ALTERRA CAPITAL HOLDINGS LIM

CUSIP: G0229R108 Class: CMN

MUFG Americas Holdings Corp's Holding History (CIK: 0001011659)

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

Q3 2012
Shares 19,100 Value ($000) $457 Avg Close — Range —
Q2 2012
Shares 19,100 Value ($000) $446 Avg Close — Range —
Q1 2012
Shares 19,100 Value ($000) $439 Avg Close — Range —
Q4 2011
Shares 20,000 Value ($000) $473 Avg Close — Range —
Q3 2011
Shares 20,000 Value ($000) $379 Avg Close — Range —
Q2 2011
Shares 20,000 Value ($000) $446 Avg Close — Range —
Q1 2011
Shares 20,000 Value ($000) $445 Avg Close — Range —
Q4 2010
Shares 20,000 Value ($000) $433 Avg Close — Range —