MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

MARCO INVESTMENT MANAGEMENT LLC's Holding History (CIK: 0001080493)

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

Q4 2021

Shares 675 Value ($000) $221 Avg Close $307.32 Range $285.14 - $326.54

Q3 2021

Shares 675 Value ($000) $204 Avg Close $278.11 Range $257.33 - $318.62

Q4 2020

Shares 750 Value ($000) $215 Avg Close $268.73 Range $247.92 - $285.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	675	$221	$307.32	$285.14 - $326.54
Q3 2021	675	$204	$278.11	$257.33 - $318.62
Q4 2020	750	$215	$268.73	$247.92 - $285.33