Berkshire Hathaway Inc

Insider Trading: Purchases

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
DVA	$109.41	41,032	$4,489,233.16	13,917,965	2013-01-14	Filing
DVA	$110.35	9,200	$1,015,263.24	13,876,933	2013-01-11	Filing
DVA	$109.40	71,900	$7,865,565.21	13,867,733	2013-01-11	Filing
DVA	$109.76	57,700	$6,333,001.98	13,795,833	2013-01-10	Filing
DVA	$109.94	22,464	$2,469,586.58	13,738,133	2013-01-09	Filing
DVA	$109.59	37,702	$4,131,916.76	13,715,669	2013-01-09	Filing
DVA	$109.21	70,032	$7,648,061.66	13,677,967	2013-01-08	Filing
DVA	$107.31	8,800	$944,348.24	13,607,935	2012-12-06	Filing
DVA	$106.76	59,200	$6,320,274.88	13,599,135	2012-12-06	Filing
DVA	$105.76	152,056	$16,080,986.39	13,539,935	2012-12-06	Filing
DVA	$106.76	88,366	$9,434,069.04	13,387,879	2012-12-05	Filing
DVA	$106.23	79,261	$8,419,935.66	13,299,513	2012-12-05	Filing
DVA	$105.26	50,330	$5,297,922.02	13,220,252	2012-12-05	Filing
DVA	$106.69	65,781	$7,017,852.56	13,169,922	2012-12-04	Filing
DVA	$106.10	131,839	$13,988,566.15	13,104,141	2012-12-04	Filing
DVA	$107.70	59,975	$6,459,595.38	12,972,302	2012-11-29	Filing
DVA	$107.31	194,599	$20,881,562.45	12,912,327	2012-11-29	Filing
DVA	$108.49	47,149	$5,114,982.84	12,717,728	2012-11-28	Filing
DVA	$107.90	106,151	$11,453,586.75	12,670,579	2012-11-28	Filing
DVA	$106.87	38,300	$4,093,270.37	12,564,428	2012-11-28	Filing