ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

STRS OHIO's Holding History (CIK: 0000820478)

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

Q4 2015
Shares 4,600 Value ($000) $121 Avg Close — Range —
Q3 2015
Shares 4,600 Value ($000) $144 Avg Close — Range —
Q2 2015
Shares 4,600 Value ($000) $242 Avg Close — Range —
Q1 2015
Shares 2,300 Value ($000) $95 Avg Close — Range —
Q4 2014
Shares 2,000 Value ($000) $54 Avg Close — Range —