AMBIT BIOSCIENCES CORP

CUSIP: 02318X100 Class: COM

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

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

Q3 2014
Shares 1,093,332 Value ($000) $16,837 Avg Close — Range —
Q2 2014
Shares 747,954 Value ($000) $5,168 Avg Close — Range —
Q1 2014
Shares 747,954 Value ($000) $6,821 Avg Close — Range —
Q4 2013
Shares 747,954 Value ($000) $7,210 Avg Close — Range —
Q3 2013
Shares 747,962 Value ($000) $11,593 Avg Close — Range —
Q2 2013
Shares 747,962 Value ($000) $5,236 Avg Close — Range —