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:

23 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:

1,043,787

2.90%

120,953

0.34%

(2)

Cash-settled derivatives:

123,272

0.34%

1,024,656

2.85%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

1,167,059

3.24%

1,145,609

3.18%

(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

25,606

26.7800 EUR

EUR 0.02 ordinary

Purchase

16,719

26.8672 EUR

EUR 0.02 ordinary

Purchase

6,864

26.7853 EUR

EUR 0.02 ordinary

Purchase

1,858

27.0686 EUR

EUR 0.02 ordinary

Purchase

1,714

26.7809 EUR

EUR 0.02 ordinary

Purchase

1,697

26.9599 EUR

EUR 0.02 ordinary

Purchase

1,695

27.0140 EUR

EUR 0.02 ordinary

Purchase

1,246

27.4159 EUR

EUR 0.02 ordinary

Purchase

887

26.7907 EUR

EUR 0.02 ordinary

Purchase

775

27.3249 EUR

EUR 0.02 ordinary

Purchase

530

26.8123 EUR

EUR 0.02 ordinary

Purchase

379

26.7746 EUR

EUR 0.02 ordinary

Purchase

307

27.0669 EUR

EUR 0.02 ordinary

Purchase

270

27.4600 EUR

EUR 0.02 ordinary

Purchase

196

26.6681 EUR

EUR 0.02 ordinary

Purchase

158

27.0613 EUR

EUR 0.02 ordinary

Purchase

126

26.8598 EUR

EUR 0.02 ordinary

Purchase

119

27.3756 EUR

EUR 0.02 ordinary

Purchase

101

26.7413 EUR

EUR 0.02 ordinary

Purchase

62

27.2000 EUR

EUR 0.02 ordinary

Purchase

55

27.2527 EUR

EUR 0.02 ordinary

Purchase

35

26.7754 EUR

EUR 0.02 ordinary

Purchase

18

26.9522 EUR

EUR 0.02 ordinary

Purchase

9

26.7577 EUR

EUR 0.02 ordinary

Purchase

8

26.9400 EUR

EUR 0.02 ordinary

Purchase

4

26.9500 EUR

EUR 0.02 ordinary

Purchase

3

26.9800 EUR

EUR 0.02 ordinary

Purchase

3

26.9791 EUR

EUR 0.02 ordinary

Purchase

2

27.2400 EUR

EUR 0.02 ordinary

Purchase

1

27.0572 EUR

EUR 0.02 ordinary

Sale

7,496

27.1351 EUR

EUR 0.02 ordinary

Sale

2,518

26.7800 EUR

EUR 0.02 ordinary

Sale

1,774

26.7907 EUR

EUR 0.02 ordinary

Sale

1,740

26.9398 EUR

EUR 0.02 ordinary

Sale

1,487

26.9620 EUR

EUR 0.02 ordinary

Sale

623

27.4159 EUR

EUR 0.02 ordinary

Sale

614

27.0669 EUR

EUR 0.02 ordinary

Sale

552

26.8422 EUR

EUR 0.02 ordinary

Sale

270

27.4600 EUR

EUR 0.02 ordinary

Sale

265

26.8123 EUR

EUR 0.02 ordinary

Sale

238

27.3756 EUR

EUR 0.02 ordinary

Sale

220

26.9401 EUR

EUR 0.02 ordinary

Sale

202

26.7413 EUR

EUR 0.02 ordinary

Sale

200

27.4000 EUR

EUR 0.02 ordinary

Sale

195

27.3360 EUR

EUR 0.02 ordinary

Sale

98

26.6681 EUR

EUR 0.02 ordinary

Sale

62

27.3800 EUR

EUR 0.02 ordinary

Sale

19

26.9589 EUR

EUR 0.02 ordinary

Sale

9

26.9522 EUR

EUR 0.02 ordinary

Sale

4

27.2400 EUR

EUR 0.02 ordinary

Sale

4

26.9400 EUR

EUR 0.02 ordinary

Sale

3

26.9800 EUR

EUR 0.02 ordinary

Sale

1

26.8526 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

2

27.2400 EUR

EUR 0.02 ordinary

CFD

Increasing Short

1,452

27.0708 EUR

EUR 0.02 ordinary

CFD

Increasing Short

713

27.4236 EUR

EUR 0.02 ordinary

CFD

Opening Short

22,790

26.7800 EUR

EUR 0.02 ordinary

CFD

Increasing Short

55

27.2527 EUR

EUR 0.02 ordinary

SWAP

Increasing Long

541

26.8778 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

2,885

26.7853 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,714

26.7809 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3,858

26.7853 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

121

26.7853 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

552

26.8422 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

447

26.6695 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

16,719

26.8672 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

2

27.3000 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

9

26.7577 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

62

27.3800 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

307

27.0669 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

188

26.9720 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

98

26.6681 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

7,496

27.1351 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

200

27.4000 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,858

27.0686 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

158

27.0612 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

195

27.3360 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:

24 Jul 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213