SONUS NETWORKS INC

CUSIP: 835916503 Class: COM NEW

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q3 2017
Shares 15,832 Value ($000) $121 Avg Close — Range —
Q2 2017
Shares 15,832 Value ($000) $118 Avg Close — Range —
Q4 2015
Shares 1,224,528 Value ($000) $8,731 Avg Close — Range —
Q3 2015
Shares 1,424,198 Value ($000) $8,146 Avg Close — Range —
Q2 2015
Shares 1,530,978 Value ($000) $10,594 Avg Close — Range —
Q1 2015
Shares 1,535,478 Value ($000) $12,100 Avg Close — Range —