PERMA-FIX ENVIRONMENTAL SVCS

CUSIP: 714157104 Class: CMN

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q3 2013
Shares 74,565 Value ($000) $55 Avg Close — Range —
Q2 2013
Shares 91,682 Value ($000) $33 Avg Close — Range —