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:

23 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:

839,226

2.35%

109,656

0.31%

(2)

Cash-settled derivatives:

121,929

0.34%

835,305

2.34%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

961,155

2.69%

944,961

2.64%

(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

14,179

35.4061 EUR

EUR 0.02 ordinary

Purchase

7,300

35.8652 EUR

EUR 0.02 ordinary

Purchase

5,626

35.7294 EUR

EUR 0.02 ordinary

Purchase

4,249

35.3249 EUR

EUR 0.02 ordinary

Purchase

4,002

35.4999 EUR

EUR 0.02 ordinary

Purchase

3,982

35.5021 EUR

EUR 0.02 ordinary

Purchase

3,767

35.9421 EUR

EUR 0.02 ordinary

Purchase

2,207

35.6069 EUR

EUR 0.02 ordinary

Purchase

1,530

35.4426 EUR

EUR 0.02 ordinary

Purchase

1,439

35.9412 EUR

EUR 0.02 ordinary

Purchase

1,395

35.4351 EUR

EUR 0.02 ordinary

Purchase

1,238

35.9400 EUR

EUR 0.02 ordinary

Purchase

1,156

35.6651 EUR

EUR 0.02 ordinary

Purchase

827

35.3288 EUR

EUR 0.02 ordinary

Purchase

722

35.8398 EUR

EUR 0.02 ordinary

Purchase

557

35.3333 EUR

EUR 0.02 ordinary

Purchase

401

35.3382 EUR

EUR 0.02 ordinary

Purchase

400

35.9070 EUR

EUR 0.02 ordinary

Purchase

354

35.6576 EUR

EUR 0.02 ordinary

Purchase

294

35.4551 EUR

EUR 0.02 ordinary

Purchase

195

35.5070 EUR

EUR 0.02 ordinary

Purchase

173

35.3294 EUR

EUR 0.02 ordinary

Purchase

155

35.8200 EUR

EUR 0.02 ordinary

Purchase

135

35.5200 EUR

EUR 0.02 ordinary

Purchase

129

35.8221 EUR

EUR 0.02 ordinary

Purchase

123

35.3200 EUR

EUR 0.02 ordinary

Purchase

114

35.2200 EUR

EUR 0.02 ordinary

Purchase

112

35.6150 EUR

EUR 0.02 ordinary

Purchase

109

35.5000 EUR

EUR 0.02 ordinary

Purchase

97

35.3000 EUR

EUR 0.02 ordinary

Purchase

96

35.4828 EUR

EUR 0.02 ordinary

Purchase

95

35.7600 EUR

EUR 0.02 ordinary

Purchase

88

35.7800 EUR

EUR 0.02 ordinary

Purchase

83

35.9600 EUR

EUR 0.02 ordinary

Purchase

83

35.4390 EUR

EUR 0.02 ordinary

Purchase

73

35.0800 EUR

EUR 0.02 ordinary

Purchase

71

35.4400 EUR

EUR 0.02 ordinary

Purchase

71

35.4200 EUR

EUR 0.02 ordinary

Purchase

70

35.1400 EUR

EUR 0.02 ordinary

Purchase

68

35.8000 EUR

EUR 0.02 ordinary

Purchase

68

35.3800 EUR

EUR 0.02 ordinary

Purchase

57

35.0859 EUR

EUR 0.02 ordinary

Purchase

55

35.5400 EUR

EUR 0.02 ordinary

Purchase

50

35.5700 EUR

EUR 0.02 ordinary

Purchase

47

35.2000 EUR

EUR 0.02 ordinary

Purchase

47

35.7200 EUR

EUR 0.02 ordinary

Purchase

46

35.4600 EUR

EUR 0.02 ordinary

Purchase

45

35.4391 EUR

EUR 0.02 ordinary

Purchase

44

35.8600 EUR

EUR 0.02 ordinary

Purchase

44

35.6400 EUR

EUR 0.02 ordinary

Purchase

43

35.4420 EUR

EUR 0.02 ordinary

Purchase

43

35.4000 EUR

EUR 0.02 ordinary

Purchase

39

35.5071 EUR

EUR 0.02 ordinary

Purchase

37

35.1000 EUR

EUR 0.02 ordinary

Purchase

30

35.6540 EUR

EUR 0.02 ordinary

Purchase

25

35.9000 EUR

EUR 0.02 ordinary

Purchase

24

35.1200 EUR

EUR 0.02 ordinary

Purchase

24

35.8400 EUR

EUR 0.02 ordinary

Purchase

24

35.3600 EUR

EUR 0.02 ordinary

Purchase

24

35.6600 EUR

EUR 0.02 ordinary

Purchase

24

35.6000 EUR

EUR 0.02 ordinary

Purchase

24

35.6020 EUR

EUR 0.02 ordinary

Purchase

23

35.1600 EUR

EUR 0.02 ordinary

Purchase

22

35.9800 EUR

EUR 0.02 ordinary

Purchase

21

35.4800 EUR

EUR 0.02 ordinary

Purchase

21

35.9200 EUR

EUR 0.02 ordinary

Purchase

21

35.2800 EUR

EUR 0.02 ordinary

Purchase

16

35.5018 EUR

EUR 0.02 ordinary

Purchase

6

35.5066 EUR

EUR 0.02 ordinary

Sale

10,488

35.9400 EUR

EUR 0.02 ordinary

Sale

4,002

35.4999 EUR

EUR 0.02 ordinary

Sale

3,818

35.5952 EUR

EUR 0.02 ordinary

Sale

3,481

35.4766 EUR

EUR 0.02 ordinary

Sale

2,388

35.5637 EUR

EUR 0.02 ordinary

Sale

1,395

35.4351 EUR

EUR 0.02 ordinary

Sale

1,268

35.6607 EUR

EUR 0.02 ordinary

Sale

1,114

35.3333 EUR

EUR 0.02 ordinary

Sale

869

35.3207 EUR

EUR 0.02 ordinary

Sale

725

35.3229 EUR

EUR 0.02 ordinary

Sale

569

35.6082 EUR

EUR 0.02 ordinary

Sale

526

35.6240 EUR

EUR 0.02 ordinary

Sale

361

35.8398 EUR

EUR 0.02 ordinary

Sale

325

35.2600 EUR

EUR 0.02 ordinary

Sale

263

35.8991 EUR

EUR 0.02 ordinary

Sale

239

35.5621 EUR

EUR 0.02 ordinary

Sale

147

35.4551 EUR

EUR 0.02 ordinary

Sale

144

35.9600 EUR

EUR 0.02 ordinary

Sale

135

35.5200 EUR

EUR 0.02 ordinary

Sale

123

35.3200 EUR

EUR 0.02 ordinary

Sale

114

35.2200 EUR

EUR 0.02 ordinary

Sale

109

35.4000 EUR

EUR 0.02 ordinary

Sale

101

35.8000 EUR

EUR 0.02 ordinary

Sale

100

35.5000 EUR

EUR 0.02 ordinary

Sale

100

35.8200 EUR

EUR 0.02 ordinary

Sale

97

35.3000 EUR

EUR 0.02 ordinary

Sale

88

35.7800 EUR

EUR 0.02 ordinary

Sale

84

35.3800 EUR

EUR 0.02 ordinary

Sale

75

35.8022 EUR

EUR 0.02 ordinary

Sale

73

35.0800 EUR

EUR 0.02 ordinary

Sale

71

35.4400 EUR

EUR 0.02 ordinary

Sale

71

35.4200 EUR

EUR 0.02 ordinary

Sale

70

35.1400 EUR

EUR 0.02 ordinary

Sale

70

35.7600 EUR

EUR 0.02 ordinary

Sale

55

35.5400 EUR

EUR 0.02 ordinary

Sale

47

35.7200 EUR

EUR 0.02 ordinary

Sale

47

35.2000 EUR

EUR 0.02 ordinary

Sale

46

35.4600 EUR

EUR 0.02 ordinary

Sale

44

35.6400 EUR

EUR 0.02 ordinary

Sale

44

35.8600 EUR

EUR 0.02 ordinary

Sale

25

35.9000 EUR

EUR 0.02 ordinary

Sale

24

35.8400 EUR

EUR 0.02 ordinary

Sale

24

35.6000 EUR

EUR 0.02 ordinary

Sale

24

35.1200 EUR

EUR 0.02 ordinary

Sale

24

35.3600 EUR

EUR 0.02 ordinary

Sale

24

35.6600 EUR

EUR 0.02 ordinary

Sale

23

35.1600 EUR

EUR 0.02 ordinary

Sale

22

35.9800 EUR

EUR 0.02 ordinary

Sale

21

35.2800 EUR

EUR 0.02 ordinary

Sale

21

35.9200 EUR

EUR 0.02 ordinary

Sale

21

35.4800 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

Decreasing Short

75

35.8022 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

145

36.8160 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

557

35.3305 EUR

EUR 0.02 ordinary

CFD

Increasing Short

30

35.6540 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

173

35.3294 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,439

35.9412 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

195

35.5070 EUR

EUR 0.02 ordinary

SWAP

Opening Short

39

35.5071 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

6

35.5066 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

263

35.8991 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

232

36.7625 EUR

EUR 0.02 ordinary

CFD

Increasing Short

441

35.8356 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

83

35.4389 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

14,179

35.4061 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

5,939

35.8652 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,166

35.8652 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

195

35.8652 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

180

36.9966 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

24

35.6021 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3,100

36.8203 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

16

35.5021 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

436

35.5286 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

4

35.4421 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

207

35.4743 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

39

35.4421 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

121

35.5859 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

4,249

35.3249 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

147

35.4551 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

129

35.8221 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

923

35.5563 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

513

35.9421 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

16

35.3800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3,254

35.9421 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

61

35.9600 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

8,484

35.9400 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

202

35.9400 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

32

35.9400 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

345

35.9400 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

635

35.5865 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

923

35.3447 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:

24 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213