ORION ENGINEERED CARBONS S A

Ticker: OEC CUSIP: L72967109 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q1 2020
Shares 1,018,384 Value ($000) $7,597 Avg Close $14.47 Range $5.93 - $19.71
Q4 2019
Shares 2,207,849 Value ($000) $42,611 Avg Close $18.07 Range $15.41 - $20.78
Q3 2019
Shares 2,092,346 Value ($000) $34,963 Avg Close $16.36 Range $12.10 - $21.87
Q2 2019
Shares 1,040,894 Value ($000) $22,286 Avg Close $19.78 Range $17.52 - $21.71
Q1 2019
Shares 840,281 Value ($000) $15,957 Avg Close $25.12 Range $18.09 - $28.51
Q4 2018
Shares 852,680 Value ($000) $21,556 Avg Close $26.08 Range $23.12 - $33.36
Q3 2018
Shares 1,136,263 Value ($000) $36,474 Avg Close $33.17 Range $30.20 - $36.55
Q2 2018
Shares 1,171,913 Value ($000) $36,154 Avg Close $29.09 Range $26.10 - $33.95
Q1 2018
Shares 1,208,815 Value ($000) $32,759 Avg Close $27.91 Range $25.40 - $30.25
Q1 2017
Shares 217,665 Value ($000) $4,462 Avg Close $20.55 Range $18.50 - $22.20
Q4 2016
Shares 218,435 Value ($000) $4,117 Avg Close $19.08 Range $17.70 - $20.85
Q3 2016
Shares 214,595 Value ($000) $4,022 Avg Close $17.48 Range $15.13 - $19.41
Q2 2016
Shares 214,595 Value ($000) $3,410 Avg Close $15.01 Range $13.52 - $17.03