CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Diametric Capital, LP's Holding History (CIK: 0001719087)

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

Q1 2020

Shares 21,482 Value ($000) $855 Avg Close $41.03 Range $30.58 - $44.61

Q2 2019

Shares 5,211 Value ($000) $214 Avg Close $38.48 Range $32.76 - $46.23

Q3 2018

Shares 19,900 Value ($000) $622 Avg Close $28.02 Range $25.19 - $32.33

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	21,482	$855	$41.03	$30.58 - $44.61
Q2 2019	5,211	$214	$38.48	$32.76 - $46.23
Q3 2018	19,900	$622	$28.02	$25.19 - $32.33