KYTHERA BIOPHARMACEUTICALS I

CUSIP: 501570105 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q3 2015
Shares 47,037 Value ($000) $3,527 Avg Close — Range —
Q2 2015
Shares 47,137 Value ($000) $3,550 Avg Close — Range —
Q1 2015
Shares 76,093 Value ($000) $3,816 Avg Close — Range —
Q4 2014
Shares 32,288 Value ($000) $1,120 Avg Close — Range —
Q3 2014
Shares 32,151 Value ($000) $1,053 Avg Close — Range —
Q2 2014
Shares 45,025 Value ($000) $1,728 Avg Close — Range —
Q1 2014
Shares 48,038 Value ($000) $1,910 Avg Close — Range —
Q4 2013
Shares 21,369 Value ($000) $796 Avg Close — Range —
Q3 2013
Shares 18,269 Value ($000) $835 Avg Close — Range —
Q2 2013
Shares 17,769 Value ($000) $481 Avg Close — Range —
Q1 2013
Shares 8,800 Value ($000) $214 Avg Close — Range —