TESORO CORP

CUSIP: 881609101 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q2 2017
Shares 21,450 Value ($000) $2,008 Avg Close — Range —
Q1 2017
Shares 39,140 Value ($000) $3,173 Avg Close — Range —
Q4 2016
Shares 31,600 Value ($000) $2,763 Avg Close — Range —
Q3 2016
Shares 31,600 Value ($000) $2,514 Avg Close — Range —
Q1 2016
Shares 11,600 Value ($000) $998 Avg Close — Range —
Q4 2015
Shares 23,300 Value ($000) $2,455 Avg Close — Range —
Q1 2015
Shares 45,010 Value ($000) $4,109 Avg Close — Range —
Q4 2014
Shares 84,930 Value ($000) $6,315 Avg Close — Range —
Q3 2014
Shares 11,330 Value ($000) $573 Avg Close — Range —
Q2 2014
Shares 11,330 Value ($000) $665 Avg Close — Range —
Q1 2014
Shares 11,330 Value ($000) $573 Avg Close — Range —
Q4 2013
Shares 11,330 Value ($000) $663 Avg Close — Range —
Q3 2013
Shares 68,730 Value ($000) $4,191 Avg Close — Range —
Q2 2013
Shares 22,050 Value ($000) $1,154 Avg Close — Range —