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:

08 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:

828,877

2.32%

123,034

0.34%

(2)

Cash-settled derivatives:

127,946

0.36%

820,147

2.29%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

956,823

2.68%

943,181

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

44,228

35.7337 EUR

EUR 0.02 ordinary

Purchase

13,177

35.7400 EUR

EUR 0.02 ordinary

Purchase

9,915

35.7370 EUR

EUR 0.02 ordinary

Purchase

2,952

35.6398 EUR

EUR 0.02 ordinary

Purchase

2,828

35.6849 EUR

EUR 0.02 ordinary

Purchase

2,393

35.6718 EUR

EUR 0.02 ordinary

Purchase

1,661

35.5349 EUR

EUR 0.02 ordinary

Purchase

1,624

35.5717 EUR

EUR 0.02 ordinary

Purchase

1,068

35.8519 EUR

EUR 0.02 ordinary

Purchase

1,064

35.6496 EUR

EUR 0.02 ordinary

Purchase

746

35.7346 EUR

EUR 0.02 ordinary

Purchase

658

35.7541 EUR

EUR 0.02 ordinary

Purchase

638

35.8845 EUR

EUR 0.02 ordinary

Purchase

603

35.4767 EUR

EUR 0.02 ordinary

Purchase

578

35.6992 EUR

EUR 0.02 ordinary

Purchase

391

35.7800 EUR

EUR 0.02 ordinary

Purchase

358

35.4200 EUR

EUR 0.02 ordinary

Purchase

308

35.8400 EUR

EUR 0.02 ordinary

Purchase

198

35.7000 EUR

EUR 0.02 ordinary

Purchase

166

35.4400 EUR

EUR 0.02 ordinary

Purchase

161

35.5400 EUR

EUR 0.02 ordinary

Purchase

154

35.5800 EUR

EUR 0.02 ordinary

Purchase

152

35.7636 EUR

EUR 0.02 ordinary

Purchase

150

35.6000 EUR

EUR 0.02 ordinary

Purchase

131

35.8200 EUR

EUR 0.02 ordinary

Purchase

124

35.3903 EUR

EUR 0.02 ordinary

Purchase

117

35.6400 EUR

EUR 0.02 ordinary

Purchase

110

35.3800 EUR

EUR 0.02 ordinary

Purchase

107

35.7228 EUR

EUR 0.02 ordinary

Purchase

107

35.6600 EUR

EUR 0.02 ordinary

Purchase

88

35.3000 EUR

EUR 0.02 ordinary

Purchase

88

35.7600 EUR

EUR 0.02 ordinary

Purchase

85

35.4000 EUR

EUR 0.02 ordinary

Purchase

79

35.7797 EUR

EUR 0.02 ordinary

Purchase

68

35.4600 EUR

EUR 0.02 ordinary

Purchase

68

35.8000 EUR

EUR 0.02 ordinary

Purchase

66

35.6800 EUR

EUR 0.02 ordinary

Purchase

59

35.6149 EUR

EUR 0.02 ordinary

Purchase

48

35.6200 EUR

EUR 0.02 ordinary

Purchase

46

35.5600 EUR

EUR 0.02 ordinary

Purchase

44

35.7300 EUR

EUR 0.02 ordinary

Purchase

43

35.9000 EUR

EUR 0.02 ordinary

Purchase

43

35.9800 EUR

EUR 0.02 ordinary

Purchase

43

35.7200 EUR

EUR 0.02 ordinary

Purchase

33

35.4800 EUR

EUR 0.02 ordinary

Purchase

28

35.8600 EUR

EUR 0.02 ordinary

Purchase

24

35.5200 EUR

EUR 0.02 ordinary

Purchase

22

35.9200 EUR

EUR 0.02 ordinary

Purchase

21

35.6100 EUR

EUR 0.02 ordinary

Purchase

19

35.3189 EUR

EUR 0.02 ordinary

Purchase

17

35.7741 EUR

EUR 0.02 ordinary

Purchase

16

35.5568 EUR

EUR 0.02 ordinary

Purchase

1

36.0400 EUR

EUR 0.02 ordinary

Sale

22,114

35.7337 EUR

EUR 0.02 ordinary

Sale

19,037

35.7263 EUR

EUR 0.02 ordinary

Sale

14,892

35.6474 EUR

EUR 0.02 ordinary

Sale

9,915

35.7370 EUR

EUR 0.02 ordinary

Sale

9,663

35.7396 EUR

EUR 0.02 ordinary

Sale

7,496

35.7400 EUR

EUR 0.02 ordinary

Sale

6,792

35.7232 EUR

EUR 0.02 ordinary

Sale

3,322

35.5349 EUR

EUR 0.02 ordinary

Sale

2,288

35.6157 EUR

EUR 0.02 ordinary

Sale

1,151

35.6572 EUR

EUR 0.02 ordinary

Sale

876

35.7288 EUR

EUR 0.02 ordinary

Sale

674

35.4200 EUR

EUR 0.02 ordinary

Sale

576

35.7233 EUR

EUR 0.02 ordinary

Sale

534

35.8519 EUR

EUR 0.02 ordinary

Sale

333

35.7081 EUR

EUR 0.02 ordinary

Sale

329

35.7541 EUR

EUR 0.02 ordinary

Sale

319

35.8845 EUR

EUR 0.02 ordinary

Sale

289

35.6992 EUR

EUR 0.02 ordinary

Sale

252

35.6344 EUR

EUR 0.02 ordinary

Sale

248

35.3903 EUR

EUR 0.02 ordinary

Sale

215

35.7800 EUR

EUR 0.02 ordinary

Sale

198

35.8400 EUR

EUR 0.02 ordinary

Sale

198

35.7000 EUR

EUR 0.02 ordinary

Sale

154

35.5800 EUR

EUR 0.02 ordinary

Sale

136

35.5972 EUR

EUR 0.02 ordinary

Sale

131

35.8200 EUR

EUR 0.02 ordinary

Sale

121

35.7300 EUR

EUR 0.02 ordinary

Sale

117

35.6400 EUR

EUR 0.02 ordinary

Sale

110

35.3800 EUR

EUR 0.02 ordinary

Sale

109

35.7956 EUR

EUR 0.02 ordinary

Sale

107

35.6082 EUR

EUR 0.02 ordinary

Sale

107

35.6600 EUR

EUR 0.02 ordinary

Sale

102

35.6000 EUR

EUR 0.02 ordinary

Sale

88

35.7600 EUR

EUR 0.02 ordinary

Sale

86

35.5400 EUR

EUR 0.02 ordinary

Sale

83

35.4400 EUR

EUR 0.02 ordinary

Sale

76

35.7636 EUR

EUR 0.02 ordinary

Sale

68

35.4600 EUR

EUR 0.02 ordinary

Sale

68

35.8000 EUR

EUR 0.02 ordinary

Sale

66

35.6800 EUR

EUR 0.02 ordinary

Sale

64

35.7495 EUR

EUR 0.02 ordinary

Sale

48

35.6200 EUR

EUR 0.02 ordinary

Sale

46

35.5600 EUR

EUR 0.02 ordinary

Sale

43

35.7200 EUR

EUR 0.02 ordinary

Sale

43

35.9800 EUR

EUR 0.02 ordinary

Sale

42

35.6100 EUR

EUR 0.02 ordinary

Sale

35

35.6577 EUR

EUR 0.02 ordinary

Sale

33

35.4800 EUR

EUR 0.02 ordinary

Sale

25

35.8600 EUR

EUR 0.02 ordinary

Sale

24

35.5200 EUR

EUR 0.02 ordinary

Sale

23

35.6660 EUR

EUR 0.02 ordinary

Sale

22

35.9000 EUR

EUR 0.02 ordinary

Sale

22

35.9200 EUR

EUR 0.02 ordinary

Sale

19

35.3200 EUR

EUR 0.02 ordinary

Sale

1

35.7789 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 Long

30

35.7333 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

64

35.7495 EUR

EUR 0.02 ordinary

CFD

Increasing Short

56

35.7296 EUR

EUR 0.02 ordinary

CFD

Increasing Short

710

35.8369 EUR

EUR 0.02 ordinary

CFD

Increasing Short

107

35.7228 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

1

35.7800 EUR

EUR 0.02 ordinary

SWAP

Opening Long

3,214

35.7345 EUR

EUR 0.02 ordinary

SWAP

Closing Long

10

35.7400 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

15

35.7300 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

1,977

35.5136 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

35

35.6577 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

124

35.3903 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

88

35.3000 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

42

35.6700 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

329

35.7541 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

38

35.6000 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

603

35.4766 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

201

35.7655 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

154

35.6629 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

333

35.7081 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

14,892

35.6474 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

2,828

35.6849 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:

09 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213