EX-99.1 2 a12-5663_7ex99d1.htm EX-99.1

Exhibit 99.1

March 16, 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:

· To date: 63,700 tonnes of material averaging 1.71 gpt gold has been stockpiled

· Crushing plant now 50% complete

· Process plant is 40% complete

· Heap leach pad expansion 35% complete

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

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

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| MUX El Gallo Complex Development Photo Update March 16, 2012 MCEWEN MINING NYSE TSX

| 2 New administration building nears completion.

| 3 Process plant 40% complete. Major equipment to be delivered in coming weeks.

| 4 Foundation work at the process plant continues.

| 5 Heap leach pad expansion 35% complete.

| 6 Heap leach pad expansion 35% complete.

| 7 Heap leach pad expansion 35% complete.

| 8 Site preparation continues.

| 9 1.5 Million tonnes of material moved since December.

| 10 1.5 million tonnes of material moved since December.

| 11 63,700 tonnes of material averaging 1.71 gpt gold has been stockpiled.

| 12 Paving of haul road between the Palmarito and El Gallo deposits 100% complete.

| 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 NYSE TSX