ZOGENIX INC

CUSIP: 98978L105 Class: CMN

ProShare Advisors LLC's Holding History (CIK: 0001357955)

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

Q2 2015
Shares 19,353 Value ($000) $33 Avg Close — Range —
Q1 2015
Shares 23,735 Value ($000) $33 Avg Close — Range —
Q4 2014
Shares 26,378 Value ($000) $36 Avg Close — Range —
Q3 2014
Shares 121,473 Value ($000) $140 Avg Close — Range —
Q2 2014
Shares 144,582 Value ($000) $291 Avg Close — Range —
Q1 2014
Shares 205,692 Value ($000) $585 Avg Close — Range —
Q4 2013
Shares 68,072 Value ($000) $234 Avg Close — Range —
Q3 2013
Shares 81,242 Value ($000) $151 Avg Close — Range —
Q2 2013
Shares 54,701 Value ($000) $94 Avg Close — Range —