ALLEGHENY TECHNOLOGIES INC

CUSIP: 01741RAD4 Class: CNV

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

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

Q1 2014
Shares 5,424,000 Value ($000) $5,540 Avg Close — Range —
Q4 2013
Shares 19,229,000 Value ($000) $19,934 Avg Close — Range —
Q3 2013
Shares 19,750,000 Value ($000) $20,548 Avg Close — Range —
Q2 2013
Shares 19,986,000 Value ($000) $20,644 Avg Close — Range —