NRG YIELD INC

CUSIP: 62942X108 Class: COM CL A

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q1 2015
Shares 800,312 Value ($000) $40,599,828 Avg Close — Range —
Q4 2014
Shares 716,450 Value ($000) $33,773,453 Avg Close — Range —
Q3 2014
Shares 424,228 Value ($000) $19,960 Avg Close — Range —
Q2 2014
Shares 382,550 Value ($000) $19,912 Avg Close — Range —
Q1 2014
Shares 400,200 Value ($000) $15,819,906 Avg Close — Range —
Q4 2013
Shares 18,170 Value ($000) $726,982 Avg Close — Range —
Q3 2013
Shares 35,120 Value ($000) $1,063,785 Avg Close — Range —