**Summary**
Mosman Oil and Gas Limited (AIMMSMN) announced a correction to its previous RNS release regarding a fully subscribed £500,000 retail offer to advance its US helium projects. The correction specifies that the companys total voting rights will comprise 32,614,854,994 ordinary shares of no par value after the issuance of 2,222,222,222 new shares at 0.0225p each. This retail offer, conducted via CMC CapX, complements a £1.67 million institutional placing, bringing total funds raised to £2.17 million. The funds will support the development of Mosmans helium portfolio in Colorado, including upcoming 3D seismic and well <mark style="background-color:yellow">test</mark> programs at Sagebrush and continued work at Coyote Wash.
Executive Chairman Carl Dumbrell expressed satisfaction with the strong retail shareholder response, highlighting the companys robust financial position and upcoming milestones. The retail offer shares are expected to be admitted to trading on AIM on October 27, 2025. Additionally, Mosman plans to change its name to Quantum Helium Limited (AIM ticker: QHE) to reflect its strategic focus on helium exploration, pending shareholder approval at the November 10, 2025, Annual General Meeting.