ALTERRA CAPITAL HOLDINGS LIM

CUSIP: G0229R108 Class: CMN

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

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

Q4 2012
Shares 167,218 Value ($000) $4,713 Avg Close — Range —
Q3 2012
Shares 159,623 Value ($000) $3,821 Avg Close — Range —