UNITED THERAPEUTICS CORP DEL

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

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q3 2014
Shares 22,998,000 Value ($000) $62,090 Avg Close — Range —
Q2 2014
Shares 22,998,000 Value ($000) $43,366 Avg Close — Range —
Q1 2014
Shares 17,998,000 Value ($000) $35,733 Avg Close — Range —
Q4 2013
Shares 12,998,000 Value ($000) $30,845 Avg Close — Range —
Q3 2013
Shares 12,998,000 Value ($000) $22,097 Avg Close — Range —
Q2 2013
Shares 20,305,000 Value ($000) $29,546 Avg Close — Range —