ZOGENIX INC

CUSIP: 98978L105 Class: CMN

DRW Securities, LLC's Holding History (CIK: 0001481986)

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

Q4 2013
Shares 446,317 Value ($000) $1,535 Avg Close — Range —
Q3 2013
Shares 517,613 Value ($000) $1,496 Avg Close — Range —