VERTEX ENERGY INC

CUSIP: 92534K107 Class: Common Stock

Boston Partners's Holding History (CIK: 0001386060)

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

Q1 2015
Shares 207,750 Value ($000) $769 Avg Close — Range —
Q4 2014
Shares 135,570 Value ($000) $568 Avg Close — Range —