MEMORIAL RESOURCE DEV CORP

CUSIP: 58605Q109 Class: COMMON

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

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

Q2 2016
Shares 30,973 Value ($000) $492 Avg Close — Range —
Q1 2016
Shares 2,000 Value ($000) $20 Avg Close — Range —
Q4 2015
Shares 4,003 Value ($000) $65 Avg Close — Range —
Q3 2015
Shares 96,322 Value ($000) $1,693 Avg Close — Range —
Q4 2014
Shares 4,103 Value ($000) $74 Avg Close — Range —
Q3 2014
Shares 18,484 Value ($000) $501 Avg Close — Range —