CHASE CORP

CUSIP: 16150R104 Class: Common Stock

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q3 2018
Shares 2,038 Value ($000) $245 Avg Close — Range —
Q3 2016
Shares 3,100 Value ($000) $214 Avg Close — Range —