NRG YIELD INC

CUSIP: 62942X108 Class: COM CL A

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

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

Q1 2015
Shares 43,499 Value ($000) $2,207 Avg Close — Range —
Q4 2014
Shares 44,399 Value ($000) $2,093 Avg Close — Range —
Q3 2014
Shares 43,911 Value ($000) $2,066 Avg Close — Range —
Q2 2014
Shares 36,700 Value ($000) $1,910 Avg Close — Range —
Q1 2014
Shares 40,800 Value ($000) $1,613 Avg Close — Range —
Q4 2013
Shares 40,800 Value ($000) $1,632 Avg Close — Range —
Q3 2013
Shares 32,400 Value ($000) $981 Avg Close — Range —