EX-99.1 2 a12-6361_1ex99d1.htm EX-99.1

Exhibit 99.1

| March 2, 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:

· Foundation for the Phase 1 process plant now under construction

· Mining at Sargrado Corazon deposit begins

· Carbon columns for the Phase 1 process plant 60% complete

· Haul road between the Palmarito and El Gallo deposits 95% 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 02, 2012 MCEWEN MINING

| 2 Foundation for the Phase 1 process plant.

| 3 Foundation for the Phase 1 process plant.

| 4 Foundation for the Phase 1 process plant.

| 5 Foundation for the Phase 1 process plant generators.

| 6 Constructing interior for the Phase 1 process plant.

| 7 Carbon columns for the Phase 1 process plant 60% complete.

| 8 Carbon columns for the Phase 1 process plant 60% complete.

| 9 Heap leach pad expansion underway.

| 10 Heap leach pad expansion underway.

| 11 Heap leach pad expansion underway.

| 12 Pre-stripping at the Samaniego open pit.

| 13 First bench being prepared for the Sargrado Corazon deposit.

| 14 First bench being prepared for the Sargrado Corazon deposit.

| 15 Haul road between the Palmarito and El Gallo deposits 95% complete.

| 16 Haul road between the Palmarito and El Gallo deposits 95% complete.

| 17 Haul road between the Palmarito and El Gallo deposits 95% complete.

| 18 Administration building.

| 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