ADTRAN INC

CUSIP: 00738A106 Class: COMMON STOCK

CAMBIAR INVESTORS LLC's Holding History (CIK: 0000823621)

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

Q1 2015
Shares 1,541,065 Value ($000) $28,772 Avg Close — Range —
Q4 2014
Shares 1,225,720 Value ($000) $26,721 Avg Close — Range —