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Platinum Group Metals Ltd. Executes Binding Legal Agreements for Sale of Maseve Mine

Corporate Updates

VAN_LAW\ 2425381\2

788 – 550 Burrard Street

Vancouver, BC V6C 2B5

P: 604-899-5450

F: 604-484-4710

News Release No. 17-355

November 23, 2017

Platinum Group Metals Ltd. Executes Binding Legal

Agreements for Sale of Maseve Mine

VANCOUVER, BRITISH COLUMBIA and JOHANNESBURG, SOUTH AFRICA – Platinum

Group Metals Ltd. (TSX:PTM) (NYSE American:PLG) (“Platin um Group” “PTM” or the

“Company”) announces the completion of due diligence and the execution of binding legal

agreements to sell Maseve Investments 11 Proprietary Limited (“Maseve”) to Royal

Bafokeng Platinum Limited (“RBPlat”) in a transaction valued at approximately US$74.0

million, payable as to US$62.0 million in cash and US$12.0 million in RBPlat common

shares. The Company first reported the details of this transaction in a news release

dated September 6, 2017. The proceeds of the Maseve sale will be used to pay down a

substantial portion of the Company’s debt.

RBPlat is to pay Maseve an initial US$58.0 million in cash to acquire the concentrator

plant and certain surface assets of the Maseve Min e. A deposit in escrow was paid by

RBPlat in the amount of ZAR 41,367,300 (US$3.0 Million equivalent) on October 9, 2017.

Closing of this first step is subject to certain conditi ons, including RBPlat shareholder

approval at a meeting scheduled for November 30, 2017 and the approval of the South

African Competition Commission. Closing of the second step, to acquire 100% of the

issued equity in Maseve by way of a scheme of arrangement for US$4 million in cash and

approximately US$12 million in RBPlat ordinary shares, is conditional upon the first step

described above being completed, and is subject to certain requirements, including the

approval of the South African Departme nt of Mineral Resources and the approval, or

confirmed obligation, of Maseve’s 17.1% minority shareholder.

Looking forward the Company plans to focus on its large -scale Waterberg project, a

palladium dominant development asset where the Company has established mineral

reserves and resources. The Company recently sold an 8.6% interest in Waterberg to

Impala Platinum Holdings Ltd. for US$17.2 million as part of a transaction where Impala

bought an aggregate 15% interest in Waterberg for US$30.0 million.

About Platinum Group Metals Ltd.

Platinum Group holds significant mineral rights and large-scale reserves of platinum and

palladium in the Bushveld Igneous Complex of South Africa, which is host to over 70%

of the world's primary platinum productio n. Platinum Group is partnered at Waterberg

with the Japan Oil, Gas and Metals National Corporation, Impala Platinum Holdings Ltd.

and Mnombo Wethu Consultants (Pty) Ltd., an empowerment partner.

“R. Michael Jones”

On behalf of the Board of

VAN_LAW\ 2425381\2

PLATINUM GROUP METALS LTD. …2

Platinum Group Metals Ltd.

For further information contact:

R. Michael Jones, President

or Kris Begic, VP, Corporate Development

Platinum Group Metals Ltd., Vancouver

Tel: (604) 899-5450 / Toll Free: (866) 899-5450

www.platinumgroupmetals.net

Disclosure

The Toronto Stock Exchange and the NYSE American LLC have not reviewed and do not

accept responsibility for the accuracy or adequacy of this news release, which has been

prepared by management.

This press release contains forward-looking information within the meaning of Canadian

securities laws and forward-looking statements within the meaning of U.S. securities laws

(collectively “forward -looking statements”). Forward -looking statements are typ ically

identified by words such as: believe, expect, anticipate, intend, estimate, plans, postulate

and similar expressions, or are those, which, by their nature, refer to future events. All

statements that are not statements of historical fact are forward -looking statements.

Forward-looking statements in this press release include, without limitation, statements

regarding the receipt and timing of required government approvals, satisfaction of other

conditions precedent and consummat ion of the Maseve Sale Transaction as described

herein; the Company’s intended use of proceeds derived from the Maseve Sale

Transaction; and the Company’s plans following the Maseve Sale Transaction .

Statements of mineral resources and mineral reserves also constitute forward -looking

statements to the extent they represent estimates of mineralization that will be

encountered on a property and/or estimates regarding future costs, revenues and other

matters. Although the Company believes the forward -looking statements in this pres s

release are reasonable, it can give no assurance that the expectations and assumptions

in such statements will prove to be correct. The Company cautions investors that any

forward-looking statements by the Company are not guarantees of future results or

performance and that actual results may differ materially from those in forward-looking

statements as a result of various factors, including risks related to indebtedness; risks

related to the nature of the Maseve Sale Transaction and the uncertainty as to whether

the Company can successfully obtain required government approvals, satisfy other

closing conditions and consummate the Maseve Sale Transaction; potential delays in the

foregoing; the Company’s capital requirements may exceed its current expectations; the

uncertainty of cost, operational and economic projections; the ability of the Company to

negotiate and complete future funding transactions and either settle or restructure its

debt as required; variations in market conditions; the nature, quality and quantity of any

mineral deposits that may be located; metal prices; other prices and costs; currency

exchange rates; the Company’s ability to obtain any necessary permits, consents or

authorizations required for its activities and to effect t he Maseve Sale Transaction; the

Company’s ability to produce minerals from its properties successfully or profitably, to

continue its projected growth, or to be fully able to implement its business strategies;

risks related to contractor performance and la bor disruptions; and other risk factors

described in the Company’s Form 40-F annual report, annual information form and other

filings with the Securities and Exchange Commission and Canadian securities regulators,

which may be viewed at www.sec.gov and www .sedar.com, respectively. Proposed

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PLATINUM GROUP METALS LTD. …3

changes in the mineral law in South Africa if implemented as proposed would have a

material adverse effect on the Company business and potential interest in projects.

Cautionary Note to U.S. and other Investors

Estimates of mineralization and other technical information included or referenced in this

press release have been prepared in accordance with NI 43-101. The definitions of proven

and probable reserves used in NI 43-101 differ from the definitions in SEC Industry Guide

7. Under SEC Industry Guide 7 standards, a "final" or "bankable" feasibility study is

required to report reserves, the three-year historical average price is used in any reserve

or cash-flow analysis to designate reserves and the primary environmental analysis or

the report must be filed with the appropriate governmental authority. As a result, the

reserves reported by the Company in accordance with NI 43 -101 may not qualify as

"reserves" under SEC standards. In addition, the terms "mineral resource", "measured

mineral resource", "indicated mineral resource" and "inferred mineral resource" are

defined in and required to be disclosed by NI 43 -101; however, these terms are not

defined terms under SEC Industry Guide 7 and normally are not permitted to be used in

reports and registration statements filed with the SEC. Mineral resources that are not

mineral reserves do not have demonstrated economic viability. Investors are cautioned

not to assume that any part or all of the mineral deposits in these categories will ever be

converted into reserves; "inferred mineral resources" have a great amount of uncertainty

as to their existence, and great uncertainty as to their economic and legal feasibility. It

cannot be assumed that all or any part of an inferred miner al resource will ever be

upgraded to a higher category. Under Canadian securities laws, estimates of inferred

mineral resources may not form the basis of feasibility or pre -feasibility studies, except

in rare cases. Additionally, disclosure of "contained o unces" in a resource is permitted

disclosure under Canadian securities laws; however, the SEC normally only permits

issuers to report mineralization that does not constitute "reserves" by SEC standards as

in place tonnage and grade without reference to uni t measurements. Accordingly,

information contained or referenced in this press release containing descriptions of the

Company's mineral deposits may not be comparable to similar information made public

by U.S. companies subject to the reporting and disclosure requirements of United States

federal securities laws and the rules and regulations thereunder.