But at many of the major platinum mines, such as the mine in Marikana owned by Lonmin PLC ADR (LNMIY), their membership is dwindling rapidly.

Lonmin Plc is a United Kingdom-based company. The principal activities of the Company during the fiscal year ended September 30, 2011 (LON: LMI), were mining, refining and marketing of Platinum Group Metals (PGM).

Shares of Lonmin (LON: LMI) opened at 269.90 on Thursday. Lonmin has a one year low of GBX 246.00 and a one year high of GBX 511.917.

LONDON--Platinum producer Lonmin PLC (LMI.LN) Thursday said that a talks between the company and unions at the Commission for Conciliation, Mediation and Arbitration didn't yield an agreement, and added that eight employees were suspended after ...

Johannesburg - South African police are investigating the murder of an employee of Lonmin Plc, the world's third-biggest platinum producer, following the killing of two other workers near its mines in the last month.

Johannesburg, South Africa --- 13 June 2013 - Major platinum producer Lonmin plc has confirmed that it is fully committed to the conclusion of a new recognition agreement with the Association of Mineworkers and Construction Union (AMCU).

This was followed by the shooting of two National Union of Mineworkers officials at Lonmin PLC's Marikana platinum mine - the site where 44 people died last August.

Last week, the Association of Mineworkers and Construction Union threatened platinum producer Lonmin PLC (LMI.LN) with a strike if talks over a new union recognition agreement broke down.

Shares of Lonmin (LON: LMI) opened at 285.80 on Thursday. Lonmin has a one year low of GBX 246.00 and a one year high of GBX 511.917.

A resurgence of mine violence and wildcat strikes in the past month has hit both Lonmin PLC and other platinum and chrome producers in the Rustenburg region.