Consent of Independent Registered Public Accounting Firm

We hereby consent to the incorporation by reference of our report dated March 21, 2024 relating to our audits of financial statements of IntelGenx Technologies Corp. as of and for the years ended December 31, 2023 and 2022 appearing in this Annual Report on Form 10-K of IntelGenx Technologies Corp. for the year ended December 31, 2023.

Richter LLP (Signed)

Montréal, Québec,

Canada

March 21, 2024

MONTRÉAL
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Montréal QC H3A 0G6
514.934.3400 TORONTO
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181 Bay St., #3510
Bay Wellington Tower
Toronto ON M5J 2T3
416.488.2345 CHICAGO
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Chicago, IL 60606
312.828.0800 RICHTER.CA