SONUS NETWORKS INC

CUSIP: 835916503 Class: COM NEW

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2015
Shares 35,912 Value ($000) $256 Avg Close — Range —
Q2 2015
Shares 269,653 Value ($000) $1,866 Avg Close — Range —
Q4 2014
Shares 1,020,826 Value ($000) $4,053 Avg Close — Range —