TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

Pine River Capital Management L.P.'s Holding History (CIK: 0001288136)

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

Q3 2013
Shares 111,672 Value ($000) $1,271 Avg Close — Range —
Q2 2013
Shares 363,667 Value ($000) $2,557 Avg Close — Range —