(LUC - TSX, LUC - BSE, LUC - Nasdaq Stockholm) Lucara Diamond Corp. ("Lucara" or the "Company") reports the following in accordance with the Swedish Financial Instruments Trading Act: Please view PDF Version

As a result of the vesting of employee share units, the number of issued and outstanding shares of the Company has increased to 396,896,733 common shares with voting rights as at March 31, 2020.

The total number of voting rights in the Company is therefore 396,896,733. This figure may be used by shareholders as the denominator for the calculation by which they will determine if they are required to notify their interest in, or a change in their interest in, the Company under the Swedish Financial Instruments Trading Act on disclosure of major shareholdings (Transparency Rules).

Eira ThomasPresident 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 Mine in Botswana. The Company has an experienced board and management team with extensive diamond development and operations expertise. The Company operates transparently and in accordance with international best practices in the areas of sustainability, health and safety, environment and community relations.

ABOUT CLARA

Clara Diamond Solutions (Clara), wholly owned by Lucara Diamond Corp, is a secure, digital sales platform that uses proprietary analytics together with cloud and blockchain technologies to modernize the existing diamond supply chain, driving efficiencies, unlocking value and ensuring diamond provenance from mine to finger.

The information in this release is accurate at the time of distribution but may be superseded or qualified by subsequent news releases.

This information is information that Lucara is obliged to make public pursuant to the Swedish Financial Instruments Trading Act. The information was submitted for publication, through the agency of the contact persons set out below, at 2:00 PM Pacific Time on 31 March 2020.

SOURCE Lucara Diamond Corp.

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SOURCE: Lucara Diamond Corp.

North America: Christine Warner, Investor Relations & Communications, +1 604
689-7842, info@lucaradiamond.com; Sweden: Robert Eriksson, Investor Relations &
Public Relations, +46 701 112615, reriksson@rive6.ch; UK Public Relations: Emily Moss
/ Jos Simson, Tavistock, +447788554035, lucara@tavistock.co.uk