F5 NETWORKS INC

Ticker: FFIV CUSIP: 315616102 Class: EQTY

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

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

Q4 2014

Shares 38,944 Value ($000) $5,080 Avg Close $124.66 Range $106.82 - $136.11

Q3 2014

Shares 40,138 Value ($000) $4,765 Avg Close $117.47 Range $108.03 - $128.30

Q2 2014

Shares 51,204 Value ($000) $5,706 Avg Close $107.63 Range $99.26 - $114.14

Q1 2014

Shares 75,883 Value ($000) $8,091 Avg Close $105.80 Range $87.47 - $116.71

Q4 2013

Shares 52,837 Value ($000) $4,800 Avg Close $85.18 Range $78.14 - $93.25

Q3 2013

Shares 55,878 Value ($000) $4,792 Avg Close $85.01 Range $68.22 - $94.66

Q2 2013

Shares 5,315 Value ($000) $365 Avg Close $76.95 Range $67.53 - $92.57

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	38,944	$5,080	$124.66	$106.82 - $136.11
Q3 2014	40,138	$4,765	$117.47	$108.03 - $128.30
Q2 2014	51,204	$5,706	$107.63	$99.26 - $114.14
Q1 2014	75,883	$8,091	$105.80	$87.47 - $116.71
Q4 2013	52,837	$4,800	$85.18	$78.14 - $93.25
Q3 2013	55,878	$4,792	$85.01	$68.22 - $94.66
Q2 2013	5,315	$365	$76.95	$67.53 - $92.57