CIENA CORP

CUSIP: 171779AE1 Class: CNV

FMR LLC's Holding History (CIK: 0000315066)

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

Q1 2017
Shares 46,050,000 Value ($000) $45,849 Avg Close — Range —
Q4 2016
Shares 44,050,000 Value ($000) $43,857 Avg Close — Range —
Q3 2016
Shares 12,800,000 Value ($000) $12,728 Avg Close — Range —