CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Shannon River Fund Management LLC's Holding History (CIK: 0001301050)

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

Q3 2017

Shares 250,953 Value ($000) $5,513 Avg Close $23.93 Range $20.86 - $26.92

Q2 2017

Shares 498,998 Value ($000) $12,485 Avg Close $23.96 Range $21.43 - $27.98

Q1 2017

Shares 392,300 Value ($000) $9,262 Avg Close $24.52 Range $22.73 - $26.84

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	250,953	$5,513	$23.93	$20.86 - $26.92
Q2 2017	498,998	$12,485	$23.96	$21.43 - $27.98
Q1 2017	392,300	$9,262	$24.52	$22.73 - $26.84