ISIS PHARMACEUTICALS INC DEL

CUSIP: 464337AJ3 Class: NOTE 1.000%11/1

SILVERBACK ASSET MANAGEMENT LLC's Holding History (CIK: 0001278960)

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

Q3 2019
Shares 23,000,000 Value ($000) $26,278 Avg Close — Range —
Q2 2019
Shares 25,000,000 Value ($000) $29,656 Avg Close — Range —