TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q2 2019
Shares 163,800 Value ($000) $79 Avg Close — Range —
Q1 2019
Shares 163,800 Value ($000) $219 Avg Close — Range —
Q4 2018
Shares 163,800 Value ($000) $185 Avg Close — Range —
Q3 2018
Shares 163,800 Value ($000) $452 Avg Close — Range —
Q2 2018
Shares 163,800 Value ($000) $585 Avg Close — Range —
Q1 2018
Shares 220,200 Value ($000) $676 Avg Close — Range —
Q4 2017
Shares 242,200 Value ($000) $1,526 Avg Close — Range —
Q3 2017
Shares 242,200 Value ($000) $1,657 Avg Close — Range —
Q2 2017
Shares 242,200 Value ($000) $1,727 Avg Close — Range —
Q1 2017
Shares 237,400 Value ($000) $2,182 Avg Close — Range —
Q4 2016
Shares 224,700 Value ($000) $906 Avg Close — Range —
Q3 2016
Shares 236,200 Value ($000) $905 Avg Close — Range —
Q2 2016
Shares 252,400 Value ($000) $1,085 Avg Close — Range —
Q1 2016
Shares 260,300 Value ($000) $1,205 Avg Close — Range —
Q4 2015
Shares 276,000 Value ($000) $2,768 Avg Close — Range —
Q3 2015
Shares 17,700 Value ($000) $132 Avg Close — Range —
Q2 2015
Shares 17,700 Value ($000) $840 Avg Close — Range —
Q1 2015
Shares 7,013 Value ($000) $255 Avg Close — Range —
Q4 2014
Shares 7,013 Value ($000) $255 Avg Close — Range —