STEPAN CO

Ticker: SCL CUSIP: 858586100 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q1 2018

Shares 190 Value ($000) $16 Avg Close $79.22 Range $68.75 - $87.44

Q4 2017

Shares 3,066 Value ($000) $242 Avg Close $82.11 Range $77.79 - $89.18

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	190	$16	$79.22	$68.75 - $87.44
Q4 2017	3,066	$242	$82.11	$77.79 - $89.18