MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

BAHL & GAYNOR INC's Holding History (CIK: 0000872259)

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

Q1 2018

Shares 13,172 Value ($000) $1,955 Avg Close $132.07 Range $118.48 - $150.10

Q4 2017

Shares 12,445 Value ($000) $1,547 Avg Close $135.32 Range $118.50 - $157.82

Q3 2017

Shares 12,545 Value ($000) $1,873 Avg Close $136.33 Range $123.49 - $150.04

Q2 2017

Shares 10,680 Value ($000) $1,530 Avg Close $137.24 Range $116.47 - $164.05

Q1 2017

Shares 9,835 Value ($000) $1,207 Avg Close $118.09 Range $109.46 - $123.38

Q4 2016

Shares 8,785 Value ($000) $1,078 Avg Close $120.22 Range $105.07 - $132.08

Q3 2016

Shares 7,330 Value ($000) $838 Avg Close $109.60 Range $98.18 - $123.04

Q2 2016

Shares 5,195 Value ($000) $639 Avg Close $103.44 Range $88.28 - $126.77

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	13,172	$1,955	$132.07	$118.48 - $150.10
Q4 2017	12,445	$1,547	$135.32	$118.50 - $157.82
Q3 2017	12,545	$1,873	$136.33	$123.49 - $150.04
Q2 2017	10,680	$1,530	$137.24	$116.47 - $164.05
Q1 2017	9,835	$1,207	$118.09	$109.46 - $123.38
Q4 2016	8,785	$1,078	$120.22	$105.07 - $132.08
Q3 2016	7,330	$838	$109.60	$98.18 - $123.04
Q2 2016	5,195	$639	$103.44	$88.28 - $126.77