Exhibit 99.1
100 University Avenue, 9th floor
Toronto ON, M5J 2Y1
www.computershare.com
Date: March 14, 2011
To: All Canadian Securities Regulatory Authorities
Subject: IMRIS INC.
Dear Sirs:
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 : | 08/04/2011 |
| Record Date for Voting (if applicable) : | 08/04/2011 |
| Beneficial Ownership Determination Date : | 08/04/2011 |
| Meeting Date : | 13/05/2011 |
| Meeting Location (if available) : | Toronto ON |
Voting Security Details:
| Description | CUSIP Number | ISIN |
| COMMON SHARES | 45322N105 | CA45322N1050 |
Sincerely,
Computershare Trust Company of Canada / Computershare Investor Services Inc.
Agent for IMRIS INC.