GREAT PLAINS ENERGY INC

CUSIP: 391164100 Class: COM

American Investment Services, Inc.'s Holding History (CIK: 0001369913)

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

Q1 2018
Shares 34,735 Value ($000) $1,104 Avg Close — Range —
Q4 2017
Shares 34,735 Value ($000) $1,120 Avg Close — Range —
Q3 2017
Shares 34,735 Value ($000) $1,052 Avg Close — Range —
Q2 2017
Shares 34,735 Value ($000) $1,017 Avg Close — Range —
Q1 2017
Shares 33,821 Value ($000) $988 Avg Close — Range —
Q4 2016
Shares 33,821 Value ($000) $925 Avg Close — Range —
Q3 2016
Shares 33,821 Value ($000) $923 Avg Close — Range —
Q2 2016
Shares 33,821 Value ($000) $1,028 Avg Close — Range —
Q1 2016
Shares 34,385 Value ($000) $1,109 Avg Close — Range —
Q4 2015
Shares 34,385 Value ($000) $939 Avg Close — Range —
Q1 2014
Shares 11,260 Value ($000) $304 Avg Close — Range —
Q4 2013
Shares 13,606 Value ($000) $330 Avg Close — Range —
Q3 2013
Shares 13,606 Value ($000) $302 Avg Close — Range —
Q2 2013
Shares 24,535 Value ($000) $553 Avg Close — Range —