SONUS NETWORKS INC

CUSIP: 835916107 Class: CMN

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

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

Q4 2014
Shares 456,132 Value ($000) $1,811 Avg Close — Range —
Q3 2014
Shares 454,193 Value ($000) $1,553 Avg Close — Range —
Q2 2014
Shares 448,717 Value ($000) $1,611 Avg Close — Range —
Q1 2014
Shares 346,817 Value ($000) $1,169 Avg Close — Range —
Q4 2013
Shares 390,617 Value ($000) $1,230 Avg Close — Range —
Q3 2013
Shares 388,117 Value ($000) $1,312 Avg Close — Range —
Q2 2013
Shares 375,982 Value ($000) $1,132 Avg Close — Range —
Q1 2013
Shares 369,836 Value ($000) $958 Avg Close — Range —