NRG YIELD INC

CUSIP: 62942X108 Class: COM CL A

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q1 2015
Shares 3,612 Value ($000) $183 Avg Close — Range —
Q4 2014
Shares 3,612 Value ($000) $170 Avg Close — Range —
Q3 2014
Shares 1,432 Value ($000) $68 Avg Close — Range —