Form8.3AMGLITHIUMB.V.(ADIRECTWHOLLY-OW Replacement

FORM 8.3 Amendment - this form replaces RNS number 4603J published at 17:47 on 23/06/2026, changes made to section 2A,3A

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:

22 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:

814,665

2.28%

109,715

0.31%

(2)

Cash-settled derivatives:

121,929

0.34%

809,880

2.27%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

936,594

2.62%

919,595

2.57%

(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

25,355

36.5600 EUR

EUR 0.02 ordinary

Purchase

9,518

36.6415 EUR

EUR 0.02 ordinary

Purchase

3,100

36.8203 EUR

EUR 0.02 ordinary

Purchase

1,927

36.6584 EUR

EUR 0.02 ordinary

Purchase

1,267

36.6866 EUR

EUR 0.02 ordinary

Purchase

1,262

36.7155 EUR

EUR 0.02 ordinary

Purchase

1,025

36.5621 EUR

EUR 0.02 ordinary

Purchase

972

36.8099 EUR

EUR 0.02 ordinary

Purchase

738

36.6575 EUR

EUR 0.02 ordinary

Purchase

554

36.8145 EUR

EUR 0.02 ordinary

Purchase

426

37.0387 EUR

EUR 0.02 ordinary

Purchase

329

36.7941 EUR

EUR 0.02 ordinary

Purchase

269

36.5617 EUR

EUR 0.02 ordinary

Purchase

245

36.5565 EUR

EUR 0.02 ordinary

Purchase

232

36.7625 EUR

EUR 0.02 ordinary

Purchase

215

36.8930 EUR

EUR 0.02 ordinary

Purchase

212

36.7950 EUR

EUR 0.02 ordinary

Purchase

212

37.0539 EUR

EUR 0.02 ordinary

Purchase

204

36.8047 EUR

EUR 0.02 ordinary

Purchase

178

37.0060 EUR

EUR 0.02 ordinary

Purchase

176

36.8200 EUR

EUR 0.02 ordinary

Purchase

174

36.6414 EUR

EUR 0.02 ordinary

Purchase

135

36.8367 EUR

EUR 0.02 ordinary

Purchase

118

36.5952 EUR

EUR 0.02 ordinary

Purchase

111

37.0022 EUR

EUR 0.02 ordinary

Purchase

104

36.7400 EUR

EUR 0.02 ordinary

Purchase

87

36.8714 EUR

EUR 0.02 ordinary

Purchase

84

36.7300 EUR

EUR 0.02 ordinary

Purchase

81

36.8456 EUR

EUR 0.02 ordinary

Purchase

78

36.8022 EUR

EUR 0.02 ordinary

Purchase

76

36.7000 EUR

EUR 0.02 ordinary

Purchase

70

36.9600 EUR

EUR 0.02 ordinary

Purchase

64

36.5200 EUR

EUR 0.02 ordinary

Purchase

63

36.9123 EUR

EUR 0.02 ordinary

Purchase

53

36.7200 EUR

EUR 0.02 ordinary

Purchase

52

37.0400 EUR

EUR 0.02 ordinary

Purchase

50

36.9008 EUR

EUR 0.02 ordinary

Purchase

46

36.8800 EUR

EUR 0.02 ordinary

Purchase

41

36.7600 EUR

EUR 0.02 ordinary

Purchase

40

36.7821 EUR

EUR 0.02 ordinary

Purchase

32

36.6800 EUR

EUR 0.02 ordinary

Purchase

26

36.9800 EUR

EUR 0.02 ordinary

Purchase

25

36.8400 EUR

EUR 0.02 ordinary

Purchase

23

36.4600 EUR

EUR 0.02 ordinary

Purchase

22

36.6600 EUR

EUR 0.02 ordinary

Purchase

20

36.9400 EUR

EUR 0.02 ordinary

Purchase

19

36.8600 EUR

EUR 0.02 ordinary

Purchase

10

36.8000 EUR

EUR 0.02 ordinary

Purchase

10

36.7800 EUR

EUR 0.02 ordinary

Purchase

10

36.7822 EUR

EUR 0.02 ordinary

Purchase

10

36.9200 EUR

EUR 0.02 ordinary

Purchase

1

36.6000 EUR

EUR 0.02 ordinary

Purchase

1

36.6200 EUR

EUR 0.02 ordinary

Sale

16,654

36.5600 EUR

EUR 0.02 ordinary

Sale

1,267

36.6866 EUR

EUR 0.02 ordinary

Sale

940

36.7081 EUR

EUR 0.02 ordinary

Sale

680

36.6737 EUR

EUR 0.02 ordinary

Sale

591

36.7471 EUR

EUR 0.02 ordinary

Sale

540

37.0000 EUR

EUR 0.02 ordinary

Sale

486

36.8099 EUR

EUR 0.02 ordinary

Sale

356

37.0060 EUR

EUR 0.02 ordinary

Sale

327

36.6247 EUR

EUR 0.02 ordinary

Sale

227

36.9490 EUR

EUR 0.02 ordinary

Sale

213

37.0387 EUR

EUR 0.02 ordinary

Sale

185

36.8536 EUR

EUR 0.02 ordinary

Sale

180

36.9966 EUR

EUR 0.02 ordinary

Sale

145

36.8160 EUR

EUR 0.02 ordinary

Sale

104

36.7400 EUR

EUR 0.02 ordinary

Sale

84

36.7300 EUR

EUR 0.02 ordinary

Sale

76

36.7000 EUR

EUR 0.02 ordinary

Sale

70

36.9600 EUR

EUR 0.02 ordinary

Sale

64

36.5200 EUR

EUR 0.02 ordinary

Sale

53

36.7200 EUR

EUR 0.02 ordinary

Sale

52

37.0400 EUR

EUR 0.02 ordinary

Sale

46

36.8800 EUR

EUR 0.02 ordinary

Sale

41

36.7600 EUR

EUR 0.02 ordinary

Sale

32

36.6800 EUR

EUR 0.02 ordinary

Sale

26

36.9800 EUR

EUR 0.02 ordinary

Sale

25

36.8400 EUR

EUR 0.02 ordinary

Sale

23

36.4600 EUR

EUR 0.02 ordinary

Sale

22

36.6600 EUR

EUR 0.02 ordinary

Sale

20

36.9115 EUR

EUR 0.02 ordinary

Sale

20

36.9400 EUR

EUR 0.02 ordinary

Sale

19

36.8600 EUR

EUR 0.02 ordinary

Sale

10

36.9200 EUR

EUR 0.02 ordinary

Sale

10

36.8000 EUR

EUR 0.02 ordinary

Sale

10

36.7800 EUR

EUR 0.02 ordinary

Sale

1

36.6000 EUR

EUR 0.02 ordinary

Sale

1

36.8200 EUR

EUR 0.02 ordinary

Sale

1

36.6200 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

54

36.5600 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

655

36.8227 EUR

EUR 0.02 ordinary

CFD

Increasing Short

100

36.9800 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

897

36.7593 EUR

EUR 0.02 ordinary

CFD

Increasing Short

486

36.8129 EUR

EUR 0.02 ordinary

CFD

Increasing Short

63

36.9123 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,025

36.5621 EUR

EUR 0.02 ordinary

SWAP

Opening Short

3,630

36.6415 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,262

36.7155 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

5,756

36.6415 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

174

36.6414 EUR

EUR 0.02 ordinary

SWAP

Opening Short

132

36.6415 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

31

36.5600 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

100

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

11004

36.5991 EUR

EUR 0.02 ordinary

SWAP

Increasing Long

22547

36.9123 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

111

37.0022 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

213

37.0387 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

400

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

87

36.8714 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

74

36.8027 EUR

EUR 0.02 ordinary

CFD

Increasing Short

10,800

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

554

36.8145 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

20

36.9115 EUR

EUR 0.02 ordinary

CFD

Increasing Short

200

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

40

36.7821 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

8

36.5600 EUR

EUR 0.02 ordinary

CFD

Increasing Short

100

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

118

36.5952 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

171

36.4500 EUR

EUR 0.02 ordinary

CFD

Increasing Short

300

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

212

37.0539 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

540

37.0000 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

4,900

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

78

36.8022 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

800

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

10

36.7822 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

100

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

135

36.8367 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

200

36.9800 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

204

36.8047 EUR

EUR 0.02 ordinary

CFD

Increasing Short

12,296

36.5610 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

81

36.8456 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

455

36.5600 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

2,200

36.5600 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:

26 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213