MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

BROWN ADVISORY INC's Holding History (CIK: 0001345929)

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

Q1 2019

Shares 3,874 Value ($000) $893 Avg Close $219.75 Range $195.71 - $235.22

Q4 2018

Shares 4,122 Value ($000) $859 Avg Close $189.46 Range $162.53 - $218.23

Q3 2018

Shares 5,910 Value ($000) $1,097 Avg Close $195.39 Range $165.11 - $218.31

Q2 2018

Shares 5,910 Value ($000) $1,247 Avg Close $169.69 Range $134.32 - $207.68

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	3,874	$893	$219.75	$195.71 - $235.22
Q4 2018	4,122	$859	$189.46	$162.53 - $218.23
Q3 2018	5,910	$1,097	$195.39	$165.11 - $218.31
Q2 2018	5,910	$1,247	$169.69	$134.32 - $207.68