EPIZYME INC

CUSIP: 29428V104 Class: COM

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

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

Q1 2015
Shares 70,000 Value ($000) $1,315,000 Avg Close — Range —