Rain City Resources Inc. (CSE: RAIN) has announced a strategic agreement with ZERO13, a GMEX Group company, to develop blockchain-enabled traceability, ESG verification, and digital infrastructure for critical mineral production. The Calgary-based company also disclosed a 90-day extension to its exclusivity arrangement with Ion Source LLC, advisory board changes, and a variation to an outstanding loan note. The announcements collectively signal a broadening of Rain City's strategy beyond pure lithium extraction toward digital supply-chain transparency.

Key Points

  • Rain City Resources Inc. (CSE: RAIN) is a Canadian critical minerals company focused on Direct Lithium Extraction technology.
  • The company has executed a strategic collaboration agreement with ZERO13 to build blockchain-based chain-of-custody and ESG verification infrastructure for lithium production in Latin America.
  • Exclusivity with Ion Source LLC has been extended a further 90 days from the Term Sheet executed on 16 April 2026; a convertible loan note was varied to an unsecured demand loan with an outstanding balance of US$49,875.
  • Investors may be watching for progress toward definitive agreements with ZERO13 and Ion Source, and the contribution of newly appointed advisory board members.

Rain City and ZERO13 Target Blockchain Traceability Across the Lithium Value Chain

Under the executed agreement, Rain City and ZERO13 will collaborate to develop a framework covering certification from source to final product, encompassing product purity, water consumption, energy intensity, carbon performance, reagent usage, laboratory verification, batch identification, and chain-of-custody data. The company states the platform is intended to serve battery manufacturers, automotive OEMs, offtakers, regulators, institutional investors, and governments. The release notes that the agreement, other than specified provisions, represents a statement of mutual intention and does not oblige either party to complete any transaction or definitive agreement.

Ion Source Exclusivity Extended and AC²ME DLE Technology Development Continues

Rain City announced a mutual 90-day extension to its exclusivity period with Ion Source LLC, originally established under a Term Sheet dated 16 April 2026. The release states both parties have been working closely since April to develop Rain City's AC²ME Direct Lithium Extraction technology platform alongside other commercial applications using Ion Source's technology. Nick Holbrook, CEO and Managing Member of Ion Source LLC, has also been appointed to Rain City's Advisory Board, alongside Jay Hosanee, described as a finance leader with experience across manufacturing, banking, and mining in public-company environments.

Loan Note Varied to Unsecured Demand Facility Following July Maturity

On 11 July 2026, the maturity date of the company's convertible loan note, Rain City and the note holder agreed to convert the instrument into an unsecured loan repayable on demand, denominated in United States dollars and bearing simple interest at 5% per annum. The holder's right to convert the note into common shares was released at that time. Accrued interest of US$2,375 was capitalised into the principal, resulting in an outstanding balance of US$49,875, according to the release.

Advisory Board Restructured as Three Members Depart and Two Join

Rain City announced that Ronald Lincz, Douglas Brett, and Andrew Judson ceased serving on the Advisory Board effective 8 September 2026. The company thanked the departing members for their contributions. Jay Hosanee and Nicholas Holbrook were appointed in their place, joining existing member Sebastián Quiñones. The immediate share price impact was not clear from available public information.