ALTA MESA RES INC

CUSIP: 02133L109 Class: COMMON STOCK

K2 PRINCIPAL FUND, L.P.'s Holding History (CIK: 0001461790)

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

Q2 2018
Shares 127,235 Value ($000) $866 Avg Close — Range —
Q1 2018
Shares 200,138 Value ($000) $1,601 Avg Close — Range —