RIVERBED TECHNOLOGY INC

CUSIP: 768573107 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q1 2015
Shares 578,075 Value ($000) $12,088 Avg Close — Range —
Q4 2014
Shares 516,019 Value ($000) $10,532 Avg Close — Range —
Q3 2014
Shares 212,319 Value ($000) $3,937 Avg Close — Range —
Q2 2014
Shares 197,859 Value ($000) $4,082 Avg Close — Range —
Q1 2014
Shares 187,959 Value ($000) $3,705 Avg Close — Range —
Q4 2013
Shares 103,000 Value ($000) $1,862 Avg Close — Range —
Q3 2013
Shares 95,000 Value ($000) $1,386 Avg Close — Range —
Q2 2013
Shares 51,000 Value ($000) $794 Avg Close — Range —