F5 NETWORKS INC

Ticker: FFIV CUSIP: 315616102 Class: EQTY

ZEVENBERGEN CAPITAL INVESTMENTS LLC's Holding History (CIK: 0001276918)

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

Q2 2014

Shares 244,730 Value ($000) $27,273 Avg Close $107.63 Range $99.26 - $114.14

Q1 2014

Shares 250,530 Value ($000) $26,714 Avg Close $105.80 Range $87.47 - $116.71

Q4 2013

Shares 494,775 Value ($000) $44,955 Avg Close $85.18 Range $78.14 - $93.25

Q3 2013

Shares 921,181 Value ($000) $79,045 Avg Close $85.01 Range $68.22 - $94.66

Q2 2013

Shares 875,031 Value ($000) $60,202 Avg Close $76.95 Range $67.53 - $92.57

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	244,730	$27,273	$107.63	$99.26 - $114.14
Q1 2014	250,530	$26,714	$105.80	$87.47 - $116.71
Q4 2013	494,775	$44,955	$85.18	$78.14 - $93.25
Q3 2013	921,181	$79,045	$85.01	$68.22 - $94.66
Q2 2013	875,031	$60,202	$76.95	$67.53 - $92.57