TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q1 2017
Shares 5,600 Value ($000) $51 Avg Close — Range —
Q4 2014
Shares 12,500 Value ($000) $496 Avg Close — Range —
Q1 2014
Shares 10,005 Value ($000) $109 Avg Close — Range —