FRONTIER OIL CORP

CUSIP: 35914P105 Class: COM

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

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

Q2 2011
Shares 25,200 Value ($000) $814 Avg Close — Range —
Q1 2011
Shares 20,500 Value ($000) $601 Avg Close — Range —