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:

29 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:

851,785

2.38%

109,321

0.31%

(2)

Cash-settled derivatives:

121,960

0.34%

850,425

2.38%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

973,745

2.72%

959,746

2.68%

(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

7,885

32.2159 EUR

EUR 0.02 ordinary

Purchase

5,329

32.2200 EUR

EUR 0.02 ordinary

Purchase

3,245

32.0671 EUR

EUR 0.02 ordinary

Purchase

2,309

32.2409 EUR

EUR 0.02 ordinary

Purchase

1,810

32.2064 EUR

EUR 0.02 ordinary

Purchase

1,792

32.2981 EUR

EUR 0.02 ordinary

Purchase

1,515

32.1768 EUR

EUR 0.02 ordinary

Purchase

1,115

32.1563 EUR

EUR 0.02 ordinary

Purchase

971

32.1847 EUR

EUR 0.02 ordinary

Purchase

932

32.1022 EUR

EUR 0.02 ordinary

Purchase

414

31.9637 EUR

EUR 0.02 ordinary

Purchase

276

32.4371 EUR

EUR 0.02 ordinary

Purchase

276

32.6510 EUR

EUR 0.02 ordinary

Purchase

250

32.3600 EUR

EUR 0.02 ordinary

Purchase

231

32.2735 EUR

EUR 0.02 ordinary

Purchase

193

32.1960 EUR

EUR 0.02 ordinary

Purchase

176

32.3000 EUR

EUR 0.02 ordinary

Purchase

136

32.4366 EUR

EUR 0.02 ordinary

Purchase

109

32.0662 EUR

EUR 0.02 ordinary

Purchase

105

32.4467 EUR

EUR 0.02 ordinary

Purchase

105

31.9860 EUR

EUR 0.02 ordinary

Purchase

66

32.5400 EUR

EUR 0.02 ordinary

Purchase

62

31.9174 EUR

EUR 0.02 ordinary

Purchase

58

32.3500 EUR

EUR 0.02 ordinary

Purchase

55

32.5000 EUR

EUR 0.02 ordinary

Purchase

53

32.3200 EUR

EUR 0.02 ordinary

Purchase

49

32.4000 EUR

EUR 0.02 ordinary

Purchase

46

32.4928 EUR

EUR 0.02 ordinary

Purchase

44

31.8722 EUR

EUR 0.02 ordinary

Purchase

25

32.1848 EUR

EUR 0.02 ordinary

Purchase

24

32.0200 EUR

EUR 0.02 ordinary

Purchase

22

32.4600 EUR

EUR 0.02 ordinary

Purchase

20

32.2400 EUR

EUR 0.02 ordinary

Purchase

18

32.2800 EUR

EUR 0.02 ordinary

Purchase

16

31.8600 EUR

EUR 0.02 ordinary

Purchase

15

32.2973 EUR

EUR 0.02 ordinary

Purchase

7

32.2914 EUR

EUR 0.02 ordinary

Purchase

3

32.1333 EUR

EUR 0.02 ordinary

Purchase

2

32.2600 EUR

EUR 0.02 ordinary

Purchase

1

32.0400 EUR

EUR 0.02 ordinary

Purchase

1

32.3800 EUR

EUR 0.02 ordinary

Purchase

1

32.4400 EUR

EUR 0.02 ordinary

Purchase

1

32.4800 EUR

EUR 0.02 ordinary

Sale

7,034

32.2200 EUR

EUR 0.02 ordinary

Sale

6,490

32.0671 EUR

EUR 0.02 ordinary

Sale

6,231

32.1454 EUR

EUR 0.02 ordinary

Sale

2,309

32.2409 EUR

EUR 0.02 ordinary

Sale

1,864

32.1021 EUR

EUR 0.02 ordinary

Sale

1,115

32.2079 EUR

EUR 0.02 ordinary

Sale

975

32.2702 EUR

EUR 0.02 ordinary

Sale

828

31.9637 EUR

EUR 0.02 ordinary

Sale

560

32.3261 EUR

EUR 0.02 ordinary

Sale

366

32.4320 EUR

EUR 0.02 ordinary

Sale

327

32.2193 EUR

EUR 0.02 ordinary

Sale

272

32.4366 EUR

EUR 0.02 ordinary

Sale

219

32.2783 EUR

EUR 0.02 ordinary

Sale

218

32.0662 EUR

EUR 0.02 ordinary

Sale

175

32.3453 EUR

EUR 0.02 ordinary

Sale

169

32.2057 EUR

EUR 0.02 ordinary

Sale

167

32.5586 EUR

EUR 0.02 ordinary

Sale

149

32.1405 EUR

EUR 0.02 ordinary

Sale

141

32.2190 EUR

EUR 0.02 ordinary

Sale

138

32.6510 EUR

EUR 0.02 ordinary

Sale

138

32.4371 EUR

EUR 0.02 ordinary

Sale

125

32.3600 EUR

EUR 0.02 ordinary

Sale

124

31.9174 EUR

EUR 0.02 ordinary

Sale

107

32.0908 EUR

EUR 0.02 ordinary

Sale

105

31.9860 EUR

EUR 0.02 ordinary

Sale

88

32.3000 EUR

EUR 0.02 ordinary

Sale

88

31.8722 EUR

EUR 0.02 ordinary

Sale

66

32.5400 EUR

EUR 0.02 ordinary

Sale

59

31.9228 EUR

EUR 0.02 ordinary

Sale

55

32.5000 EUR

EUR 0.02 ordinary

Sale

53

32.3200 EUR

EUR 0.02 ordinary

Sale

49

32.4000 EUR

EUR 0.02 ordinary

Sale

36

32.2800 EUR

EUR 0.02 ordinary

Sale

24

32.0200 EUR

EUR 0.02 ordinary

Sale

22

32.4600 EUR

EUR 0.02 ordinary

Sale

20

32.0450 EUR

EUR 0.02 ordinary

Sale

20

32.2400 EUR

EUR 0.02 ordinary

Sale

16

32.1600 EUR

EUR 0.02 ordinary

Sale

15

32.2973 EUR

EUR 0.02 ordinary

Sale

15

32.5300 EUR

EUR 0.02 ordinary

Sale

14

32.3285 EUR

EUR 0.02 ordinary

Sale

14

32.3214 EUR

EUR 0.02 ordinary

Sale

2

32.2600 EUR

EUR 0.02 ordinary

Sale

1

32.4800 EUR

EUR 0.02 ordinary

Sale

1

32.3800 EUR

EUR 0.02 ordinary

Sale

1

32.0400 EUR

EUR 0.02 ordinary

Sale

1

32.4400 EUR

EUR 0.02 ordinary

Sale

1

31.9600 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

11

32.4109 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

13

32.2192 EUR

EUR 0.02 ordinary

CFD

Increasing Short

138

32.6536 EUR

EUR 0.02 ordinary

CFD

Opening Long

136

32.4366 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

29

32.0717 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

6,423

32.2159 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,261

32.2159 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

201

32.2159 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

6

32.2133 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

3,817

32.0503 EUR

EUR 0.02 ordinary

CFD

Decreasing Long

105

31.9860 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

141

32.2190 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

811

32.1847 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

160

32.1847 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

25

32.1848 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

62

32.3295 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

327

32.2193 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

14

32.3285 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

59

31.9229 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

125

32.3600 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

149

32.1405 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

31

32.3390 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1

32.2000 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

44

31.8722 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

274

32.3759 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

163

32.4122 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,515

32.1768 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

6,231

32.1454 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:

30 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213