CIENA CORP

CUSIP: 171779AE1 Class: CNV

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2017
Shares 1,794,000 Value ($000) $1,787 Avg Close — Range —
Q4 2016
Shares 1,830,000 Value ($000) $1,822 Avg Close — Range —
Q3 2016
Shares 1,884,000 Value ($000) $1,874 Avg Close — Range —
Q2 2016
Shares 1,932,000 Value ($000) $1,909 Avg Close — Range —
Q1 2016
Shares 1,934,000 Value ($000) $1,898 Avg Close — Range —
Q4 2015
Shares 1,966,000 Value ($000) $1,928 Avg Close — Range —
Q3 2015
Shares 2,065,000 Value ($000) $2,037 Avg Close — Range —
Q2 2015
Shares 2,207,000 Value ($000) $2,216 Avg Close — Range —
Q1 2015
Shares 2,269,000 Value ($000) $2,251 Avg Close — Range —
Q4 2014
Shares 2,462,000 Value ($000) $2,440 Avg Close — Range —
Q3 2014
Shares 2,555,000 Value ($000) $2,506 Avg Close — Range —
Q2 2014
Shares 2,600,000 Value ($000) $2,578 Avg Close — Range —
Q1 2014
Shares 2,696,000 Value ($000) $2,742 Avg Close — Range —
Q4 2013
Shares 2,954,000 Value ($000) $3,021 Avg Close — Range —
Q3 2013
Shares 2,946,000 Value ($000) $3,000 Avg Close — Range —
Q2 2013
Shares 3,008,000 Value ($000) $2,892 Avg Close — Range —