William Blair & Company’s PAA NATURAL GAS STORAGE, L.P. COM UNIT LTD PARTNERSHIP PNG Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2014 Q1	–	Sell	-26,990	Closed	-$620K	–	2096
2013 Q4	$620K	Sell	26,990 -27,951	-51%	-$642K	﹤0.01%	1529
2013 Q3	$1.28M	Sell	54,941 -4,350	-7%	-$101K	﹤0.01%	1269
2013 Q2	$1.25M	Buy	+59,291	New	+$1.25M	﹤0.01%	1203