TRINSEO S A

CUSIP: L9340P101 Class: COM

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

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

Q2 2017
Shares 76,684 Value ($000) $5,268 Avg Close — Range —
Q1 2017
Shares 112,660 Value ($000) $7,559 Avg Close — Range —