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Lucara Announces Appointment of Vice President, Mineral Resources

Management Changes

Tel: +1 604 674 0272 Suite 2800, Four Bentall Centre lucaradiamond.com

[email protected] 1055 Dunsmuir Street, PO Box 49225

Vancouver, BC, V7X 1L2

July 2, 2024

NEWS RELEASE

LUCARA ANNOUNCES APPOINTMENT OF VICE PRESIDENT, MINERAL RESOURCES

VANCOUVER, July 2, 2024 /CNW/ (LUC – TSX, LUC – BSE, LUC – Nasdaq Stockholm)

Lucara Diamond Corp. (“Lucara” or the “Company”) is pleased to announce the appointment of Dr. Lauren Freeman

as Vice President, Mineral Resources, effective July 1, 2024.

Dr. Freeman is a specialist in large Type II diamonds and has over 25 years of experience in the mining industry,

with a strong background in mineral resource estimation, diamond value management, diamond pricing, geological

modelling, and strategic mine planning. She has held senior roles at several diamond mining and resource

consulting companies, where she led teams responsible for resource definition and underground expansion

projects. Dr. Freeman has a PhD in Economic Geology and a GDE in Mining Engineering, both from the University

of the Witwatersrand, South Africa, and is a registered Professional Natural Scientist with the South African Council

for Natural Scientific Professions.

William Lamb, President and CEO of Lucara, commented on the appointment: "We are delighted to welcome

Lauren to the Lucara team. Her extensive experience and technical expertise in mineral resource management will

be invaluable as we continue to optimize diamond recovery from our Karowe mine and develop our mine and ore

extraction plan for our underground project. Lauren's leadership will be crucial in maximising value from our

resource base, while supporting our long-term strategic objectives."

In her new role, Dr. Freeman will oversee all aspects of mineral resource management for Lucara's flagship Karowe

mine in Botswana and will contribute to the Company's overall development strategy.

On behalf of the Board,

William Lamb

President and Chief Executive Officer

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For further information, please contact:

Vancouver Hannah Reynish, Investor Relations & Communications

+1 604 674 0272| [email protected]

Sweden Robert Eriksson, Investor Relations & Public Relations

+46 701 112615 | [email protected]

UK Public Relations Charles Vivian / Jos Simson, Tavistock

+44 778 855 4035 | [email protected]

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ABOUT LUCARA

Lucara is a leading independent producer of large exceptional quality Type IIa diamonds from its 100% owned

Karowe Diamond Mine in Botswana. The Karowe Mine has been in production since 2012 and is the focus of the

Company’s operations and development activities. Clara Diamond Solutions Limited Partnership (“Clara”), a wholly -

owned subsidiary of Lucara, has developed a secure, digital sales platform which ensures diamond provenance from

mine to finger. Lucara has an experienced board and management team with extensive diamond development and

operations expertise. Lucara and its sub sidiaries operate transparently and in accordance with international best

practices in the areas of sustainability, health and safety, environment, and community relations. Lucara has

adopted the IFC Performance Standards and the World Bank Group’s Enviro nmental, Health and Safety Guidelines

for Mining (2007). Accordingly, the development of the Karowe underground expansion project (“UGP”) adheres to

the Equator Principles. Lucara is committed to upholding high standards while striving to deliver long-term economic

benefits to Botswana and the communities in which the Company operates.

The information is information that Lucara is obliged to make public pursuant to the EU Market Abuse Regulation

and the Swedish Securities Markets Act. This information was submitted for publication, through the agency of the

contact person set out above, on July 2, 2024 at 4am Pacific Time.