ALTA MESA RES INC

CUSIP: 02133L109 Class: COMMON STOCK

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q3 2018
Shares 51,703 Value ($000) $216 Avg Close — Range —
Q2 2018
Shares 76,478 Value ($000) $521 Avg Close — Range —
Q1 2018
Shares 65,990 Value ($000) $528 Avg Close — Range —