UNITED THERAPEUTICS CORP DEL

CUSIP: 91307CAF9 Class: 1.00% 9/15/2016

CAMDEN ASSET MANAGEMENT L P /CA's Holding History (CIK: 0000903944)

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

Q3 2014
Shares 36,807,000 Value ($000) $99,034 Avg Close — Range —
Q2 2014
Shares 41,257,000 Value ($000) $77,692 Avg Close — Range —
Q1 2014
Shares 41,257,000 Value ($000) $81,921 Avg Close — Range —
Q4 2013
Shares 38,257,000 Value ($000) $90,765 Avg Close — Range —
Q3 2013
Shares 21,257,000 Value ($000) $36,084 Avg Close — Range —
Q2 2013
Shares 22,457,000 Value ($000) $32,492 Avg Close — Range —