TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q3 2016
Shares 32,000 Value ($000) $123 Avg Close — Range —
Q2 2016
Shares 43,500 Value ($000) $187 Avg Close — Range —
Q1 2016
Shares 1,600 Value ($000) $7 Avg Close — Range —