DELL INC

CUSIP: 24702R101 Class: CS

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2013
Shares 37,851 Value ($000) $520 Avg Close — Range —
Q2 2013
Shares 60,992 Value ($000) $813 Avg Close — Range —