SONUS NETWORKS INC

CUSIP: 835916107 Class: CMN

FIRST TRUST ADVISORS LP's Holding History (CIK: 0001125816)

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

Q4 2014
Shares 4,729,536 Value ($000) $18,776 Avg Close — Range —
Q3 2014
Shares 3,423,936 Value ($000) $11,710 Avg Close — Range —
Q2 2014
Shares 4,083,194 Value ($000) $14,659 Avg Close — Range —
Q1 2014
Shares 6,191,644 Value ($000) $20,866 Avg Close — Range —
Q4 2013
Shares 6,257,884 Value ($000) $19,712 Avg Close — Range —
Q3 2013
Shares 4,556,730 Value ($000) $15,356 Avg Close — Range —
Q2 2013
Shares 3,630,903 Value ($000) $10,929 Avg Close — Range —