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:

27 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:

1,004,810

2.79%

122,653

0.34%

(2)

Cash-settled derivatives:

126,091

0.35%

987,093

2.74%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

1,130,901

3.14%

1,109,746

3.08%

(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

5,661

27.0800 EUR

EUR 0.02 ordinary

Purchase

4,968

26.9360 EUR

EUR 0.02 ordinary

Purchase

3,256

26.8600 EUR

EUR 0.02 ordinary

Purchase

1,743

26.9075 EUR

EUR 0.02 ordinary

Purchase

1,647

27.0612 EUR

EUR 0.02 ordinary

Purchase

1,113

27.0669 EUR

EUR 0.02 ordinary

Purchase

713

26.9463 EUR

EUR 0.02 ordinary

Purchase

664

27.1432 EUR

EUR 0.02 ordinary

Purchase

605

26.7200 EUR

EUR 0.02 ordinary

Purchase

446

26.9774 EUR

EUR 0.02 ordinary

Purchase

395

26.8790 EUR

EUR 0.02 ordinary

Purchase

272

26.8800 EUR

EUR 0.02 ordinary

Purchase

248

26.7663 EUR

EUR 0.02 ordinary

Purchase

194

26.7911 EUR

EUR 0.02 ordinary

Purchase

148

26.9175 EUR

EUR 0.02 ordinary

Purchase

131

26.8163 EUR

EUR 0.02 ordinary

Purchase

130

27.0789 EUR

EUR 0.02 ordinary

Purchase

107

26.8011 EUR

EUR 0.02 ordinary

Purchase

80

27.0000 EUR

EUR 0.02 ordinary

Purchase

75

26.9533 EUR

EUR 0.02 ordinary

Purchase

25

27.0700 EUR

EUR 0.02 ordinary

Purchase

6

26.9600 EUR

EUR 0.02 ordinary

Purchase

5

26.9160 EUR

EUR 0.02 ordinary

Sale

16,698

26.9168 EUR

EUR 0.02 ordinary

Sale

8,837

27.0800 EUR

EUR 0.02 ordinary

Sale

3,211

26.9405 EUR

EUR 0.02 ordinary

Sale

2,484

26.9360 EUR

EUR 0.02 ordinary

Sale

1,743

26.9075 EUR

EUR 0.02 ordinary

Sale

1,325

27.0816 EUR

EUR 0.02 ordinary

Sale

1,211

26.9064 EUR

EUR 0.02 ordinary

Sale

1,210

26.7200 EUR

EUR 0.02 ordinary

Sale

1,065

26.8441 EUR

EUR 0.02 ordinary

Sale

784

27.0485 EUR

EUR 0.02 ordinary

Sale

589

26.8501 EUR

EUR 0.02 ordinary

Sale

532

26.9101 EUR

EUR 0.02 ordinary

Sale

346

26.9000 EUR

EUR 0.02 ordinary

Sale

313

27.0709 EUR

EUR 0.02 ordinary

Sale

248

26.7663 EUR

EUR 0.02 ordinary

Sale

223

26.9774 EUR

EUR 0.02 ordinary

Sale

195

26.7517 EUR

EUR 0.02 ordinary

Sale

188

26.9604 EUR

EUR 0.02 ordinary

Sale

136

26.8800 EUR

EUR 0.02 ordinary

Sale

107

26.8011 EUR

EUR 0.02 ordinary

Sale

104

26.8000 EUR

EUR 0.02 ordinary

Sale

86

26.9108 EUR

EUR 0.02 ordinary

Sale

80

27.0000 EUR

EUR 0.02 ordinary

Sale

53

26.8200 EUR

EUR 0.02 ordinary

Sale

37

26.9600 EUR

EUR 0.02 ordinary

Sale

25

26.9700 EUR

EUR 0.02 ordinary

Sale

3

26.8400 EUR

EUR 0.02 ordinary

Sale

1

26.9208 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

Opening Long

25

27.0800 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

58

26.8279 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

3,485

27.0791 EUR

EUR 0.02 ordinary

CFD

Increasing Short

1,351

27.1110 EUR

EUR 0.02 ordinary

CFD

Increasing Short

2,620

26.9353 EUR

EUR 0.02 ordinary

CFD

Increasing Short

6

26.9600 EUR

EUR 0.02 ordinary

SWAP

Increasing Long

500

26.7178 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

1

26.9200 EUR

EUR 0.02 ordinary

SWAP

Opening Long

2,294

26.9344 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

5

26.9160 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

188

26.9604 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

100

26.9825 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

3,211

26.9405 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

223

26.9774 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

25

26.9700 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

105

26.7200 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3,256

26.8600 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

1,102

26.8480 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

346

26.9000 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

148

26.9175 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,647

27.0612 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

16,698

26.9168 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:

28 Jul 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213