AMCU secondary strike action

21 February 2019

AMCU Secondary Strike Action

Lonmin can confirm that the Company, on Wednesday 20 February 2019, received written notice of a secondary strike action from AMCU to take place at its operations in support of the protected strike action at Sibanye Stillwater Gold Operations. According to the correspondence received, the strike will commence on Thursday 28 February 2019 until 07 March 2019. Lonmin is in the process of obtaining legal advice to inform our response to the notice.

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ENQUIRIES

Investors/Analysts:

Tanya Chikanza (Executive Vice President: Corporate +44 20 3908 1073/ +27 83 391 2859/

Strategy, Investor Relations and Corporate +27 14 571 2070

Communications)

Andrew Mari (Investor Relations) +27 60 564 6419

Media:

TB Cardew

Anthony Cardew/Emma Crawshaw +44 207 930 0777

Lonmin

Wendy Tlou (Head of Communication) +27 83 358 0049

Notes to editors

Lonmin, which is listed on both the London Stock Exchange and the Johannesburg Stock Exchange, is one of the world's largest primary producers of PGMs. These metals are essential for many industrial applications, especially catalytic converters for internal combustion engine emissions, as well as their widespread use in jewellery.

Lonmin's operations are situated in the Bushveld Igneous Complex in South Africa, where more than 70% of known global PGM resources are located.

The Company creates value through mining, refining and marketing PGMs and has a vertically integrated operational structure - from mine to market. Underpinning the operations is the Shared Services function which provides high quality levels of support and infrastructure across the operations.

For further information please visit our website: http://www.lonmin.com

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