GILEAD SCIENCES INC

CUSIP: 375558AN3 Class: CNV

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

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

Q3 2013
Shares 45,150,000 Value ($000) $125,729,000 Avg Close — Range —
Q2 2013
Shares 45,150,000 Value ($000) $102,455,000 Avg Close — Range —