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Lucara Announces Recovery of Stunning 36.92 Carat Blue Diamond from the Karowe MINE IN Botswana

Production Results

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 16, 2026

NEWS RELEASE

LUCARA ANNOUNCES RECOVERY OF STUNNING 36.92 CARAT BLUE DIAMOND FROM THE KAROWE

MINE IN BOTSWANA

VANCOUVER, B.C., March 16, 2026 /CNW/ (LUC – TSX, LUC – BSE, LUC – Nasdaq FNGM)

Lucara Diamond Corp. (“Lucara” or the “Company”) is pleased to announce the recovery of a 36.92 carat blue diamond

from its 100% owned Karowe Diamond Mine (“Karowe” or the “Karowe Mine”) located in Botswana (image attached).

The diamond is described as a blue Type IIB of high quality and was recovered through the X-ray Transmission machines

at Karowe from ore sourced from stockpile material. In addition to this incredible blue diamond, f ive stones over 100

carats have been recovered year-to-date from the processing of stockpile material.

William Lamb, President and CEO of Lucara comments: “ Lucara is delighted to announce the recovery of this stunning

blue, high-quality diamond from the Karowe Mine , which again reinforces the special nature of this asset . Recoveries

such as this demonstrate the value contained within the Company’s surface stockpiles, which remain an important

source of mill feed and a contributor to ongoing diamond recoveries.”

This press release has been reviewed and approved by Dr. Lauren Freeman, Ph.D. Pr.Sci. Nat., Vice-President, Mineral

Resources of the Company and a "Qualified Person" for the purposes of National Instrument 43 -101.

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]

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. Karowe is transitioning from open pit to underground mining with the

development of the Karowe Underground Project (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 offsetting 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 Guideli nes 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,

[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 16, 2026, at 2:00pm Pacific Time.

CAUTIONARY NOTE REGARDING FORWARD LOOKING STATEMENTS

Certain statements made in this news release contain “forward-looking information” and “forward-looking statements”

as defined in applicable securities laws. Generally, any statements that express or involve discussions with respect to

predictions, expectations, beliefs, plans, projections, objectives, assumptions or future events or performance and often

(but not always) using forward-looking terminology such as “expects”, “is expected”, “anticipates”, “believes”, “plans”,

“projects”, “estimates”, “budgets ”, “scheduled”, “forecasts”, “assumes”, “intends”, “strategy”, “goals”, “objectives”,

“potential”, “possible” or variations thereof or stating that certain actions, events, conditions or results “may”, “could”,

“would”, “should”, “might” or “will” be taken , occur or be achieved, or the negative of any of these terms and similar

expressions, are not statements of historical fact and may be forward-looking statements.

Forward-looking information and forward -looking statements may include, but are not limited to, information or

statements with respect to the timing of UGP development and production programs, the future recovery of high -

quality diamonds from the Karowe Mine, and the future recovery of diamonds from the Company’s surface stockpiles .

While these factors and assumptions are considered reasonable by the Company as at the date of this news release in

light of management’s experience and perception of current conditions and expected developments, these statements

are inherently subject t o significant business, economic and competitive uncertainti es and contingencies. Known and

unknown factors could cause actual results to differ materially from those projected in the forward-looking information

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and undue reliance should not be placed on such information. Such factors include, but are not limited to: the timing,

scope and cost of additional grouting events at the UGP, the Company’s ability to comply with the terms of the Facilities

(as defined in the Company’s most recent MD&A) which are required to construct the UGP, the impact of the Covenant

(as defined in the Company’s most recent MD&A) breaches, and any associated consequences, on the Company’s

business, whether the Company’s lenders will demand payment of the Facilities because of the Covenant breaches, that

expected cash flow from operations, combined with external financing will be sufficient to complete construction of the

UGP, that the estimated timelines to achieve mine ramp up and full p roduction from the UGP can be achieved, that

sufficient stockpiled ore of sufficient grade and value will be available to generate revenue prior to the achievement of

commercial production from the UGP, the economic potential of a mineralized area, the siz e and tonnage of a

mineralized area, anticipated sample grades or bulk sample diamond content, expectations that the UGP and the pit

steepening project will extend mine life, forecasts of additional revenues, future production activity, that depletion and

amortization expense on assets will be affected by both the volume of carats recovered in any given period and the

reserves that are expected to be recovered, the future price and demand for, and supply of, diamonds, expectations

regarding the scheduling of activities for the UGP.

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

such statements are made, and they are subject to several known and unknown risks, uncertainties and other factors

which may cause the actual re sults, 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 due to a variety

of risks, uncertainties, and other factors, including, without limitation, those referred to in this news release. The

foregoing is not exhaustive of the factors that may affect any of our forward-looking statements. The Company believes

that expectations reflected in this forward-looking information are reasonable, but no assurance can be given that these

expectations will prove to be correct. Certain risks which could impact the Company are discussed under the heading

“Risks and Uncertainties” in the Company’s MD&A and in the Company’s most recent AIF availa ble at SEDAR+ at

www.sedarplus.ca.

Although the Company has attempted to identify important factors that could cause actual actions, events or results to

differ materially from those described in forward -looking statements, there may be other factors that cause actions,

events or results no t to be as anticipated, estimated or intended. Accordingly, readers and investors should not place

undue reliance on forward -looking statements. Forward -looking information and statements contained in this news

release are made as of the date of this news release and accordingly are subject to change after such date. Except as

required by law, the Company disclaims any obligation to revise any forward -looking information and statements to

reflect events or circumstances after the date of such information and statements. All forward-looking information and

statements contained or incorporated by reference in this news release are qualified by the foregoing cautionary

statements.