Lucara Diamond Corp.: LUCARA ANNUAL GENERAL AND SPECIAL MEETING TO BE HELD ON JUNE 18, 2026

VANCOUVER, BC, May 15, 2026 /PRNewswire/ -- (TSX: LUC), (BSE: LUC), (Nasdaq FNGM: LUC) PDF Version

Lucara Diamond Corp. ("Lucara" or the "Company") announces that its Annual General and Special Meeting of Shareholders (the "Meeting") will be held at the office of the Company, at 1055 Dunsmuir Street, Suite 2800, Vancouver, BC V7X 1L2, Canada on Thursday, June 18, 2026 at 10:00 a.m. (Pacific Time), for the following purposes:

1.	To receive the audited consolidated financial statements for the year ended December 31, 2025, together with the report of the auditors;
2.	To elect directors for the upcoming year;
3.	To appoint the auditors for the upcoming year and to authorize the directors to fix their renumeration;
4.	To pass an ordinary resolution to approve a new Omnibus Incentive Plan for the Company, to replace the Company's share unit plan, deferred unit plan and stock option plan; and
5.	To adopt an advisory resolution on executive compensation.

The record date for the Meeting is April 30, 2026. The Notice of Meeting, Management Proxy Circular, and related Meeting materials are available under the Company's profile on SEDAR+ at www.sedarplus.ca or from the Company's website at www.lucaradiamond.com.

The Company encourages you to vote your shares by proxy in advance of the Meeting, via mail, telephone, or on the internet. The proxy deposit date is Tuesday, June 16, 2026, 10:00 a.m. (Pacific Time), and any proxy form received after that time will not be valid.

HOW TO VOTE IF YOUR SHARES TRADE ON THE NASDAQ FIRST NORTH GROWTH EXCHANGE

The information in this section is of significance to shareholders who hold their securities ("Euroclear Registered Securities") through Euroclear Sweden AB, which trade on the Nasdaq First North Growth Market Exchange. Shareholders who hold Euroclear Registered Securities are not registered holders of voting securities for the purposes of voting at the Meeting. Instead, Euroclear Registered Securities are registered under CDS & Co., the registration name of the Canadian Depository for Securities. Holders of Euroclear Registered Securities will receive a Form of Proxy (the "Swedish Proxy") by mail directly from Computershare AB ("Computershare Sweden"). The Swedish Proxy cannot be used to vote securities directly at the Meeting. Instead, the Swedish Proxy must be completed and returned to Computershare Sweden, strictly in accordance with the instructions and deadlines that will be described in the instructions provided with the Swedish Proxy.

On behalf of the Board,

William Lamb
President and Chief Executive Officer

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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. Karowe is the only diamond mine in the world to have recovered nine diamonds in excess of 1,000 carats in weight. The Karowe Mine has been in production since 2012 and is the focus of the Company's operations and development activities. Karowe is transitioning from open pit to underground mining with the development of the UGP. The UGP is designed to access the highest value portion of the Karowe orebody. Underground development ore from the UGP is scheduled to begin replacing unprocessed run-of-mine stockpiles in 2027, with full-scale underground production planned for the first half of 2028.

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. 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. The development of the 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 in this release is subject to the disclosure requirements of Lucara pursuant to the EU Market Abuse Regulation. The Company's certified adviser on the Nasdaq First North Growth Market is Bergs Securities AB, [e-mail], [phone]. This information was submitted for publication, through the agency of the contact person set out above, on May 15, 2026, at 2:00 p.m. Pacific Time.

For further information, please contact: Vancouver: Hannah Reynish, Investor Relations & Communications, [phone], [e-mail]; Sweden: Robert Eriksson, Investor Relations & Public Relations, [phone], [e-mail]

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