Pinnacle Airlines Corp.

CUSIP: 723443107 Class: COM

GLENMEDE TRUST CO NA's Holding History (CIK: 0000314949)

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

Q1 2008
Shares 17,230 Value ($000) $150 Avg Close — Range —
Q3 2007
Shares 20,233 Value ($000) $324 Avg Close — Range —