ALPHA NATURAL RESOURCES INC

CUSIP: 02076XAF9 Class: NOTE 4.875%12/1

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

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

Q2 2015
Shares 7,500,000 Value ($000) $524,000 Avg Close — Range —
Q1 2015
Shares 6,000,000 Value ($000) $1,498,000 Avg Close — Range —