VERTEX ENERGY INC

CUSIP: 92534K107 Class: Common Stock

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q1 2014
Shares 15,000 Value ($000) $97,000 Avg Close — Range —
Q4 2013
Shares 31,300 Value ($000) $105,000 Avg Close — Range —