GREAT PLAINS ENERGY INC

CUSIP: 391164100 Class: COM

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q1 2018
Shares 108,317 Value ($000) $3,443 Avg Close — Range —
Q4 2017
Shares 106,247 Value ($000) $3,425 Avg Close — Range —
Q3 2017
Shares 107,038 Value ($000) $3,243 Avg Close — Range —
Q2 2017
Shares 105,323 Value ($000) $3,084 Avg Close — Range —
Q1 2017
Shares 101,751 Value ($000) $2,973 Avg Close — Range —
Q4 2016
Shares 100,482 Value ($000) $2,748 Avg Close — Range —
Q2 2016
Shares 70,440 Value ($000) $2,141 Avg Close — Range —
Q1 2016
Shares 67,112 Value ($000) $2,164 Avg Close — Range —
Q4 2015
Shares 64,559 Value ($000) $1,763 Avg Close — Range —
Q3 2015
Shares 63,464 Value ($000) $1,715 Avg Close — Range —
Q2 2015
Shares 62,633 Value ($000) $1,513 Avg Close — Range —
Q1 2015
Shares 62,090 Value ($000) $1,657 Avg Close — Range —
Q4 2014
Shares 212,476 Value ($000) $6,036 Avg Close — Range —
Q3 2014
Shares 238,319 Value ($000) $5,760 Avg Close — Range —
Q2 2014
Shares 259,226 Value ($000) $6,965 Avg Close — Range —
Q1 2014
Shares 242,296 Value ($000) $6,552 Avg Close — Range —
Q4 2013
Shares 236,141 Value ($000) $5,724 Avg Close — Range —
Q3 2013
Shares 61,120 Value ($000) $1,357 Avg Close — Range —
Q2 2013
Shares 60,220 Value ($000) $1,357 Avg Close — Range —