MEMORIAL RESOURCE DEV CORP

CUSIP: 58605Q109 Class: COMMON

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q2 2016
Shares 609,871 Value ($000) $9,685 Avg Close — Range —
Q1 2016
Shares 1,384,953 Value ($000) $14,099 Avg Close — Range —
Q4 2015
Shares 1,083,618 Value ($000) $17,500 Avg Close — Range —
Q3 2015
Shares 677,081 Value ($000) $11,903 Avg Close — Range —