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:

22 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:

1,001,244

2.78%

121,263

0.34%

(2)

Cash-settled derivatives:

122,731

0.34%

981,297

2.73%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

1,123,975

3.12%

1,102,560

3.06%

(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

45,460

28.0319 EUR

EUR 0.02 ordinary

Purchase

19,929

28.0352 EUR

EUR 0.02 ordinary

Purchase

15,612

27.8235 EUR

EUR 0.02 ordinary

Purchase

8,669

28.0431 EUR

EUR 0.02 ordinary

Purchase

7,137

28.0534 EUR

EUR 0.02 ordinary

Purchase

5,386

28.0452 EUR

EUR 0.02 ordinary

Purchase

5,192

28.0536 EUR

EUR 0.02 ordinary

Purchase

5,103

28.0045 EUR

EUR 0.02 ordinary

Purchase

2,767

27.6800 EUR

EUR 0.02 ordinary

Purchase

1,888

27.7604 EUR

EUR 0.02 ordinary

Purchase

1,864

28.1955 EUR

EUR 0.02 ordinary

Purchase

1,502

28.0282 EUR

EUR 0.02 ordinary

Purchase

1,389

28.1083 EUR

EUR 0.02 ordinary

Purchase

1,296

27.7289 EUR

EUR 0.02 ordinary

Purchase

1,196

28.0384 EUR

EUR 0.02 ordinary

Purchase

1,022

28.1059 EUR

EUR 0.02 ordinary

Purchase

1,001

27.7434 EUR

EUR 0.02 ordinary

Purchase

946

28.0195 EUR

EUR 0.02 ordinary

Purchase

632

28.0846 EUR

EUR 0.02 ordinary

Purchase

508

28.0671 EUR

EUR 0.02 ordinary

Purchase

330

28.0694 EUR

EUR 0.02 ordinary

Purchase

326

27.6811 EUR

EUR 0.02 ordinary

Purchase

282

27.8100 EUR

EUR 0.02 ordinary

Purchase

270

28.1128 EUR

EUR 0.02 ordinary

Purchase

217

28.0123 EUR

EUR 0.02 ordinary

Purchase

180

28.2400 EUR

EUR 0.02 ordinary

Purchase

144

28.1225 EUR

EUR 0.02 ordinary

Purchase

90

27.9944 EUR

EUR 0.02 ordinary

Purchase

87

27.9848 EUR

EUR 0.02 ordinary

Purchase

15

28.0426 EUR

EUR 0.02 ordinary

Purchase

14

28.0428 EUR

EUR 0.02 ordinary

Purchase

9

27.6744 EUR

EUR 0.02 ordinary

Purchase

8

28.2200 EUR

EUR 0.02 ordinary

Purchase

1

28.0000 EUR

EUR 0.02 ordinary

Sale

15,237

28.0419 EUR

EUR 0.02 ordinary

Sale

14,429

28.0455 EUR

EUR 0.02 ordinary

Sale

13,445

28.0418 EUR

EUR 0.02 ordinary

Sale

10,772

28.0452 EUR

EUR 0.02 ordinary

Sale

10,348

28.0537 EUR

EUR 0.02 ordinary

Sale

9,232

27.9921 EUR

EUR 0.02 ordinary

Sale

8,669

28.0431 EUR

EUR 0.02 ordinary

Sale

7,806

27.8235 EUR

EUR 0.02 ordinary

Sale

7,218

28.0457 EUR

EUR 0.02 ordinary

Sale

5,469

27.6800 EUR

EUR 0.02 ordinary

Sale

3,776

27.7604 EUR

EUR 0.02 ordinary

Sale

2,778

28.1083 EUR

EUR 0.02 ordinary

Sale

2,368

27.9800 EUR

EUR 0.02 ordinary

Sale

1,589

28.0730 EUR

EUR 0.02 ordinary

Sale

1,504

28.0601 EUR

EUR 0.02 ordinary

Sale

1,296

27.7289 EUR

EUR 0.02 ordinary

Sale

1,196

28.0392 EUR

EUR 0.02 ordinary

Sale

1,025

27.7979 EUR

EUR 0.02 ordinary

Sale

984

28.0962 EUR

EUR 0.02 ordinary

Sale

932

28.1955 EUR

EUR 0.02 ordinary

Sale

884

28.0917 EUR

EUR 0.02 ordinary

Sale

829

28.0161 EUR

EUR 0.02 ordinary

Sale

782

28.0906 EUR

EUR 0.02 ordinary

Sale

622

28.2100 EUR

EUR 0.02 ordinary

Sale

622

28.0500 EUR

EUR 0.02 ordinary

Sale

540

28.1128 EUR

EUR 0.02 ordinary

Sale

340

28.0600 EUR

EUR 0.02 ordinary

Sale

333

27.9578 EUR

EUR 0.02 ordinary

Sale

311

28.0700 EUR

EUR 0.02 ordinary

Sale

233

28.0732 EUR

EUR 0.02 ordinary

Sale

231

27.9775 EUR

EUR 0.02 ordinary

Sale

174

27.9848 EUR

EUR 0.02 ordinary

Sale

117

28.1200 EUR

EUR 0.02 ordinary

Sale

116

28.1000 EUR

EUR 0.02 ordinary

Sale

84

28.0100 EUR

EUR 0.02 ordinary

Sale

70

27.7125 EUR

EUR 0.02 ordinary

Sale

36

28.0077 EUR

EUR 0.02 ordinary

Sale

4

28.2200 EUR

EUR 0.02 ordinary

Sale

1

28.0800 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

70

27.7125 EUR

EUR 0.02 ordinary

CFD

Increasing Short

5,473

27.6841 EUR

EUR 0.02 ordinary

CFD

Increasing Short

852

28.0534 EUR

EUR 0.02 ordinary

CFD

Increasing Short

3,410

28.1523 EUR

EUR 0.02 ordinary

CFD

Closing Short

340

28.0600 EUR

EUR 0.02 ordinary

SWAP

Increasing Long

534

28.0117 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

2,987

27.6800 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

333

27.9578 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

326

27.6811 EUR

EUR 0.02 ordinary

SWAP

Opening Long

2,090

27.9031 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

361

28.0562 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

1,441

27.6791 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

5,103

28.0045 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

15

28.0426 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

4

28.1000 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

270

28.1128 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

2

27.6800 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

317

28.0564 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,276

28.0324 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

15,237

28.0419 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,022

28.1059 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

7,137

28.0534 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:

23 Jul 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213