Date: January 20, 2026
To: All Canadian Securities Regulatory Authorities
Subject: BRIGHT MINDS BIOSCIENCES INC.
Dear Sir/Madam:
We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:
| Meeting Type : | Annual General Meeting |
| Record Date for Notice of Meeting : | February 10, 2026 |
| Record Date for Voting (if applicable) : | February 10, 2026 |
| Beneficial Ownership Determination Date : | February 10, 2026 |
| Meeting Date : | March 31, 2026 |
| Meeting Location (if available) : | Vancouver, BC |
| Issuer sending proxy related materials directly to NOBO: | No |
| Issuer paying for delivery to OBO: | No |
| Notice and Access (NAA) Requirements: | |
| NAA for Beneficial Holders | Yes |
| Beneficial Holders Stratification Criteria: | Not Applicable |
| NAA for Registered Holders | Yes |
| Registered Holders Stratification Criteria: | Not Applicable |
| Voting Security Details: | ||
| Description | CUSIP Number | ISIN |
| COMMON SHARES | 10919W405 | CA10919W4056 |