File: '\\swfile\EmailIn\20261029 144243 Attachment LITHOS - News Release announcing Aqueous Transaction.docx'

LiTHOS Sells Wholly Owned Subsidiary Aqueous Resources

Vancouver, British Columbia, October 29, 2026 - LiTHOS Group Ltd. ("LiTHOS" or the "Company") (CSE: LITS) (FSE: Y1R0) (WKN: A418KN) announces that it has entered into an agreement dated October 29, 2026 with an arm's length third party for the sale of its wholly owned subsidiary Aqueous Resources LLC ("Aqueous"). Aqueous is the owner of US patent 12,151,211 B2 Electro-Pressure Membrane Method for Recovery and Concentration of Lithium from Aqueous Sources.

Pursuant to the terms of the sale, the purchaser will purchase all the issued and outstanding shares of Aqueous for USD $1 and make immediate payment to specified arm's length third party creditors of Aqueous. The sale has an effective date of October 29, 2026.

As a result of the sale, outstanding liabilities of Aqueous will no longer be reported as liabilities of the Company, resulting in a decrease in Company liabilities in an amount in excess of CAD $500,000.

In addition, immediately prior to the sale, LiTHOS Group Ltd. exchanged inter-company amounts owing to it by Aqueous for a limited license to the use, knowledge and technology related to US patent 12,151,211 B2 for any lithium extraction project that the Company originates outside the United States and which reaches commercial production by January 1, 2030.

The Company continues to own its proprietary cloud solution technology known as conductive fracture imaging, or CFI. The CFI subsurface imaging technology has the potential to reduce the risks of induced seismicity and optimize the pressure drive, and overall reservoir management for all brine assets.

ON BEHALF OF THE BOARD

Scott Taylor - CEO

For more information please contact:

1-877-LITHOS1 / 1-877-548-4671 or via email at info@lithostechnology.com.

Caution Regarding Forward-Looking Information

Certain statements contained in this news release constitute forward-looking information within the meaning of applicable Canadian securities laws. Such forward-looking information includes, without limitation, statements regarding the Company's anticipated financial reporting schedule under the Blanket Order and the Company's continued eligibility to rely on the Blanket Order. Forward-looking information is based on reasonable assumptions and is subject to known and unknown risks, uncertainties and other factors that may cause actual results to differ materially from those expressed or implied by such forward-looking information, including the risk that the Company may no longer satisfy the conditions of the Blanket Order or that applicable regulatory requirements may change. Readers are cautioned not to place undue reliance on forward-looking information. The Company undertakes no obligation to update forward-looking information except as required by applicable securities laws.