Mr. Lucas Zimmerman reports

BIRCHTECH EXPANDS WATER TREATMENT PLATFORM WITH SEA-IX(TM) NUCLEAR-GRADE ION EXCHANGE RESIN LINE

Birchtech Corp. has expanded its water treatment platform with the launch of its SEA-IX nuclear-grade ion exchange resin product line, marking the company's entry into the complementary high-purity ion exchange resin market.

The SEA-IX line includes a full suite of strong acid cation (SAC), strong base anion (SBA) and mixed bed resins engineered to meet the demanding purity and performance requirements of nuclear power plant water systems, with stringent quality controls to minimize trace contaminants and support ultrapure, non-corrosive water essential for reactor operations. Due to their higher-grade specifications, SEA-IX resins are also well suited for coal-fired power plants, industrial waste water applications and municipal water treatment facilities, representing a combined addressable market Birchtech estimates at approximately $185-million to $255-million in annual resin spend across North America.

Birchtech's SEA-IX resins are distributed from a United States-based hub, offering 11 distinct formulations with shorter industry lead times and dependable supply.

The company launches the product line with an initial repeated supply already secured with a large coal-fired power plant -- with $1-million of purchase orders received to date inclusive of a $400,000 order received in March, 2026 -- and expects to engage with leading nuclear operators, utilities and municipal water treatment facilities. The product line delivers profit margins consistent with Birchtech's existing products and initial customer results have demonstrated improved process throughput with less material usage compared with competitive ion exchange resins.

The SEA-IX complements Birchtech's existing water treatment platform, which includes Birchtech's design center analytical and rejuvenation services and turnkey municipal water treatment services, positioning Birchtech as a comprehensive provider of advanced water purification technologies targeting the removal of harmful contaminants and heavy metals.

Richard MacPherson, president and chief executive officer of Birchtech, commented: "The launch of our SEA-IX ion exchange resin line is a significant expansion of our water treatment platform. We are bringing a high-quality, domestically stocked product to a market where two suppliers control roughly 70 per cent of global share and lead times have become a real challenge for operators.

"Across the board, our emphasis is on providing utilities with more efficient and cost-effective treatment solutions. With 94 nuclear reactors operating in the U.S. and growing energy demand driven by AI infrastructure, the need for reliable, domestic resin supply has never been greater. Our U.S.-based distribution hub gives us the ability to serve nuclear, coal-fired utility and municipal water treatment customers with shorter lead times and consistent supply and demonstrated process improvements. This launch, combined with our activated carbon PFAS solutions, turnkey water treatment services and planned Carbon Rejuvenation program, positions Birchtech as a comprehensive water purification provider across media, services and life cycle management."

About Birchtech Corp.

Birchtech is a leader in specialty activated carbon technologies delivering innovative solutions for air and water purification to support a cleaner, more sustainable future. The company provides patented SEA sorbent technologies for mercury emissions capture for the coal-fired utility sector and SEA disruptive water purification technologies with a specialization on removing contaminants, including "forever chemicals" such as PFAS, from potable water and industrial waste water. Backed by a strong intellectual property portfolio and a team of activated carbon experts, Birchtech provides cleaner air to North American communities and is applying this expertise to a novel approach in water purification.

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