OCZ TECHNOLOGY GROUP INC

CUSIP: 67086E303 Class: COMMON STOCK

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2013
Shares 13,505 Value ($000) $0 Avg Close — Range —
Q3 2013
Shares 76,200 Value ($000) $99 Avg Close — Range —
Q2 2013
Shares 29,401 Value ($000) $43 Avg Close — Range —