CYBERONICS INC

CUSIP: 23251P102 Class: COMMON STOCK

BOKF, NA's Holding History (CIK: 0000009634)

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

Q2 2014
Shares 5,818 Value ($000) $364 Avg Close — Range —
Q1 2014
Shares 7,039 Value ($000) $459 Avg Close — Range —
Q4 2013
Shares 7,047 Value ($000) $461 Avg Close — Range —
Q3 2013
Shares 6,212 Value ($000) $315 Avg Close — Range —
Q2 2013
Shares 6,200 Value ($000) $322 Avg Close — Range —