Exhibit 99.1
| |
| Date: April 18, 2016 | 100 University Avenue, 8th floor |
| Toronto ON, M5J 2Y1 | |
| www.computershare.com |
To: All Canadian Securities Regulatory Authorities
Subject: Aptose 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 : | May 13, 2016 |
| Record Date for Voting (if applicable) : | May 13, 2016 |
| Beneficial Ownership Determination Date : | May 13, 2016 |
| Meeting Date : | June 21, 2016 |
| Meeting Location (if available) : | Toronto, ON |
| Issuer sending proxy related materials directly to NOBO: | No |
| Issuer paying for delivery to OBO: | Yes |
| Notice and Access (NAA) Requirements: | |
| NAA for Beneficial Holders | No |
| NAA for Registered Holders | No |
| Voting Security Details: |
| Description | CUSIP Number | ISIN |
| COMMON SHARES | 03835T200 | CA03835T2002 |
Sincerely,
Computershare
Agent for Aptose Biosciences Inc.