CIENA CORP

CUSIP: 171779AK7 Class: DEBT

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

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

Q4 2015
Shares 110,000 Value ($000) $143 Avg Close — Range —
Q3 2015
Shares 110,000 Value ($000) $144 Avg Close — Range —
Q2 2015
Shares 110,000 Value ($000) $155 Avg Close — Range —
Q1 2015
Shares 150,000 Value ($000) $191 Avg Close — Range —
Q4 2014
Shares 150,000 Value ($000) $187 Avg Close — Range —
Q3 2014
Shares 150,000 Value ($000) $180 Avg Close — Range —
Q2 2014
Shares 12,279,000 Value ($000) $17,075 Avg Close — Range —
Q1 2014
Shares 12,739,000 Value ($000) $18,089 Avg Close — Range —
Q4 2013
Shares 14,492,000 Value ($000) $21,394 Avg Close — Range —
Q3 2013
Shares 16,135,000 Value ($000) $24,445 Avg Close — Range —
Q2 2013
Shares 22,402,000 Value ($000) $29,333 Avg Close — Range —