ADTRAN INC

CUSIP: 00738A106 Class: COMMON STOCK

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q1 2018
Shares 166,952 Value ($000) $2,596 Avg Close — Range —
Q4 2017
Shares 197,829 Value ($000) $3,828 Avg Close — Range —
Q3 2017
Shares 154,426 Value ($000) $3,706 Avg Close — Range —
Q2 2017
Shares 154,585 Value ($000) $3,192 Avg Close — Range —
Q1 2017
Shares 272,171 Value ($000) $5,648 Avg Close — Range —
Q4 2016
Shares 331,818 Value ($000) $7,416 Avg Close — Range —
Q3 2016
Shares 431,294 Value ($000) $8,255 Avg Close — Range —
Q2 2016
Shares 342,475 Value ($000) $6,387 Avg Close — Range —
Q1 2016
Shares 299,594 Value ($000) $6,058 Avg Close — Range —
Q4 2015
Shares 383,277 Value ($000) $6,600 Avg Close — Range —
Q3 2015
Shares 579,868 Value ($000) $8,466 Avg Close — Range —
Q2 2015
Shares 417,655 Value ($000) $6,787 Avg Close — Range —
Q1 2015
Shares 280,700 Value ($000) $5,241 Avg Close — Range —
Q4 2014
Shares 149,361 Value ($000) $3,256 Avg Close — Range —
Q3 2014
Shares 89,687 Value ($000) $1,841 Avg Close — Range —