CHASE CORP

CUSIP: 16150R104 Class: Common Stock

MUFG Americas Holdings Corp's Holding History (CIK: 0001011659)

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

Q3 2011
Shares 1,100 Value ($000) $12 Avg Close — Range —
Q1 2011
Shares 15,600 Value ($000) $290 Avg Close — Range —