HERITAGE CRYSTAL CLEAN INC

CUSIP: 42726M106 Class: Common Stock

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q2 2015
Shares 11,059 Value ($000) $163,000 Avg Close — Range —
Q1 2015
Shares 35,985 Value ($000) $421,000 Avg Close — Range —
Q4 2014
Shares 35,985 Value ($000) $444,000 Avg Close — Range —