Exhibit 99.1
| Date: April 15, 2013 |  |
510 Burrard St, 3rd Floor Vancouver BC, V6C 3B9 www.computershare.com |
To: All Canadian Securities Regulatory Authorities
Subject: MAG SILVER CORP.
Dear Sirs:
510 Burrard St, 3rd Floor Vancouver BC, V6C 3B9 www.computershare.com
We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:
| Meeting Type : | Annual General and Special Meeting | ||
| Record Date for Notice of Meeting : | May 14, 2013 | ||
| Record Date for Voting (if applicable) : | May 14, 2013 | ||
| Beneficial Ownership Determination Date : | May 14, 2013 | ||
| Meeting Date : | June 18, 2013 | ||
| The Fairmont Waterfront | |||
| Meeting Location (if available) : | 900 Canada Place Way | ||
| Vancouver, B.C. | |||
| V6C 3L5 | |||
| 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 | ||
| Beneficial Holders Stratification Criteria: | |||
| Number of shares greater than: | n/a | ||
| Holder Consent Type(s): | n/a | ||
| Holder Provinces-Territories: | n/a | ||
| NAA for Registered Holders | No | ||
| Registered Holders Stratification Criteria: | |||
| Number of shares greater than: | n/a | ||
| Holder Provinces-Territories: | n/a | ||
| Voting Security Details: | |||
| Description | CUSIP Number | ISIN | |
| COMMON SHARES | 55903Q104 | CA55903Q1046 | |
Sincerely,
Computershare
Agent for MAG SILVER CORP.