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:

01 Jul 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:

859,795

2.40%

109,681

0.31%

(2)

Cash-settled derivatives:

121,929

0.34%

858,574

2.40%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

981,724

2.75%

968,255

2.71%

(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

9,198

32.7600 EUR

EUR 0.02 ordinary

Purchase

6,210

32.7597 EUR

EUR 0.02 ordinary

Purchase

5,015

32.6144 EUR

EUR 0.02 ordinary

Purchase

3,682

32.6957 EUR

EUR 0.02 ordinary

Purchase

3,484

32.5702 EUR

EUR 0.02 ordinary

Purchase

2,350

32.7673 EUR

EUR 0.02 ordinary

Purchase

2,229

32.7613 EUR

EUR 0.02 ordinary

Purchase

1,465

33.0165 EUR

EUR 0.02 ordinary

Purchase

1,382

32.7151 EUR

EUR 0.02 ordinary

Purchase

1,341

32.7525 EUR

EUR 0.02 ordinary

Purchase

1,318

32.7707 EUR

EUR 0.02 ordinary

Purchase

814

32.8054 EUR

EUR 0.02 ordinary

Purchase

799

32.7106 EUR

EUR 0.02 ordinary

Purchase

528

32.6491 EUR

EUR 0.02 ordinary

Purchase

498

32.6800 EUR

EUR 0.02 ordinary

Purchase

496

32.6753 EUR

EUR 0.02 ordinary

Purchase

490

32.5122 EUR

EUR 0.02 ordinary

Purchase

448

32.7516 EUR

EUR 0.02 ordinary

Purchase

405

32.7400 EUR

EUR 0.02 ordinary

Purchase

296

32.7341 EUR

EUR 0.02 ordinary

Purchase

276

32.3111 EUR

EUR 0.02 ordinary

Purchase

229

32.7837 EUR

EUR 0.02 ordinary

Purchase

216

32.5378 EUR

EUR 0.02 ordinary

Purchase

135

32.7800 EUR

EUR 0.02 ordinary

Purchase

92

32.7119 EUR

EUR 0.02 ordinary

Purchase

91

32.8800 EUR

EUR 0.02 ordinary

Purchase

83

32.7792 EUR

EUR 0.02 ordinary

Purchase

83

32.7802 EUR

EUR 0.02 ordinary

Purchase

66

32.9200 EUR

EUR 0.02 ordinary

Purchase

65

32.9800 EUR

EUR 0.02 ordinary

Purchase

50

32.4400 EUR

EUR 0.02 ordinary

Purchase

49

32.8000 EUR

EUR 0.02 ordinary

Purchase

44

32.7200 EUR

EUR 0.02 ordinary

Purchase

36

32.5000 EUR

EUR 0.02 ordinary

Purchase

34

32.3400 EUR

EUR 0.02 ordinary

Purchase

34

32.2200 EUR

EUR 0.02 ordinary

Purchase

28

32.8185 EUR

EUR 0.02 ordinary

Purchase

25

32.6200 EUR

EUR 0.02 ordinary

Purchase

25

33.0400 EUR

EUR 0.02 ordinary

Purchase

24

32.9600 EUR

EUR 0.02 ordinary

Purchase

24

32.8200 EUR

EUR 0.02 ordinary

Purchase

23

32.4000 EUR

EUR 0.02 ordinary

Purchase

23

32.3839 EUR

EUR 0.02 ordinary

Purchase

22

32.2800 EUR

EUR 0.02 ordinary

Purchase

22

32.6000 EUR

EUR 0.02 ordinary

Purchase

21

32.3000 EUR

EUR 0.02 ordinary

Purchase

21

32.1800 EUR

EUR 0.02 ordinary

Purchase

12

32.5800 EUR

EUR 0.02 ordinary

Purchase

12

32.4800 EUR

EUR 0.02 ordinary

Purchase

9

32.6400 EUR

EUR 0.02 ordinary

Purchase

1

32.9400 EUR

EUR 0.02 ordinary

Sale

7,421

32.7600 EUR

EUR 0.02 ordinary

Sale

6,968

32.5702 EUR

EUR 0.02 ordinary

Sale

4,880

32.6560 EUR

EUR 0.02 ordinary

Sale

3,105

32.7597 EUR

EUR 0.02 ordinary

Sale

2,833

33.0110 EUR

EUR 0.02 ordinary

Sale

1,382

32.7151 EUR

EUR 0.02 ordinary

Sale

1,068

32.7580 EUR

EUR 0.02 ordinary

Sale

1,056

32.6491 EUR

EUR 0.02 ordinary

Sale

992

32.7586 EUR

EUR 0.02 ordinary

Sale

808

32.9536 EUR

EUR 0.02 ordinary

Sale

702

32.8031 EUR

EUR 0.02 ordinary

Sale

693

32.6633 EUR

EUR 0.02 ordinary

Sale

659

32.7707 EUR

EUR 0.02 ordinary

Sale

596

32.7340 EUR

EUR 0.02 ordinary

Sale

596

32.5922 EUR

EUR 0.02 ordinary

Sale

512

32.7539 EUR

EUR 0.02 ordinary

Sale

454

32.6213 EUR

EUR 0.02 ordinary

Sale

432

32.5378 EUR

EUR 0.02 ordinary

Sale

424

32.7909 EUR

EUR 0.02 ordinary

Sale

390

32.6043 EUR

EUR 0.02 ordinary

Sale

363

32.7082 EUR

EUR 0.02 ordinary

Sale

330

32.7665 EUR

EUR 0.02 ordinary

Sale

248

32.6753 EUR

EUR 0.02 ordinary

Sale

236

32.7837 EUR

EUR 0.02 ordinary

Sale

212

33.0200 EUR

EUR 0.02 ordinary

Sale

192

32.6276 EUR

EUR 0.02 ordinary

Sale

186

32.9000 EUR

EUR 0.02 ordinary

Sale

183

32.6800 EUR

EUR 0.02 ordinary

Sale

173

32.8000 EUR

EUR 0.02 ordinary

Sale

168

32.8800 EUR

EUR 0.02 ordinary

Sale

148

32.7341 EUR

EUR 0.02 ordinary

Sale

135

32.7800 EUR

EUR 0.02 ordinary

Sale

97

33.1000 EUR

EUR 0.02 ordinary

Sale

74

32.5456 EUR

EUR 0.02 ordinary

Sale

66

32.9200 EUR

EUR 0.02 ordinary

Sale

65

32.9800 EUR

EUR 0.02 ordinary

Sale

63

32.7400 EUR

EUR 0.02 ordinary

Sale

50

32.4400 EUR

EUR 0.02 ordinary

Sale

48

33.0400 EUR

EUR 0.02 ordinary

Sale

44

32.7200 EUR

EUR 0.02 ordinary

Sale

36

32.5000 EUR

EUR 0.02 ordinary

Sale

35

32.7409 EUR

EUR 0.02 ordinary

Sale

34

32.2200 EUR

EUR 0.02 ordinary

Sale

34

32.7888 EUR

EUR 0.02 ordinary

Sale

34

32.3400 EUR

EUR 0.02 ordinary

Sale

25

32.6200 EUR

EUR 0.02 ordinary

Sale

24

32.8200 EUR

EUR 0.02 ordinary

Sale

24

32.9600 EUR

EUR 0.02 ordinary

Sale

23

32.4000 EUR

EUR 0.02 ordinary

Sale

22

32.6000 EUR

EUR 0.02 ordinary

Sale

22

32.2800 EUR

EUR 0.02 ordinary

Sale

21

32.1800 EUR

EUR 0.02 ordinary

Sale

21

32.3000 EUR

EUR 0.02 ordinary

Sale

12

32.4800 EUR

EUR 0.02 ordinary

Sale

12

32.5800 EUR

EUR 0.02 ordinary

Sale

9

32.6400 EUR

EUR 0.02 ordinary

Sale

1

32.9400 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

72

32.7308 EUR

EUR 0.02 ordinary

CFD

Increasing Short

476

32.7609 EUR

EUR 0.02 ordinary

CFD

Increasing Short

2,631

32.7579 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

4,228

32.5758 EUR

EUR 0.02 ordinary

CFD

Increasing Short

28

32.8185 EUR

EUR 0.02 ordinary

CFD

Increasing Short

1,115

32.7579 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

1,068

32.7580 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

23

32.3840 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

5,015

32.6144 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,159

32.7525 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

182

32.7525 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3

32.9133 EUR

EUR 0.02 ordinary

CFD

Increasing Short

3

32.5433 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

702

32.8031 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

2,229

32.7613 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

34

32.7888 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,770

32.7600 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

1,492

32.9882 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

148

32.7341 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

77

32.8800 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

808

32.9536 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

186

32.9000 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3,682

32.6957 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

4,880

32.6560 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:

02 Jul 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213