INTERDIGITAL INC

CUSIP: 458660AB3 Class: CNV

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q2 2014
Shares 684,000 Value ($000) $754 Avg Close — Range —
Q1 2014
Shares 684,000 Value ($000) $709 Avg Close — Range —
Q4 2013
Shares 684,000 Value ($000) $697 Avg Close — Range —
Q3 2013
Shares 684,000 Value ($000) $717 Avg Close — Range —
Q2 2013
Shares 684,000 Value ($000) $734 Avg Close — Range —