COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

LORD, ABBETT & CO. LLC's Holding History (CIK: 0000728100)

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

Q4 2016

Shares 362,617 Value ($000) $14,994 Avg Close $24.11 Range $21.53 - $26.92

Q3 2016

Shares 757,562 Value ($000) $27,886 Avg Close $24.16 Range $22.06 - $27.15

Q2 2016

Shares 1,014,540 Value ($000) $40,642 Avg Close $24.32 Range $22.65 - $26.11

Q1 2016

Shares 789,835 Value ($000) $30,827 Avg Close $21.23 Range $18.11 - $24.16

Q4 2015

Shares 478,094 Value ($000) $16,585 Avg Close $19.64 Range $15.90 - $22.21

Q3 2015

Shares 344,552 Value ($000) $9,358 Avg Close $17.72 Range $15.62 - $20.44

Q2 2015

Shares 349,452 Value ($000) $11,825 Avg Close $19.88 Range $18.21 - $21.34

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	362,617	$14,994	$24.11	$21.53 - $26.92
Q3 2016	757,562	$27,886	$24.16	$22.06 - $27.15
Q2 2016	1,014,540	$40,642	$24.32	$22.65 - $26.11
Q1 2016	789,835	$30,827	$21.23	$18.11 - $24.16
Q4 2015	478,094	$16,585	$19.64	$15.90 - $22.21
Q3 2015	344,552	$9,358	$17.72	$15.62 - $20.44
Q2 2015	349,452	$11,825	$19.88	$18.21 - $21.34