MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q1 2022

Shares 1,084 Value ($000) $276 Avg Close $266.04 Range $239.75 - $326.08

Q4 2021

Shares 999 Value ($000) $328 Avg Close $307.32 Range $285.14 - $326.54

Q3 2021

Shares 825 Value ($000) $249 Avg Close $278.11 Range $257.33 - $318.62

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	1,084	$276	$266.04	$239.75 - $326.08
Q4 2021	999	$328	$307.32	$285.14 - $326.54
Q3 2021	825	$249	$278.11	$257.33 - $318.62