TEKTRONIX INC.

CUSIP: 879131100 Class: COM

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

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

Q4 2007
Shares 5,645 Value ($000) $164 Avg Close — Range —
Q3 2007
Shares 12,520 Value ($000) $347 Avg Close — Range —
Q4 2006
Shares 5,645 Value ($000) $164 Avg Close — Range —