GREAT PLAINS ENERGY INC

CUSIP: 391164100 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q1 2018
Shares 315,450 Value ($000) $10,028 Avg Close — Range —
Q4 2017
Shares 328,262 Value ($000) $10,583 Avg Close — Range —
Q3 2017
Shares 332,962 Value ($000) $10,089 Avg Close — Range —
Q2 2017
Shares 358,838 Value ($000) $10,507 Avg Close — Range —
Q1 2017
Shares 361,138 Value ($000) $10,552 Avg Close — Range —
Q4 2016
Shares 368,272 Value ($000) $10,072 Avg Close — Range —
Q3 2016
Shares 430,234 Value ($000) $11,741 Avg Close — Range —
Q2 2016
Shares 609,834 Value ($000) $18,539 Avg Close — Range —
Q1 2016
Shares 662,965 Value ($000) $21,381 Avg Close — Range —
Q4 2015
Shares 689,671 Value ($000) $18,835 Avg Close — Range —
Q3 2015
Shares 711,011 Value ($000) $19,212 Avg Close — Range —
Q2 2015
Shares 782,311 Value ($000) $18,901 Avg Close — Range —
Q1 2015
Shares 794,547 Value ($000) $21,199 Avg Close — Range —
Q4 2014
Shares 823,096 Value ($000) $23,384 Avg Close — Range —
Q3 2014
Shares 883,393 Value ($000) $21,352 Avg Close — Range —
Q2 2014
Shares 903,293 Value ($000) $24,271 Avg Close — Range —
Q1 2014
Shares 907,174 Value ($000) $24,530 Avg Close — Range —
Q4 2013
Shares 909,974 Value ($000) $22,058 Avg Close — Range —
Q3 2013
Shares 918,257 Value ($000) $20,385 Avg Close — Range —
Q2 2013
Shares 928,298 Value ($000) $20,924 Avg Close — Range —