INTERDIGITAL, INC. will be hosting a Virtual Annual Shareholder Meeting this year. The meeting will be held on Thu May 31 00:00:00 EDT 2018 at 11:00 AM EDT and shareholders of record will be able to vote and ask questions online during the meeting. If you would like to attend the virtual annual meeting and you have your 16-digit control number, please go to IDCC.onlineshareholdermeeting.com beginning 30 minutes prior to the start of the meeting to log in. If you have registered for electronic delivery of your proxy materials, you will also need your 4-digit PIN to log in. If you came through your brokerage firm's website and do not have your control number, you can gain access to the meeting by logging into your brokerage firm's website site 30 minutes prior to the meeting start, selecting the shareholder communications mailbox to link through to the meeting and the control number will automatically populate. Click here for additional information on how to access the meeting, including how to obtain your control number and/or PIN if you do not have it.