COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

TOCQUEVILLE ASSET MANAGEMENT L.P.'s Holding History (CIK: 0000883961)

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

Q2 2014

Shares 22,372 Value ($000) $773 Avg Close $20.24 Range $18.87 - $21.66

Q1 2014

Shares 22,576 Value ($000) $802 Avg Close $22.15 Range $17.84 - $24.59

Q4 2013

Shares 47,346 Value ($000) $1,913 Avg Close $20.46 Range $17.72 - $23.32

Q3 2013

Shares 106,132 Value ($000) $3,423 Avg Close $17.12 Range $15.63 - $18.44

Q2 2013

Shares 113,107 Value ($000) $3,184 Avg Close $15.51 Range $14.03 - $16.52

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	22,372	$773	$20.24	$18.87 - $21.66
Q1 2014	22,576	$802	$22.15	$17.84 - $24.59
Q4 2013	47,346	$1,913	$20.46	$17.72 - $23.32
Q3 2013	106,132	$3,423	$17.12	$15.63 - $18.44
Q2 2013	113,107	$3,184	$15.51	$14.03 - $16.52