BERKSHIRE HATHAWAY INC DEL

Ticker: BRK/A CUSIP: 084670108 Class: CL A

Corundum Group, Inc.'s Holding History (CIK: 0001486083)

Note: Option positions (PUT/CALL) are excluded.

Q2 2015

Shares 2 Value ($000) $410 Avg Close $214536.25 Range $204800.00 - $223011.00

Q1 2015

Shares 2 Value ($000) $435 Avg Close $221029.28 Range $215151.00 - $227500.00

Q4 2014

Shares 2 Value ($000) $452 Avg Close $216493.73 Range $198000.00 - $229374.00

Q3 2014

Shares 2 Value ($000) $414 Avg Close $199815.62 Range $185005.00 - $213612.00

Q1 2014

Shares 2 Value ($000) $375 Avg Close $175515.22 Range $163038.00 - $188852.00

Q4 2013

Shares 2 Value ($000) $356 Avg Close $173485.66 Range $166510.00 - $177950.00

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	2	$410	$214536.25	$204800.00 - $223011.00
Q1 2015	2	$435	$221029.28	$215151.00 - $227500.00
Q4 2014	2	$452	$216493.73	$198000.00 - $229374.00
Q3 2014	2	$414	$199815.62	$185005.00 - $213612.00
Q1 2014	2	$375	$175515.22	$163038.00 - $188852.00
Q4 2013	2	$356	$173485.66	$166510.00 - $177950.00