F5 NETWORKS INC

Ticker: FFIV CUSIP: 315616102 Class: EQTY

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

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

Q4 2014

Shares 110,000 Value ($000) $14,351 Avg Close $124.66 Range $106.82 - $136.11

Q3 2014

Shares 107,000 Value ($000) $12,705 Avg Close $117.47 Range $108.03 - $128.30

Q2 2014

Shares 47,000 Value ($000) $5,238 Avg Close $107.63 Range $99.26 - $114.14

Q4 2013

Shares 7,000 Value ($000) $636 Avg Close $85.18 Range $78.14 - $93.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	110,000	$14,351	$124.66	$106.82 - $136.11
Q3 2014	107,000	$12,705	$117.47	$108.03 - $128.30
Q2 2014	47,000	$5,238	$107.63	$99.26 - $114.14
Q4 2013	7,000	$636	$85.18	$78.14 - $93.25