CES ENERGY SOLUTIONS CORP

Ticker: CESDF CUSIP: 15713J104 Class: FOREIGN CANADIAN

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q2 2017

Shares 3,696,648 Value ($000) $16,452 Avg Close $4.17 Range $3.46 - $4.82

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	3,696,648	$16,452	$4.17	$3.46 - $4.82