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Platinum Group Metals Ltd. Files Waterberg Independent Definitive Feasibility Study Update Technical Report

Technical Reports (NI 43-101) Economic Studies

838 – 1100 Melville Street

Vancouver, BC V6E 4A6

P: 604-899-5450

F: 604-484-4710

News Release No. 24-479

October 9, 2024

Platinum Group Metals Ltd. Files Waterberg Independent

Definitive Feasibility Study Update Technical Report

(Vancouver/Johannesburg) Platinum Group Metals Ltd. (PTM-TSX; PLG-NYSE American)

(“Platinum Group ” or the “ Company”) reports that further to its news release dated

September 16, 2024, announcing an Independent Definitive Feasibility Study (“2024 DFS”)

on the Waterberg Project located in the Bushveld Igneous Complex, South Africa, it has today

filed the associated technical report (the “ DFS Technical Report ”) in compliance with

National Instrument 43-101 Standards of Disclosure for Mineral Projects (“NI 43-101”).

The DFS Technical Report, entitled “Waterberg Definitive Feasibility Study Update, Bushveld

Igneous Complex, Republic of South Africa”, is dated October 9, 2024, with an effective date

of August 31, 2024, and was prepared by Michael Murphy, P. Eng. of Stantec Consulting

International Ltd. (“Stantec”), Charles Muller, B. Sc. (Hons) Geology, Pri. Sci. Nat. of Protek

Consulting (Pty) Ltd., and Gordon Cunningham, B. Eng. (Chemical), Pr. Eng., FSAIMM of

Turnberry Projects (Pty) Ltd., each being a Qualified Person within the meaning of NI 43-101

and Subpart 1300 and Item 601 of the U.S. Securities and Exchange Commission’s

Regulation S-K (“S-K 1300”). The team of specialists included international engineering

firm Stantec and South African engineering firm DRA Projects SA (Pty) Ltd. Engineering

oversight and project management was provided by South African engineering firm Fraser

McGill (Pty) Ltd. The DFS Technical Report also supports the disclosure of an updated

independent mineral resource estimate effective August 31, 2024.

A copy of the DFS Technical Report can be found at www.sedarplus.ca and on the Company’s

website.

On behalf of the Board of

Platinum Group Metals Ltd.

Frank R. Hallam

President, CEO and Director

For further information contact:

Kris Begic, VP, Corporate Development

Platinum Group Metals Ltd., Vancouver

Tel: (604) 899-5450

www.platinumgroupmetals.net

Disclosure

The TSX and the NYSE American have not reviewed and do not accept responsibility for the

accuracy or adequacy of this news release, which has been prepared by management.

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

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

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

identified by words such as: “believe”, “expect”, “anticipate”, “intend”, “estimate”, “may”,

“plans”, “would”, “will”, “could”, “can”, “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 news

release include, but are not limited to, statements regardi ng the success of the Company’s

objective to advance the Waterberg Project to a development and construction decision, the

findings of the 2024 DFS, the plan for and development of the Waterberg Project and the

potential benefits and results thereof including that it is projected to become one of the

largest and lowest cost underground PGM mines globally, financing and mine development

of the Waterberg Project, potential commercial alternatives for mine development, obtaining

concentrate offtake or processing, the size and cost of the Waterberg Project, the economic

feasibility of establishing a new PGM smelter and BMR in Saudi Arabia , work with local

communities, the ability of the Company to obtain all required permitting, surface access,

and infrastructure servitudes, the effect of battery electric vehicles on the market for PGMs,

the use of PGMs in solutions to climate change, and the Company’s other future plans and

expectations. Although the Company believes any forward-looking statements in this news

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, inc luding the

Company’s inability to generate sufficient cash flow or raise additional capital, and to comply

with the terms of any new indebtedness; additional financing requirements; and any new

indebtedness may be secured, which potentially could result in the loss of any assets pledged

by the Company; the Company’s history of losses and negative cash flow; the Company’s

properties may not be brought into a state of commercial production; uncertainty of

estimated production, development plans and cost estim ates for the Waterberg Project as

reported in the 2024 DFS; discrepancies between actual and estimated mineral reserves and

mineral resources, between actual and estimated development and operating costs, between

actual and estimated metallurgical recoveries and between estimated and actual production;

fluctuations in the relative values of the U.S. Dollar, the South African Rand and the Canadian

Dollar; volatility in metals prices; the uncertainty of alternative funding sources for

Waterberg JV Co.; the Company may become subject to the U.S. Investment Company Act;

the failure of the Company or the other shareholders to fund their pro rata share of funding

obligations for the Waterberg Project; any disputes or disagreements with the other

shareholders of Waterberg JV Co. or Mnombo; the ability of the Company to retain its key

management employees and skilled and experienced personnel; conflicts of interest;

litigation or other administrative proceedings brought against the Company; actual or alleged

breaches of governance processes or instances of fraud, bribery or corruption; exploration,

development and mining risks and the inherently dangerous nature of the mining industry,

and the risk of inadequate insurance or inability to obtain insurance to cover these risks and

other risks and uncertainties; property and mineral title risks including defective title to

mineral claims or property; changes in national and local government legislation, taxation,

controls, regulations and political or economic development s in Canada and South Africa;

equipment shortages and the ability of the Company to acquire necessary access rights and

infrastructure for its mineral properties; environmental regulations and the ability to obtain

and maintain necessary permits, including environmental authorizations and water use

licences; extreme competition in the mineral exploration industry; delays in obtaining, or a

failure to obtain, permits necessary for current or future operations or failures to comply with

the terms of such permits; risks of doing business in South Africa, including but not limited

to, labour, economic and political instability and potential changes to and failures to comply

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with legislation; pandemics and other public health crises; the Company’s common shares

may be delisted from the NYSE American or the TSX if it cannot maintain compliance with

the applicable listing requirements; and other risk factors described in the Company’s most

recent AIF and Form 40 -F, other filings with the SEC and Canadian securities regulators,

which may be viewed at www.sec.gov and www.sedarplus.ca, respectively. Proposed

changes in the mineral law in South Africa, if implemented as proposed, may have a material

adverse effect on the Company’s business and potential interest in projects. Any forward -

looking statement speaks only as of the date on which it is made and, except as may be

required by applicable securities laws, the Company disclaims a ny intent or obligation to

update any forward-looking statement, whether because of new information, future events

or results or otherwise.

The 2024 DFS has been prepared in accordance with NI 43-101 and S-K 1300. The technical

and scientific information contained in this news release has been prepared in accordance

with NI 43 -101, which differs from the standards adopted by the SEC. Accordingly, the

technical and scientific information contained in this news release , including any estimates

of mineral reserves and mineral resources, may not be comparable to similar information

disclosed by U.S. companies subject to the disclosure requirements of the SEC.