RENEWABLE ENERGY GROUP INC

CUSIP: 75972A301 Class: COMMON STOCK

OAK ASSOCIATES LTD /OH/'s Holding History (CIK: 0000836372)

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

Q1 2014
Shares 34,650 Value ($000) $415 Avg Close — Range —
Q4 2013
Shares 34,650 Value ($000) $397 Avg Close — Range —