IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q4 2019

Shares 1,400 Value ($000) $366 Avg Close $263.51 Range $246.74 - $294.57

Q3 2019

Shares 1,400 Value ($000) $381 Avg Close $278.27 Range $256.27 - $292.17

Q1 2019

Shares 19,881 Value ($000) $4,445 Avg Close $206.43 Range $176.11 - $226.15

Q4 2018

Shares 19,681 Value ($000) $3,661 Avg Close $205.02 Range $176.15 - $252.69

Q3 2018

Shares 16,734 Value ($000) $4,178 Avg Close $242.74 Range $215.28 - $256.22

Q2 2018

Shares 19,668 Value ($000) $4,286 Avg Close $206.05 Range $183.86 - $229.01

Q1 2018

Shares 24,247 Value ($000) $4,641 Avg Close $184.56 Range $157.53 - $207.14

Q4 2017

Shares 23,099 Value ($000) $3,612 Avg Close $157.41 Range $146.09 - $168.66

Q3 2017

Shares 23,640 Value ($000) $3,676 Avg Close $158.10 Range $148.80 - $171.37

Q2 2017

Shares 22,763 Value ($000) $3,674 Avg Close $162.40 Range $153.24 - $173.01

Q1 2017

Shares 22,148 Value ($000) $3,424 Avg Close $137.84 Range $113.92 - $155.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	1,400	$366	$263.51	$246.74 - $294.57
Q3 2019	1,400	$381	$278.27	$256.27 - $292.17
Q1 2019	19,881	$4,445	$206.43	$176.11 - $226.15
Q4 2018	19,681	$3,661	$205.02	$176.15 - $252.69
Q3 2018	16,734	$4,178	$242.74	$215.28 - $256.22
Q2 2018	19,668	$4,286	$206.05	$183.86 - $229.01
Q1 2018	24,247	$4,641	$184.56	$157.53 - $207.14
Q4 2017	23,099	$3,612	$157.41	$146.09 - $168.66
Q3 2017	23,640	$3,676	$158.10	$148.80 - $171.37
Q2 2017	22,763	$3,674	$162.40	$153.24 - $173.01
Q1 2017	22,148	$3,424	$137.84	$113.92 - $155.65