JOINT ANNOUNCEMENT by

Harmony Gold Mining Co. Ltd. and MINTEK

HARMONY AND MINTEK JOIN FORCES TO CREATE

MUSUKU BENEFICIATION SYSTEMS

Johannesburg - 11 December 2002 - Harmony Gold Mining Company Limited
("Harmony") (NYSE: HMY), the fifth largest gold producer in the world, and
Mintek, the leader in minerals and metals technology in South Africa, today
announced that the parties had signed a Memorandum of Understanding to create
Musuku Beneficiation Systems, an integrated manufacturing and technology group
focussing on the beneficiation of precious metals.

Musuku, meaning gold in Venda, will introduce, through a combination of
specialised refining technologies and standardised business management
practices, a major paradigm shift in the way precious metals are processed by
primary precious metals producers. It will provide the management, operational
and technical services necessary to profitably integrate value-adding processes
into the gold mining industry.

This approach will not only be applied to South Africa, but also to other
countries where precious metals play a significant role in their economies, and
where the use of their developed technologies can be deployed.

This is expected to unlock significant value in the value chain of the precious
metals industry and help South Africa gain a dominant position in the
downstream value-adding industries such as jewellery manufacture and industrial
applications for precious metals.

In support of the recently announced Mining Charter, this new venture for the
first time represents a significant opportunity for the participation of a
Black Economic Empowerment company in the beneficiation of precious metals in
South Africa. "Through the Musuku initiative, it is anticipated that the
operational expertise of the two companies, in the area of beneficiation of
precious metals, will be leveraged to create a globally competitive value
adding business," said Paul Jordan, President and Chief Executive Officer of
Mintek.

Harmony, the only producer to refine and market its own gold, recently upgraded
its refinery in the Virginia to produce in excess of 100 tons of refined gold
per annum. A large range of value-added products are currently produced for the
local and export markets. "The creation of this business venture is the next
logical step in extending the competitive advantage we have established over
the past few years, to a larger market," commented Ferdi Dippenaar, Harmony's
Marketing Director. "Our company has embarked on and supported a range of
beneficiation projects which have resulted in benefits to all our stakeholders,
i.e. our shareholders, the local communities in which we operate, and the local
jewellery manufacturing companies. In addition these activities are creating
employment opportunities in the Free State goldfields, an area which has a high
level of poverty, and has an economy that needs to be regenerated following the
downscaling of the mining activities in the region," he concluded.

Ends

Issued by Harmony Gold Mining Company Limited

For release on Wednesday 11 December 2002

For more details contact:

Ferdi Dippenaar

on +27(0)82 807 3684

or

Dr Nic Barcza

on +27(0)11 709 4680

Web site:

www.harmony.co.za

ISIN No.: ZAE000015228

JSE: HAR

NYSE: HMY

Disclaimer

This document includes certain information that is based on management's
reasonable expectations and assumptions. These "forward-looking statements"
include, but are not limited to, statements regarding estimates, intentions and
beliefs, as well as anticipated future production, mine life, market conditions
and costs. While management has prepared this information using the best of
their experience and judgment, and in all good faith, there are risks and
uncertainties involved which could cause results to differ from projections.

Cautionary Note to US Investors - The United States Securities and Exchange
Commission (the "SEC") permits mining companies, in their filings with the SEC,
to disclose only those mineral deposits that a company can economically and
legally extract or produce. We may use certain terms in this document, such as
"resources", that the SEC guidelines strictly prohibit us from including in our
filings with the SEC. U.S. Investors are urged to consider closely the
disclosure in our public filings with the SEC available from us at Harmony Gold
Mining Company Limited, Suite Nr. 1, Private Bag X 1, Melrose Arch, 2076 South
Africa, for the attention of: Mr. Ferdi Dippenaar, Commercial Director. You can
also obtain these filings from the SEC by calling 1-800-SEC-0330.

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