INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q2 2015

Shares 12,600 Value ($000) $716 Avg Close $55.81 Range $49.57 - $60.69

Q1 2015

Shares 12,600 Value ($000) $639 Avg Close $51.89 Range $47.76 - $56.27

Q4 2014

Shares 12,600 Value ($000) $666 Avg Close $48.18 Range $38.64 - $54.90

Q3 2014

Shares 12,600 Value ($000) $501 Avg Close $44.00 Range $39.40 - $48.93

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	12,600	$716	$55.81	$49.57 - $60.69
Q1 2015	12,600	$639	$51.89	$47.76 - $56.27
Q4 2014	12,600	$666	$48.18	$38.64 - $54.90
Q3 2014	12,600	$501	$44.00	$39.40 - $48.93