PREFERRED BANK/LOS ANGELES

CUSIP: 740367107 Class: COMMON

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

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

Q1 2008
Shares 103,178 Value ($000) $1,722 Avg Close — Range —
Q4 2007
Shares 28,404 Value ($000) $1,706 Avg Close — Range —
Q3 2007
Shares 56,544 Value ($000) $2,224 Avg Close — Range —
Q2 2007
Shares 53,644 Value ($000) $2,145 Avg Close — Range —
Q1 2007
Shares 41,706 Value ($000) $1,635 Avg Close — Range —
Q4 2006
Shares 28,404 Value ($000) $1,706 Avg Close — Range —