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Lucara Appoints New Board Director

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

March 3, 2025

NEWS RELEASE

LUCARA APPOINTS NEW BOARD DIRECTOR

VANCOUVER, B.C., March 3, 2025 /CNW/ (LUC – TSX, LUC – BSE, LUC – Nasdaq FNGM)

Lucara Diamond Corp. (“Lucara” or the “Company”) is pleased to announce the appointment of Melissa Harmon to its

Board of Directors.

Ms. Harmon has more than two decades of experience in gold mining and is currently Senior Vice President, Divestitures

at Newmont Corporation. Ms. Harmon is a leader in safety and brings with her a wealth of technical expertise and

experience relating to both open pit and underground mining operations. Moreover, she has received numerous awards

for contributions to the mining industry in areas relating to safety and diversity, equity and inclusion, and is the recipient

of the 2022 Miner of the Year Award from the Society of Mining, Metallurgy & Exploration. Ms. Harmon is currently a

director at Lundin Gold Inc. She holds a Bachelor of Science in Mine Engineering from the University of Nevada, Reno ,

where she also serves on several executive boards , and a Masters of Business Administration from Auburn University.

She is a registered Professional Engineer in the United States.

Paul Conibear, Chair of Lucara’s Board of Directors, commented on the appointment: “We are delighted to welcome

Melissa to the Lucara Board . Her strong technical expertise , leadership in safety, and executive level operational

experience will be invaluable as Lucara continues to develop the Karowe underground project. We look forward to

having the benefits of her insight and appreciate her willingness to serve as a director.”

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 / Emily Moss, Tavistock

+44 77 885 54035 | [email protected]

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 acti vities. Lucara has an experienced board and management team with extensive

diamond development and operations expertise. Lucara and its subsidiaries operate transparently and in accordance

with international best practices in the areas of sustainability, health and safety, environment, and community relations.

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Lucara is certified by the Responsible Jewellery Council, complies with the Kimberley Process, and has adopted the IFC

Performance Standards and the World Bank Group’s Environmental, Health and Safety Guidelines for Mining (2007).

Accordingly, the development of the Karowe underground 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 i n this release is subject to the disclosure requirements of Lucara pursuant to the EU Market Abuse

Regulations. The Company's certified adviser on the Nasdaq First North Growth Market is Bergs Securities AB,

[email protected], +46 739 49 62 50. This information was submitted for publication, through the agency of the

contact person set out above, on March 3, 2025, at 6:00 a.m. Pacific Time.