ARCH COAL INC

CUSIP: 039380407 Class: COMMON STOCK

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q1 2018
Shares 20,853 Value ($000) $1,916,000 Avg Close — Range —
Q1 2017
Shares 19,594 Value ($000) $1,351,000 Avg Close — Range —
Q4 2016
Shares 52,574 Value ($000) $4,103,000 Avg Close — Range —