MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q3 2022

Shares 65 Value ($000) $9 Avg Close $178.97 Range $133.61 - $212.24

Q2 2022

Shares 10 Value ($000) $2 Avg Close $214.62 Range $174.88 - $258.13

Q1 2022

Shares 45 Value ($000) $11 Avg Close $266.04 Range $239.75 - $326.08

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	65	$9	$178.97	$133.61 - $212.24
Q2 2022	10	$2	$214.62	$174.88 - $258.13
Q1 2022	45	$11	$266.04	$239.75 - $326.08