TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

COMMERZBANK AKTIENGESELLSCHAFT /FI's Holding History (CIK: 0000852933)

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

Q3 2015
Shares 293,327 Value ($000) $2,188 Avg Close — Range —
Q2 2015
Shares 429,532 Value ($000) $20,377 Avg Close — Range —
Q1 2015
Shares 368,464 Value ($000) $13,501 Avg Close — Range —
Q4 2014
Shares 211,273 Value ($000) $8,390 Avg Close — Range —
Q3 2014
Shares 230,750 Value ($000) $4,604 Avg Close — Range —