ORION ENERGY SYSTEMS INC

CUSIP: 686275108 Class: COM

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

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

Q1 2016
Shares 22,459 Value ($000) $31,000 Avg Close — Range —
Q4 2015
Shares 100,000 Value ($000) $217,000 Avg Close — Range —
Q3 2015
Shares 133,820 Value ($000) $241,000 Avg Close — Range —
Q2 2015
Shares 150,000 Value ($000) $376,000 Avg Close — Range —
Q1 2015
Shares 100,000 Value ($000) $314,000 Avg Close — Range —