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Quantum Helium Ltd
Level 4, 55 York Street
Phone: +61 282960000p:+61 282960000 SYDNEY, NSW  2000  Australia Ticker: QHEQHE

Business Summary
Quantum Helium Ltd, formerly Mosman Oil and Gas Limited, is a helium, hydrogen and hydrocarbon exploration, development, and production company with projects in the United States and Australia. It has several projects in the United States, in addition to exploration projects in the Amadeus Basin in Central Australia. Its exploration focus is Southwest and Southeast Colorado, which has significant concentrations of helium and historical helium production. Its projects include Sagebrush project, Cinnabar Lease and Coyote Wash Project. The Sagebrush project is in the Four Corners region in Colorado, the United States, which is an area of helium production from the Leadville formation carbonates from fields such as Doe Creek. The Sagebrush project covers over 10,000 acres with existing oil fields and helium encounters in the area. It holds a 100% working interest across the Coyote Wash Project area of 4320 acres. It has 75% working interest in over 350 acre Cinnabar Lease in East Texas.
(Source: Company's Website)

Scores and Ratings
FRISK®
Score
Z''
Score
PAYCE®
Score
DBT
Index
Moody's
Rating
Fitch
Rating
DBRS
Rating
-Yes-----

Financials, News and Filings
Latest
Statement
Last
Audit

News
SEC
Filings
Bankruptcy
Filings
Suit &
Judgment
Filings
Tax
Lien
Filings
6/30/20256/30/2025Yes----

Industries
SIC Code Description
2813 Industrial gases
1311 Crude petroleum and natural gas

Officers and Directors

Title

Name

Age
Title
Date
Start
Date
Executive Chairman of the Board Carl F.Dumbrell 48 9/29/2025 9/28/2023
Chief Executive Officer HowardMclaughlin 9/29/2025 9/26/2025
Chief Financial Officer, Company Secretary TinaLoh 6/3/2025 4/24/2025
4 additional Officers and Directors records available in full report.

Business Names
Business Name
Mosman Oil and Gas (NZ) Limited
MSMN
OilCo Pty Ltd.
4 additional Business Names available in full report.

General Information
Outstanding Shares: 33,318,730,055 (As of 12/2/2025)
Stock Exchange: LON


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Saturday, December 6, 2025