TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q2 2019
Shares 21,478 Value ($000) $10 Avg Close — Range —
Q1 2019
Shares 11,608 Value ($000) $16 Avg Close — Range —