Mr. Christian Kargl-Simard reports

BLUE MOON CLOSES PREVIOUSLY ANNOUNCED ACQUISITION OF CLAIMS ADJACENT TO SPRINGER TUNGSTEN

Blue Moon Metals Inc. has closed its previously announced acquisition of a 100-per-cent interest of certain claims adjacent to Springer (the WO claims) from GoldPlay LLC and Robert Schafer (the sellers) as described in the press release dated April 28, 2026.

In connection with the closing of the acquisition, Blue Moon wishes to highlight the following:

• The acquisition is at arm's length between the company and the sellers with no finders' fees being paid on the acquisition.
• The WO claims consist of nine unpatented mining claims.
• As part of the acquisition, Blue Moon issued 188,199 common shares of Blue Moon to the sellers.
• As part of the acquisition, Blue Moon paid $1-million (U.S.) in cash to the sellers.
• As part of the acquisition, Blue Moon granted a gross revenue royalty on the WO claims on a sliding scale from 3.0 per cent to 5.0 per cent, in favour of the sellers, with an option in favour of the company to buy down the GRR, regardless of which sliding scale is applicable, to 1.5 per cent for a period of three years for a cash payment of $2.0-million (U.S.).

About Blue Moon Metals Inc.

Blue Moon is advancing five brownfield polymetallic projects, including the Nussir copper-gold-silver project in Norway, the NSG copper-zinc-gold-silver project in Norway, the Blue Moon zinc-gold-silver-copper project in the United States, the Springer tungsten-molybdenum project in the United States and the Apex germanium-gallium-copper project in the United States. All five projects are well located with existing local infrastructure including roads, power and historical infrastructure. Zinc, copper and tungsten are currently on the U.S. Geological Survey and European Union lists of metals critical to the global economy and national security, and germanium and gallium are also on the USGS list of critical metals. Major shareholders include Teck Resources Ltd., funds managed by Oaktree Capital Management, Hartree Partners LP, Wheaton Precious Metals, Altius Minerals Corp., Baker Steel Resources Trust, LNS and Monial.

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