Mendell Helium Records Up to 11.5% Helium Concentrations at Rost 2-26 Well in US

04:38 AM EDT, 09/23/2026 (MT Newswires) -- Mendell Helium (MDH.L) said Wednesday that the latest gas sample analyzed from its Rost 2-26 well in Kansas, US, recorded helium concentrations of up to 11.5%. The helium exploration and production company is also evaluating well stimulation to potentially boost gas volumes and helium recovery, with preparations for a fracking program underway. Mendell added that it is fully funded for possible additional work at Rost 2.