UNITED THERAPEUTICS CORP DEL

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

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q3 2013
Shares 230,000 Value ($000) $391 Avg Close — Range —
Q2 2013
Shares 230,000 Value ($000) $333 Avg Close — Range —