Mendell Helium (LON: MDH) has acquired the remaining 25% interest in the Nilson 22-1 well in Kansas, giving the company full ownership of what it describes as its strongest producer

Final results for the year ended 31 March 2026 Notice of AGM

Mendell Helium (LON: MDH) has reported helium concentrations of up to 11.5% from the latest gas sample taken at its Rost 2-26 well in Kansas, with concentrations increasing across recent

Mendell Helium (MDH: AIM) has arguably changed more than its modest market profile might suggest since March. The company completed its move to AIM on 16th June, having raised £5

Mendell Helium (AIM: MDH) has reported highly encouraging preliminary results from its Fort Dodge operations in Kansas, with gas samples from the Rost 2-26 well returning helium concentrations of up

James Lee has increased his holding in Mendell Helium PLC, crossing another disclosure threshold on 17 August 2026.

Mendell Helium PLC (AIM: MDH) has been notified that investor James Lee has acquired a new holding in the company, crossing a disclosure threshold on 6 August 2026.

Mendell Helium (LON: MDH) has reported further operational progress across its Rost 1-26, Rost 2-26 and Brobee assets in Kansas, with production from both Rost wells expected to begin following

Mendell Helium advances Kansas production programme as expansion gathers pace

Mendell Helium plc has officially joined the AIM market of the London Stock Exchange, with trading in its ordinary shares commencing today as the company seeks to accelerate the development