CYBERONICS INC

CUSIP: 23251P102 Class: COMMON STOCK

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q3 2015
Shares 741,069 Value ($000) $45,041 Avg Close — Range —
Q2 2015
Shares 708,646 Value ($000) $42,136 Avg Close — Range —
Q1 2015
Shares 672,749 Value ($000) $43,675 Avg Close — Range —
Q4 2014
Shares 559,809 Value ($000) $31,170 Avg Close — Range —
Q3 2014
Shares 522,566 Value ($000) $26,736 Avg Close — Range —
Q2 2014
Shares 509,774 Value ($000) $31,841 Avg Close — Range —
Q1 2014
Shares 502,775 Value ($000) $32,804 Avg Close — Range —
Q4 2013
Shares 516,466 Value ($000) $33,834 Avg Close — Range —
Q3 2013
Shares 527,372 Value ($000) $26,758 Avg Close — Range —
Q2 2013
Shares 490,900 Value ($000) $25,507 Avg Close — Range —