TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q1 2016
Shares 3,588 Value ($000) $17 Avg Close — Range —
Q4 2015
Shares 2,705 Value ($000) $27 Avg Close — Range —
Q3 2015
Shares 3,543 Value ($000) $26 Avg Close — Range —
Q2 2015
Shares 1,098 Value ($000) $52 Avg Close — Range —
Q1 2015
Shares 743 Value ($000) $27 Avg Close — Range —
Q4 2014
Shares 726 Value ($000) $29 Avg Close — Range —