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SML.V ·

Oena Diamond Sales – Q4 2021 Report

Corporate Updates

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Southstone Minerals Limited

2751 Graham Street

Victoria, British Columbia, V8T 3Z1

TSX Venture : SML

www.southstoneminerals.com

OENA DIAMOND SALES – Q4 2021 REPORT

VANCOUVER, BRITISH COLUMBIA — 8 October 2021 — Southstone Minerals Limited (“Southstone” or the

“Company”) (TSX.V – SML) is pleased to provide a production and operational update for the period 1 June 2021 to

31 August 2021 (Q3 2021) on Oena Diamond Mine located in the Republic of South Africa.

Oena Diamond Mine, Republic of South Africa

Production at the Oena Diamond Mine during Q4 2021 operated with one mining contractor on site with four pan

plants to process run of mine (“ROM”) material and one Bourevestnik (“BVX”) unit used for diamond recovery.

Mining and processing of ROM material only occurred during the period and diamond production results for Q4 2021:

Carats Produced Number of Diamonds US $ / carat average

Q4 2021 ROM 177.4 194 1,899

The Oena Diamond Mine continues to produce large and high-quality diamonds as summarized below.

Top 9 Diamonds by Value per Carat for Q4 2021

Diamond Diamond Size (carats) Sold Price US $ US $ / carat

1 22.02 170'000 7'720

2 10.65 56'780 5'331

3 10.20 51'908 5'091

4 9.26 40'503 4'373

5 7.21 5'247 728

6 5.77 8'899 1'543

7 5.65 8'888 1'573

8 5.15 20'600 3'997

9 3.60 6'844 1'903

The Company continues to evaluate and assess further opportunities in the Republic of South Africa and elsewhere.

The technical disclosure in this news release has been approved by Terry L. Tucker, P.Geo., Executive Chairman of the

Company and a Qualified Person as defined by National Instrument 43-101 of the Canadian Securities Administrators.

THE BOARD OF DIRECTORS OF SOUTHSTONE MINERALS LIMITED

[email protected]

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture

Exchange) accepts responsibility for the adequacy or accuracy of this release.

Forward-Looking Statement

Certain information set forth in this news release contains “forward- looking statements” and “forwa rd-looking information” under

applicable securities laws. Except for statements of historical fact, certain information contained herein constitutes forwar d-looking

statements, which include management’s assessment of future plans and operations and are based on current internal expectations,

estimates, projections, assumptions and beliefs, which may prove to be incorrect. Some of the forward -looking statements may be

identified by words such as “forecasts”, estimates”, “expects” “anticipates”, “believes”, “projects”, “plans”, “outlook”, “capacity” and

similar expressions. These statements are not guarantees of future performance and undue reliance should not be placed on them.

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Such forward-looking statements necessarily involve known and unknown risks and uncertainties, which may cause the Company’s

actual performance and financial results in future periods to differ materially from any projections of future performance or results

expressed or implied by such forward- looking statements. These risks and uncertainties include, but are not limited to statements

with respect to the estimation of mineral resources; the realization of mineral resource estimates; anticipated future produc tion,

capital and operating costs; cash flows and mine life; potential size of a mineralized zone; potential expansion of mineralization;

potential types of mining operations; permitting timelines; government regulation of exploration and mining operations; risks that

the presence of diamond deposits mentioned nearby the Company’s property are not indicative of the diamond mineralization on the

Company’s property, the supply and demand for, deliveries of and the level and volatility of prices of rough diamonds, risks that the

actual revenues will be less than projected; risks that the target production for the existing mining contracts will be less than

projected or expected; risks that production will not commence as projected due to delay or inability to receive governmental

approval of the Company’s acquisition or the timely comple tion of an NI43-101 report; technical problems; inability of management

to secure sales or third party purchase contracts; currency and interest rate fluctuations; COVID -19; foreign exchange fluctuations

and foreign operations; various events which could disrupt operations, including labor stoppages and severe weather conditions; and

management’s ability to anticipate and manage the foregoing factors and risks.

The forward-looking statements and information contained in this news release are based on certain assumptions regarding, among

other things, future prices for coal and diamonds; future currency and exchange rates; the Company’s ability to generate suff icient

cash flow from operations and access capital markets to meet its future obligations; coal co nsumption levels; and the Company’s

ability to retain qualified staff and equipment in a cost -efficient manner to meet its demand. There can be no assurance that

forward-looking statements will prove to be accurate, as actual results and future events coul d differ materially from those

anticipated in such statements. The reader is cautioned not to place undue reliance on forward- looking statements. The Company

does not undertake to update any of the forward- looking statements contained in this news release unless required by law. The

statements as to the Company’s capacity to achieve revenue are no assurance that it will achieve these levels of revenue.