INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

C Partners Holding GmbH's Holding History (CIK: 0001634083)

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

Q3 2018

Shares 1,432 Value ($000) $115 Avg Close $81.96 Range $78.65 - $85.85

Q2 2018

Shares 2,943 Value ($000) $238 Avg Close $79.55 Range $71.75 - $85.50

Q1 2018

Shares 2,854 Value ($000) $210 Avg Close $76.57 Range $69.33 - $81.70

Q4 2017

Shares 3,578 Value ($000) $272 Avg Close $74.74 Range $70.60 - $78.10

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	1,432	$115	$81.96	$78.65 - $85.85
Q2 2018	2,943	$238	$79.55	$71.75 - $85.50
Q1 2018	2,854	$210	$76.57	$69.33 - $81.70
Q4 2017	3,578	$272	$74.74	$70.60 - $78.10