SONUS NETWORKS INC

CUSIP: 835916503 Class: COM NEW

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q3 2017
Shares 76,723 Value ($000) $587 Avg Close — Range —
Q2 2017
Shares 84,150 Value ($000) $626 Avg Close — Range —
Q1 2017
Shares 93,950 Value ($000) $619 Avg Close — Range —
Q4 2016
Shares 98,250 Value ($000) $619 Avg Close — Range —
Q3 2016
Shares 100,750 Value ($000) $784 Avg Close — Range —
Q2 2016
Shares 100,050 Value ($000) $869 Avg Close — Range —
Q1 2016
Shares 104,711 Value ($000) $788 Avg Close — Range —
Q4 2015
Shares 91,603 Value ($000) $653 Avg Close — Range —
Q3 2015
Shares 90,003 Value ($000) $515 Avg Close — Range —
Q2 2015
Shares 90,303 Value ($000) $625 Avg Close — Range —
Q1 2015
Shares 89,666 Value ($000) $707 Avg Close — Range —