CIENA CORP

CUSIP: 171779AE1 Class: CNV

ADVENT CAPITAL MANAGEMENT /DE/'s Holding History (CIK: 0001097278)

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

Q1 2017
Shares 500,000 Value ($000) $498 Avg Close — Range —
Q4 2016
Shares 500,000 Value ($000) $498 Avg Close — Range —
Q3 2016
Shares 43,066,000 Value ($000) $42,939 Avg Close — Range —
Q2 2016
Shares 48,226,000 Value ($000) $47,829 Avg Close — Range —
Q1 2016
Shares 50,296,000 Value ($000) $49,428 Avg Close — Range —
Q4 2015
Shares 64,346,000 Value ($000) $63,369 Avg Close — Range —
Q3 2015
Shares 81,150,000 Value ($000) $80,492 Avg Close — Range —
Q2 2015
Shares 66,840,000 Value ($000) $67,270 Avg Close — Range —
Q1 2015
Shares 67,282,000 Value ($000) $67,170 Avg Close — Range —
Q4 2014
Shares 60,842,000 Value ($000) $60,503 Avg Close — Range —
Q3 2014
Shares 53,806,000 Value ($000) $52,888 Avg Close — Range —
Q2 2014
Shares 54,724,000 Value ($000) $54,334 Avg Close — Range —
Q1 2014
Shares 66,418,000 Value ($000) $67,784 Avg Close — Range —
Q4 2013
Shares 54,759,000 Value ($000) $56,324 Avg Close — Range —
Q3 2013
Shares 39,614,000 Value ($000) $40,290 Avg Close — Range —
Q2 2013
Shares 27,562,000 Value ($000) $26,525 Avg Close — Range —