CHASE CORP

CUSIP: 16150R104 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q2 2016
Shares 200 Value ($000) $12 Avg Close — Range —
Q1 2016
Shares 300 Value ($000) $16 Avg Close — Range —