GREAT PLAINS ENERGY INC

CUSIP: 391164100 Class: COM

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q3 2017
Shares 52,546 Value ($000) $1,592 Avg Close — Range —
Q2 2017
Shares 44,343 Value ($000) $1,298 Avg Close — Range —
Q1 2017
Shares 2,763 Value ($000) $81 Avg Close — Range —
Q4 2016
Shares 2,407 Value ($000) $66 Avg Close — Range —