UNITED THERAPEUTICS CORP DEL

Ticker: UTHR CUSIP: 91307C102 Class: EQTY

Ativo Capital Management LLC's Holding History (CIK: 0001423065)

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

Q1 2015

Shares 1,900 Value ($000) $328 Avg Close $152.45 Range $124.21 - $181.61

Q4 2014

Shares 2,832 Value ($000) $367 Avg Close $128.87 Range $118.47 - $137.84

Q3 2014

Shares 2,874 Value ($000) $370 Avg Close $103.09 Range $86.04 - $136.93

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	1,900	$328	$152.45	$124.21 - $181.61
Q4 2014	2,832	$367	$128.87	$118.47 - $137.84
Q3 2014	2,874	$370	$103.09	$86.04 - $136.93