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LUC.TO ·

Lucara Announces 24 Month Extension to Hb Supply Agreement

Partnerships & JV

April 6, 2021

NEWS RELEASE

LUCARA ANNOUNCES 24 MONTH EXTENSION TO HB SUPPLY AGREEMENT

VANCOUVER, April 6, 2021 /CNW/ (LUC – TSX, LUC – BSE, LUC – Nasdaq Stockholm)

Lucara Diamond Corp. (“Lucara” or the “Company”) is pleased to announce that it has entered into a 24-month

extension of its definitive supply agreement with HB Antwerp (“HB”), in respect of all diamonds produced in excess

of 10.8 carats in size from its 100% owned Karowe Diamond Mine in Botswana. Large, high value diamonds in excess

of 10.8 carats in size account for approximately 70% of Lucara's annual revenues . Though the Karowe mine has

remained fully operational throughout the COVID-19 pandemic, Lucara made a deliberate decision not to tender any

of its +10.8 carat inventory after early March 2020 amidst the uncertainty caused by the global crisis.

Under the terms of this novel supply agreement with HB, extended to Decem ber 2022, the purchase price paid for

each +10.8 carat rough diamond is based on the estimated polished outcome, determined through state of the art

scanning and planning technology, with a true up paid on actual achieved polished sales thereafter, less a fee and

the cost of manufacturing.

ADVANTAGES:

• Regular cash flow for Lucara using polished pricing mechanism;

• Potential revenue upside, particularly suited for Lucara's large, exceptional diamonds;

• Increased tax revenue and additional beneficiation opportunities for the Government of Botswana; and

• A streamlined supply chain that achieves alignment between Lucara and HB to maximize the value of each

+10.8 carat diamond produced at Karowe.

Eira Thomas, CEO commented: “ The decision to sel l our +10.8 carat rough diamonds under a committed supply

agreement with HB beginning in July of 2020 has helped support prices for this critical segment of our production

amidst pricing uncertainty caused by the ongoing global pandemic. Not only have rough diamond prices experienced

a positive re -bound over the past two quarters , Lucara is also beginning to see the benefits of this strategy in

accessing a broader marketplace and delivering regular cash flow based on final polished sales. We believe these

early results warrant an extension of the arrangem ent for at least 24 months to determine if superior pricing and

market stability for our large, high value diamonds can be sustained longer term, creating better alignment between

all participants and the establishment of a healthier, more efficient global diamond supply chain."

Oded Mansori, CEO HB Antwerp: “ More than a supply agreement, this collaboration structurally embeds a new

transparent and sustainable way of working in the diamond value chain. For the first time, different partners of the

value chain are fully aligned, sharing data and information throughout the process from mine to consumer.”

On behalf of the Board,

Eira Thomas

President and Chief Executive Officer

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For further information, please contact:

Investor Relations & Communications

+1 604 674 0272| [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 i ts 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 exp erienced 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 HB ANTWERP

HB Antwerp turns the diamond supply chain upside down starting with the customer. Using technology, they bring

simplicity and transparency to a typically complex supply chain. Everything happens in a closed loop called Si gnum

in Antwerp, backed with the latest technologies and tracked with blockchain making it 100% transparent from

diamond mine to market.

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 EU Market Abuse Regulation.

The information was submitted for publication, through the agency of the contact persons set out above, on April 6,

2021 at 2:15pm Pacific Time.

CAUTIONARY NOTE REGARDING FORWARD LOOKING STATEMENTS

Certain of the statements made and contained herein and elsewhere constitute forward -looking statements as

defined in applicable securities laws. Generally, these forward -looking statements can be identified by the use of

forward-looking terminology such as "expects", "anticipates", "believes", "intends", "estimates", "potential",

"possible" and similar expressions, or statements that events, conditions or results "will", "may", "could" or "should"

occur or be achieved.

Forward-looking statements are based on the opinions and estimates of management as of the date such statements

are made, and they are subject to a number of known and unknown risks, uncertainties and other factors which may

cause the actual results, performance or achievements of the Company to be materially different from any future

results, performance or achievement expressed or implied by such forward -looking statements. The Company

believes that expectatio ns reflected in this forward -looking information are reasonable, but no assurance can be

given that these expectations will prove to be accurate and such forward-looking information included herein should

not be unduly relied upon.

In particular, this release may contain forward looking information pertaining to the following: the benefits of the

supply arrangement with HB, the ultimately achieved pricing/revenues and predictability of cash flows from the

supply arrangement with respect to Karowe diamonds, that the agreement will result in increased revenue and

beneficiation opportunities for the Government of Botswana, and other forward-looking information.

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There can be no assurance that such forward looking statements will prove to be accurate, as the Company's results

and future events could differ materially from those anticipated in this forward -looking information as a result of

those factors discussed in or referred to under the heading “COVID- 19 Global Pandemic” in the Company’s m ost

recent MD&A and under the heading "Risks and Uncertainties" in the Company's most recent Annual Information

Form, both available at http://www.sedar.com, as well as changes in general business and economic conditions, the

ability to continue as a going concern, changes in interest and foreign currency rates, the supply and demand for,

deliveries of and the level and volatility of prices of rough and polished diamonds, costs of power and diesel, acts of

foreign governments and the outcome of legal procee dings, inaccurate geological and recoverability assumptions

(including with respect to the size, grade and recoverability of mineral reserves and resources), and unanticipated

operational difficulties (including failure of plant, equipment or processes to operate in accordance with

specifications or expectations, cost escalations, unavailability of materials and equipment, government action or

delays in the receipt of government approvals, industrial disturbances or other job actions, adverse weather

conditions, and unanticipated events relating to health safety and environmental matters).

Accordingly, readers are cautioned not to place undue reliance on these forward- looking statements which speak

only as of the date the statements were made, and the Compan y does not assume any obligations to update or

revise them to reflect new events or circumstances, except as required by law.