ATWOOD OCEANICS INC

CUSIP: 050095108 Class: COM

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

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

Q4 2011
Shares 5,900 Value ($000) $235 Avg Close — Range —
Q3 2011
Shares 5,000 Value ($000) $172 Avg Close — Range —
Q2 2011
Shares 3,900 Value ($000) $172 Avg Close — Range —
Q1 2011
Shares 3,900 Value ($000) $181 Avg Close — Range —
Q4 2010
Shares 28,400 Value ($000) $1,062 Avg Close — Range —