REG - Helix Exploration - Project Update at Rudyard Project

Helix ExplorationAnnouncement

13/11/2025 07:00

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RNS Number : 3302H  Helix Exploration PLC  13 November 2025

13 November 2025

Helix Exploration PLC

("Helix Exploration" or "Helix" or the "Company")

Project Update at Rudyard Project - Rig Secured for Rudyard Re-Entry and Coring Program

Helix Exploration PLC, the helium exploration and development company with
near-term production assets within the 'Montana Helium Fairway', is pleased to
announce that it has secured a drilling rig to re-enter the Inez #1 well at
its flagship Rudyard Project.

The operation represents the next step in evaluating the Rudyard subsurface
system for potential hydrogen resources, supported by previous findings of
mantle helium signatures and rock chemistry conducive to natural hydrogen
generation.

Highlights

·    Rig Secured for Re-Entry: Helix has finalised a rig contract to
re-enter the Inez #1 commencing the week of 17 November 2025.

·    Targeting Hydrogen Source Rocks: The Company will remove existing
production tubing and drill through to total depth, coring an additional 30-40
feet of ultramafic rock - the critical rock type responsible for natural
hydrogen generation.

·    Evidence of Deep Mantle Connection: As announced on 16 October 2025,
geochemical studies have confirmed a ³He/⁴He ratio of 0.74 Rₐ,
representing a ~9 % mantle helium component and one of the highest ratios
recorded in the continental United States outside Yellowstone.

·   Hydrogen Potential: The combination of altered ultramafic lithologies,
mantle helium, and active fluid pathways makes Rudyard one of the most
scientifically compelling and economically attractive natural hydrogen
prospects in North America.

·   Helium Production Integration: Following coring operations, Helix will
perforate the entire Souris River zone to complete the well for helium
production, enabling helium bearing gas to supply the Company's new
PSA/Membrane processing plant in Rudyard.

Background

Natural hydrogen is the cleanest and most cost-effective hydrogen on Earth,
generated deep underground by simple natural reactions between water and
ultramafic rock - with zero carbon emissions. Unlike synthetic hydrogen ("grey
hydrogen") produced from fossil fuels, geological hydrogen offers a
self-recharging, emission-free resource.

Helix intends to deliver near-term helium revenue while pioneering one of
North America's first commercial natural hydrogen discoveries.

Bo Sears, Chief Executive Officer of Helix Exploration, commented:

"Coring the ultramafic interval in the Inez #1 well represents a defining
moment for Helix. Laboratory results from our XRD, XRF, and Mössbauer
analyses identified that these rocks are actively undergoing, or have
undergone, alteration processes capable of generating hydrogen. The rock
exhibits a composition and geochemical balance consistent with systems known
to generate hydrogen through natural alteration processes that can remain
active over long geological timescales. To my knowledge, no better rock has
been encountered in the United States for geological hydrogen exploration. We
believe these core samples will be the first ever taken from an ultramafic
zone at this depth in the U.S., and they provide a rare opportunity to study a
live hydrogen-forming system in place. While our immediate focus is on coring
this lower hydrogen interval, we will also be testing the upper Souris River
for helium production. Together, these efforts advance our goal of unlocking
two clean energy resources-helium and hydrogen-from the same subsurface
system."

This announcement contains inside information for the purposes of the UK
Market Abuse Regulation, and the Directors of the Company are responsible for
the release of this announcement.

Enquiries

Helix Exploration

 Bo Sears           via Camarco
 Keith Spickelmier  info@helixexploration.com (mailto:info@helixexploration.com)

Cairn - Nominated Adviser

 Liam Murray          +44 (0)20 7213 0880
 Ludovico Lazzaretti
 James Western

 

Hannam & Partners - Joint Broker

 Neil Passmore     +44 (0)20 7907 8502
 Leif Powis

 Tavira Financial - Joint Broker
 Chris Kipling                       +44 (0)20 7100 5100

 Oliver Stansfield

 Jonathan Evans

Camarco - Financial PR

 Tilly Butcher  +44 (0)20 3757 4980

 Sam Morris
 Billy Clegg    helixexploration@camarco.co.uk (mailto:helixexploration@camarco.co.uk)

Notes to Editors

Helix Exploration is a helium exploration company focused on the exploration
and development of helium deposits within the 'Montana Helium Fairway'.
Founded by industry experts with extensive experience of helium systems in the
US, the Company listed in April 2024.

Helix is focused on production at its Rudyard Project in northern Montana,
taking advantage of existing infrastructure and low-cost processing to target
first gas in 2025. The Company has four production wells targeting up to 236ft
Helium / Nitrogen gas in the Souris and Red River formations, flowing up to
3,800 Mcf/day at 1.2% helium. Rudyard field can support multiple production
wells and has potential to generate net revenue of $115 - $220 million over a
12.5 year life of field.

Helix is committed to open and transparent communication with investors and
the wider market as the project progresses through development into
production.

"Our approach is simple: build scale efficiently, develop resources
strategically, and deliver near-term cash flow." CEO - Bo Sears

The Company's Admission Document, and other information required pursuant to
AIM Rule 26, is available on the Company's website
at https://www.helixexploration.com/ (https://www.helixexploration.com/) .

Caution regarding forward looking statements

Certain statements in this announcement, are, or may be deemed to be, forward
looking statements. Forward looking statements are identified by their use of
terms and phrases such as ''believe'', ''could'', "should" ''envisage'',
''estimate'', ''intend'', ''may'', ''plan'', ''potentially'', "expect",
''will'' or the negative of those, variations or comparable expressions,
including references to assumptions. These forward-looking statements are not
based on historical facts but rather on the Directors' current expectations
and assumptions regarding the Company's future growth, results of operations,
performance, future capital and other expenditures (including the amount,
nature and sources of funding thereof), competitive advantages, business
prospects and opportunities. Such forward looking statements reflect the
Directors' current beliefs and assumptions and are based on information
currently available to the Directors.

 

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