GREAT PLAINS ENERGY INC

CUSIP: 391164100 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q1 2018
Shares 1,643,631 Value ($000) $52,251 Avg Close — Range —
Q4 2017
Shares 1,652,646 Value ($000) $53,281 Avg Close — Range —
Q3 2017
Shares 1,736,035 Value ($000) $52,602 Avg Close — Range —
Q2 2017
Shares 1,753,629 Value ($000) $51,347 Avg Close — Range —
Q1 2017
Shares 2,318,988 Value ($000) $67,761 Avg Close — Range —
Q4 2016
Shares 2,363,050 Value ($000) $64,629 Avg Close — Range —
Q3 2016
Shares 1,899,868 Value ($000) $51,847 Avg Close — Range —
Q2 2016
Shares 1,720,809 Value ($000) $52,312 Avg Close — Range —
Q1 2016
Shares 1,746,994 Value ($000) $55,350 Avg Close — Range —
Q4 2015
Shares 1,730,600 Value ($000) $47,263 Avg Close — Range —
Q3 2015
Shares 1,806,019 Value ($000) $48,799 Avg Close — Range —
Q2 2015
Shares 1,504,848 Value ($000) $36,357 Avg Close — Range —
Q1 2015
Shares 1,455,010 Value ($000) $38,821 Avg Close — Range —
Q4 2014
Shares 1,379,176 Value ($000) $39,183 Avg Close — Range —
Q3 2014
Shares 1,352,716 Value ($000) $32,695 Avg Close — Range —
Q2 2014
Shares 1,766,677 Value ($000) $47,471 Avg Close — Range —
Q1 2014
Shares 1,721,120 Value ($000) $46,538 Avg Close — Range —
Q4 2013
Shares 1,718,289 Value ($000) $41,652 Avg Close — Range —
Q3 2013
Shares 1,804,648 Value ($000) $40,063 Avg Close — Range —
Q2 2013
Shares 1,726,102 Value ($000) $38,907 Avg Close — Range —