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:

02 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:

880,760

2.46%

109,251

0.31%

(2)

Cash-settled derivatives:

114,976

0.32%

873,015

2.44%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

995,736

2.78%

982,266

2.75%

(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

12,412

32.2400 EUR

EUR 0.02 ordinary

Purchase

9,302

32.3323 EUR

EUR 0.02 ordinary

Purchase

6,180

32.3329 EUR

EUR 0.02 ordinary

Purchase

5,930

32.4656 EUR

EUR 0.02 ordinary

Purchase

4,299

32.3255 EUR

EUR 0.02 ordinary

Purchase

3,024

32.3195 EUR

EUR 0.02 ordinary

Purchase

1,762

32.3606 EUR

EUR 0.02 ordinary

Purchase

1,740

32.2505 EUR

EUR 0.02 ordinary

Purchase

1,707

32.3256 EUR

EUR 0.02 ordinary

Purchase

1,327

32.3262 EUR

EUR 0.02 ordinary

Purchase

1,194

32.2388 EUR

EUR 0.02 ordinary

Purchase

1,162

32.3758 EUR

EUR 0.02 ordinary

Purchase

1,017

32.3273 EUR

EUR 0.02 ordinary

Purchase

932

32.2520 EUR

EUR 0.02 ordinary

Purchase

864

32.2976 EUR

EUR 0.02 ordinary

Purchase

789

32.3693 EUR

EUR 0.02 ordinary

Purchase

706

32.2809 EUR

EUR 0.02 ordinary

Purchase

704

32.2335 EUR

EUR 0.02 ordinary

Purchase

669

32.3947 EUR

EUR 0.02 ordinary

Purchase

643

32.3315 EUR

EUR 0.02 ordinary

Purchase

602

32.3283 EUR

EUR 0.02 ordinary

Purchase

564

32.5761 EUR

EUR 0.02 ordinary

Purchase

443

32.3230 EUR

EUR 0.02 ordinary

Purchase

416

32.3488 EUR

EUR 0.02 ordinary

Purchase

403

32.6190 EUR

EUR 0.02 ordinary

Purchase

286

32.2007 EUR

EUR 0.02 ordinary

Purchase

261

32.3392 EUR

EUR 0.02 ordinary

Purchase

261

32.3840 EUR

EUR 0.02 ordinary

Purchase

250

32.1800 EUR

EUR 0.02 ordinary

Purchase

247

32.5425 EUR

EUR 0.02 ordinary

Purchase

211

32.2602 EUR

EUR 0.02 ordinary

Purchase

170

32.8200 EUR

EUR 0.02 ordinary

Purchase

162

32.5244 EUR

EUR 0.02 ordinary

Purchase

123

32.6189 EUR

EUR 0.02 ordinary

Purchase

111

32.4400 EUR

EUR 0.02 ordinary

Purchase

106

32.2818 EUR

EUR 0.02 ordinary

Purchase

95

32.4200 EUR

EUR 0.02 ordinary

Purchase

90

32.2826 EUR

EUR 0.02 ordinary

Purchase

67

32.2200 EUR

EUR 0.02 ordinary

Purchase

44

32.3200 EUR

EUR 0.02 ordinary

Purchase

41

32.2603 EUR

EUR 0.02 ordinary

Purchase

34

32.6000 EUR

EUR 0.02 ordinary

Purchase

18

32.3222 EUR

EUR 0.02 ordinary

Purchase

16

32.2600 EUR

EUR 0.02 ordinary

Purchase

16

32.3400 EUR

EUR 0.02 ordinary

Purchase

10

32.3759 EUR

EUR 0.02 ordinary

Purchase

5

32.4600 EUR

EUR 0.02 ordinary

Purchase

4

32.2759 EUR

EUR 0.02 ordinary

Purchase

4

32.2290 EUR

EUR 0.02 ordinary

Purchase

3

32.5959 EUR

EUR 0.02 ordinary

Purchase

2

32.2800 EUR

EUR 0.02 ordinary

Purchase

2

32.3590 EUR

EUR 0.02 ordinary

Purchase

1

32.6400 EUR

EUR 0.02 ordinary

Purchase

1

32.5000 EUR

EUR 0.02 ordinary

Sale

8,310

32.2400 EUR

EUR 0.02 ordinary

Sale

6,048

32.3195 EUR

EUR 0.02 ordinary

Sale

4,651

32.3323 EUR

EUR 0.02 ordinary

Sale

3,471

32.2380 EUR

EUR 0.02 ordinary

Sale

1,979

32.4177 EUR

EUR 0.02 ordinary

Sale

1,690

32.3534 EUR

EUR 0.02 ordinary

Sale

1,408

32.2335 EUR

EUR 0.02 ordinary

Sale

1,364

32.2631 EUR

EUR 0.02 ordinary

Sale

1,134

32.2200 EUR

EUR 0.02 ordinary

Sale

870

32.2505 EUR

EUR 0.02 ordinary

Sale

811

32.3948 EUR

EUR 0.02 ordinary

Sale

789

32.3693 EUR

EUR 0.02 ordinary

Sale

716

32.4106 EUR

EUR 0.02 ordinary

Sale

687

32.2464 EUR

EUR 0.02 ordinary

Sale

623

32.4011 EUR

EUR 0.02 ordinary

Sale

581

32.3758 EUR

EUR 0.02 ordinary

Sale

572

32.2007 EUR

EUR 0.02 ordinary

Sale

544

32.3555 EUR

EUR 0.02 ordinary

Sale

477

32.4677 EUR

EUR 0.02 ordinary

Sale

443

32.3230 EUR

EUR 0.02 ordinary

Sale

432

32.2976 EUR

EUR 0.02 ordinary

Sale

353

32.2809 EUR

EUR 0.02 ordinary

Sale

308

32.3253 EUR

EUR 0.02 ordinary

Sale

282

32.5761 EUR

EUR 0.02 ordinary

Sale

212

32.2818 EUR

EUR 0.02 ordinary

Sale

208

32.3488 EUR

EUR 0.02 ordinary

Sale

176

32.2800 EUR

EUR 0.02 ordinary

Sale

166

32.2496 EUR

EUR 0.02 ordinary

Sale

142

32.2302 EUR

EUR 0.02 ordinary

Sale

99

32.2000 EUR

EUR 0.02 ordinary

Sale

96

32.4809 EUR

EUR 0.02 ordinary

Sale

95

32.4200 EUR

EUR 0.02 ordinary

Sale

85

32.8200 EUR

EUR 0.02 ordinary

Sale

81

32.5244 EUR

EUR 0.02 ordinary

Sale

44

32.3200 EUR

EUR 0.02 ordinary

Sale

36

32.3222 EUR

EUR 0.02 ordinary

Sale

16

32.2600 EUR

EUR 0.02 ordinary

Sale

16

32.3400 EUR

EUR 0.02 ordinary

Sale

5

32.4600 EUR

EUR 0.02 ordinary

Sale

4

32.4000 EUR

EUR 0.02 ordinary

Sale

4

32.2209 EUR

EUR 0.02 ordinary

Sale

3

32.5233 EUR

EUR 0.02 ordinary

Sale

2

32.5509 EUR

EUR 0.02 ordinary

Sale

1

32.5000 EUR

EUR 0.02 ordinary

Sale

1

32.6400 EUR

EUR 0.02 ordinary

Sale

1

32.4209 EUR

EUR 0.02 ordinary

Sale

1

32.5009 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

Increasing Short

96

32.3603 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

308

32.3253 EUR

EUR 0.02 ordinary

CFD

Increasing Short

6,510

32.2794 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

4,120

32.2930 EUR

EUR 0.02 ordinary

SWAP

Decreasing Long

421

32.5762 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

3,471

32.2380 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

2,518

32.2410 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

6,180

32.3329 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

1,511

32.2390 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,017

32.3272 EUR

EUR 0.02 ordinary

SWAP

Decreasing Long

2,903

32.3255 EUR

EUR 0.02 ordinary

SWAP

Decreasing Long

1,707

32.3255 EUR

EUR 0.02 ordinary

SWAP

Decreasing Long

1,396

32.3255 EUR

EUR 0.02 ordinary

SWAP

Opening Short

1,511

32.2410 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

123

32.4852 EUR

EUR 0.02 ordinary

CFD

Increasing Short

1,044

32.6465 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

3

32.5247 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

2,518

32.2390 EUR

EUR 0.02 ordinary

SWAP

Closing Long

253

32.6190 EUR

EUR 0.02 ordinary

SWAP

Closing Long

150

32.6190 EUR

EUR 0.02 ordinary

SWAP

Decreasing Long

123

32.6189 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

2

32.2800 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

477

32.4678 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

111

32.4400 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3,951

32.2400 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

81

32.5244 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

5,930

32.4656 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

1,979

32.4177 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:

03 Jul 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213