TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

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

Q2 2015
Shares 100,000 Value ($000) $4,744 Avg Close — Range —
Q1 2015
Shares 100,000 Value ($000) $3,664 Avg Close — Range —
Q4 2014
Shares 100,000 Value ($000) $3,971 Avg Close — Range —