Barclays Regulatory News (BARC)

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:

11 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:

777,328

2.17%

125,244

0.35%

(2)

Cash-settled derivatives:

132,595

0.37%

771,180

2.16%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

909,923

2.54%

896,424

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

24,324

34.1832 EUR

EUR 0.02 ordinary

Purchase

11,755

34.2150 EUR

EUR 0.02 ordinary

Purchase

7,514

34.2200 EUR

EUR 0.02 ordinary

Purchase

6,013

33.8041 EUR

EUR 0.02 ordinary

Purchase

3,936

34.1566 EUR

EUR 0.02 ordinary

Purchase

3,284

34.2149 EUR

EUR 0.02 ordinary

Purchase

1,944

33.9455 EUR

EUR 0.02 ordinary

Purchase

1,517

34.0336 EUR

EUR 0.02 ordinary

Purchase

1,098

34.2154 EUR

EUR 0.02 ordinary

Purchase

1,010

34.2431 EUR

EUR 0.02 ordinary

Purchase

954

33.7940 EUR

EUR 0.02 ordinary

Purchase

934

34.0150 EUR

EUR 0.02 ordinary

Purchase

750

34.0105 EUR

EUR 0.02 ordinary

Purchase

748

34.2027 EUR

EUR 0.02 ordinary

Purchase

526

33.7754 EUR

EUR 0.02 ordinary

Purchase

522

34.2131 EUR

EUR 0.02 ordinary

Purchase

403

33.9645 EUR

EUR 0.02 ordinary

Purchase

338

33.9862 EUR

EUR 0.02 ordinary

Purchase

337

34.0637 EUR

EUR 0.02 ordinary

Purchase

297

34.0547 EUR

EUR 0.02 ordinary

Purchase

289

33.9500 EUR

EUR 0.02 ordinary

Purchase

270

33.7682 EUR

EUR 0.02 ordinary

Purchase

253

33.9986 EUR

EUR 0.02 ordinary

Purchase

117

33.9223 EUR

EUR 0.02 ordinary

Purchase

116

33.8800 EUR

EUR 0.02 ordinary

Purchase

110

33.9000 EUR

EUR 0.02 ordinary

Purchase

100

34.2500 EUR

EUR 0.02 ordinary

Purchase

98

34.1000 EUR

EUR 0.02 ordinary

Purchase

92

33.5600 EUR

EUR 0.02 ordinary

Purchase

83

33.8900 EUR

EUR 0.02 ordinary

Purchase

76

33.8796 EUR

EUR 0.02 ordinary

Purchase

76

33.8847 EUR

EUR 0.02 ordinary

Purchase

74

34.2000 EUR

EUR 0.02 ordinary

Purchase

71

33.9400 EUR

EUR 0.02 ordinary

Purchase

69

33.9200 EUR

EUR 0.02 ordinary

Purchase

65

33.8230 EUR

EUR 0.02 ordinary

Purchase

47

34.0400 EUR

EUR 0.02 ordinary

Purchase

46

34.1800 EUR

EUR 0.02 ordinary

Purchase

46

34.0600 EUR

EUR 0.02 ordinary

Purchase

46

34.2157 EUR

EUR 0.02 ordinary

Purchase

44

34.2400 EUR

EUR 0.02 ordinary

Purchase

42

33.9800 EUR

EUR 0.02 ordinary

Purchase

33

33.8218 EUR

EUR 0.02 ordinary

Purchase

25

33.8000 EUR

EUR 0.02 ordinary

Purchase

23

33.7000 EUR

EUR 0.02 ordinary

Purchase

23

33.8200 EUR

EUR 0.02 ordinary

Purchase

22

34.1600 EUR

EUR 0.02 ordinary

Purchase

22

33.6000 EUR

EUR 0.02 ordinary

Purchase

21

33.7600 EUR

EUR 0.02 ordinary

Purchase

4

33.6800 EUR

EUR 0.02 ordinary

Purchase

3

33.8400 EUR

EUR 0.02 ordinary

Purchase

2

33.6200 EUR

EUR 0.02 ordinary

Purchase

2

33.6566 EUR

EUR 0.02 ordinary

Purchase

1

33.7166 EUR

EUR 0.02 ordinary

Purchase

1

33.7966 EUR

EUR 0.02 ordinary

Purchase

1

33.8966 EUR

EUR 0.02 ordinary

Sale

17,552

33.9858 EUR

EUR 0.02 ordinary

Sale

12,194

34.1497 EUR

EUR 0.02 ordinary

Sale

12,162

34.1832 EUR

EUR 0.02 ordinary

Sale

12,026

33.8041 EUR

EUR 0.02 ordinary

Sale

11,755

34.2150 EUR

EUR 0.02 ordinary

Sale

11,175

34.2147 EUR

EUR 0.02 ordinary

Sale

10,098

33.9838 EUR

EUR 0.02 ordinary

Sale

5,405

34.2200 EUR

EUR 0.02 ordinary

Sale

4,837

34.2188 EUR

EUR 0.02 ordinary

Sale

1,660

34.0270 EUR

EUR 0.02 ordinary

Sale

1,449

33.8957 EUR

EUR 0.02 ordinary

Sale

1,249

34.1431 EUR

EUR 0.02 ordinary

Sale

1,052

33.7754 EUR

EUR 0.02 ordinary

Sale

1,012

34.2490 EUR

EUR 0.02 ordinary

Sale

1,010

34.2500 EUR

EUR 0.02 ordinary

Sale

750

34.1200 EUR

EUR 0.02 ordinary

Sale

506

33.9986 EUR

EUR 0.02 ordinary

Sale

374

34.2027 EUR

EUR 0.02 ordinary

Sale

338

33.9862 EUR

EUR 0.02 ordinary

Sale

308

33.7100 EUR

EUR 0.02 ordinary

Sale

299

33.9396 EUR

EUR 0.02 ordinary

Sale

263

34.1600 EUR

EUR 0.02 ordinary

Sale

195

33.8200 EUR

EUR 0.02 ordinary

Sale

189

33.8800 EUR

EUR 0.02 ordinary

Sale

184

33.5600 EUR

EUR 0.02 ordinary

Sale

172

33.9400 EUR

EUR 0.02 ordinary

Sale

135

33.7682 EUR

EUR 0.02 ordinary

Sale

130

33.8230 EUR

EUR 0.02 ordinary

Sale

118

34.1000 EUR

EUR 0.02 ordinary

Sale

111

33.9000 EUR

EUR 0.02 ordinary

Sale

101

33.9229 EUR

EUR 0.02 ordinary

Sale

83

33.8900 EUR

EUR 0.02 ordinary

Sale

77

34.1903 EUR

EUR 0.02 ordinary

Sale

76

33.8796 EUR

EUR 0.02 ordinary

Sale

69

33.9200 EUR

EUR 0.02 ordinary

Sale

47

34.0400 EUR

EUR 0.02 ordinary

Sale

46

34.0600 EUR

EUR 0.02 ordinary

Sale

46

34.1800 EUR

EUR 0.02 ordinary

Sale

44

34.2400 EUR

EUR 0.02 ordinary

Sale

44

33.9143 EUR

EUR 0.02 ordinary

Sale

42

33.9800 EUR

EUR 0.02 ordinary

Sale

31

33.8898 EUR

EUR 0.02 ordinary

Sale

25

33.8000 EUR

EUR 0.02 ordinary

Sale

25

34.2000 EUR

EUR 0.02 ordinary

Sale

23

33.7600 EUR

EUR 0.02 ordinary

Sale

23

33.7000 EUR

EUR 0.02 ordinary

Sale

22

33.6000 EUR

EUR 0.02 ordinary

Sale

18

33.9016 EUR

EUR 0.02 ordinary

Sale

13

34.1498 EUR

EUR 0.02 ordinary

Sale

5

34.1489 EUR

EUR 0.02 ordinary

Sale

5

33.6800 EUR

EUR 0.02 ordinary

Sale

3

33.8400 EUR

EUR 0.02 ordinary

Sale

2

33.6200 EUR

EUR 0.02 ordinary

Sale

1

34.0800 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

200

34.2168 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

6,696

33.7960 EUR

EUR 0.02 ordinary

CFD

Increasing Short

33

33.8218 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

17,552

33.9858 EUR

EUR 0.02 ordinary

SWAP

Increasing Long

533

34.2148 EUR

EUR 0.02 ordinary

SWAP

Opening Long

1,857

34.2149 EUR

EUR 0.02 ordinary

SWAP

Increasing Long

1,527

34.2148 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

1

33.8000 EUR

EUR 0.02 ordinary

CFD

Increasing Short

374

34.2054 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

4,837

34.2188 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

253

33.9986 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

503

34.0212 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

135

33.7682 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

101

33.9400 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

540

34.0379 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

297

34.0546 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

10,098

33.9838 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3,936

34.1566 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:

12 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213