CIENA CORP

CUSIP: 171779AE1 Class: CNV

M&T Bank Corp's Holding History (CIK: 0000036270)

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

Q4 2016
Shares 14,000 Value ($000) $14 Avg Close — Range —
Q1 2015
Shares 16,000 Value ($000) $16 Avg Close — Range —
Q4 2014
Shares 55,000 Value ($000) $55 Avg Close — Range —
Q3 2014
Shares 50,000 Value ($000) $49 Avg Close — Range —