TESARO INC

CUSIP: 881569AA5 Class: NOTE 3.000%10/0

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

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

Q4 2018
Shares 25,000,000 Value ($000) $54,411,000 Avg Close — Range —
Q3 2018
Shares 17,000,000 Value ($000) $22,533,000 Avg Close — Range —
Q2 2018
Shares 15,000,000 Value ($000) $22,448,000 Avg Close — Range —