MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

Paloma Partners Management Co's Holding History (CIK: 0001103882)

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

Q1 2019

Shares 2,148 Value ($000) $495 Avg Close $219.75 Range $195.71 - $235.22

Q2 2018

Shares 1,346 Value ($000) $284 Avg Close $169.69 Range $134.32 - $207.68

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	2,148	$495	$219.75	$195.71 - $235.22
Q2 2018	1,346	$284	$169.69	$134.32 - $207.68