BERKSHIRE HATHAWAY INC DEL

Ticker: BRK/B CUSIP: 084670702 Class: Common Stock

Mountain Lake Investment Management LLC's Holding History (CIK: 0001308555)

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

Q1 2020

Shares 4,100 Value ($000) $750 Avg Close $212.55 Range $159.50 - $231.61

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	4,100	$750	$212.55	$159.50 - $231.61