Eastfield Resources Ltd. Reviews Corporate And Project Developments

(TheNewswire)

Vancouver, B.C., October 31,2025 – TheNewswire - EastfieldResources Ltd. (TSX-V: ETF) ( “ Eastfield ” or the “ Company ”) is pleased to provide a corporatereview and update on current exploration activities.

Eastfield Resources Ltd. is a Tier 1issuer on the TSX Venture Exchange ,having traded continuously since 1987 without interruption or shareconsolidation. Over this time, the Company has focused on theexploration of precious andbase metals across Western Canada and the Western UnitedStates . Eastfield currently holds five copper- and/or gold-focusedprojects , all located in British Columbia .

The Company ’ s principal asset, the 100%-owned Zymo Copper-Gold Porphyry Project ,is located near Smithers,British Columbia , and covers 18,184 hectares .Acquired in 2007 and fully optioned in 2012 , Zymo has seen more than $4.9 million inexploration expenditures by Eastfield and former joint venturepartners. Of major significance is an 8+ km by 2 km induced polarization (IP)anomaly outlining a copper-gold porphyry system with multiple one-kilometre-scale targets and coincident multi-element geochemicalanomalies . To date, 34 diamond drill holes (10,810metres) have been completed.

Mineralization occurs in porphyritic diorites and adjacentsediments exhibiting strong potassic alteration . Five mineralized zones have been identified, including the Hobbes and FM Zones . Significant drill results include:

• ZY08-09: 0.23%Cu and 0.32 g/t Au over 252 m, including 0.44% Cu and 0.32 g/t Au over159 m and 0.72% Cu and 0.55 g/t Au over 72 m;

• ZY08-10: 0.31%Cu and 0.21 g/t Au over 159 m;

• ZY11-20: 0.28%Cu and 0.34 g/t Au over 126 m.

Peripheral precious-metal veins have also returned upto 10.78 g/t Au with several percent lead and zinc . Numerous IP targets remainuntested, and no deep holes have been completed to date.

The property features flat to gently undulatingterrain with shallow overburden and excellent access viaexisting logging roads extending to its northeast boundary. In December 2024 , Eastfield was granted a five-year exploration permit authorizing 50 drillsites and 50 km of geophysical surveying . A 2025 field program ofgrid expansion and line-cutting is underway in preparation for a 2026 IP survey .

In September2025 , Eastfield completed a private placement financing of $1.0million , welcoming a new group of enthusiasticshareholders and further strengthening the Company ’ s treasury for futureexploration.

T his news release has beenreviewed and approved by Glen Garratt, P. Geo., who is the QualifiedPerson within the context of NI 43-101 and takes responsibility forit.

Glen Garratt, P. Geo., Director

Neither the TSX Venture Exchange norits Regulation Services Provider (as that term is defined in thepolicies of the TSX Venture Exchange) accepts responsibility for theadequacy or accuracy of this news release. Formore information, please visit the company’s website atwww.eastfieldresources.com

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