CIENA CORP

CUSIP: 171779AK7 Class: DEBT

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q1 2015
Shares 104,489 Value ($000) $2,018 Avg Close — Range —
Q4 2014
Shares 104,489 Value ($000) $2,028 Avg Close — Range —