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Eastfield Resources Provides Update ON Indata and Iron Lake Projects

Corporate Updates

EASTFIELD RESOURCES PROVIDES UPDATE ON INDATA AND IRON LAKE

PROJECTS

(TSX-V: ETF)

Vancouver, BC – May 5th, 2025 – Eastfield Resources Ltd. (“Eastfield”) (TSX-V: ETF) is

pleased to provide an update on recent and upcoming activities at its Indata and Iron Lake

properties, both located in British Columbia.

Indata Project (4,551 hectares)

The Indata property is located 120 km north of Fort St. James, BC, and is optioned to Star Copper

Corp. (formerly Alpha Copper Corp.), which may earn a 60% interest by completing $2.7 million

in exploration expenditures and making payments totaling $440,000 (cash and/or shares) by

December 31, 2026.

Star Copper recently announced several financings intended to fund its 2025 exploration

programs, including work at Indata (see Star Copper news release dated April 29, 2025). This

year’s program will focus on drilling for copper in the Lake Zone and molybdenum in Area 74.

To date, 84 drill holes totaling 9,517 meters have been completed at Indata, including 11 holes in

2022. Notable results include:

- Hole IN22-82: 174.0 meters grading 0.23% copper from 2.9 meters depth, including 29.0

meters grading 0.47% copper. This hole defines the northern boundary of the Lake Zone, which

aligns with a 2.4 km-long copper-in-soil anomaly.

- Hole IN22-74 (Area 74): 30.8 meters grading 0.101% molybdenum (0.16% MoS₂ equivalent)

from 113.7 meters to the bottom of the hole, including 7.5 meters grading 0.320% molybdenum

(0.51% MoS₂ equivalent). Area 74 lies 5 km south of the Lake Zone and was discovered in 2022.

Historical results include DDH88-11, which returned 4.0 meters grading 47.26 g/t gold. Chip

sampling in the same area has returned values up to 3.80% antimony and 10.40 g/t gold. A valid

drill permit is in place.

Iron Lake Project (8,035 hectares)

The Iron Lake property is located 50 km northeast of 100 Mile House, BC, within the Triassic–

Jurassic Quesnel Terrane. It hosts volcanic, volcaniclastic, and intrusive rocks in contact with a

large ultramafic complex several square kilometers in extent.

Eastfield’s option partner, Tech-X Resources Inc. (a private company), has earned a 51% interest

in Iron Lake by expending $4 million since 2021. Eastfield retains the remaining 49%.

In 2024, Tech-X completed a green rock vectoring study to target deeper porphyry copper

mineralization. Field sampling was conducted under the supervision of Professor Jamie

Wilkinson of Imperial College London. Results are pending and will assist in refining drill

targets.

While previous work at Iron Lake has focused on mineralization related to the ultrabasic

complex, the property was originally acquired for its porphyry potential. An induced polarization/

resistivity survey completed in 2023 outlined multiple untested anomalies. The results of the

green rock study will help prioritize targets within these zones.

About Eastfield Resources

Eastfield Resources Ltd. is a project generator focused on exploration in British Columbia. With a

diversified portfolio and experienced partners, Eastfield continues to advance its projects through

joint venture and strategic partnerships.

For further information, please contact:

Eastfield Resources Ltd.

Phone: (604) 681-7913 | Toll Free: 1-888-656-6611

Email: [email protected]

Website: www.eastfieldresources.com

Neither the TSX Venture Exchange nor its Regulation 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.