GREAT PLAINS ENERGY INC

CUSIP: 391164100 Class: COM

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q1 2018
Shares 282,633 Value ($000) $8,985 Avg Close — Range —
Q4 2017
Shares 282,633 Value ($000) $9,112 Avg Close — Range —
Q3 2017
Shares 249,033 Value ($000) $7,546 Avg Close — Range —
Q2 2017
Shares 249,033 Value ($000) $7,292 Avg Close — Range —
Q1 2017
Shares 271,233 Value ($000) $7,925 Avg Close — Range —
Q4 2016
Shares 271,533 Value ($000) $7,426 Avg Close — Range —
Q3 2016
Shares 255,833 Value ($000) $6,982 Avg Close — Range —
Q2 2016
Shares 256,833 Value ($000) $7,808 Avg Close — Range —
Q1 2016
Shares 242,333 Value ($000) $7,815 Avg Close — Range —
Q4 2015
Shares 242,333 Value ($000) $6,618 Avg Close — Range —
Q3 2015
Shares 242,433 Value ($000) $6,551 Avg Close — Range —
Q2 2015
Shares 242,433 Value ($000) $5,857 Avg Close — Range —
Q1 2015
Shares 243,333 Value ($000) $6,492 Avg Close — Range —
Q4 2014
Shares 243,333 Value ($000) $6,913 Avg Close — Range —
Q3 2014
Shares 243,433 Value ($000) $5,884 Avg Close — Range —
Q2 2014
Shares 243,233 Value ($000) $6,536 Avg Close — Range —
Q1 2014
Shares 244,933 Value ($000) $6,623 Avg Close — Range —
Q4 2013
Shares 246,033 Value ($000) $5,964 Avg Close — Range —
Q3 2013
Shares 246,133 Value ($000) $5,464 Avg Close — Range —
Q2 2013
Shares 246,933 Value ($000) $5,566 Avg Close — Range —