SONUS NETWORKS INC

CUSIP: 835916503 Class: COM NEW

K2 PRINCIPAL FUND, L.P.'s Holding History (CIK: 0001461790)

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

Q2 2015
Shares 70,646 Value ($000) $489 Avg Close — Range —
Q1 2015
Shares 97,200 Value ($000) $766 Avg Close — Range —