SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

STATE FARM MUTUAL AUTOMOBILE INSURANCE CO's Holding History (CIK: 0000315032)

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

Q4 2014
Shares 233,500 Value ($000) $7,502 Avg Close — Range —
Q3 2014
Shares 233,500 Value ($000) $8,682 Avg Close — Range —
Q2 2014
Shares 233,500 Value ($000) $8,931 Avg Close — Range —
Q1 2014
Shares 233,500 Value ($000) $10,638 Avg Close — Range —
Q4 2013
Shares 233,500 Value ($000) $9,314 Avg Close — Range —
Q3 2013
Shares 233,500 Value ($000) $10,234 Avg Close — Range —
Q2 2013
Shares 233,500 Value ($000) $7,346 Avg Close — Range —