BIOTA PHARMACEUTIALS INC

CUSIP: 090694100 Class: CMN

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

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

Q2 2015
Shares 830,440 Value ($000) $1,719 Avg Close — Range —
Q1 2015
Shares 863,184 Value ($000) $1,985 Avg Close — Range —
Q4 2014
Shares 1,106,910 Value ($000) $2,479 Avg Close — Range —
Q3 2014
Shares 1,106,910 Value ($000) $2,734 Avg Close — Range —
Q2 2014
Shares 1,106,910 Value ($000) $3,155 Avg Close — Range —
Q1 2014
Shares 1,106,910 Value ($000) $6,763 Avg Close — Range —
Q4 2013
Shares 1,130,113 Value ($000) $4,735 Avg Close — Range —