Alberta Investment Management Corp (AIMCo)’s Tortoise Acquisition Corp. Units, each consisting of one share of Class A Common Stock and one-half SHLL.U Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2019 Q2	–	Sell	-250,000	Closed	-$2.5M	–	1054
2019 Q1	$2.5M	Buy	+250,000	New	+$2.5M	0.02%	435