ONCOTHYREON INC

CUSIP: 682324108 Class: CMN

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2013
Shares 1,350,000 Value ($000) $2,376 Avg Close — Range —
Q3 2013
Shares 1,350,000 Value ($000) $2,781 Avg Close — Range —
Q2 2013
Shares 1,350,000 Value ($000) $2,106 Avg Close — Range —