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 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:

927,662

2.58%

110,156

0.31%

(2)

Cash-settled derivatives:

114,400

0.32%

913,540

2.54%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

1,042,062

2.90%

1,023,696

2.85%

(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

6,903

31.0782 EUR

EUR 0.02 ordinary

Purchase

4,878

30.7298 EUR

EUR 0.02 ordinary

Purchase

4,725

30.8200 EUR

EUR 0.02 ordinary

Purchase

3,000

31.3289 EUR

EUR 0.02 ordinary

Purchase

2,242

30.8212 EUR

EUR 0.02 ordinary

Purchase

2,231

30.8210 EUR

EUR 0.02 ordinary

Purchase

1,802

30.8168 EUR

EUR 0.02 ordinary

Purchase

1,781

30.9172 EUR

EUR 0.02 ordinary

Purchase

1,326

31.0140 EUR

EUR 0.02 ordinary

Purchase

1,313

31.4332 EUR

EUR 0.02 ordinary

Purchase

1,245

31.1198 EUR

EUR 0.02 ordinary

Purchase

1,240

30.6561 EUR

EUR 0.02 ordinary

Purchase

1,151

30.8284 EUR

EUR 0.02 ordinary

Purchase

1,052

30.9317 EUR

EUR 0.02 ordinary

Purchase

959

30.8093 EUR

EUR 0.02 ordinary

Purchase

562

31.0004 EUR

EUR 0.02 ordinary

Purchase

448

31.5292 EUR

EUR 0.02 ordinary

Purchase

369

32.1952 EUR

EUR 0.02 ordinary

Purchase

361

31.6000 EUR

EUR 0.02 ordinary

Purchase

197

30.6310 EUR

EUR 0.02 ordinary

Purchase

176

32.2500 EUR

EUR 0.02 ordinary

Purchase

118

30.5818 EUR

EUR 0.02 ordinary

Purchase

104

30.5700 EUR

EUR 0.02 ordinary

Purchase

72

30.7733 EUR

EUR 0.02 ordinary

Purchase

71

32.2000 EUR

EUR 0.02 ordinary

Purchase

55

30.7800 EUR

EUR 0.02 ordinary

Purchase

48

31.1000 EUR

EUR 0.02 ordinary

Purchase

28

32.0000 EUR

EUR 0.02 ordinary

Purchase

13

30.6492 EUR

EUR 0.02 ordinary

Purchase

3

30.9866 EUR

EUR 0.02 ordinary

Sale

22,626

30.9548 EUR

EUR 0.02 ordinary

Sale

6,903

31.0782 EUR

EUR 0.02 ordinary

Sale

4,736

31.1786 EUR

EUR 0.02 ordinary

Sale

4,614

30.8200 EUR

EUR 0.02 ordinary

Sale

4,360

30.8181 EUR

EUR 0.02 ordinary

Sale

3,604

30.8168 EUR

EUR 0.02 ordinary

Sale

2,626

31.4332 EUR

EUR 0.02 ordinary

Sale

2,187

30.8261 EUR

EUR 0.02 ordinary

Sale

1,345

31.0138 EUR

EUR 0.02 ordinary

Sale

1,290

30.6046 EUR

EUR 0.02 ordinary

Sale

1,245

31.1198 EUR

EUR 0.02 ordinary

Sale

544

31.0150 EUR

EUR 0.02 ordinary

Sale

528

30.8267 EUR

EUR 0.02 ordinary

Sale

517

31.1184 EUR

EUR 0.02 ordinary

Sale

423

31.0558 EUR

EUR 0.02 ordinary

Sale

395

31.1724 EUR

EUR 0.02 ordinary

Sale

354

30.8176 EUR

EUR 0.02 ordinary

Sale

273

30.7800 EUR

EUR 0.02 ordinary

Sale

254

30.5600 EUR

EUR 0.02 ordinary

Sale

118

30.5818 EUR

EUR 0.02 ordinary

Sale

224

31.5292 EUR

EUR 0.02 ordinary

Sale

197

30.6800 EUR

EUR 0.02 ordinary

Sale

197

30.6310 EUR

EUR 0.02 ordinary

Sale

176

32.2500 EUR

EUR 0.02 ordinary

Sale

146

32.0000 EUR

EUR 0.02 ordinary

Sale

134

31.9000 EUR

EUR 0.02 ordinary

Sale

120

31.9100 EUR

EUR 0.02 ordinary

Sale

113

31.6000 EUR

EUR 0.02 ordinary

Sale

104

30.5700 EUR

EUR 0.02 ordinary

Sale

55

30.7809 EUR

EUR 0.02 ordinary

Sale

37

31.3896 EUR

EUR 0.02 ordinary

Sale

24

31.1000 EUR

EUR 0.02 ordinary

Sale

18

30.8755 EUR

EUR 0.02 ordinary

Sale

7

30.8867 EUR

EUR 0.02 ordinary

Sale

2

30.6200 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

423

31.0558 EUR

EUR 0.02 ordinary

CFD

Increasing Short

100

32.1800 EUR

EUR 0.02 ordinary

CFD

Increasing Short

113

31.6025 EUR

EUR 0.02 ordinary

CFD

Closing Short

73

31.4332 EUR

EUR 0.02 ordinary

CFD

Opening Long

1,240

31.4332 EUR

EUR 0.02 ordinary

CFD

Increasing Short

3

30.9866 EUR

EUR 0.02 ordinary

SWAP

Increasing Long

108

30.5575 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

4,360

30.8181 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

2,242

30.8212 EUR

EUR 0.02 ordinary

SWAP

Opening Long

1,873

30.9580 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

307

30.9998 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

1,812

30.8143 EUR

EUR 0.02 ordinary

CFD

Closing Long

1,240

30.6561 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

18

30.8755 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

7

30.8867 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

4,878

30.7298 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

72

30.7733 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

517

31.1184 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

2,231

30.8210 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

24

31.1000 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

27

32.0000 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

254

31.9047 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

224

31.5292 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

135

31.6000 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

218

30.7800 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

197

30.6800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,781

30.9172 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

22,626

30.9548 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 Jul 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213