OLIN CORP

Ticker: OLN CUSIP: 680665205 Class: COM PAR $1

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2017

Shares 118,960 Value ($000) $4,233 Avg Close $28.32 Range $26.63 - $29.81

Q2 2016

Shares 521,960 Value ($000) $12,965 Avg Close $16.42 Range $12.53 - $19.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	118,960	$4,233	$28.32	$26.63 - $29.81
Q2 2016	521,960	$12,965	$16.42	$12.53 - $19.10