Barclays Regulatory News (BARC)

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:

19 Jun 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:

794,579

2.22%

116,180

0.32%

(2)

Cash-settled derivatives:

121,983

0.34%

792,929

2.22%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

916,562

2.56%

909,109

2.54%

(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

14,295

36.9800 EUR

EUR 0.02 ordinary

Purchase

14,100

30.0000 EUR

EUR 0.02 ordinary

Purchase

13,346

36.9143 EUR

EUR 0.02 ordinary

Purchase

11,004

36.5990 EUR

EUR 0.02 ordinary

Purchase

10,800

37.0000 EUR

EUR 0.02 ordinary

Purchase

3,009

36.5400 EUR

EUR 0.02 ordinary

Purchase

1,276

36.5869 EUR

EUR 0.02 ordinary

Purchase

609

36.7136 EUR

EUR 0.02 ordinary

Purchase

598

36.5431 EUR

EUR 0.02 ordinary

Purchase

523

36.5953 EUR

EUR 0.02 ordinary

Purchase

487

36.6508 EUR

EUR 0.02 ordinary

Purchase

388

36.6425 EUR

EUR 0.02 ordinary

Purchase

330

36.6370 EUR

EUR 0.02 ordinary

Purchase

328

36.5948 EUR

EUR 0.02 ordinary

Purchase

300

40.0000 EUR

EUR 0.02 ordinary

Purchase

248

36.5850 EUR

EUR 0.02 ordinary

Purchase

234

36.6000 EUR

EUR 0.02 ordinary

Purchase

200

38.0000 EUR

EUR 0.02 ordinary

Purchase

184

36.6400 EUR

EUR 0.02 ordinary

Purchase

138

36.6300 EUR

EUR 0.02 ordinary

Purchase

104

36.7911 EUR

EUR 0.02 ordinary

Purchase

100

39.0000 EUR

EUR 0.02 ordinary

Purchase

72

36.6500 EUR

EUR 0.02 ordinary

Purchase

64

36.5725 EUR

EUR 0.02 ordinary

Purchase

64

36.5700 EUR

EUR 0.02 ordinary

Purchase

60

36.6100 EUR

EUR 0.02 ordinary

Purchase

57

36.5052 EUR

EUR 0.02 ordinary

Purchase

57

36.6557 EUR

EUR 0.02 ordinary

Purchase

30

36.4600 EUR

EUR 0.02 ordinary

Purchase

1

36.6363 EUR

EUR 0.02 ordinary

Sale

22,547

36.9122 EUR

EUR 0.02 ordinary

Sale

9,191

36.9800 EUR

EUR 0.02 ordinary

Sale

6,673

36.9143 EUR

EUR 0.02 ordinary

Sale

4,900

36.0000 EUR

EUR 0.02 ordinary

Sale

1,196

36.5431 EUR

EUR 0.02 ordinary

Sale

1,046

36.5953 EUR

EUR 0.02 ordinary

Sale

800

37.0000 EUR

EUR 0.02 ordinary

Sale

753

36.6255 EUR

EUR 0.02 ordinary

Sale

595

36.5489 EUR

EUR 0.02 ordinary

Sale

457

36.7038 EUR

EUR 0.02 ordinary

Sale

400

35.0000 EUR

EUR 0.02 ordinary

Sale

258

36.7066 EUR

EUR 0.02 ordinary

Sale

232

36.3207 EUR

EUR 0.02 ordinary

Sale

201

36.6400 EUR

EUR 0.02 ordinary

Sale

200

34.0000 EUR

EUR 0.02 ordinary

Sale

185

36.6341 EUR

EUR 0.02 ordinary

Sale

155

36.6080 EUR

EUR 0.02 ordinary

Sale

117

36.6000 EUR

EUR 0.02 ordinary

Sale

114

36.5052 EUR

EUR 0.02 ordinary

Sale

111

36.5472 EUR

EUR 0.02 ordinary

Sale

100

35.5000 EUR

EUR 0.02 ordinary

Sale

100

32.0000 EUR

EUR 0.02 ordinary

Sale

80

36.6280 EUR

EUR 0.02 ordinary

Sale

36

36.6500 EUR

EUR 0.02 ordinary

Sale

15

36.4600 EUR

EUR 0.02 ordinary

Sale

4

36.9775 EUR

EUR 0.02 ordinary

Sale

4

36.5303 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 Long

2,088

30.0000 EUR

EUR 0.02 ordinary

SWAP

Opening Short

11,912

30.0000 EUR

EUR 0.02 ordinary

SWAP

Opening Long

54

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

132

36.0200 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

457

36.7038 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

598

36.5401 EUR

EUR 0.02 ordinary

CFD

Increasing Short

248

36.5850 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

4

36.9777 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

192

36.2271 EUR

EUR 0.02 ordinary

CFD

Increasing Short

117

36.6029 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

111

36.5472 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

232

36.3207 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

4,090

36.1983 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

4

36.5303 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

7,819

36.1560 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3,009

36.5400 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

341

36.5230 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,842

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

5,959

36.9584 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3,248

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

268

36.9561 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

68

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

128

36.5712 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

57

36.5052 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

96

36.6300 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

15

36.4600 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,276

36.5869 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

155

36.6080 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

328

36.5947 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 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213