Form8.3AMGLITHIUMB.V.(ADIRECTWHOLLY-OWNEDSUBSIDIAR

FORM 8.3

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY

A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR

MORE

Rule 8.3 of the Takeover Code (the "Code")

1.

KEY INFORMATION

(a)

Full name of discloser:

Barclays PLC.

(b)

Owner or controller of interest and short

positions disclosed, if different from 1(a):

(c)

Name of offeror/offeree in relation to whose

AMG LITHIUM B.V. (A DIRECT WHOLLY-OWNED SUBSIDIARY OF AMG CRITICAL MATERIALS N.V.)

relevant securities this form relates:

(d)

If an exempt fund manager connected with an

offeror/offeree, state this and specify identity of

offeror/offeree:

(e)

Date position held/dealing undertaken:

12 Jun 2026

(f)

In addition to the company in 1(c) above, is the discloser making

YES:

disclosures in respect of any other party to the offer?

ZINNWALD LITHIUM PLC

2.

POSITIONS OF THE PERSON MAKING THE DISCLOSURE

(a)

Interests and short positions in the relevant securities of the offeror or offeree

to which the disclosure relates following the dealing(if any)

Class of relevant security:

EUR 0.02 ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

777,602

2.17%

128,570

0.36%

(2)

Cash-settled derivatives:

135,952

0.38%

771,381

2.16%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

913,554

2.56%

899,951

2.52%

(b)

Rights to subscribe for new securities (including directors and other executive

options)

Class of relevant security in relation to

which subscription right exists

Details, including nature of the rights

concerned and relevant percentages:

3.

DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE

(a)

Purchases and sales

Class of relevant

Purchase/sale

Number of

Price per unit

security

securities

EUR 0.02 ordinary

Purchase

12,536

36.2000 EUR

EUR 0.02 ordinary

Purchase

9,069

35.3646 EUR

EUR 0.02 ordinary

Purchase

8,387

35.7840 EUR

EUR 0.02 ordinary

Purchase

7,729

35.7269 EUR

EUR 0.02 ordinary

Purchase

4,138

35.6118 EUR

EUR 0.02 ordinary

Purchase

2,144

35.7763 EUR

EUR 0.02 ordinary

Purchase

1,687

35.6202 EUR

EUR 0.02 ordinary

Purchase

1,254

36.1958 EUR

EUR 0.02 ordinary

Purchase

1,049

35.7437 EUR

EUR 0.02 ordinary

Purchase

634

35.6898 EUR

EUR 0.02 ordinary

Purchase

488

35.5034 EUR

EUR 0.02 ordinary

Purchase

434

34.9499 EUR

EUR 0.02 ordinary

Purchase

334

35.5809 EUR

EUR 0.02 ordinary

Purchase

316

35.3229 EUR

EUR 0.02 ordinary

Purchase

299

35.5252 EUR

EUR 0.02 ordinary

Purchase

279

35.8811 EUR

EUR 0.02 ordinary

Purchase

252

35.8185 EUR

EUR 0.02 ordinary

Purchase

251

35.4812 EUR

EUR 0.02 ordinary

Purchase

229

36.1600 EUR

EUR 0.02 ordinary

Purchase

228

36.0789 EUR

EUR 0.02 ordinary

Purchase

189

35.7345 EUR

EUR 0.02 ordinary

Purchase

180

36.2118 EUR

EUR 0.02 ordinary

Purchase

147

35.5200 EUR

EUR 0.02 ordinary

Purchase

142

35.2800 EUR

EUR 0.02 ordinary

Purchase

138

35.4962 EUR

EUR 0.02 ordinary

Purchase

126

35.6517 EUR

EUR 0.02 ordinary

Purchase

104

35.6819 EUR

EUR 0.02 ordinary

Purchase

103

35.4400 EUR

EUR 0.02 ordinary

Purchase

97

35.9218 EUR

EUR 0.02 ordinary

Purchase

91

34.9989 EUR

EUR 0.02 ordinary

Purchase

90

35.0037 EUR

EUR 0.02 ordinary

Purchase

68

35.6741 EUR

EUR 0.02 ordinary

Purchase

58

36.2231 EUR

EUR 0.02 ordinary

Purchase

54

36.3500 EUR

EUR 0.02 ordinary

Purchase

42

35.4764 EUR

EUR 0.02 ordinary

Purchase

10

35.5600 EUR

EUR 0.02 ordinary

Purchase

1

36.1100 EUR

EUR 0.02 ordinary

Sale

18,138

35.3646 EUR

EUR 0.02 ordinary

Sale

7,729

35.7269 EUR

EUR 0.02 ordinary

Sale

5,898

35.7022 EUR

EUR 0.02 ordinary

Sale

5,473

35.3983 EUR

EUR 0.02 ordinary

Sale

4,077

36.2000 EUR

EUR 0.02 ordinary

Sale

3,585

36.1945 EUR

EUR 0.02 ordinary

Sale

1,831

35.8066 EUR

EUR 0.02 ordinary

Sale

1,125

35.6834 EUR

EUR 0.02 ordinary

Sale

1,066

36.2295 EUR

EUR 0.02 ordinary

Sale

933

35.6646 EUR

EUR 0.02 ordinary

Sale

632

35.3229 EUR

EUR 0.02 ordinary

Sale

598

35.5252 EUR

EUR 0.02 ordinary

Sale

562

35.4938 EUR

EUR 0.02 ordinary

Sale

558

35.8811 EUR

EUR 0.02 ordinary

Sale

545

35.4992 EUR

EUR 0.02 ordinary

Sale

502

35.4812 EUR

EUR 0.02 ordinary

Sale

427

35.4643 EUR

EUR 0.02 ordinary

Sale

334

35.9353 EUR

EUR 0.02 ordinary

Sale

297

34.9917 EUR

EUR 0.02 ordinary

Sale

288

35.7384 EUR

EUR 0.02 ordinary

Sale

244

35.5034 EUR

EUR 0.02 ordinary

Sale

235

35.5994 EUR

EUR 0.02 ordinary

Sale

206

35.4400 EUR

EUR 0.02 ordinary

Sale

192

35.7746 EUR

EUR 0.02 ordinary

Sale

190

35.7360 EUR

EUR 0.02 ordinary

Sale

152

35.4393 EUR

EUR 0.02 ordinary

Sale

131

36.1600 EUR

EUR 0.02 ordinary

Sale

108

36.3500 EUR

EUR 0.02 ordinary

Sale

103

35.3300 EUR

EUR 0.02 ordinary

Sale

69

35.4962 EUR

EUR 0.02 ordinary

Sale

56

36.3000 EUR

EUR 0.02 ordinary

Sale

49

35.9389 EUR

EUR 0.02 ordinary

Sale

42

35.4800 EUR

EUR 0.02 ordinary

Sale

34

35.6741 EUR

EUR 0.02 ordinary

Sale

17

35.3200 EUR

EUR 0.02 ordinary

Sale

2

36.1100 EUR

EUR 0.02 ordinary

Sale

1

35.3410 EUR

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

EUR 0.02 ordinary

SWAP

Increasing Short

97

35.9218 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

22

35.7090 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

9,935

35.3682 EUR

EUR 0.02 ordinary

CFD

Increasing Short

104

35.6819 EUR

EUR 0.02 ordinary

SWAP

Opening Short

8,405

36.2000 EUR

EUR 0.02 ordinary

SWAP

Closing Long

228

36.0789 EUR

EUR 0.02 ordinary

SWAP

Increasing Long

1,622

36.1945 EUR

EUR 0.02 ordinary

SWAP

Increasing Long

1,963

36.1945 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

58

36.2230 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

244

35.5034 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

288

35.7384 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

180

36.2118 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

279

35.8811 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

103

35.3300 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

56

36.3000 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

98

36.1600 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

1,363

35.9598 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

8,387

35.7840 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

147

35.5200 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

5,473

35.3983 EUR

(c)

Stock-settled derivative transactions (including options)

(i)

Writing, selling, purchasing or varying

Class

Product

Writing,

Number

Exercise

Type

Expiry

Option

of

description

purchasing,

of

price

date

money

relevant

selling,

securities

per unit

paid/

security

varying etc

to which

received

option

per unit

relates

(ii)

Exercise

Class of relevant

Product description

Exercising/ exercised against

Number of

Exercise price per

security

securities

unit

(d)

Other dealings (including subscribing for new securities)

Class of relevant

Nature of Dealings

Details

Price per unit (if

security

applicable)

4.

OTHER INFORMATION

(a)

Indemnity and other dealings arrangements

Details of any indemnity or option arrangement, or any agreement or understanding,

formal or informal, relating to relevant securities which may be an inducement to deal

or refrain from dealing entered into by the exempt principal trader making the disclosure and any party

to the offer or any person acting in concert with a party to the offer:

NONE

(b)

Agreements, arrangements or understandings relating to options or derivatives

Details of any agreement, arrangement or understanding, formal or informal, between

the person making the disclosure and any other person relating to:

(i) the voting rights of any relevant securities under any option; or

(ii) the voting rights of future acquisition or disposal of any relevant securities to which

any derivative is referenced:

NONE

(c)

Attachments

Is a Supplemental Form 8 (Open Positions) attached?

NO

Date of disclosure:

15 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213