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:

21 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:

991,526

2.76%

115,615

0.32%

(2)

Cash-settled derivatives:

120,107

0.33%

977,319

2.72%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

1,111,633

3.09%

1,092,934

3.04%

(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

16,234

28.1657 EUR

EUR 0.02 ordinary

Purchase

15,606

28.0858 EUR

EUR 0.02 ordinary

Purchase

4,551

28.3056 EUR

EUR 0.02 ordinary

Purchase

4,383

28.3000 EUR

EUR 0.02 ordinary

Purchase

2,028

27.8073 EUR

EUR 0.02 ordinary

Purchase

1,592

28.1743 EUR

EUR 0.02 ordinary

Purchase

1,570

28.2201 EUR

EUR 0.02 ordinary

Purchase

1,530

28.1469 EUR

EUR 0.02 ordinary

Purchase

1,528

28.1461 EUR

EUR 0.02 ordinary

Purchase

1,262

28.1600 EUR

EUR 0.02 ordinary

Purchase

955

28.0254 EUR

EUR 0.02 ordinary

Purchase

487

28.0478 EUR

EUR 0.02 ordinary

Purchase

436

28.0280 EUR

EUR 0.02 ordinary

Purchase

426

28.0442 EUR

EUR 0.02 ordinary

Purchase

337

27.9282 EUR

EUR 0.02 ordinary

Purchase

292

28.1400 EUR

EUR 0.02 ordinary

Purchase

237

27.6733 EUR

EUR 0.02 ordinary

Purchase

219

28.1000 EUR

EUR 0.02 ordinary

Purchase

200

28.0606 EUR

EUR 0.02 ordinary

Purchase

128

27.9950 EUR

EUR 0.02 ordinary

Purchase

118

27.9000 EUR

EUR 0.02 ordinary

Purchase

112

28.1204 EUR

EUR 0.02 ordinary

Purchase

96

28.0233 EUR

EUR 0.02 ordinary

Purchase

87

27.7689 EUR

EUR 0.02 ordinary

Purchase

81

28.1800 EUR

EUR 0.02 ordinary

Purchase

74

28.1791 EUR

EUR 0.02 ordinary

Purchase

58

28.2200 EUR

EUR 0.02 ordinary

Purchase

51

28.1300 EUR

EUR 0.02 ordinary

Purchase

50

28.0800 EUR

EUR 0.02 ordinary

Purchase

26

28.0830 EUR

EUR 0.02 ordinary

Purchase

1

27.5600 EUR

EUR 0.02 ordinary

Purchase

1

28.1100 EUR

EUR 0.02 ordinary

Sale

8,300

28.1764 EUR

EUR 0.02 ordinary

Sale

8,117

28.1657 EUR

EUR 0.02 ordinary

Sale

4,279

28.3000 EUR

EUR 0.02 ordinary

Sale

3,898

28.2684 EUR

EUR 0.02 ordinary

Sale

1,702

28.0600 EUR

EUR 0.02 ordinary

Sale

1,592

28.1743 EUR

EUR 0.02 ordinary

Sale

1,258

28.1539 EUR

EUR 0.02 ordinary

Sale

765

28.1469 EUR

EUR 0.02 ordinary

Sale

764

28.1461 EUR

EUR 0.02 ordinary

Sale

631

28.1600 EUR

EUR 0.02 ordinary

Sale

426

28.0470 EUR

EUR 0.02 ordinary

Sale

425

28.0412 EUR

EUR 0.02 ordinary

Sale

367

28.0000 EUR

EUR 0.02 ordinary

Sale

337

27.9282 EUR

EUR 0.02 ordinary

Sale

334

28.2514 EUR

EUR 0.02 ordinary

Sale

204

28.0400 EUR

EUR 0.02 ordinary

Sale

168

28.1400 EUR

EUR 0.02 ordinary

Sale

131

28.0800 EUR

EUR 0.02 ordinary

Sale

128

28.0225 EUR

EUR 0.02 ordinary

Sale

128

28.1050 EUR

EUR 0.02 ordinary

Sale

116

28.2200 EUR

EUR 0.02 ordinary

Sale

109

28.0777 EUR

EUR 0.02 ordinary

Sale

104

27.7423 EUR

EUR 0.02 ordinary

Sale

102

28.1300 EUR

EUR 0.02 ordinary

Sale

101

27.7400 EUR

EUR 0.02 ordinary

Sale

82

28.0500 EUR

EUR 0.02 ordinary

Sale

74

28.1800 EUR

EUR 0.02 ordinary

Sale

59

27.9000 EUR

EUR 0.02 ordinary

Sale

21

28.0152 EUR

EUR 0.02 ordinary

Sale

6

28.0900 EUR

EUR 0.02 ordinary

Sale

3

27.8200 EUR

EUR 0.02 ordinary

Sale

2

27.5600 EUR

EUR 0.02 ordinary

Sale

1

28.1100 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

250

28.2906 EUR

EUR 0.02 ordinary

CFD

Increasing Short

5,429

28.2519 EUR

EUR 0.02 ordinary

CFD

Increasing Short

2,028

27.8073 EUR

EUR 0.02 ordinary

CFD

Increasing Short

5,312

28.0709 EUR

EUR 0.02 ordinary

CFD

Increasing Short

337

27.9282 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

21

28.0152 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

2,925

28.3000 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3,755

28.3056 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

796

28.3056 EUR

EUR 0.02 ordinary

SWAP

Opening Long

2,004

28.0957 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

26

28.0830 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

51

28.1300 EUR

EUR 0.02 ordinary

CFD

Increasing Short

7

28.1800 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

6

28.0900 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

224

28.0071 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

256

28.0637 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

59

27.9000 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

58

28.2200 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

446

28.0091 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

237

27.6733 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

523

27.9849 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

15,606

28.0858 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

8,300

28.1764 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:

22 Jul 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213