INTERDIGITAL INC

CUSIP: 458660AB3 Class: CNV

CAMDEN ASSET MANAGEMENT L P /CA's Holding History (CIK: 0000903944)

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

Q4 2015
Shares 4,400,000 Value ($000) $4,411 Avg Close — Range —
Q2 2015
Shares 2,975,000 Value ($000) $3,267 Avg Close — Range —
Q1 2015
Shares 2,975,000 Value ($000) $3,207 Avg Close — Range —
Q4 2014
Shares 4,400,000 Value ($000) $4,892 Avg Close — Range —
Q3 2014
Shares 4,400,000 Value ($000) $4,505 Avg Close — Range —
Q2 2014
Shares 3,700,000 Value ($000) $4,079 Avg Close — Range —
Q1 2014
Shares 3,700,000 Value ($000) $3,836 Avg Close — Range —
Q4 2013
Shares 3,700,000 Value ($000) $3,767 Avg Close — Range —
Q3 2013
Shares 2,200,000 Value ($000) $2,303 Avg Close — Range —
Q2 2013
Shares 8,500,000 Value ($000) $9,122 Avg Close — Range —