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:

16 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:

781,182

2.18%

127,156

0.36%

(2)

Cash-settled derivatives:

131,407

0.37%

771,554

2.16%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

912,589

2.55%

898,710

2.51%

(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

27,610

35.7260 EUR

EUR 0.02 ordinary

Purchase

22,687

35.6800 EUR

EUR 0.02 ordinary

Purchase

22,511

35.8443 EUR

EUR 0.02 ordinary

Purchase

6,754

35.8053 EUR

EUR 0.02 ordinary

Purchase

4,944

35.6096 EUR

EUR 0.02 ordinary

Purchase

4,838

35.6812 EUR

EUR 0.02 ordinary

Purchase

2,373

35.8080 EUR

EUR 0.02 ordinary

Purchase

1,651

35.6814 EUR

EUR 0.02 ordinary

Purchase

1,591

35.6681 EUR

EUR 0.02 ordinary

Purchase

1,350

35.4178 EUR

EUR 0.02 ordinary

Purchase

1,178

35.3996 EUR

EUR 0.02 ordinary

Purchase

967

35.6947 EUR

EUR 0.02 ordinary

Purchase

922

35.3761 EUR

EUR 0.02 ordinary

Purchase

705

35.6909 EUR

EUR 0.02 ordinary

Purchase

600

35.6750 EUR

EUR 0.02 ordinary

Purchase

594

36.0921 EUR

EUR 0.02 ordinary

Purchase

513

36.0561 EUR

EUR 0.02 ordinary

Purchase

459

35.7200 EUR

EUR 0.02 ordinary

Purchase

449

35.4200 EUR

EUR 0.02 ordinary

Purchase

378

36.3208 EUR

EUR 0.02 ordinary

Purchase

349

35.7661 EUR

EUR 0.02 ordinary

Purchase

349

35.7649 EUR

EUR 0.02 ordinary

Purchase

282

36.3400 EUR

EUR 0.02 ordinary

Purchase

178

35.4600 EUR

EUR 0.02 ordinary

Purchase

173

35.9200 EUR

EUR 0.02 ordinary

Purchase

171

36.1309 EUR

EUR 0.02 ordinary

Purchase

170

35.6188 EUR

EUR 0.02 ordinary

Purchase

166

36.0137 EUR

EUR 0.02 ordinary

Purchase

130

35.3000 EUR

EUR 0.02 ordinary

Purchase

126

36.0928 EUR

EUR 0.02 ordinary

Purchase

118

35.4008 EUR

EUR 0.02 ordinary

Purchase

105

35.6956 EUR

EUR 0.02 ordinary

Purchase

83

36.2400 EUR

EUR 0.02 ordinary

Purchase

82

36.3200 EUR

EUR 0.02 ordinary

Purchase

80

35.7970 EUR

EUR 0.02 ordinary

Purchase

69

36.1600 EUR

EUR 0.02 ordinary

Purchase

66

35.9800 EUR

EUR 0.02 ordinary

Purchase

60

35.5748 EUR

EUR 0.02 ordinary

Purchase

55

36.0000 EUR

EUR 0.02 ordinary

Purchase

54

36.2133 EUR

EUR 0.02 ordinary

Purchase

52

35.9011 EUR

EUR 0.02 ordinary

Purchase

50

35.4400 EUR

EUR 0.02 ordinary

Purchase

50

35.8000 EUR

EUR 0.02 ordinary

Purchase

49

35.6200 EUR

EUR 0.02 ordinary

Purchase

46

35.3800 EUR

EUR 0.02 ordinary

Purchase

46

35.8655 EUR

EUR 0.02 ordinary

Purchase

45

35.8400 EUR

EUR 0.02 ordinary

Purchase

44

35.2400 EUR

EUR 0.02 ordinary

Purchase

40

36.0400 EUR

EUR 0.02 ordinary

Purchase

30

36.1000 EUR

EUR 0.02 ordinary

Purchase

29

35.9000 EUR

EUR 0.02 ordinary

Purchase

27

35.7000 EUR

EUR 0.02 ordinary

Purchase

26

35.8800 EUR

EUR 0.02 ordinary

Purchase

25

35.2200 EUR

EUR 0.02 ordinary

Purchase

25

35.8600 EUR

EUR 0.02 ordinary

Purchase

24

35.7400 EUR

EUR 0.02 ordinary

Purchase

24

36.0200 EUR

EUR 0.02 ordinary

Purchase

24

35.3200 EUR

EUR 0.02 ordinary

Purchase

24

36.0600 EUR

EUR 0.02 ordinary

Purchase

23

36.2600 EUR

EUR 0.02 ordinary

Purchase

23

35.5000 EUR

EUR 0.02 ordinary

Purchase

23

36.3000 EUR

EUR 0.02 ordinary

Purchase

22

35.9400 EUR

EUR 0.02 ordinary

Purchase

22

36.1200 EUR

EUR 0.02 ordinary

Purchase

22

35.2800 EUR

EUR 0.02 ordinary

Purchase

22

35.4800 EUR

EUR 0.02 ordinary

Purchase

21

35.3400 EUR

EUR 0.02 ordinary

Purchase

21

35.9942 EUR

EUR 0.02 ordinary

Purchase

20

35.6600 EUR

EUR 0.02 ordinary

Purchase

18

35.9600 EUR

EUR 0.02 ordinary

Purchase

6

36.2800 EUR

EUR 0.02 ordinary

Purchase

5

36.0800 EUR

EUR 0.02 ordinary

Purchase

2

36.3600 EUR

EUR 0.02 ordinary

Sale

18,849

35.6800 EUR

EUR 0.02 ordinary

Sale

13,805

35.7260 EUR

EUR 0.02 ordinary

Sale

13,508

35.8053 EUR

EUR 0.02 ordinary

Sale

10,040

35.7421 EUR

EUR 0.02 ordinary

Sale

5,032

35.8943 EUR

EUR 0.02 ordinary

Sale

2,875

35.7920 EUR

EUR 0.02 ordinary

Sale

1,934

35.6947 EUR

EUR 0.02 ordinary

Sale

1,410

35.6909 EUR

EUR 0.02 ordinary

Sale

1,211

35.6871 EUR

EUR 0.02 ordinary

Sale

1,183

35.7473 EUR

EUR 0.02 ordinary

Sale

914

35.7200 EUR

EUR 0.02 ordinary

Sale

849

35.4200 EUR

EUR 0.02 ordinary

Sale

748

35.8754 EUR

EUR 0.02 ordinary

Sale

698

35.7649 EUR

EUR 0.02 ordinary

Sale

675

35.4178 EUR

EUR 0.02 ordinary

Sale

393

36.1104 EUR

EUR 0.02 ordinary

Sale

340

35.6188 EUR

EUR 0.02 ordinary

Sale

264

35.4078 EUR

EUR 0.02 ordinary

Sale

243

35.9032 EUR

EUR 0.02 ordinary

Sale

189

36.3208 EUR

EUR 0.02 ordinary

Sale

167

36.1663 EUR

EUR 0.02 ordinary

Sale

141

36.3400 EUR

EUR 0.02 ordinary

Sale

111

35.9200 EUR

EUR 0.02 ordinary

Sale

83

36.2400 EUR

EUR 0.02 ordinary

Sale

69

36.1600 EUR

EUR 0.02 ordinary

Sale

55

36.0000 EUR

EUR 0.02 ordinary

Sale

50

35.8000 EUR

EUR 0.02 ordinary

Sale

50

35.4400 EUR

EUR 0.02 ordinary

Sale

49

35.6200 EUR

EUR 0.02 ordinary

Sale

46

35.3800 EUR

EUR 0.02 ordinary

Sale

45

35.8400 EUR

EUR 0.02 ordinary

Sale

44

35.3000 EUR

EUR 0.02 ordinary

Sale

44

35.2400 EUR

EUR 0.02 ordinary

Sale

40

36.0400 EUR

EUR 0.02 ordinary

Sale

34

35.9800 EUR

EUR 0.02 ordinary

Sale

30

36.1000 EUR

EUR 0.02 ordinary

Sale

29

35.9000 EUR

EUR 0.02 ordinary

Sale

27

35.7000 EUR

EUR 0.02 ordinary

Sale

26

35.8800 EUR

EUR 0.02 ordinary

Sale

25

35.2200 EUR

EUR 0.02 ordinary

Sale

25

35.8600 EUR

EUR 0.02 ordinary

Sale

24

35.7400 EUR

EUR 0.02 ordinary

Sale

24

36.0600 EUR

EUR 0.02 ordinary

Sale

24

36.0200 EUR

EUR 0.02 ordinary

Sale

24

35.3200 EUR

EUR 0.02 ordinary

Sale

23

36.2600 EUR

EUR 0.02 ordinary

Sale

23

36.3000 EUR

EUR 0.02 ordinary

Sale

23

35.5000 EUR

EUR 0.02 ordinary

Sale

22

35.4800 EUR

EUR 0.02 ordinary

Sale

22

35.2800 EUR

EUR 0.02 ordinary

Sale

22

35.9400 EUR

EUR 0.02 ordinary

Sale

22

36.1200 EUR

EUR 0.02 ordinary

Sale

21

35.3400 EUR

EUR 0.02 ordinary

Sale

20

35.6600 EUR

EUR 0.02 ordinary

Sale

19

35.4300 EUR

EUR 0.02 ordinary

Sale

18

35.7255 EUR

EUR 0.02 ordinary

Sale

18

35.9600 EUR

EUR 0.02 ordinary

Sale

10

35.8780 EUR

EUR 0.02 ordinary

Sale

6

36.2800 EUR

EUR 0.02 ordinary

Sale

6

35.7011 EUR

EUR 0.02 ordinary

Sale

5

36.0800 EUR

EUR 0.02 ordinary

Sale

2

36.3600 EUR

EUR 0.02 ordinary

Sale

1

36.3200 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

80

35.7969 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3,781

36.7958 EUR

EUR 0.02 ordinary

CFD

Decreasing Long

4,028

35.5944 EUR

EUR 0.02 ordinary

CFD

Increasing Short

189

36.3237 EUR

EUR 0.02 ordinary

CFD

Increasing Short

21

35.9942 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3,838

35.6800 EUR

EUR 0.02 ordinary

SWAP

Increasing Long

400

35.4111 EUR

EUR 0.02 ordinary

SWAP

Decreasing Long

1,591

35.6681 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,651

35.6814 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

118

35.4008 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

17,376

36.7664 EUR

EUR 0.02 ordinary

CFD

Decreasing Long

52

35.9011 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

8,881

35.7770 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

4,838

35.6812 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

60

35.5747 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

91

36.3934 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

22,511

35.8443 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

431

35.9631 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

470

35.8097 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

180

36.1290 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

170

35.6188 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

32

35.9800 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

19

35.4300 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

748

35.8754 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

922

35.3761 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

4,944

35.6095 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

5,032

35.8943 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

171

36.1308 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

167

36.1663 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:

17 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213