SONUS NETWORKS INC

CUSIP: 835916503 Class: COM NEW

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q3 2015
Shares 250,914 Value ($000) $1,435 Avg Close — Range —
Q2 2015
Shares 250,000 Value ($000) $1,730 Avg Close — Range —
Q1 2015
Shares 127,877 Value ($000) $1,008 Avg Close — Range —