GULFPORT ENERGY CORP

CUSIP: 402635304 Class: COM NEW

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

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

Q3 2018
Shares 58,300 Value ($000) $607 Avg Close — Range —
Q2 2018
Shares 57,600 Value ($000) $724 Avg Close — Range —
Q1 2018
Shares 60,100 Value ($000) $580 Avg Close — Range —
Q4 2017
Shares 59,200 Value ($000) $755 Avg Close — Range —
Q3 2017
Shares 61,900 Value ($000) $888 Avg Close — Range —
Q2 2017
Shares 65,600 Value ($000) $968 Avg Close — Range —
Q1 2017
Shares 64,500 Value ($000) $1,109 Avg Close — Range —
Q4 2016
Shares 62,100 Value ($000) $1,344 Avg Close — Range —
Q3 2016
Shares 50,500 Value ($000) $1,427 Avg Close — Range —
Q2 2016
Shares 50,300 Value ($000) $1,572 Avg Close — Range —
Q1 2016
Shares 49,100 Value ($000) $1,391 Avg Close — Range —
Q4 2015
Shares 42,800 Value ($000) $1,052 Avg Close — Range —
Q3 2015
Shares 49,200 Value ($000) $1,460 Avg Close — Range —
Q2 2015
Shares 48,600 Value ($000) $1,956 Avg Close — Range —
Q1 2015
Shares 38,800 Value ($000) $1,781 Avg Close — Range —
Q4 2014
Shares 40,700 Value ($000) $1,699 Avg Close — Range —
Q3 2014
Shares 40,600 Value ($000) $2,168 Avg Close — Range —
Q2 2014
Shares 40,300 Value ($000) $2,531 Avg Close — Range —
Q1 2014
Shares 40,100 Value ($000) $2,854 Avg Close — Range —
Q4 2013
Shares 39,400 Value ($000) $2,488 Avg Close — Range —