NRG YIELD INC

CUSIP: 62942X108 Class: COM CL A

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q1 2015
Shares 360,352 Value ($000) $18,282 Avg Close — Range —
Q4 2014
Shares 353,418 Value ($000) $16,660 Avg Close — Range —
Q3 2014
Shares 357,534 Value ($000) $16,822 Avg Close — Range —
Q2 2014
Shares 334,674 Value ($000) $17,420 Avg Close — Range —
Q1 2014
Shares 329,927 Value ($000) $13,042 Avg Close — Range —
Q4 2013
Shares 313,006 Value ($000) $12,523 Avg Close — Range —
Q3 2013
Shares 302,847 Value ($000) $9,173 Avg Close — Range —