TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

Allianz Asset Management GmbH's Holding History (CIK: 0001535323)

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

Q2 2015
Shares 147,608 Value ($000) $7,003 Avg Close — Range —
Q1 2015
Shares 146,952 Value ($000) $5,384 Avg Close — Range —
Q4 2014
Shares 134,285 Value ($000) $5,332 Avg Close — Range —