ALPHA NATURAL RESOURCES INC

CUSIP: 02076XAA0 Class: CNV

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q4 2014
Shares 371,000 Value ($000) $356 Avg Close — Range —
Q3 2014
Shares 371,000 Value ($000) $357 Avg Close — Range —
Q2 2014
Shares 371,000 Value ($000) $368 Avg Close — Range —
Q1 2014
Shares 371,000 Value ($000) $370 Avg Close — Range —
Q4 2013
Shares 371,000 Value ($000) $371 Avg Close — Range —
Q3 2013
Shares 371,000 Value ($000) $349 Avg Close — Range —
Q2 2013
Shares 371,000 Value ($000) $339 Avg Close — Range —