Berkshire Hathaway Inc

Insider Trading: Purchases

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
DVA	$109.51	56,823	$6,222,669.68	10,539,935	2012-10-16	Filing
DVA	$109.99	1,500	$164,983.05	10,483,112	2012-10-12	Filing
DVA	$111.21	800	$88,970.00	10,481,612	2012-10-11	Filing
DVA	$110.68	20,200	$2,235,814.78	10,480,812	2012-10-11	Filing
DVA	$109.79	64,418	$7,072,271.85	10,460,612	2012-10-11	Filing
DVA	$109.97	28,500	$3,134,088.00	10,396,194	2012-10-10	Filing
DVA	$109.51	100,302	$10,984,413.05	10,367,694	2012-10-10	Filing
DVA	$108.29	1,877	$203,256.58	10,267,392	2012-10-10	Filing
DVA	$108.21	10,900	$1,179,504.26	10,265,515	2012-10-09	Filing
DVA	$107.61	57,046	$6,138,645.90	10,254,615	2012-10-09	Filing
DVA	$103.73	4,870	$505,151.46	10,197,569	2012-09-28	Filing
DVA	$103.37	63,630	$6,577,668.53	10,192,699	2012-09-28	Filing
DVA	$102.20	29,300	$2,994,334.01	10,129,069	2012-09-28	Filing
DVA	$102.34	64,178	$6,568,085.62	10,099,769	2012-09-27	Filing
DVA	$101.20	24,673	$2,497,023.56	10,035,591	2012-09-27	Filing
DVA	$101.57	8,099	$822,621.91	10,010,918	2012-09-26	Filing
DVA	$100.96	87,653	$8,849,806.26	10,002,819	2012-09-26	Filing
WSC	$0.00	1,416,720	$0.00	0	2011-06-24	Filing
BNI	$0.00	264,507,434	$0.00	0	2010-02-12	Filing
BNI	$61.65	1,882,000	$116,030,757.80	74,452,029	2009-01-20	Filing