ALTA MESA RES INC

CUSIP: 02133L109 Class: COMMON STOCK

SOUTHEASTERN ASSET MANAGEMENT INC/TN/'s Holding History (CIK: 0000807985)

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

Q2 2019
Shares 1,197,000 Value ($000) $175 Avg Close — Range —
Q1 2019
Shares 197,000 Value ($000) $52 Avg Close — Range —
Q4 2018
Shares 197,000 Value ($000) $197 Avg Close — Range —
Q3 2018
Shares 197,000 Value ($000) $823 Avg Close — Range —
Q2 2018
Shares 197,000 Value ($000) $1,342 Avg Close — Range —
Q1 2018
Shares 197,000 Value ($000) $1,576 Avg Close — Range —