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:

30 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:

854,893

2.39%

109,661

0.31%

(2)

Cash-settled derivatives:

121,929

0.34%

853,657

2.39%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

976,822

2.73%

963,318

2.69%

(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

6,240

32.7400 EUR

EUR 0.02 ordinary

Purchase

5,734

32.7465 EUR

EUR 0.02 ordinary

Purchase

2,968

32.7263 EUR

EUR 0.02 ordinary

Purchase

2,476

32.7371 EUR

EUR 0.02 ordinary

Purchase

2,442

32.5508 EUR

EUR 0.02 ordinary

Purchase

1,630

32.5792 EUR

EUR 0.02 ordinary

Purchase

857

32.6679 EUR

EUR 0.02 ordinary

Purchase

685

32.6569 EUR

EUR 0.02 ordinary

Purchase

490

32.7118 EUR

EUR 0.02 ordinary

Purchase

264

32.8600 EUR

EUR 0.02 ordinary

Purchase

187

33.0200 EUR

EUR 0.02 ordinary

Purchase

136

32.4505 EUR

EUR 0.02 ordinary

Purchase

136

32.6294 EUR

EUR 0.02 ordinary

Purchase

128

32.7384 EUR

EUR 0.02 ordinary

Purchase

125

32.6565 EUR

EUR 0.02 ordinary

Purchase

113

32.7382 EUR

EUR 0.02 ordinary

Purchase

101

32.9000 EUR

EUR 0.02 ordinary

Purchase

90

32.7640 EUR

EUR 0.02 ordinary

Purchase

79

32.7870 EUR

EUR 0.02 ordinary

Purchase

60

32.8400 EUR

EUR 0.02 ordinary

Purchase

49

32.5000 EUR

EUR 0.02 ordinary

Purchase

25

32.6564 EUR

EUR 0.02 ordinary

Purchase

16

32.8650 EUR

EUR 0.02 ordinary

Purchase

14

32.6000 EUR

EUR 0.02 ordinary

Purchase

14

32.8000 EUR

EUR 0.02 ordinary

Purchase

13

32.7200 EUR

EUR 0.02 ordinary

Purchase

13

32.9600 EUR

EUR 0.02 ordinary

Purchase

12

33.0600 EUR

EUR 0.02 ordinary

Purchase

12

32.4600 EUR

EUR 0.02 ordinary

Purchase

12

32.6800 EUR

EUR 0.02 ordinary

Purchase

12

32.6600 EUR

EUR 0.02 ordinary

Purchase

12

33.0000 EUR

EUR 0.02 ordinary

Purchase

5

32.7800 EUR

EUR 0.02 ordinary

Purchase

3

32.4200 EUR

EUR 0.02 ordinary

Purchase

3

32.6566 EUR

EUR 0.02 ordinary

Purchase

3

32.9400 EUR

EUR 0.02 ordinary

Purchase

3

32.3800 EUR

EUR 0.02 ordinary

Purchase

2

32.5400 EUR

EUR 0.02 ordinary

Purchase

2

32.7000 EUR

EUR 0.02 ordinary

Purchase

1

32.8200 EUR

EUR 0.02 ordinary

Purchase

1

32.6400 EUR

EUR 0.02 ordinary

Purchase

1

32.5200 EUR

EUR 0.02 ordinary

Sale

5,305

32.7400 EUR

EUR 0.02 ordinary

Sale

4,252

32.8681 EUR

EUR 0.02 ordinary

Sale

2,968

32.7263 EUR

EUR 0.02 ordinary

Sale

2,229

32.7347 EUR

EUR 0.02 ordinary

Sale

1,370

32.6568 EUR

EUR 0.02 ordinary

Sale

1,221

32.5508 EUR

EUR 0.02 ordinary

Sale

993

32.7929 EUR

EUR 0.02 ordinary

Sale

980

32.7118 EUR

EUR 0.02 ordinary

Sale

779

32.7380 EUR

EUR 0.02 ordinary

Sale

394

32.7452 EUR

EUR 0.02 ordinary

Sale

276

32.7358 EUR

EUR 0.02 ordinary

Sale

244

32.8600 EUR

EUR 0.02 ordinary

Sale

242

32.6249 EUR

EUR 0.02 ordinary

Sale

172

32.7117 EUR

EUR 0.02 ordinary

Sale

128

32.7384 EUR

EUR 0.02 ordinary

Sale

98

32.8200 EUR

EUR 0.02 ordinary

Sale

84

32.8400 EUR

EUR 0.02 ordinary

Sale

75

32.5717 EUR

EUR 0.02 ordinary

Sale

71

32.8280 EUR

EUR 0.02 ordinary

Sale

68

32.6294 EUR

EUR 0.02 ordinary

Sale

51

32.9000 EUR

EUR 0.02 ordinary

Sale

49

32.5000 EUR

EUR 0.02 ordinary

Sale

45

32.7640 EUR

EUR 0.02 ordinary

Sale

41

32.7512 EUR

EUR 0.02 ordinary

Sale

39

32.8210 EUR

EUR 0.02 ordinary

Sale

21

32.7014 EUR

EUR 0.02 ordinary

Sale

16

32.8650 EUR

EUR 0.02 ordinary

Sale

14

32.6000 EUR

EUR 0.02 ordinary

Sale

14

32.8000 EUR

EUR 0.02 ordinary

Sale

13

32.9600 EUR

EUR 0.02 ordinary

Sale

13

32.7200 EUR

EUR 0.02 ordinary

Sale

12

33.0600 EUR

EUR 0.02 ordinary

Sale

12

32.6800 EUR

EUR 0.02 ordinary

Sale

12

32.4600 EUR

EUR 0.02 ordinary

Sale

12

33.0000 EUR

EUR 0.02 ordinary

Sale

12

32.6600 EUR

EUR 0.02 ordinary

Sale

5

32.7800 EUR

EUR 0.02 ordinary

Sale

3

33.0200 EUR

EUR 0.02 ordinary

Sale

3

32.4200 EUR

EUR 0.02 ordinary

Sale

3

32.9400 EUR

EUR 0.02 ordinary

Sale

3

32.3800 EUR

EUR 0.02 ordinary

Sale

2

32.5400 EUR

EUR 0.02 ordinary

Sale

2

32.7000 EUR

EUR 0.02 ordinary

Sale

1

32.5200 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

95

32.1603 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

207

32.7405 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

490

32.7092 EUR

EUR 0.02 ordinary

CFD

Closing Long

31

32.1400 EUR

EUR 0.02 ordinary

CFD

Opening Short

105

32.1400 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

779

32.7380 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

125

32.6565 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

25

32.6564 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3

32.6566 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3

32.8000 EUR

EUR 0.02 ordinary

CFD

Increasing Short

1,364

32.6200 EUR

EUR 0.02 ordinary

CFD

Closing Short

105

32.8600 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

71

32.8280 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

4,677

32.7465 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

935

32.7465 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

122

32.7465 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

41

32.7512 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1

32.7400 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

2

32.7400 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

849

32.7400 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

50

32.9000 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

993

32.7929 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

184

33.0200 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

4,252

32.8681 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,630

32.5792 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:

01 Jul 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213