COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

ONTARIO TEACHERS PENSION PLAN BOARD's Holding History (CIK: 0000937567)

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

Q4 2018

Shares 8,781 Value ($000) $397 Avg Close $34.08 Range $29.38 - $39.03

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	8,781	$397	$34.08	$29.38 - $39.03