DOMINION MIDSTREAM PARTNERS

CUSIP: 257454108 Class: COM UT REP LTD

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2017
Shares 8,014 Value ($000) $244 Avg Close — Range —
Q2 2017
Shares 11,085 Value ($000) $320 Avg Close — Range —
Q1 2017
Shares 9,985 Value ($000) $309 Avg Close — Range —
Q4 2016
Shares 9,985 Value ($000) $295 Avg Close — Range —
Q3 2016
Shares 9,210 Value ($000) $220 Avg Close — Range —
Q2 2016
Shares 10,882 Value ($000) $306 Avg Close — Range —
Q1 2016
Shares 9,970 Value ($000) $336 Avg Close — Range —
Q4 2015
Shares 12,670 Value ($000) $388 Avg Close — Range —
Q3 2015
Shares 12,670 Value ($000) $340 Avg Close — Range —
Q2 2015
Shares 9,310 Value ($000) $356 Avg Close — Range —