TESORO CORP

CUSIP: 881609101 Class: COM

VIKING GLOBAL INVESTORS LP's Holding History (CIK: 0001103804)

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

Q4 2013
Shares 1,813,349 Value ($000) $106,080 Avg Close — Range —
Q3 2013
Shares 723,102 Value ($000) $31,802 Avg Close — Range —