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:

08 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:

912,662

2.55%

108,259

0.30%

(2)

Cash-settled derivatives:

113,979

0.32%

898,923

2.51%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

1,026,641

2.87%

1,007,182

2.82%

(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

9,012

31.8155 EUR

EUR 0.02 ordinary

Purchase

8,430

31.6815 EUR

EUR 0.02 ordinary

Purchase

8,174

31.8348 EUR

EUR 0.02 ordinary

Purchase

5,084

31.6000 EUR

EUR 0.02 ordinary

Purchase

4,842

31.8829 EUR

EUR 0.02 ordinary

Purchase

2,329

31.6018 EUR

EUR 0.02 ordinary

Purchase

2,138

31.8548 EUR

EUR 0.02 ordinary

Purchase

1,824

31.9171 EUR

EUR 0.02 ordinary

Purchase

1,782

31.9079 EUR

EUR 0.02 ordinary

Purchase

1,480

31.9331 EUR

EUR 0.02 ordinary

Purchase

1,355

31.9233 EUR

EUR 0.02 ordinary

Purchase

1,307

31.8014 EUR

EUR 0.02 ordinary

Purchase

497

31.9707 EUR

EUR 0.02 ordinary

Purchase

384

31.8418 EUR

EUR 0.02 ordinary

Purchase

352

31.9853 EUR

EUR 0.02 ordinary

Purchase

339

31.8185 EUR

EUR 0.02 ordinary

Purchase

196

32.2000 EUR

EUR 0.02 ordinary

Purchase

189

32.0862 EUR

EUR 0.02 ordinary

Purchase

184

32.2400 EUR

EUR 0.02 ordinary

Purchase

179

31.7200 EUR

EUR 0.02 ordinary

Purchase

144

31.8752 EUR

EUR 0.02 ordinary

Purchase

128

31.7400 EUR

EUR 0.02 ordinary

Purchase

123

31.9053 EUR

EUR 0.02 ordinary

Purchase

99

31.6590 EUR

EUR 0.02 ordinary

Purchase

87

31.9400 EUR

EUR 0.02 ordinary

Purchase

85

32.1200 EUR

EUR 0.02 ordinary

Purchase

41

32.0200 EUR

EUR 0.02 ordinary

Purchase

29

31.9198 EUR

EUR 0.02 ordinary

Purchase

7

31.7800 EUR

EUR 0.02 ordinary

Purchase

3

31.9200 EUR

EUR 0.02 ordinary

Sale

9,012

31.8155 EUR

EUR 0.02 ordinary

Sale

7,184

32.2267 EUR

EUR 0.02 ordinary

Sale

6,972

31.7928 EUR

EUR 0.02 ordinary

Sale

6,722

31.6000 EUR

EUR 0.02 ordinary

Sale

3,648

31.9171 EUR

EUR 0.02 ordinary

Sale

1,766

31.8357 EUR

EUR 0.02 ordinary

Sale

1,552

31.8921 EUR

EUR 0.02 ordinary

Sale

1,078

31.9089 EUR

EUR 0.02 ordinary

Sale

704

31.9784 EUR

EUR 0.02 ordinary

Sale

704

31.9853 EUR

EUR 0.02 ordinary

Sale

678

31.8185 EUR

EUR 0.02 ordinary

Sale

372

31.9449 EUR

EUR 0.02 ordinary

Sale

358

31.7200 EUR

EUR 0.02 ordinary

Sale

332

32.0159 EUR

EUR 0.02 ordinary

Sale

299

31.9991 EUR

EUR 0.02 ordinary

Sale

274

32.2625 EUR

EUR 0.02 ordinary

Sale

264

31.6795 EUR

EUR 0.02 ordinary

Sale

256

31.7400 EUR

EUR 0.02 ordinary

Sale

144

31.8762 EUR

EUR 0.02 ordinary

Sale

117

31.9267 EUR

EUR 0.02 ordinary

Sale

104

31.9200 EUR

EUR 0.02 ordinary

Sale

98

32.2000 EUR

EUR 0.02 ordinary

Sale

92

32.2400 EUR

EUR 0.02 ordinary

Sale

85

32.1200 EUR

EUR 0.02 ordinary

Sale

82

32.0200 EUR

EUR 0.02 ordinary

Sale

58

31.8300 EUR

EUR 0.02 ordinary

Sale

56

31.8507 EUR

EUR 0.02 ordinary

Sale

46

31.7800 EUR

EUR 0.02 ordinary

Sale

1

32.0500 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

Closing Short

56

31.8508 EUR

EUR 0.02 ordinary

SWAP

Opening Long

264

31.6795 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

1,509

31.6183 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

2,166

31.8991 EUR

EUR 0.02 ordinary

CFD

Increasing Short

7

31.7800 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

2,329

31.6000 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,307

31.8014 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

7,240

31.6815 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,190

31.6815 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

348

31.9483 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

2,329

31.6018 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

92

32.2400 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

58

31.8300 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

179

31.7200 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

443

31.8800 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

416

31.9787 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

384

31.8418 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

686

32.0024 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

7,184

32.2267 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

8,174

31.8348 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:

09 Jul 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213