“Company”) (TSXV – “WMK”) provides a corporate update. Whitemud is pleased to provide the following corporate update. Whitemud advises that it has entered into a mulƟ-year supply agreement for its EnviroPozz™ Metakaolin with an end user in Western Canada. Management anƟcipates that iniƟal volumes

NEWS RELEASE

Calgary, Alberta (September 16, 2025) – Whitemud Resources Inc. (“Whitemud” or the

“Company”) (TSXV – “WMK”) provides a corporate update.

Whitemud is pleased to provide the following corporate update.

Whitemud advises that it has entered into a mulƟ-year supply agreement for its EnviroPozz™

Metakaolin with an end user in Western Canada. Management anƟcipates that iniƟal volumes

could be up to 3,000 tonnes per year, with an opportunity to grow to 10,000 tonnes per year

based on conƟnued favourable economic condiƟons.

The EnviroPozz™ Metakaolin will be sourced from its recently upgraded Gollier Creek facility at

Wood Mountain in southern Saskatchewan.

This supply agreement, in addiƟon to its exisƟng customer base and addiƟonal prospecƟve

customers who have been tesƟng Whitemud’s EnviroPozz™ Metakaolin for use in the concrete

industry, posiƟons Whitemud to achieve a beƩer financial fooƟng as a company.

About Whitemud Resources Inc.

Whitemud is a Canadian-based corporaƟon holding mineral rights to exploit a large kaolin deposit

in southern Saskatchewan, together with a processing facility located on the property.

Whitemud’s product, EnviroPozz™ metakaolin, is a highly reac Ɵve supplementary cemen Ɵng

material that enhances the performance of cement for energy development and construc Ɵon

applicaƟons. The Company uses a process that minimizes environmental impact.

For further informaƟon, please contact:

Whitemud Resources Inc.

General Inquiries

Suite 900, 332 - 6th Avenue SW

Calgary, Alberta T2P 0B2

Attention: Stan Owerko: 403-200-5253

Reader Advisory

This news release contains forward-looking statements, within the meaning of applicable

securiƟes legisla Ɵon, concerning Whitemud’s business and affairs. In certain cases, forward-

looking statements can be iden Ɵfied by the use of words such as ‘‘a Ʃempts’’, ‘‘intends’’,

“conƟnues”, “plans” or variaƟons of such words and phrases or state that certain acƟons, events,

or results ‘‘may’’, ‘‘could’’, ‘‘would’’, ‘‘might’’ or ‘‘will be taken’’, ‘‘occur’’ or ‘‘be achieved’’. These

statements involve known and unknown risks, uncertain Ɵes, and other factors that may cause

actual results or events to differ materially from those an Ɵcipated in such forward -looking

statements. In parƟcular, the actual volume of sales that may be achieved under the mul Ɵ year

supply agreement referred to above is uncertain, as there is no obliga Ɵon to purchase any

specified amount under the agreement. The ability of Whitemud to deliver product is subject to

operaƟonal risks such as equipment failure that could delay or prevent fulfillment of an Ɵcipated

sales volumes. Although Whitemud believes these statements to be reasonable, no assurance

can be given that these expectaƟons will prove to be correct and such forward-looking statements

included in this news release should not be unduly relied upon. The forward-looking statements

contained in this news release represent Whitemud’s expectaƟons as of the date hereof and are

subject to change a Ōer such date. Whitemud disclaims any inten Ɵon or obligaƟon to update or

revise any forward-looking statements whether as a result of new informaƟon, future events, or

otherwise, except as may be required by applicable securiƟes regulaƟons.

Neither the TSXV nor its RegulaƟon 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.

Not for distribution to United States Newswire Services or for dissemination in the United

States.