NATIONAL PRESTO INDS INC

Ticker: NPK CUSIP: 637215104 Class: COM

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

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

Q4 2014

Shares 18,683 Value ($000) $1,084 Avg Close $59.42 Range $54.07 - $63.69

Q3 2014

Shares 15,343 Value ($000) $931 Avg Close $66.40 Range $60.68 - $75.50

Q2 2014

Shares 9,969 Value ($000) $726 Avg Close $71.81 Range $67.09 - $77.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	18,683	$1,084	$59.42	$54.07 - $63.69
Q3 2014	15,343	$931	$66.40	$60.68 - $75.50
Q2 2014	9,969	$726	$71.81	$67.09 - $77.75