08/08	34.4650	500
08/08/08	34.4699	1,200
08/08/08	34.4700	3,480
08/08/08	34.4750	1,800
08/08/08	34.4800	2,100
08/08/08	34.4850	3,500
08/08/08	34.4899	2,000
08/08/08	34.4900	7,782
08/08/08	34.4950	800
08/08/08	34.4970	200
08/08/08	34.5000	178,625
08/08/08	34.5700	9,839
08/08/08	34.5950	200
08/08/08	34.6000	1,870
08/08/08	34.6050	400
08/08/08	34.6100	800
08/08/08	34.6200	1,200

Purchase Date	Purchase Price Per Share	Number of Shares Purchased
08/08/08	34.6300	1,735
08/08/08	34.6350	900
08/08/08	34.6400	525
08/08/08	34.6450	200
08/08/08	34.6500	2,640
08/08/08	34.6550	1,500
08/08/08	34.6600	3,530
08/08/08	34.6650	1,000
08/08/08	34.6700	4,700
08/08/08	34.6750	800
08/08/08	34.6800	3,800
08/08/08	34.6850	400
08/08/08	34.6900	1,300
08/08/08	34.6950	600
08/08/08	34.7000	3,400
08/08/08	34.7100	1,600
08/08/08	34.7150	400
08/08/08	34.7200	200
08/08/08	34.7300	1,700
08/08/08	34.7350	700
08/08/08	34.7400	2,100
08/08/08	34.7450	2,300
08/08/08	34.7500	3,700
08/08/08	34.7550	700
08/08/08	34.7700	500
08/08/08	34.7900	300
08/08/08	34.8000	400
08/08/08	34.8150	600
08/08/08	34.8200	7,227
08/08/08	34.8250	400
08/08/08	34.8300	100
08/08/08	34.8350	200
08/08/08	34.8400	200
08/11/08	34.5700	800
08/11/08	34.5750	100
08/11/08	34.5800	300
08/11/08	34.5900	2,100
08/11/08	34.6000	2,700
08/11/08	34.6050	7,500
08/11/08	34.6100	4,335
08/11/08	34.6150	200
08/11/08	34.6200	1,880
08/11/08	34.6300	4,020
08/11/08	34.6350	8,700
08/11/08	34.6400	5,200
08/11/08	34.6450	600
08/11/08	34.6480	9,200
08/11/08	34.6499	1,000
08/11/08	34.6500	6,075
08/11/08	34.6600	4,535

Purchase Date	Purchase Price Per Share	Number of Shares Purchased
08/11/08	34.6700	9,490
08/11/08	34.6800	4,905
08/11/08	34.6850	4,100
08/11/08	34.6900	15,594
08/11/08	34.6950	3,337
08/11/08	34.7000	6,660
08/11/08	34.7050	1,974
08/11/08	34.7100	10,116
08/11/08	34.7150	400
08/11/08	34.7200	5,790
08/11/08	34.7250	1,200
08/11/08	34.7299	400
08/11/08	34.7300	15,220
08/11/08	34.7350	1,500
08/11/08	34.7400	30,106
08/11/08	34.7450	9,500
08/11/08	34.7499	200
08/11/08	34.7500	95,647
08/11/08	34.7550	15,700
08/11/08	34.7599	900
08/11/08	34.7600	51,584
08/11/08	34.7650	5,300
08/11/08	34.7670	1,400
08/11/08	34.7680	3,000
08/11/08	34.7700	9,337
08/11/08	34.7750	2,200
08/11/08	34.7800	11,500
08/11/08	34.7850	5,100
08/11/08	34.7900	13,663
08/11/08	34.7950	6,363
08/11/08	34.8000	86,200
08/11/08	34.8050	3,800
08/11/08	34.8100	11,965
08/11/08	34.8150	900
08/11/08	34.8200	10,100
08/11/08	34.8250	300
08/11/08	34.8300	3,000
08/11/08	34.8350	200
08/11/08	34.8400	2,785
08/11/08	34.8500	12,610
08/11/08	34.8550	2,900
08/11/08	34.8600	5,825
08/11/08	34.8650	2,700
08/11/08	34.8700	5,900
08/11/08	34.8750	2,500
08/11/08	34.8800	10,300
08/11/08	34.8850	1,600
08/11/08	34.8900	6,065
08/11/08	34.8950	5,900
08/11/08	34.9000	25,714

Purchase Date	Purchase Price Per Share	Number of Shares Purchased
08/11/08	34.9100	14,800
08/11/08	34.9150	500
08/11/08	34.9200	7,500
08/11/08	34.9250	400
08/11/08	34.9300	7,915
08/11/08	34.9320	6,200
08/11/08	34.9350	8,800
08/11/08	34.9400	4,345
08/11/08	34.9450	2,900
08/11/08	34.9499	200
08/11/08	34.9500	11,540
08/11/08	34.9510	200
08/11/08	34.9525	300
08/11/08	34.9550	2,400
08/11/08	34.9600	16,730
08/11/08	34.9650	1,200
08/11/08	34.9699	1,200
08/11/08	34.9700	9,900
08/11/08	34.9750	1,200
08/11/08	34.9800	6,700
08/11/08	34.9810	300
08/11/08	34.9850	700
08/11/08	34.9888	200
08/11/08	34.9889	100
08/11/08	34.9891	200
08/11/08	34.9892	200
08/11/08	34.9893	300
08/11/08	34.9894	100
08/11/08	34.9895	300
08/11/08	34.9896	500
08/11/08	34.9897	1,000
08/11/08	34.9898	300
08/11/08	34.9899	600
08/11/08	34.9900	75,836
08/11/08	34.9910	300
08/11/08	34.9925	100
08/11/08	34.9950	2,300
08/11/08	34.9984	100
08/11/08	34.9995	300
08/11/08	34.9996	200
08/11/08	34.9998	1,000
08/11/08	34.9999	500
08/11/08	35.0000	539,554
08/11/08	35.0010	100
08/11/08	35.0050	900
08/11/08	35.0100	2,900
08/11/08	35.0200	500
08/11/08	35.0300	85
08/11/08	35.0500	4,700
08/11/08	35.0550	700

Purchase Date	Purchase Price Per Share	Number of Shares Purchased
08/11/08	35.0600	400
08/11/08	35.0700	400
08/11/08	35.1000	500
08/11/08	35.1100	200
08/11/08	35.1150	200
08/11/08	35.1200	1,500
08/11/08	35.1250	600
08/11/08	35.1350	200
08/11/08	35.1400	200
08/11/08	35.1500	1,700
08/11/08	35.1600	500
08/11/08	35.1700	500
08/11/08	35.1800	600
08/12/08	34.4000	600
08/12/08	34.4200	600
08/12/08	34.4300	1,100
08/12/08	34.4400	100
08/12/08	34.4500	200
08/12/08	34.4600	3,200
08/12/08	34.4650	2,500
08/12/08	34.4700	200
08/12/08	34.4750	1,300
08/12/08	34.4800	600
08/12/08	34.4850	400
08/12/08	34.4900	1,400
08/12/08	34.4950	1,000
08/12/08	34.5000	1,700
08/12/08	34.5050	400
08/12/08	34.5100	500
08/12/08	34.5200	5,300
08/12/08	34.5250	2,800
08/12/08	34.5300	1,700
08/12/08	34.5350	3,200
08/12/08	34.5400	6,400
08/12/08	34.5450	4,200
08/12/08	34.5500	5,200
08/12/08	34.5550	4,100
08/12/08	34.5600	400
08/12/08	34.5650	1,700
08/12/08	34.5700	900
08/12/08	34.5750	1,000
08/12/08	34.5800	1,700
08/12/08	34.5850	600
08/12/08	34.5900	2,100
08/12/08	34.5950	400
08/12/08	34.6000	4,935
08/12/08	34.6050	3,065
08/12/08	34.6100	600
08/12/08	34.6300	400
08/12/08	34.6400	7,269

Purchase Date	Purchase Price Per Share	Number of Shares Purchased
08/12/08	34.6500	2,800
08/12/08	34.6600	2,300
08/12/08	34.6800	600
08/12/08	34.6900	5,275
08/12/08	34.6950	1,700
08/12/08	34.7000	4,025
08/12/08	34.7050	2,300
08/12/08	34.7100	5,585
08/12/08	34.7150	200
08/12/08	34.7200	2,515
08/12/08	34.7250	2,100
08/12/08	34.7300	1,100
08/12/08	34.7350	1,300
08/12/08	34.7400	1,600
08/12/08	34.7450	1,010
08/12/08	34.7500	2,200
08/12/08	34.7550	592
08/12/08	34.7600	2,200
08/12/08	34.7650	3,000
08/12/08	34.7700	3,080
08/12/08	34.7750	5,500
08/12/08	34.7800	3,400
08/12/08	34.7850	3,216
08/12/08	34.7900	1,600
08/12/08	34.7950	1,200
08/12/08	34.8000	7,712
08/12/08	34.8050	3,900
08/12/08	34.8100	4,700
08/12/08	34.8150	900
08/12/08	34.8200	1,400
08/12/08	34.8250	600
08/12/08	34.8300	2,800
08/12/08	34.8350	3,100
08/12/08	34.8400	6,100
08/12/08	34.8450	3,800
08/12/08	34.8500	166,500
08/12/08	34.8550	2,450
08/12/08	34.8600	2,000
08/12/08	34.8650	900
08/12/08	34.8700	6,000
08/12/08	34.8750	6,506
08/12/08	34.8800	16,270
08/12/08	34.8850	7,074
08/12/08	34.8899	400
08/12/08	34.8900	21,931
08/12/08	34.8950	15,288
08/12/08	34.9000	207,681
08/12/08	34.9050	5,300
08/12/08	34.9100	7,200
08/12/08	34.9150	1,800

Purchase Date	Purchase Price Per Share	Number of Shares Purchased
08/12/08	34.9200	5,400
08/12/08	34.9250	800
08/12/08	34.9299	1,600
08/12/08	34.9300	1,500
08/12/08	34.9400	2,812
08/12/08	34.9450	1,300
08/12/08	34.9499	200
08/12/08	34.9500	5,300
08/12/08	34.9550	1,300
08/12/08	34.9600	5,900
08/12/08	34.9650	2,900
08/12/08	34.9700	2,800
08/12/08	34.9750	800
08/12/08	34.9800	7,300
08/12/08	34.9850	600
08/12/08	34.9900	1,200
08/12/08	34.9950	700
08/12/08	35.0100	600
08/12/08	35.0150	400
08/12/08	35.0350	200
08/12/08	35.0400	600
08/12/08	35.0450	200
08/12/08	35.0500	100