MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

Grandeur Peak Global Advisors, LLC's Holding History (CIK: 0001569137)

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

Q2 2015

Shares 23,122 Value ($000) $2,056 Avg Close $80.63 Range $64.55 - $88.64

Q1 2015

Shares 23,122 Value ($000) $1,669 Avg Close $70.91 Range $65.28 - $76.95

Q4 2014

Shares 23,122 Value ($000) $1,788 Avg Close $69.59 Range $54.13 - $80.65

Q2 2013

Shares 11,900 Value ($000) $644 Avg Close $48.72 Range $43.39 - $52.49

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	23,122	$2,056	$80.63	$64.55 - $88.64
Q1 2015	23,122	$1,669	$70.91	$65.28 - $76.95
Q4 2014	23,122	$1,788	$69.59	$54.13 - $80.65
Q2 2013	11,900	$644	$48.72	$43.39 - $52.49