Cosa Announces Summer Drill Plans for the Darby Joint Venture with Denison Mines

Vancouver, British Columbia--(Newsfile Corp. - June 15, 2026) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce summer plans for the Company's Darby ("Darby") project. Darby is a joint venture (the "Joint Venture") between Cosa and Denison Mines Corp. (TSX: DML) (NYSE American: DNN) ("Denison") and is located 10 kilometres west of Cameco's Cigar Lake Mine in the eastern Athabasca Basin, Saskatchewan (Figure 1).

04.06.2026

Cosa Announces Upsized C$12 Million Bought Deal Private Placement Including Participation by Denison Mines

Vancouver, British Columbia--(Newsfile Corp. - June 4, 2026) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce that, in connection with its previously announced "bought deal" private placement (the "Offering"), it has entered into an amended agreement with Velocity Trade Capital Ltd., on behalf of itself and a syndicate of underwriters to include Haywood Securities Inc. as co-lead underwriter (collectively, the "Underwriters") to increase the size of the Offering to: (i) 5,835,000 common shares of the Company (the "Non-FT Shares") at a price of C$0.60 per Non-FT Share, (ii) 3,045,000 Saskatchewan charity flow-through common shares of the Company (the "Saskatchewan Charity FT Shares") at a price of C$0.99 per Saskatchewan Charity FT Share, (iii) 4,020,000 national charity flow-through common shares of the Company (the "National Charity FT Shares" and together with the Saskatchewan Charity FT Shares, the "Charity FT Shares") at a price of C$0.87 per National Charity FT Share and (iv) 2,860,000 flow-through common shares of the Company (the "FT Shares", and together with the Non-FT Shares and Charity FT Shares, the "Offered Securities") at a price of C$0.70 per FT Share, for aggregate gross proceeds to the Company of C$12,014,950.

03.06.2026

Cosa Announces C$5 Million Bought Deal Private Placement

Vancouver, British Columbia--(Newsfile Corp. - June 3, 2026) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce that it has entered into an agreement with Velocity Trade Capital Ltd., on behalf of itself and a syndicate of underwriters to include Haywood Securities Inc. as co-lead underwriter (collectively, the "Underwriters") who have agreed to purchase, on a "bought deal" private placement basis: (i) 1,670,000 common shares of the Company (the "Non-FT Shares") at a price of C$0.60 per Non-FT Share, (ii) 3,045,000 charity flow-through common shares of the Company (the "Charity FT Shares") at a price of C$0.99 per Charity FT Share, and (iii) 1,430,000 flow-through common shares of the Company (the "FT Shares", and together with the Non-FT Shares and Charity FT Shares, the "Offered Securities") at a price of C$0.70 per FT Share, for aggregate gross proceeds to the Company of C$5,017,550 (collectively, the "Offering").

28.05.2026

Cosa Announces Largest Drill Program to Date at Murphy Lake North with Participation from Denison Mines

Vancouver, British Columbia--(Newsfile Corp. - May 28, 2026) - Cosa Resources Corp. (TSX-V: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce summer plans for the largest drill program to date at the Company's Murphy Lake North ("MLN") project. Drilling is set to commence in mid-June and will follow up on uranium mineralization intersected in winter 2026.

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Nuclear Energy Stocks Gain From Growing Need for Reliable Clean Power

Cosa Announces Summer Drill Plans for the Darby Joint Venture with Denison Mines

Cosa Announces Upsized C$12 Million Bought Deal Private Placement Including Participation by Denison Mines

Cosa Announces C$5 Million Bought Deal Private Placement

Cosa Announces Largest Drill Program to Date at Murphy Lake North with Participation from Denison Mines

Can DNN's Growing Uranium Contracts Drive Future Growth?

Cosa Intersects up to 1.7% U3O8 Within Interval of 5.0 m of 0.55% U3O8 at Murphy Lake North Joint Venture with Denison Mines

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Cosa Announces Summer Drill Plans for the Darby Joint Venture with Denison Mines

Cosa Announces Upsized C$12 Million Bought Deal Private Placement Including Participation by Denison Mines

Cosa Announces C$5 Million Bought Deal Private Placement

Cosa Announces Largest Drill Program to Date at Murphy Lake North with Participation from Denison Mines

Nuclear Energy Stocks Gain From Growing Need for Reliable Clean Power

Cosa Announces Summer Drill Plans for the Darby Joint Venture with Denison Mines

Cosa Announces Upsized C$12 Million Bought Deal Private Placement Including Participation by Denison Mines

Cosa Announces C$5 Million Bought Deal Private Placement

Cosa Announces Largest Drill Program to Date at Murphy Lake North with Participation from Denison Mines

Can DNN's Growing Uranium Contracts Drive Future Growth?

Cosa Intersects up to 1.7% U3O8 Within Interval of 5.0 m of 0.55% U3O8 at Murphy Lake North Joint Venture with Denison Mines

Videolar

No Data

Press-relizlar

Cosa Announces Summer Drill Plans for the Darby Joint Venture with Denison Mines

Cosa Announces Upsized C$12 Million Bought Deal Private Placement Including Participation by Denison Mines

Cosa Announces C$5 Million Bought Deal Private Placement

Cosa Announces Largest Drill Program to Date at Murphy Lake North with Participation from Denison Mines

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Denison Mines Corp. (DNN)

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Denison Mines Corp. (DNN)

Nuclear Energy Stocks Gain From Growing Need for Reliable Clean Power

Cosa Announces Summer Drill Plans for the Darby Joint Venture with Denison Mines

Cosa Announces Upsized C$12 Million Bought Deal Private Placement Including Participation by Denison Mines

Cosa Announces C$5 Million Bought Deal Private Placement

Cosa Announces Largest Drill Program to Date at Murphy Lake North with Participation from Denison Mines

Can DNN's Growing Uranium Contracts Drive Future Growth?

Cosa Intersects up to 1.7% U3O8 Within Interval of 5.0 m of 0.55% U3O8 at Murphy Lake North Joint Venture with Denison Mines

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Press-relizlar

Cosa Announces Summer Drill Plans for the Darby Joint Venture with Denison Mines

Cosa Announces Upsized C$12 Million Bought Deal Private Placement Including Participation by Denison Mines

Cosa Announces C$5 Million Bought Deal Private Placement

Cosa Announces Largest Drill Program to Date at Murphy Lake North with Participation from Denison Mines

Nuclear Energy Stocks Gain From Growing Need for Reliable Clean Power

Cosa Announces Summer Drill Plans for the Darby Joint Venture with Denison Mines

Cosa Announces Upsized C$12 Million Bought Deal Private Placement Including Participation by Denison Mines

Cosa Announces C$5 Million Bought Deal Private Placement

Cosa Announces Largest Drill Program to Date at Murphy Lake North with Participation from Denison Mines

Can DNN's Growing Uranium Contracts Drive Future Growth?

Cosa Intersects up to 1.7% U3O8 Within Interval of 5.0 m of 0.55% U3O8 at Murphy Lake North Joint Venture with Denison Mines

Videolar

No Data

Press-relizlar

Cosa Announces Summer Drill Plans for the Darby Joint Venture with Denison Mines

Cosa Announces Upsized C$12 Million Bought Deal Private Placement Including Participation by Denison Mines

Cosa Announces C$5 Million Bought Deal Private Placement

Cosa Announces Largest Drill Program to Date at Murphy Lake North with Participation from Denison Mines