TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

Virtus ETF Advisers LLC's Holding History (CIK: 0001587281)

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

Q1 2018
Shares 130,920 Value ($000) $402 Avg Close — Range —
Q4 2017
Shares 59,646 Value ($000) $376 Avg Close — Range —
Q3 2017
Shares 45,001 Value ($000) $308 Avg Close — Range —
Q2 2017
Shares 40,885 Value ($000) $292 Avg Close — Range —
Q1 2016
Shares 26,478 Value ($000) $123 Avg Close — Range —