IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

Ruane, Cunniff & Goldfarb L.P.'s Holding History (CIK: 0001720792)

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

Q3 2019

Shares 1,146 Value ($000) $312 Avg Close $278.27 Range $256.27 - $292.17

Q2 2019

Shares 1,146 Value ($000) $316 Avg Close $246.39 Range $214.25 - $278.61

Q1 2019

Shares 1,146 Value ($000) $256 Avg Close $206.43 Range $176.11 - $226.15

Q4 2018

Shares 1,592 Value ($000) $296 Avg Close $205.02 Range $176.15 - $252.69

Q3 2018

Shares 1,592 Value ($000) $397 Avg Close $242.74 Range $215.28 - $256.22

Q2 2018

Shares 1,789 Value ($000) $390 Avg Close $206.05 Range $183.86 - $229.01

Q1 2018

Shares 1,343 Value ($000) $254 Avg Close $184.56 Range $157.53 - $207.14

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	1,146	$312	$278.27	$256.27 - $292.17
Q2 2019	1,146	$316	$246.39	$214.25 - $278.61
Q1 2019	1,146	$256	$206.43	$176.11 - $226.15
Q4 2018	1,592	$296	$205.02	$176.15 - $252.69
Q3 2018	1,592	$397	$242.74	$215.28 - $256.22
Q2 2018	1,789	$390	$206.05	$183.86 - $229.01
Q1 2018	1,343	$254	$184.56	$157.53 - $207.14