MRC GLOBAL INC

CUSIP: 55345K103 Class: Common Stock

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT's Holding History (CIK: 0001329375)

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

Q1 2018
Shares 172,949 Value ($000) $2,843 Avg Close — Range —
Q4 2017
Shares 394,538 Value ($000) $6,676 Avg Close — Range —
Q3 2017
Shares 491,876 Value ($000) $8,603 Avg Close — Range —
Q2 2017
Shares 551,844 Value ($000) $9,116 Avg Close — Range —
Q1 2017
Shares 490,222 Value ($000) $8,986 Avg Close — Range —
Q2 2016
Shares 361,287 Value ($000) $5,133 Avg Close — Range —
Q1 2016
Shares 175,362 Value ($000) $2,304 Avg Close — Range —
Q4 2015
Shares 43,225 Value ($000) $558 Avg Close — Range —
Q4 2014
Shares 193,900 Value ($000) $2,938 Avg Close — Range —
Q3 2014
Shares 155,072 Value ($000) $3,616 Avg Close — Range —
Q2 2014
Shares 87,775 Value ($000) $2,483 Avg Close — Range —
Q1 2014
Shares 93,311 Value ($000) $2,516 Avg Close — Range —
Q4 2013
Shares 89,950 Value ($000) $2,902 Avg Close — Range —
Q3 2013
Shares 85,500 Value ($000) $2,291 Avg Close — Range —
Q2 2013
Shares 65,000 Value ($000) $1,795 Avg Close — Range —