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:

13 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:

936,895

2.60%

107,774

0.30%

(2)

Cash-settled derivatives:

112,419

0.31%

923,460

2.57%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

1,049,314

2.92%

1,031,234

2.87%

(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

10,456

32.0011 EUR

EUR 0.02 ordinary

Purchase

8,811

32.0000 EUR

EUR 0.02 ordinary

Purchase

4,448

31.7555 EUR

EUR 0.02 ordinary

Purchase

3,938

31.8396 EUR

EUR 0.02 ordinary

Purchase

2,322

31.9055 EUR

EUR 0.02 ordinary

Purchase

1,683

31.9374 EUR

EUR 0.02 ordinary

Purchase

1,681

32.0012 EUR

EUR 0.02 ordinary

Purchase

1,200

31.6591 EUR

EUR 0.02 ordinary

Purchase

1,194

31.8882 EUR

EUR 0.02 ordinary

Purchase

1,118

31.9244 EUR

EUR 0.02 ordinary

Purchase

667

31.9149 EUR

EUR 0.02 ordinary

Purchase

385

31.8984 EUR

EUR 0.02 ordinary

Purchase

177

31.7788 EUR

EUR 0.02 ordinary

Purchase

153

31.9713 EUR

EUR 0.02 ordinary

Purchase

106

31.8571 EUR

EUR 0.02 ordinary

Purchase

82

31.8600 EUR

EUR 0.02 ordinary

Purchase

75

31.9200 EUR

EUR 0.02 ordinary

Purchase

74

31.9800 EUR

EUR 0.02 ordinary

Purchase

74

31.8800 EUR

EUR 0.02 ordinary

Purchase

59

32.0122 EUR

EUR 0.02 ordinary

Purchase

58

31.7406 EUR

EUR 0.02 ordinary

Purchase

58

32.0300 EUR

EUR 0.02 ordinary

Purchase

58

32.0550 EUR

EUR 0.02 ordinary

Purchase

46

32.0200 EUR

EUR 0.02 ordinary

Purchase

43

31.8311 EUR

EUR 0.02 ordinary

Purchase

40

31.9400 EUR

EUR 0.02 ordinary

Purchase

31

31.9000 EUR

EUR 0.02 ordinary

Purchase

28

31.8400 EUR

EUR 0.02 ordinary

Purchase

24

32.0400 EUR

EUR 0.02 ordinary

Purchase

21

31.7600 EUR

EUR 0.02 ordinary

Purchase

10

31.7200 EUR

EUR 0.02 ordinary

Purchase

8

31.8200 EUR

EUR 0.02 ordinary

Purchase

3

32.1400 EUR

EUR 0.02 ordinary

Sale

8,007

31.7870 EUR

EUR 0.02 ordinary

Sale

5,932

32.0000 EUR

EUR 0.02 ordinary

Sale

1,868

31.7209 EUR

EUR 0.02 ordinary

Sale

1,737

31.9980 EUR

EUR 0.02 ordinary

Sale

1,341

32.0064 EUR

EUR 0.02 ordinary

Sale

840

31.9360 EUR

EUR 0.02 ordinary

Sale

732

31.8346 EUR

EUR 0.02 ordinary

Sale

681

31.9182 EUR

EUR 0.02 ordinary

Sale

453

31.2210 EUR

EUR 0.02 ordinary

Sale

421

31.8314 EUR

EUR 0.02 ordinary

Sale

197

32.0985 EUR

EUR 0.02 ordinary

Sale

160

31.9400 EUR

EUR 0.02 ordinary

Sale

107

31.9403 EUR

EUR 0.02 ordinary

Sale

98

31.7400 EUR

EUR 0.02 ordinary

Sale

94

31.8200 EUR

EUR 0.02 ordinary

Sale

89

31.7474 EUR

EUR 0.02 ordinary

Sale

89

31.7106 EUR

EUR 0.02 ordinary

Sale

82

31.8600 EUR

EUR 0.02 ordinary

Sale

75

31.9200 EUR

EUR 0.02 ordinary

Sale

74

31.8800 EUR

EUR 0.02 ordinary

Sale

74

31.9800 EUR

EUR 0.02 ordinary

Sale

66

31.9064 EUR

EUR 0.02 ordinary

Sale

55

31.9720 EUR

EUR 0.02 ordinary

Sale

46

32.0200 EUR

EUR 0.02 ordinary

Sale

38

31.8400 EUR

EUR 0.02 ordinary

Sale

35

31.9000 EUR

EUR 0.02 ordinary

Sale

24

32.0400 EUR

EUR 0.02 ordinary

Sale

21

31.7600 EUR

EUR 0.02 ordinary

Sale

7

31.8542 EUR

EUR 0.02 ordinary

Sale

3

32.1400 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

48

32.0403 EUR

EUR 0.02 ordinary

SWAP

Closing Long

106

31.8571 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

11

31.8490 EUR

EUR 0.02 ordinary

CFD

Decreasing Short

453

31.2184 EUR

EUR 0.02 ordinary

CFD

Increasing Short

10

31.7200 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

7

31.7395 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,681

32.0012 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

4,166

32.0012 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

868

32.0011 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

141

32.0012 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

1,173

31.9158 EUR

EUR 0.02 ordinary

CFD

Increasing Short

3,679

31.9008 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

1,737

31.9980 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

5,281

32.0011 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

178

31.7290 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

681

31.9182 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

4,448

31.7555 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

55

31.9720 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

2,005

32.0000 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

498

32.0000 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

59

32.0122 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

116

32.0425 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

120

31.9400 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

732

31.8346 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

487

31.8416 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

385

31.8983 EUR

EUR 0.02 ordinary

SWAP

Decreasing Short

8,007

31.7870 EUR

EUR 0.02 ordinary

SWAP

Increasing Short

3,938

31.8396 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:

14 Jul 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213