GREAT PLAINS ENERGY INC

CUSIP: 391164100 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q4 2017
Shares 6,780 Value ($000) $219 Avg Close — Range —
Q4 2016
Shares 51,826 Value ($000) $1,417 Avg Close — Range —
Q2 2016
Shares 75,609 Value ($000) $2,299 Avg Close — Range —
Q2 2015
Shares 36,995 Value ($000) $894 Avg Close — Range —
Q1 2015
Shares 23,029 Value ($000) $614 Avg Close — Range —
Q3 2014
Shares 34,352 Value ($000) $830 Avg Close — Range —
Q3 2013
Shares 11,206 Value ($000) $249 Avg Close — Range —