Corporation No.: C0701784

Registered Address: Suite 2600, Three Bentall Centre, P.O. Box 49314, 595 Burrard Street, Vancouver, BC V7X 1L3 Canada

Corporation No.: C0701784

NEWS RELEASE

LUCARA SECOND QUARTER 2020 RESULTS TO BE RELEASED MONDAY,

AUGUST 10, 2020

July 27, 2020 Vancouver, British Columbia (LUC – TSX, LUC – BSE, LUC – Nasdaq Stockholm)

Lucara Diamond Corp. (“Lucara” or the “Company”) announces that it will be publishing its

2020 Second Quarter Results on Monday, August 10, 2020, after market close in North America.

The Company will host a conference call and webcast to discuss the results on Tuesday, August

11, 2020 at 7:00 a.m. Pacific, 10:00 a.m. Eastern, 3:00 p.m. UK, 4:00 p.m. CET.

CONFERENCE CALL:

Please call in 10 minutes before the conference call starts and stay on the line (an operator will

be available to assist you).

Conference ID:

80135892 / Lucara Diamond

Dial-In Numbers:

Toll-Free Participant Dial-In North America (+1) 888 390 0546

All International Participant Dial-In (+1) 778 383 7413

Webcast:

To view the live webcast presentation, please log on using this direct link:

https://produceredition.webcasts.com/starthere.jsp?ei=1346455&tp_key=ac4554d235

The presentation slideshow will also be available in PDF format for download from the Lucara

website www.lucaradiamond.com shortly before the conference call.

Conference Replay :

A replay of the telephone conference will be available two hours after the completion of the

call until August 19, 2020.

Replay number (Toll Free North America) (+1) 888 390 0541

Replay number (International) (+1) 416 764 8677

The pass code for the replay is: 135892#

On behalf of the Board,

Eira Thomas

President and Chief Executive Officer

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Registered Address: Suite 2600, Three Bentall Centre, P.O. Box 49314, 595 Burrard Street, Vancouver, BC V7X 1L3 Canada

Corporation No.: C0701784

For further information, please contact:

North America Investor Relations & Communications

+1 604 678 5834 | [email protected]

Sweden Robert Eriksson, Investor Relations & Public Relations

+46 701 112615 | [email protected]

UK Public Relations Emily Moss / Jos Simson, Tavistock

+44 778 855 4035 | [email protected]

ABOUT LUCARA

Lucara is a leading independent producer of large exceptional quality Type IIa diamonds from

its 100% owned Karowe Mine in Botswana and owns a 100% interest in Clara Diamond Solutions,

a secure, digital sales platform positioned to modernize the existing diamond supply chain and

ensure diamond provenance from mine to finger. 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 practice s in the

areas of sustainability, health and safety, environment and community relations.

The information in this release is accurate at the time of distribution but may be superseded or

qualified by subsequent news releases.

The information was submitted for publication, through the agency of the contact person set

out above, at 2:00 p.m. Pacific Time on July 27, 2020.