NANOSPHERE INC

CUSIP: 63009F105 Class: COM

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

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

Q2 2014
Shares 200,000 Value ($000) $316,000 Avg Close — Range —
Q1 2014
Shares 150,000 Value ($000) $322,000 Avg Close — Range —
Q4 2013
Shares 200,000 Value ($000) $458,000 Avg Close — Range —
Q3 2013
Shares 275,000 Value ($000) $550,000 Avg Close — Range —