Critical Mineral Resources Plc - Drilling Results

Critical Mineral Resources Plc – Drilling Results

PR Newswire

LONDON, United Kingdom, April 29

29 April 2026

Critical Mineral Resources Plc

Excellent copper grades, thickness and continuity of mineralisation at Agadir
Melloul

Critical Mineral Resources plc («CMR», «CMRS» or the «Company») is very pleased
to report its first assay results from its 2026 drill programme at Agadir
Melloul. As previously reported, drilling rates ramped up during February and
March as the weather improved and CMR is now achieving a rate of approximately
1,200m per month, this drill programme is fully funded and expected to lead to a
maiden resource by Q3 2026.

Going forward, CMR expects to release regular assay results once every four to
five weeks.

The assay results reported today demonstrate consistent copper mineralisation
including zones of excellent thickness and copper grade. In some areas, copper
mineralised drill intercepts averaged approximately 5m true width, significantly
above the Company’s average-width target of 2m. These near surface, high-grade
results illustrate the opportunity for open pittable mining on this district
-scale deposit.

Highlights

· Excellent drill results include:
· 5.0m at 1.20% copper, 0.77g/t Au and 1.4g/t silver from 24m,
· 3.7m at 1.76% copper and 8.6g/t silver from 6.3m, and
· 4.0m at 1.20% Cu and 0.9g/t Ag from 18m.

· Sediment hosted mineralisation being delineated rapidly as the Company
targets publication of its Maiden Resource Estimate during Q3 2026.
· Growth potential very significant with less than 3% of the project area
drilled.
· Management maintains its base case medium term exploration target of 25
million tonnes[1].

[]
+—–+————————————————————————+
|BH100|5.0m at 1.20% Cu, 0.77g/t Au[2] and 1.42g/t Ag from 24m inc. 3.0m at |
| |1.64% Cu, 1.16g/t gold and 1.85g/t Ag from 25.1m |
+—–+————————————————————————+
|BH107|5.0m at 0.77% Cu and 1.13g/t Ag from 24m inc. 3.0m at 1.04% Cu and |
| |1.22g/t Ag from 25.0m |
+—–+————————————————————————+
|BH108|4.0m at 1.03% Cu and 1.0/t Ag from 22m |
+—–+————————————————————————+
|BH110|3.0m at 0.8% Cu and 1.0g/t Ag from 20m |
+—–+————————————————————————+
|BH111|7.0m at 1.06% Cu and 1.0g/t Ag from 24m inc. 3.0m at 1.49% Cu and 1.0g/t|
| |Ag from 27m |
+—–+————————————————————————+
|BH114|7.0m at 0.91% Cu and 0.9g/t Ag from 17m inc. 4.0m at 1.20% Cu and 0.9g/t|
| |Ag from 18m |
+—–+————————————————————————+
|BH119|2.5m at 1.4% Cu and 8.6g/t Ag from 27m |
+—–+————————————————————————+
|BH10 |3.7m at 1.76% Cu and 1.0g/t Ag from 6.3m |
+—–+————————————————————————+
|BH11 |2.6m at 0.95% Cu and 1.1g/t Ag inc.1.6m at 1.27% from 17.4m and 0.73g/t |
| |Ag from 18.4m |
+—–+————————————————————————+
|BH15 |1.5m at 1.32% Cu and 20.31g/t Ag from 41.0m and 1.0m at 1.45% Cu and |
| |23.5g/t Ag from 44.5m |
+—–+————————————————————————+
|BH17 |1.7m at 0.92% Cu and 1.78g/t Ag from 38m |
+—–+————————————————————————+

[1]The potential quantity and grade of the Exploration Target is conceptual in
nature. There has been insufficient exploration or modelling work to estimate a
Mineral Resource and it is uncertain if further exploration will result in the
estimation of a Mineral Resource.

[2] Traces of gold reported over >2m in holes BH11, BH15, BH17, BH118, BH119

Charlie Long CEO commented:

«These results continue to confirm a shallow, coherent copper system with widths
and grades that are consistent with an open pit development scenario.
Importantly, several intercepts exceed our initial thickness assumptions, which
has positive implications for potential mining inventory and economics.

Our immediate focus is on systematically extending these and other zones ahead
of a maiden resource in Q3, while advancing metallurgical work to validate
processing assumptions. With less than 3% of the target area drilled, we see
significant scope to grow both tonnage and confidence in the system»

Russell Tucker NED commented:

«We invested in Agadir Melloul and the CMR management team based on clear
evidence of a near surface copper silver deposit with scale potential. Today’s
drill results, alongside those announced previously, support our initial
assessment. We are particularly encouraged by the thicker zones and the fact
that only a fraction of the project has been drill tested»

Conversion shares

The Company has received conversion notices of 33,721,061 and 45,273,349 shares
from strategic investors which shall result in our largest shareholder
maintaining a 28.5% position. Of these shares, 35,121,879 are issued today with
the balance and admission of the new shares to take place after our AGM,
expected to be towards the end of June. The total number of voting rights in the
Company is 376,699,158.

2026 development timeline

Milestone Target Timing
Metallurgical testwork May – Jun 2026
programme (laboratory and
pilot plant)
Process flowsheet development By Jul 2026
and preliminary plant design
Geotechnical studies By Jul 2026
Processing plant Environmental By Aug 2026
Impact Assessment submitted
Maiden JORC Mineral Resource Sept 2026
Estimate
Mine planning and production Oct – Nov 2026
scheduling studies
Definitive Feasibility Study Target Dec 2026
completion
Processing plant EIA approval Target Dec – 2026
(subject to regulatory
timelines)

Competent Person Statement

The technical exploration and mining information contained in this announcement
has been reviewed and approved by Mr. Robert Nigel Chapman. Mr. Chapman has
sufficient experience which is relevant to the style of mineralisation and type
of deposit under consideration and to the activity to which he is undertaking to
qualify as a Competent Person as defined in the 2004 Edition of the
‘Australasian Code for Reporting of Exploration Results, Mineral Resources and
Ore Reserves and as a qualified person under the AIM Note for Mining, Oil and
Gas Companies. Mr. Chapman is an employee of Luna Recursos Naturales SAC, an
independent geological consultancy established in 2014 and is a Member of the
Australasian Institute of Geoscientists (A.I.G.) Mr. Chapman has visited Agadir
Melloul and consents to the inclusion in this Announcement of such information
in the form and context in which it appears.

The information contained within this announcement is deemed by the Company to
constitute inside information as stipulated under the Market Abuse Regulation
(EU) No. 596/2014 as it forms part of United Kingdom domestic law by virtue of
the European Union (Withdrawal) Act 2018, as amended by virtue of the Market
Abuse (Amendment) (EU Exit) Regulations 2019.

ENDS

Notes To Editors

Critical Mineral Resources (CMR) PLC is an exploration and development company
focused on developing assets that produce critical minerals for the global
economy, including those essential for electrification and the clean energy
revolution. Many of these commodities are widely recognised as being at the
start of a supply and demand super cycle.

CMR is building a diversified portfolio of high-quality metals exploration and
development projects in Morocco, focusing on copper, silver and potentially
other critical minerals and metals. CMR identified Morocco as an ideal mining
-friendly jurisdiction that meets its acquisition and operational criteria. The
country is perfectly located to supply raw materials to Europe and possesses
excellent prospective geology, good infrastructure and attractive permitting,
tax and royalty conditions. In 2023, the Company acquired an 80% stake in
leading Moroccan exploration and geological services company Atlantic Research
Minerals SARL.

The Company is listed on the London Stock Exchange (CMRS.L). More information
regarding the Company can be found at www.cmrplc.com

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