NORTHGATE MINERALS CORP

CUSIP: 666416AB8 Class: CNV

American Beacon Advisors, Inc.'s Holding History (CIK: 0000908758)

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

Q1 2014
Shares 5,600,000 Value ($000) $5,796 Avg Close — Range —
Q4 2013
Shares 5,600,000 Value ($000) $5,362 Avg Close — Range —