IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

PATTEN & PATTEN INC/TN's Holding History (CIK: 0001044905)

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

Q1 2014

Shares 3,280 Value ($000) $398 Avg Close $59.57 Range $52.32 - $64.64

Q4 2013

Shares 3,280 Value ($000) $349 Avg Close $52.63 Range $49.56 - $56.55

Q3 2013

Shares 3,100 Value ($000) $278 Avg Close $48.06 Range $43.99 - $50.19

Q2 2013

Shares 3,100 Value ($000) $278 Avg Close $43.69 Range $40.78 - $46.30

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	3,280	$398	$59.57	$52.32 - $64.64
Q4 2013	3,280	$349	$52.63	$49.56 - $56.55
Q3 2013	3,100	$278	$48.06	$43.99 - $50.19
Q2 2013	3,100	$278	$43.69	$40.78 - $46.30