INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

Brandywine Global Investment Management, LLC's Holding History (CIK: 0000829108)

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

Q3 2018

Shares 105,153 Value ($000) $8,413 Avg Close $81.96 Range $78.65 - $85.85

Q2 2018

Shares 104,733 Value ($000) $8,473 Avg Close $79.55 Range $71.75 - $85.50

Q3 2017

Shares 33,954 Value ($000) $2,505 Avg Close $73.19 Range $67.55 - $81.85

Q2 2017

Shares 37,034 Value ($000) $2,863 Avg Close $83.80 Range $77.20 - $93.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	105,153	$8,413	$81.96	$78.65 - $85.85
Q2 2018	104,733	$8,473	$79.55	$71.75 - $85.50
Q3 2017	33,954	$2,505	$73.19	$67.55 - $81.85
Q2 2017	37,034	$2,863	$83.80	$77.20 - $93.00