CIENA CORP

CUSIP: 17177930 Class: COM NEW

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2015
Shares 289,172 Value ($000) $5,983 Avg Close — Range —
Q3 2015
Shares 121,926 Value ($000) $2,887 Avg Close — Range —
Q2 2015
Shares 121,926 Value ($000) $2,887 Avg Close — Range —
Q1 2015
Shares 233,800 Value ($000) $4,515 Avg Close — Range —
Q1 2014
Shares 899,258 Value ($000) $20,449 Avg Close — Range —
Q4 2013
Shares 610,223 Value ($000) $14,603 Avg Close — Range —
Q3 2013
Shares 287,273 Value ($000) $7,177 Avg Close — Range —
Q2 2013
Shares 35,163 Value ($000) $683 Avg Close — Range —