Zefiro closes C$3.3 million private placement

Toronto, Ontario--(Newsfile Corp. - June 12, 2026) - ZEFIRO METHANE CORP. (Cboe Canada: ZEFI) (FSE: Y6B) (OTCQB: ZEFIF) (the " Company ", " Zefiro ", or " ZEFI ") is pleased to announce that it has closed a non-brokered private placement for gross proceeds of approximately C$3,300,050 (the " Offering "). Pursuant to the Offering, the Company issued an aggregate of 5,077,000 units of the Company (the " Units ") at a price of C$0.65 per Unit for gross proceeds of C$3,300,050. Each Unit consists of one common voting share in the capital of the Company (a " Common Share ") and one-half of one common share purchase warrant (each whole warrant, a " Warrant ").

Each Warrant entitles the holder thereof to acquire one Common Share (a " Warrant Share ") at an exercise price of C$0.80 per Warrant Share for a period of 30 months from the date of issuance. The Company intends to use the net proceeds from the Offering to fund the acquisition of additional well-plugging equipment, support geographic expansion of the Company's operations into the Company's first international market, and for general working capital and corporate purposes. In addition, through its subsidiary, Plants & Goodwin, Zefiro has secured multiple new corporate clients within the footprint of the former Viking equipment acquisition, three of which are publicly traded with a combined market capitalization in excess of USD $140 billion (see press release dated June 10, 2026).

The Company may also apply a portion of the net proceeds toward strategic acquisition opportunities currently under evaluation. In connection with the Offering, the Company paid finders a cash commission equal to 6% of the gross proceeds raised and issued an aggregate of 304,620 broker warrants. Each broker warrant is exercisable to acquire one Common Share at a price of C$0.65 per Common Share for a period of 24 months from the closing of the Offering.

The Units under the Offering are being offered to purchasers outside of Canada pursuant to an exemption from the prospectus requirement available under Section 2.3 of Ontario Securities Commission Rule 72-503 - Distributions Outside Canada , and accordingly, the Units are not subject to resale restrictions. This press release shall not constitute an offer to sell or the solicitation of an offer to buy securities in the United States, nor shall there be any sale of the securities in any jurisdiction in which such offer, solicitation or sale would be unlawful. The securities being offered have not been, nor will they be, registered under the U.S. Securities Act of 1933, as amended (the "1933 Act") or under any U.S. state securities laws, and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the 1933 Act, as amended, and applicable state securities laws.

About Zefiro Methane Corp. Zefiro is a North American environmental services company focused on strategically addressing asset retirement obligations and reducing methane emissions. With fully integrated operations, Zefiro quantifies emissions from oil/gas operations, provides turnkey decommissioning services, and generates carbon offsets. Zefiro's suite of solutions takes a holistic approach to generating cost-effective and stable energy, while eliminating negative environmental impacts.