INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

STERLING INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001509873)

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

Q3 2015

Shares 9,820 Value ($000) $497 Avg Close $51.62 Range $44.28 - $57.77

Q2 2015

Shares 20,982 Value ($000) $1,194 Avg Close $55.81 Range $49.57 - $60.69

Q1 2015

Shares 23,492 Value ($000) $1,192 Avg Close $51.89 Range $47.76 - $56.27

Q4 2014

Shares 25,297 Value ($000) $1,338 Avg Close $48.18 Range $38.64 - $54.90

Q3 2014

Shares 44,527 Value ($000) $1,773 Avg Close $44.00 Range $39.40 - $48.93

Q2 2014

Shares 44,672 Value ($000) $2,135 Avg Close $38.65 Range $31.45 - $49.10

Q1 2014

Shares 45,380 Value ($000) $1,503 Avg Close $29.77 Range $26.25 - $33.60

Q4 2013

Shares 45,680 Value ($000) $1,347 Avg Close $33.88 Range $28.53 - $39.87

Q3 2013

Shares 19,430 Value ($000) $726 Avg Close $37.73 Range $35.02 - $41.24

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	9,820	$497	$51.62	$44.28 - $57.77
Q2 2015	20,982	$1,194	$55.81	$49.57 - $60.69
Q1 2015	23,492	$1,192	$51.89	$47.76 - $56.27
Q4 2014	25,297	$1,338	$48.18	$38.64 - $54.90
Q3 2014	44,527	$1,773	$44.00	$39.40 - $48.93
Q2 2014	44,672	$2,135	$38.65	$31.45 - $49.10
Q1 2014	45,380	$1,503	$29.77	$26.25 - $33.60
Q4 2013	45,680	$1,347	$33.88	$28.53 - $39.87
Q3 2013	19,430	$726	$37.73	$35.02 - $41.24