DOMINION MIDSTREAM PARTNERS

CUSIP: 257454108 Class: COM UT REP LTD

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2018
Shares 66,450 Value ($000) $1,199 Avg Close — Range —
Q3 2018
Shares 2,817 Value ($000) $50 Avg Close — Range —
Q2 2018
Shares 729 Value ($000) $10 Avg Close — Range —
Q1 2018
Shares 4,209 Value ($000) $65 Avg Close — Range —