SPHERION CORPORATION

CUSIP: 848420105 Class: COMMON

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

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

Q1 2008
Shares 34,101 Value ($000) $208 Avg Close — Range —
Q3 2007
Shares 34,101 Value ($000) $281 Avg Close — Range —
Q2 2007
Shares 34,101 Value ($000) $320 Avg Close — Range —