SENTINEL ENERGY SVCS INC

CUSIP: G8062D128 Class: UNIT

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q1 2018
Shares 600,000 Value ($000) $5,952 Avg Close — Range —
Q4 2017
Shares 600,000 Value ($000) $5,982 Avg Close — Range —