GOGO INC

Ticker: GOGO CUSIP: 38046C109 Class: Common Stock

NEXT CENTURY GROWTH INVESTORS LLC's Holding History (CIK: 0001134007)

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

Q4 2014

Shares 338,295 Value ($000) $5,592 Avg Close $16.30 Range $14.40 - $19.09

Q3 2014

Shares 343,335 Value ($000) $5,788 Avg Close $17.06 Range $14.03 - $19.60

Q2 2014

Shares 347,611 Value ($000) $6,799 Avg Close $17.23 Range $11.66 - $22.50

Q1 2014

Shares 342,875 Value ($000) $7,042 Avg Close $22.03 Range $18.18 - $26.90

Q2 2013

Shares 1,037,551 Value ($000) $14,494 Avg Close $14.61 Range $13.61 - $16.72

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	338,295	$5,592	$16.30	$14.40 - $19.09
Q3 2014	343,335	$5,788	$17.06	$14.03 - $19.60
Q2 2014	347,611	$6,799	$17.23	$11.66 - $22.50
Q1 2014	342,875	$7,042	$22.03	$18.18 - $26.90
Q2 2013	1,037,551	$14,494	$14.61	$13.61 - $16.72