ENBRIDGE INC

Ticker: ENB CUSIP: 29250N105 Class: COM

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

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

Q3 2016

Shares 3,017,495 Value ($000) $132,386 Avg Close $24.07 Range $22.03 - $26.40

Q2 2016

Shares 4,232,517 Value ($000) $178,367 Avg Close $23.17 Range $20.92 - $24.78

Q1 2016

Shares 3,319,380 Value ($000) $129,752 Avg Close $19.21 Range $15.32 - $22.27

Q4 2015

Shares 3,349,610 Value ($000) $110,922 Avg Close $20.89 Range $16.30 - $24.44

Q3 2015

Shares 3,304,857 Value ($000) $122,142 Avg Close $23.01 Range $19.66 - $25.83

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	3,017,495	$132,386	$24.07	$22.03 - $26.40
Q2 2016	4,232,517	$178,367	$23.17	$20.92 - $24.78
Q1 2016	3,319,380	$129,752	$19.21	$15.32 - $22.27
Q4 2015	3,349,610	$110,922	$20.89	$16.30 - $24.44
Q3 2015	3,304,857	$122,142	$23.01	$19.66 - $25.83