SONUS NETWORKS INC

CUSIP: 835916107 Class: CMN

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q4 2014
Shares 245,175 Value ($000) $973 Avg Close — Range —
Q3 2014
Shares 82,300 Value ($000) $281 Avg Close — Range —
Q2 2014
Shares 158,722 Value ($000) $570 Avg Close — Range —
Q1 2014
Shares 196,700 Value ($000) $663 Avg Close — Range —
Q4 2013
Shares 225,200 Value ($000) $709 Avg Close — Range —
Q3 2013
Shares 158,500 Value ($000) $536 Avg Close — Range —
Q2 2013
Shares 160,000 Value ($000) $482 Avg Close — Range —