SONUS NETWORKS INC

CUSIP: 835916107 Class: CMN

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2014
Shares 38,301 Value ($000) $152 Avg Close — Range —
Q3 2014
Shares 45,028 Value ($000) $154 Avg Close — Range —
Q2 2014
Shares 45,028 Value ($000) $162 Avg Close — Range —
Q1 2014
Shares 45,594 Value ($000) $154 Avg Close — Range —
Q4 2013
Shares 54,848 Value ($000) $173 Avg Close — Range —
Q3 2013
Shares 47,390 Value ($000) $160 Avg Close — Range —
Q2 2013
Shares 50,422 Value ($000) $152 Avg Close — Range —