PLAINS GP HLDGS L P

CUSIP: 72651A108 Class: UT LTD PTNR

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

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

Q1 2015
Shares 576,800 Value ($000) $16,364 Avg Close — Range —
Q4 2014
Shares 837,700 Value ($000) $21,512 Avg Close — Range —
Q3 2014
Shares 785,900 Value ($000) $24,088 Avg Close — Range —
Q2 2014
Shares 782,600 Value ($000) $25,035 Avg Close — Range —
Q1 2014
Shares 541,300 Value ($000) $15,146 Avg Close — Range —