STEPAN CO

Ticker: SCL CUSIP: 858586100 Class: Common Stock

GW&K Investment Management, LLC's Holding History (CIK: 0001082917)

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

Q2 2015

Shares 75,402 Value ($000) $4,080 Avg Close $49.34 Range $41.34 - $55.22

Q1 2015

Shares 72,955 Value ($000) $3,039 Avg Close $39.81 Range $37.20 - $41.80

Q4 2014

Shares 163,315 Value ($000) $6,546 Avg Close $42.47 Range $36.34 - $46.85

Q3 2014

Shares 163,069 Value ($000) $7,237 Avg Close $48.97 Range $44.22 - $54.14

Q2 2014

Shares 160,431 Value ($000) $8,480 Avg Close $56.15 Range $50.98 - $66.51

Q1 2014

Shares 160,228 Value ($000) $10,344 Avg Close $62.71 Range $59.17 - $65.49

Q4 2013

Shares 155,407 Value ($000) $10,199 Avg Close $61.02 Range $56.06 - $67.20

Q3 2013

Shares 151,520 Value ($000) $8,747 Avg Close $57.91 Range $55.51 - $60.31

Q2 2013

Shares 150,666 Value ($000) $8,379 Avg Close $56.48 Range $52.34 - $63.27

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	75,402	$4,080	$49.34	$41.34 - $55.22
Q1 2015	72,955	$3,039	$39.81	$37.20 - $41.80
Q4 2014	163,315	$6,546	$42.47	$36.34 - $46.85
Q3 2014	163,069	$7,237	$48.97	$44.22 - $54.14
Q2 2014	160,431	$8,480	$56.15	$50.98 - $66.51
Q1 2014	160,228	$10,344	$62.71	$59.17 - $65.49
Q4 2013	155,407	$10,199	$61.02	$56.06 - $67.20
Q3 2013	151,520	$8,747	$57.91	$55.51 - $60.31
Q2 2013	150,666	$8,379	$56.48	$52.34 - $63.27