Uranium One Mining closes non-brokered private placement for ~$3,008,401

Vancouver, BC – May 27, 2026 – TheNewswire - Uranium One Mining Corp. (formerly Vanguard Mining Corp.) (“ Uranium One ” or the “ Company ”) (CSE: UUU | OTCID: UUUFF | Frankfurt: SL51) is pleased to announce that it has closed its previously announced non-brokered private placement (the “ Offering ”) consisting of: (i) 4,911,333 non-flow-through units of the Company (each, an “ NFT Unit ”) at a price of $0.30 per NFT Unit for aggregate gross proceeds of $1,473,399.90; and (ii) 5,116,669 flow-through units of the Company (each, an “ FT Unit ”) at a price of $0.30 per FT Unit for aggregate gross proceeds of $1,535,000.70, for total aggregate gross proceeds of approximately $3,008,400.60. Each NFT Unit consists of one common share in the capital of the Company (a “ Common Share ”) and one common share purchase warrant (a “ Warrant ”). Each Warrant entitles the holder to acquire one additional Common Share at a price of $0.50 per Common Share for a period of 12 months from the date of issuance.

If the Common Shares close at or above $0.75 per Common Share for a period of five (5) consecutive trading days, the Company may accelerate the expiry date of the Warrants to 30 days following the date of such notice.   Each FT Unit consists of one Common Share that qualifies as a “flow-through share” within the meaning of the Income Tax Act (Canada) (an “ FT Share ”) and one Warrant. Each Warrant entitles the holder to acquire one additional non-flow-through Common Share at a price of $0.50 per Common Share for a period of 12 months from the date of issuance. If the Common Shares close at or above $0.75 per Common Share for a period of five (5) consecutive trading days, the Company may accelerate the expiry date of the Warrants to 30 days following the date of such notice.   The NFT Units and FT Units issued pursuant to the Offering are subject to a four-month hold period under applicable Canadian securities laws that expires on September 28, 2026.   The net proceeds from the sale of NFT Units will be used for exploration and drilling programs, property payments, and general working capital.

The net proceeds from the sale of FT Units will be used to incur “Canadian exploration expenses” as defined in subsection 66.1(6) of the Income Tax Act (Canada), and the Company will renounce such qualifying expenditures to the subscribers of FT Shares with an effective date no later than December 31, 2026, in an aggregate amount not less than the total subscription proceeds received for the FT Shares.   In connection with the closing of the Offering, the Company paid aggregate cash finder’s fees of $211,472.06 and issued an aggregate of 704,907 non-transferable finder’s warrants (the “ Finder’s Warrants ”) to eligible arm’s length finders, including Haywood Securities Inc., Ventum Financial Corp., Canaccord Genuity Corp., Raymond James Ltd., Research Capital Corporation, and Acumen Capital Finance Partners Limited. Except as described below with respect to Canaccord Genuity Corp., each Finder’s Warrant is exercisable into one Common Share at a price of $0.50 per Common Share for a period of 24 months from the date of issuance.   Canaccord Genuity Corp. (the “ Canaccord ”) was issued Finder’s Warrants equal to 8% of the NFT Units and FT Units subscribed for by persons introduced to the Company by Canaccord. Each such Finder’s Warrant is exercisable to purchase one additional Common Share at a price of $0.39 per Common Share for a period of 24 months from the closing of the Offering.   Insiders of the Company participated in the Offering.