EX-99.1 2 a12-8506_1ex99d1.htm EX-99.1

Exhibit 99.1

March 30, 2012

Dear McEwen Mining Shareholders,

Please find the attached El Gallo Complex development update.

Phase 1 construction at the El Gallo Complex remains within budget and on schedule for first gold pour expected mid-year, 2012!

Key development highlights over the past two weeks are:

· Concrete pouring continues for process plant foundation

· Crushing and process plant equipment arrives on site

· Administration building nears completion

· Final grading preparations for heap leach pad expansion nears completion

To view the El Gallo Development Photo Update, please click here.

For further information contact: |
Jenya Meshcheryakova | Mailing Address
Investor Relations | 181 Bay Street Suite 4750
Tel: (647) 258-0395 ext 410 | Toronto ON M5J 2T3
Toll Free: (866) 441-0690 | P.O. Box 792
Fax: (647) 258-0408 | E-mail: info@mcewenmining.com

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| MUX El Gallo Complex Development Photo Update March 30, 2012 MCEWEN MINING

| 2 Process plant foundation.

| 3 Process plant foundation.

| 4 Crushing plant equipment arriving on site.

| 5 Crushing plant equipment arriving on site.

| 6 Process plant equipment arriving on site.

| 7 Process plant equipment arriving on site.

| 8 Process plant equipment arriving on site.

| 9 Process plant equipment arriving on site.

| 10 Administration building nears completion.

| 11 Heap leach pad expansion being prepared for clay lining.

| 12 Samanegio open pit mining continues.

| MUX For further information please contact: Jenya Meshcheryakova Investor Relations Tel: (647) 258-0395 Toll Free: (866) 441- 0690 Fax: (647) 258-0408 Email: info@mcewenmining.com MCEWEN MINING