LEI No: 213800FGJZ2WAC6Y2L94

REGULATORY RELEASE

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY, IN, INTO OR FROM ANY JURISDICTION WHERE TO DO SO WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OF SUCH JURISDICTION

THIS ANNOUNCEMENT CONTAINS INSIDE INFORMATION

FOR IMMEDIATE RELEASE

Recommended all-share offer for Lonmin by Sibanye-Stillwater:

Competition Appeal Court hearing set for 2 April 2019

Johannesburg, 25 January 2019. Sibanye-Stillwater (Tickers JSE: SGL and NYSE: SBGL) and Lonmin Plc (Tickers JSE: LON and LSE: LMI) hereby announce that, further to the announcements published by Sibanye-Stillwater and Lonmin on 19 December 2018 and 15 January 2019 in relation to the Offer, the Competition Appeal Court of South Africa (the "CACSA") has set down 2 April 2019 as the date for the hearing of the appeal filed with the CACSA by the Association of Mineworkers and Construction Union("AMCU"). The appeal is against the South African Competition Tribunal's decision of 21 November 2018, to approve the Offer subject to certain specific conditions.

Sibanye-Stillwater and Lonmin remain fully committed to the Offer.

Defined terms used but not defined in this announcement have the meanings set out in the firm offer announcement dated 14 December 2017, please refer to:

https://www.sibanyestillwater.com/investors/transactions/lonmin; and

www.lonmin.com/investors/sibanye-stillwater-offer for more information on the transaction.

Further announcements will be made in due course.

ENQUIRIES

Lonmin Media enquiries:

The person responsible for making this announcement is Tanya Chikanza, Executive Vice President: Corporate Strategy, Investor Relations and Corporate Communication.

Publication of this announcement

A copy of this announcement will be available on Lonmin's website at www.lonmin.com/investors/sibanye-stillwater-offer by no later than 12 noon (London time) on the business day following the date of this announcement.

Neither the contents of Lonmin's website nor the contents of any website accessible from hyperlinks on Lonmin's website are incorporated into or form part of this announcement.

Additional Information

The release, publication or distribution of this announcement in certain jurisdictions may be restricted by law. Persons who are not resident in the United Kingdom or who are subject to the laws of other jurisdictions should inform themselves of, and observe, any applicable requirements. Any failure to comply with applicable requirements may constitute a violation of the securities law of any such jurisdiction.

This announcement is for information purposes only. It is not intended to, and does not, constitute or form part of an offer, invitation or the solicitation of an offer, to purchase, otherwise acquire, subscribe for, sell or otherwise dispose of any securities, or the solicitation of any vote or approval in any jurisdiction, pursuant to the Offer or otherwise, nor will there be any sale, issuance or transfer of securities in any jurisdiction in contravention of applicable law. There can be no assurance that the Offer will proceed in a timely manner or at all. This announcement does not constitute a prospectus or prospectus equivalent document.

This announcement has been prepared for the purpose of complying with English law and the Takeover Code and the information disclosed may not be the same as that which would have been disclosed if this announcement had been prepared in accordance with the laws and regulations of jurisdictions outside the United Kingdom. The Offer is subject to the applicable requirements of the City Code on Takeovers and Mergers and the UK Takeover Panel, the London Stock Exchange, the Financial Conduct Authority, the UKLA and the Johannesburg Stock Exchange.

Forward-looking statements

This announcement may contain certain forward-looking statements within the meaning of the "safe harbour" provisions of the United States Private Securities Litigation Reform Act of 1995. All statements other than statements of historical facts in this announcement may be forward-looking statements. Forward-looking statements also often use words such as "anticipate", "believe", "intend", "estimate", "expect" and words of similar meaning.

By their nature, forward-looking statements involve risk and uncertainty because they relate to future events and circumstances and should be considered in light of various important factors, including those set forth in this disclaimer. Readers are cautioned not to place undue reliance on such statements. The important factors that could cause Sibanye-Stillwater's and Lonmin's actual results, performance or achievements to differ materially from those in the forward-looking statements include, among others, economic, business, political and social conditions in the United Kingdom, South Africa, Zimbabwe and elsewhere; changes in assumptions underlying Sibanye-Stillwater's and Lonmin's estimation of their current mineral reserves and resources; the ability to achieve potential synergies from the Offer; the ability to achieve anticipated efficiencies and other cost savings in connection with past and future acquisitions, as well as at existing operations; the success of Sibanye-Stillwater's and Lonmin's business strategies, exploration and development activities; the ability of Sibanye-Stillwater and Lonmin to comply with requirements that they operate in a sustainable manner; changes in the market price of gold, PGMs and/or uranium; the occurrence of hazards associated with underground and surface gold, PGMs and uranium mining; the occurrence of labour disruptions and industrial action; the availability, terms and deployment of capital or credit; changes in relevant government regulations, particularly environmental, tax, health and safety regulations and new legislation affecting water, mining, mineral rights and business ownership, including any interpretations thereof which may be subject to dispute; the outcome and consequence of any potential or pending litigation or regulatory proceedings or other environmental, health and safety issues; power disruptions, constraints and cost increases; supply chain shortages and increases in the price of production inputs; fluctuations in exchange rates, currency devaluations, inflation and other macro-economic monetary policies; the occurrence of temporary stoppages of mines for safety incidents and unplanned maintenance; their ability to hire and retain senior management or sufficient technically skilled employees, as well as their ability to achieve sufficient representation of historically disadvantaged South Africans' in management positions; failure of information technology and communications systems; the adequacy of insurance coverage; any social unrest, sickness or natural or man-made disaster at informal settlements in the vicinity of some of Sibanye-Stillwater's operations; and the impact of HIV, tuberculosis and other contagious diseases. These forward-looking statements speak only as of the date of this announcement. Sibanye-Stillwater and Lonmin expressly disclaim any obligation or undertaking to update or revise any forward-looking statement (except to the extent legally required).

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 found.

Lonmin seeks to create value for shareholders 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