CIENA CORP

CUSIP: 171779AG6 Class: CONVERT

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

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

Q3 2016
Shares 5,500,000 Value ($000) $6,994 Avg Close — Range —
Q2 2016
Shares 18,429,000 Value ($000) $21,577 Avg Close — Range —
Q1 2016
Shares 17,415,000 Value ($000) $20,689 Avg Close — Range —
Q3 2015
Shares 4,000,000 Value ($000) $5,019 Avg Close — Range —
Q2 2015
Shares 4,000,000 Value ($000) $5,447 Avg Close — Range —
Q3 2013
Shares 1,380,000 Value ($000) $13,140 Avg Close — Range —
Q2 2013
Shares 16,747,000 Value ($000) $21,063 Avg Close — Range —