SONUS NETWORKS INC

CUSIP: 835916107 Class: CMN

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2014
Shares 149,000 Value ($000) $591 Avg Close — Range —
Q3 2014
Shares 147,115 Value ($000) $503 Avg Close — Range —
Q2 2014
Shares 148,705 Value ($000) $534 Avg Close — Range —
Q1 2014
Shares 148,705 Value ($000) $500 Avg Close — Range —
Q4 2013
Shares 141,250 Value ($000) $444 Avg Close — Range —
Q3 2013
Shares 83,250 Value ($000) $280 Avg Close — Range —
Q2 2013
Shares 23,250 Value ($000) $70 Avg Close — Range —