ZOGENIX INC

CUSIP: 98978L204 Class: COM NEW

BAKER BROS. ADVISORS LP's Holding History (CIK: 0001263508)

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

Q2 2017
Shares 185,290 Value ($000) $2,687 Avg Close — Range —
Q1 2017
Shares 381,939 Value ($000) $4,144 Avg Close — Range —
Q4 2016
Shares 838,809 Value ($000) $10,192 Avg Close — Range —
Q3 2016
Shares 1,000,000 Value ($000) $11,430 Avg Close — Range —
Q2 2016
Shares 1,000,000 Value ($000) $8,050 Avg Close — Range —
Q1 2016
Shares 1,000,000 Value ($000) $9,240 Avg Close — Range —
Q4 2015
Shares 1,000,000 Value ($000) $14,740 Avg Close — Range —
Q3 2015
Shares 1,798,365 Value ($000) $24,278 Avg Close — Range —