INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

LORD, ABBETT & CO. LLC's Holding History (CIK: 0000728100)

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

Q2 2018

Shares 88,168 Value ($000) $7,133 Avg Close $79.55 Range $71.75 - $85.50

Q1 2018

Shares 89,220 Value ($000) $6,567 Avg Close $76.57 Range $69.33 - $81.70

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	88,168	$7,133	$79.55	$71.75 - $85.50
Q1 2018	89,220	$6,567	$76.57	$69.33 - $81.70