ZOGENIX INC

CUSIP: 98978L105 Class: CMN

HighTower Advisors, LLC's Holding History (CIK: 0001462245)

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

Q1 2014
Shares 26,650 Value ($000) $76 Avg Close — Range —
Q4 2013
Shares 200,830 Value ($000) $691 Avg Close — Range —