ADTRAN INC

CUSIP: 00738A106 Class: COMMON STOCK

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q3 2015
Shares 10,052 Value ($000) $147 Avg Close — Range —
Q2 2015
Shares 10,052 Value ($000) $163 Avg Close — Range —
Q1 2015
Shares 10,105 Value ($000) $189 Avg Close — Range —
Q4 2014
Shares 10,105 Value ($000) $220 Avg Close — Range —
Q3 2014
Shares 27,650 Value ($000) $568 Avg Close — Range —
Q2 2014
Shares 59,812 Value ($000) $1,349 Avg Close — Range —
Q1 2014
Shares 60,798 Value ($000) $1,484 Avg Close — Range —
Q4 2013
Shares 60,798 Value ($000) $1,642 Avg Close — Range —
Q3 2013
Shares 60,888 Value ($000) $1,622 Avg Close — Range —
Q2 2013
Shares 61,113 Value ($000) $1,504 Avg Close — Range —