GREAT PLAINS ENERGY INC

CUSIP: 391164100 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q1 2018
Shares 78,610 Value ($000) $2,499 Avg Close — Range —
Q4 2017
Shares 77,510 Value ($000) $2,499 Avg Close — Range —
Q3 2017
Shares 81,110 Value ($000) $2,458 Avg Close — Range —
Q2 2017
Shares 88,910 Value ($000) $2,603 Avg Close — Range —
Q1 2017
Shares 87,510 Value ($000) $2,557 Avg Close — Range —
Q4 2016
Shares 86,710 Value ($000) $2,372 Avg Close — Range —
Q3 2016
Shares 83,410 Value ($000) $2,276 Avg Close — Range —
Q2 2016
Shares 62,010 Value ($000) $1,885 Avg Close — Range —
Q1 2016
Shares 61,510 Value ($000) $1,984 Avg Close — Range —
Q4 2015
Shares 60,910 Value ($000) $1,663 Avg Close — Range —
Q3 2015
Shares 70,210 Value ($000) $1,897 Avg Close — Range —
Q2 2015
Shares 70,410 Value ($000) $1,701 Avg Close — Range —
Q1 2015
Shares 69,910 Value ($000) $1,865 Avg Close — Range —
Q4 2014
Shares 73,210 Value ($000) $2,080 Avg Close — Range —
Q3 2014
Shares 73,110 Value ($000) $1,767 Avg Close — Range —
Q2 2014
Shares 72,410 Value ($000) $1,946 Avg Close — Range —
Q1 2014
Shares 72,410 Value ($000) $1,958 Avg Close — Range —
Q4 2013
Shares 71,910 Value ($000) $1,743 Avg Close — Range —
Q3 2013
Shares 71,610 Value ($000) $1,590 Avg Close — Range —
Q2 2013
Shares 70,710 Value ($000) $1,594 Avg Close — Range —