GREAT PLAINS ENERGY INC

CUSIP: 391164100 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2018
Shares 356,882 Value ($000) $11,345 Avg Close — Range —
Q4 2017
Shares 368,124 Value ($000) $11,868 Avg Close — Range —
Q3 2017
Shares 366,115 Value ($000) $11,093 Avg Close — Range —
Q2 2017
Shares 397,426 Value ($000) $11,637 Avg Close — Range —
Q1 2017
Shares 441,264 Value ($000) $12,894 Avg Close — Range —
Q4 2016
Shares 460,564 Value ($000) $12,596 Avg Close — Range —
Q3 2016
Shares 339,564 Value ($000) $9,267 Avg Close — Range —
Q2 2016
Shares 336,764 Value ($000) $10,238 Avg Close — Range —
Q1 2016
Shares 337,003 Value ($000) $10,868 Avg Close — Range —
Q4 2015
Shares 294,985 Value ($000) $8,056 Avg Close — Range —
Q3 2015
Shares 290,481 Value ($000) $7,849 Avg Close — Range —
Q2 2015
Shares 281,789 Value ($000) $6,808 Avg Close — Range —
Q1 2015
Shares 291,068 Value ($000) $7,766 Avg Close — Range —
Q4 2014
Shares 296,078 Value ($000) $8,412 Avg Close — Range —
Q3 2014
Shares 293,322 Value ($000) $7,090 Avg Close — Range —
Q2 2014
Shares 281,276 Value ($000) $7,558 Avg Close — Range —
Q1 2014
Shares 279,676 Value ($000) $7,562 Avg Close — Range —
Q4 2013
Shares 278,376 Value ($000) $6,748 Avg Close — Range —
Q3 2013
Shares 276,376 Value ($000) $6,136 Avg Close — Range —
Q2 2013
Shares 267,886 Value ($000) $6,038 Avg Close — Range —
Q1 2013
Shares 236,940 Value ($000) $5,495 Avg Close — Range —