ISC Information Services Corporation

Information Services Corporation (TSX:ISC) (“ISC” or the “Company”) today announced that leading independent proxy advisory firms Institutional Shareholder Services Inc. (“ISS”) and Glass, Lewis & Co. LLC (“Glass Lewis”) have unanimously recommended that shareholders vote FOR all the resolutions put forth by ISC’s Board of Directors (the "Board") at the upcoming annual meeting (the "Meeting" or “AGM”) of shareholders on May 13, 2025.

In their reports, ISS and Glass Lewis have both endorsed the recommendation that shareholders vote FOR all the Company's proposed director nominees (Roger Brandvold, Anthony Guglielmin, Iraj Pourian, Laurie Powers, James Roche, Heather Ross and Dion Tchorzewski) and the re-appointment of Deloitte LLP as the Company’s Auditor.

DON’T DELAY. VOTE TODAY.

The deadline to vote your shares in connection with the Company’s annual meeting is fast approaching. ISC encourages shareholders to vote their proxies today, ahead of the proxy voting deadline on Friday, May 9, 2025 at 11:00 a.m. Saskatchewan time/MDT. For information or support with voting your shares, please contact ISC’s strategic shareholder advisor, Kingsdale Advisors, using one of the following channels:

• Toll-Free (North America): 1-800-485-6763
• Text/Call: 437-561-4995
• Email: contactus@kingsdaleadvisors.com

About ISC®

Headquartered in Canada, ISC is a leading provider of registry and information management services for public data and records. Throughout our history, we have delivered value to our clients by providing solutions to manage, secure and administer information through our Registry Operations, Services and Technology Solutions segments. ISC is focused on sustaining its core business while pursuing new growth opportunities. The Class A Shares of ISC trade on the Toronto Stock Exchange under the symbol ISC.

Cautionary Note Regarding Forward-Looking Information

This news release contains forward-looking information within the meaning of applicable Canadian securities laws including, without limitation, statements related to the date of our upcoming AGM and associated proxy voting deadline. We will announce any changes to the Meeting, which may include changing the date, time, or format of the Meeting, by way of news release which will be available on our website at www.isc.ca or from ISC’s profile on SEDAR+ at www.sedarplus.ca

Investor ContactJonathan HackshawSenior Director, Investor Relations & Capital MarketsToll Free: 1-855-341-8363 in North America or 1-306-798-1137investor.relations@isc.ca

Media ContactAquin GeorgeKingsdale Advisors1-416-644-4031ageorge@kingsdaleadvisors.com

Shareholder ContactKingsdale AdvisorsToll Free: 1-800-485-6763 in North America or 1-437-561-4995contactus@kingsdaleadvisors.com