ADTRAN INC

CUSIP: 00738A106 Class: COMMON STOCK

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q3 2016
Shares 105,000 Value ($000) $2,010 Avg Close — Range —
Q2 2016
Shares 105,000 Value ($000) $1,958 Avg Close — Range —
Q1 2016
Shares 69,000 Value ($000) $1,395 Avg Close — Range —