CIENA CORP

CUSIP: 171779AE1 Class: CNV

SCHRODER INVESTMENT MANAGEMENT GROUP's Holding History (CIK: 0001086619)

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

Q1 2014
Shares 18,000,000 Value ($000) $1,841,094,000 Avg Close — Range —
Q4 2013
Shares 18,000,000 Value ($000) $1,840,500,000 Avg Close — Range —