DYNAVAX TECHNOLOGIES CORP

CUSIP: 268158201 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.

Q1 2016
Shares 70,000 Value ($000) $1,347,000 Avg Close — Range —
Q4 2015
Shares 10,000 Value ($000) $242,000 Avg Close — Range —