ZOGENIX INC

CUSIP: 98978L105 Class: CMN

FMR LLC's Holding History (CIK: 0000315066)

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

Q2 2015
Shares 11,089,697 Value ($000) $18,631 Avg Close — Range —
Q1 2015
Shares 11,089,697 Value ($000) $15,193 Avg Close — Range —
Q4 2014
Shares 11,089,697 Value ($000) $15,193 Avg Close — Range —
Q3 2014
Shares 11,089,697 Value ($000) $12,753 Avg Close — Range —
Q2 2014
Shares 11,089,697 Value ($000) $22,290 Avg Close — Range —
Q1 2014
Shares 11,089,697 Value ($000) $31,550 Avg Close — Range —
Q4 2013
Shares 11,089,697 Value ($000) $38,149 Avg Close — Range —
Q3 2013
Shares 8,689,697 Value ($000) $16,163 Avg Close — Range —
Q2 2013
Shares 5,078,997 Value ($000) $8,685 Avg Close — Range —