UNITED THERAPEUTICS CORP DEL

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

WHITEBOX ADVISORS LLC's Holding History (CIK: 0001257391)

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

Q3 2014
Shares 10,329,000 Value ($000) $27,791 Avg Close — Range —
Q2 2014
Shares 21,854,000 Value ($000) $41,154 Avg Close — Range —
Q1 2014
Shares 34,354,000 Value ($000) $68,214 Avg Close — Range —
Q4 2013
Shares 44,354,000 Value ($000) $105,230 Avg Close — Range —
Q3 2013
Shares 34,365,000 Value ($000) $58,350 Avg Close — Range —