Form 8.3

LONDON--( BUSINESS WIRE)--

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:

Qube Research & Technologies Limited

(b) Owner or controller of interests and short positions disclosed, if different from 1(a):

The naming of nominee or vehicle companies is insufficient. For a trust, the trustee(s), settlor and beneficiaries must be named.

(c) Name of offeror/offeree in relation to whose relevant securities this form relates:

Use a separate form for each offeror/offeree

AMG Critical Materials N.V.

(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:

For an opening position disclosure, state the latest practicable date prior to the disclosure

22-06-2026

(f) In addition to the company in 1(c) above, is the discloser making disclosures in respect of any other party to the offer?

If it is a cash offer or possible cash offer, state “N/A”

N/A

2. POSITIONS OF THE PERSON MAKING THE DISCLOSURE

If there are positions or rights to subscribe to disclose in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 2(a) or (b) (as appropriate) for each additional class of relevant security.

(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:

0

0.00

0

0.00

(2) Cash-settled derivatives:

703,492

1.97

0

0.00

(3) Stock-settled derivatives (including options) and agreements to purchase/sell:

0

0.00

0

0.00

TOTAL:

703,492

1.97

0

0.00

All interests and all short positions should be disclosed.

Details of any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form 8 (Open Positions).

(b) Rights to subscribe for new securities (including directors’ and other employee options)

Class of relevant security in relation to which subscription right exists:

0

Details, including nature of the rights concerned and relevant percentages:

0

3. DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE

Where there have been dealings in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as appropriate) for each additional class of relevant security dealt in.

The currency of all prices and other monetary amounts should be stated.

(a) Purchases and sales

Class of relevant security

Purchase/sale

Number of securities

Price per unit (GBp)

(b) Cash-settled derivative transactions

Class of relevant security

Product description

e.g. call option

Nature of dealing

e.g. opening/closing a long/short position, increasing/reducing a long/short position

Number of securities

Exercise price per unit (EUR)

EUR 0.02 ordinary

equity swap

decreasing a long position

222

36.74

EUR 0.02 ordinary

equity swap

decreasing a long position

183

36.98

EUR 0.02 ordinary

equity swap

decreasing a long position

540

37.00

EUR 0.02 ordinary

equity swap

decreasing a long position

155

37.03

EUR 0.02 ordinary

equity swap

decreasing a short position

81

36.42

EUR 0.02 ordinary

equity swap

decreasing a short position

13

36.56

EUR 0.02 ordinary

equity swap

decreasing a short position

63

36.62

EUR 0.02 ordinary

equity swap

decreasing a short position

13

36.64

EUR 0.02 ordinary

equity swap

decreasing a short position

135

36.66

EUR 0.02 ordinary

equity swap

decreasing a short position

29

36.72

EUR 0.02 ordinary

equity swap

decreasing a short position

12

36.73

EUR 0.02 ordinary

equity swap

decreasing a short position

58

36.74

EUR 0.02 ordinary

equity swap

decreasing a short position

116

36.76

EUR 0.02 ordinary

equity swap

decreasing a short position

1301

36.82

EUR 0.02 ordinary

equity swap

decreasing a short position

29

36.86

EUR 0.02 ordinary

equity swap

decreasing a short position

12

36.90

EUR 0.02 ordinary

equity swap

decreasing a short position

12

36.91

EUR 0.02 ordinary

equity swap

decreasing a short position

333

37.02

EUR 0.02 ordinary

equity swap

decreasing a short position

679

37.04

EUR 0.02 ordinary

equity swap

decreasing a short position

50

37.10

EUR 0.02 ordinary

equity swap

decreasing a short position

12

37.11

EUR 0.02 ordinary

equity swap

increasing a long position

72

36.34

EUR 0.02 ordinary

equity swap

increasing a long position

3

36.41

EUR 0.02 ordinary

equity swap

increasing a long position

171

36.45

EUR 0.02 ordinary

equity swap

increasing a long position

33

36.46

EUR 0.02 ordinary

equity swap

increasing a long position

30

36.46

EUR 0.02 ordinary

equity swap

increasing a long position

23

36.46

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.46

EUR 0.02 ordinary

equity swap

increasing a long position

293

36.48

EUR 0.02 ordinary

equity swap

increasing a long position

246

36.50

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.51

EUR 0.02 ordinary

equity swap

increasing a long position

179

36.52

EUR 0.02 ordinary

equity swap

increasing a long position

16

36.54

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.54

EUR 0.02 ordinary

equity swap

increasing a long position

72

36.54

EUR 0.02 ordinary

equity swap

increasing a long position

32

36.54

EUR 0.02 ordinary

equity swap

increasing a long position

25

36.55

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.55

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.55

EUR 0.02 ordinary

equity swap

increasing a long position

985

36.56

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.56

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.57

EUR 0.02 ordinary

equity swap

increasing a long position

14

36.57

EUR 0.02 ordinary

equity swap

increasing a long position

20

36.57

EUR 0.02 ordinary

equity swap

increasing a long position

20

36.58

EUR 0.02 ordinary

equity swap

increasing a long position

73

36.58

EUR 0.02 ordinary

equity swap

increasing a long position

12

36.58

EUR 0.02 ordinary

equity swap

increasing a long position

31

36.59

EUR 0.02 ordinary

equity swap

increasing a long position

3

36.59

EUR 0.02 ordinary

equity swap

increasing a long position

7

36.59

EUR 0.02 ordinary

equity swap

increasing a long position

31

36.60

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.60

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.60

EUR 0.02 ordinary

equity swap

increasing a long position

104

36.60

EUR 0.02 ordinary

equity swap

increasing a long position

11

36.60

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.60

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.60

EUR 0.02 ordinary

equity swap

increasing a long position

19

36.61

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.61

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.62

EUR 0.02 ordinary

equity swap

increasing a long position

209

36.62

EUR 0.02 ordinary

equity swap

increasing a long position

29

36.63

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.63

EUR 0.02 ordinary

equity swap

increasing a long position

4

36.63

EUR 0.02 ordinary

equity swap

increasing a long position

34

36.63

EUR 0.02 ordinary

equity swap

increasing a long position

8

36.63

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.63

EUR 0.02 ordinary

equity swap

increasing a long position

10

36.64

EUR 0.02 ordinary

equity swap

increasing a long position

8

36.66

EUR 0.02 ordinary

equity swap

increasing a long position

35

36.66

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.68

EUR 0.02 ordinary

equity swap

increasing a long position

7

36.68

EUR 0.02 ordinary

equity swap

increasing a long position

7

36.68

EUR 0.02 ordinary

equity swap

increasing a long position

62

36.70

EUR 0.02 ordinary

equity swap

increasing a long position

10

36.71

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.71

EUR 0.02 ordinary

equity swap

increasing a long position

81

36.72

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.72

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.73

EUR 0.02 ordinary

equity swap

increasing a long position

4

36.73

EUR 0.02 ordinary

equity swap

increasing a long position

355

36.74

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.74

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.74

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.74

EUR 0.02 ordinary

equity swap

increasing a long position

3

36.75

EUR 0.02 ordinary

equity swap

increasing a long position

3

36.75

EUR 0.02 ordinary

equity swap

increasing a long position

52

36.75

EUR 0.02 ordinary

equity swap

increasing a long position

25

36.75

EUR 0.02 ordinary

equity swap

increasing a long position

7

36.75

EUR 0.02 ordinary

equity swap

increasing a long position

14

36.76

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.76

EUR 0.02 ordinary

equity swap

increasing a long position

171

36.76

EUR 0.02 ordinary

equity swap

increasing a long position

33

36.76

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.76

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.76

EUR 0.02 ordinary

equity swap

increasing a long position

32

36.77

EUR 0.02 ordinary

equity swap

increasing a long position

8

36.78

EUR 0.02 ordinary

equity swap

increasing a long position

27

36.78

EUR 0.02 ordinary

equity swap

increasing a long position

66

36.78

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.79

EUR 0.02 ordinary

equity swap

increasing a long position

6

36.79

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.79

EUR 0.02 ordinary

equity swap

increasing a long position

7

36.80

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.80

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.80

EUR 0.02 ordinary

equity swap

increasing a long position

24

36.80

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.80

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.80

EUR 0.02 ordinary

equity swap

increasing a long position

7

36.81

EUR 0.02 ordinary

equity swap

increasing a long position

10

36.81

EUR 0.02 ordinary

equity swap

increasing a long position

37

36.82

EUR 0.02 ordinary

equity swap

increasing a long position

4

36.82

EUR 0.02 ordinary

equity swap

increasing a long position

77

36.82

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.82

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.82

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.83

EUR 0.02 ordinary

equity swap

increasing a long position

11

36.83

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.83

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.84

EUR 0.02 ordinary

equity swap

increasing a long position

190

36.84

EUR 0.02 ordinary

equity swap

increasing a long position

4

36.84

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.85

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.85

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.85

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.85

EUR 0.02 ordinary

equity swap

increasing a long position

18

36.85

EUR 0.02 ordinary

equity swap

increasing a long position

64

36.85

EUR 0.02 ordinary

equity swap

increasing a long position

11

36.85

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.86

EUR 0.02 ordinary

equity swap

increasing a long position

146

36.86

EUR 0.02 ordinary

equity swap

increasing a long position

4

36.86

EUR 0.02 ordinary

equity swap

increasing a long position

12

36.86

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.86

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.86

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.87

EUR 0.02 ordinary

equity swap

increasing a long position

15

36.87

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.87

EUR 0.02 ordinary

equity swap

increasing a long position

3

36.87

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.87

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.87

EUR 0.02 ordinary

equity swap

increasing a long position

38

36.87

EUR 0.02 ordinary

equity swap

increasing a long position

26

36.88

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.88

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.88

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.88

EUR 0.02 ordinary

equity swap

increasing a long position

154

36.88

EUR 0.02 ordinary

equity swap

increasing a long position

12

36.89

EUR 0.02 ordinary

equity swap

increasing a long position

47

36.89

EUR 0.02 ordinary

equity swap

increasing a long position

9

36.89

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.90

EUR 0.02 ordinary

equity swap

increasing a long position

16

36.90

EUR 0.02 ordinary

equity swap

increasing a long position

4

36.90

EUR 0.02 ordinary

equity swap

increasing a long position

5

36.90

EUR 0.02 ordinary

equity swap

increasing a long position

5

36.90

EUR 0.02 ordinary

equity swap

increasing a long position

3

36.90

EUR 0.02 ordinary

equity swap

increasing a long position

3

36.90

EUR 0.02 ordinary

equity swap

increasing a long position

14

36.91

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.91

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.91

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.92

EUR 0.02 ordinary

equity swap

increasing a long position

137

36.92

EUR 0.02 ordinary

equity swap

increasing a long position

1

36.92

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.93

EUR 0.02 ordinary

equity swap

increasing a long position

393

36.94

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.94

EUR 0.02 ordinary

equity swap

increasing a long position

5

36.95

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.95

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.95

EUR 0.02 ordinary

equity swap

increasing a long position

71

36.96

EUR 0.02 ordinary

equity swap

increasing a long position

27

36.98

EUR 0.02 ordinary

equity swap

increasing a long position

2

36.99

EUR 0.02 ordinary

equity swap

increasing a long position

3

37.00

EUR 0.02 ordinary

equity swap

increasing a long position

3

37.00

EUR 0.02 ordinary

equity swap

increasing a long position

89

37.02

EUR 0.02 ordinary

equity swap

increasing a long position

2

37.04

EUR 0.02 ordinary

equity swap

increasing a long position

52

37.04

EUR 0.02 ordinary

equity swap

increasing a long position

18

37.06

EUR 0.02 ordinary

equity swap

increasing a long position

36

37.08

EUR 0.02 ordinary

equity swap

increasing a long position

1

37.08

EUR 0.02 ordinary

equity swap

increasing a long position

1

37.08

EUR 0.02 ordinary

equity swap

increasing a long position

1

37.10

EUR 0.02 ordinary

equity swap

increasing a long position

8

37.18

EUR 0.02 ordinary

equity swap

increasing a short position

58

36.74

EUR 0.02 ordinary

equity swap

increasing a short position

29

36.78

EUR 0.02 ordinary

equity swap

increasing a short position

45

36.82

EUR 0.02 ordinary

equity swap

increasing a short position

9

36.84

EUR 0.02 ordinary

equity swap

increasing a short position

29

36.86

EUR 0.02 ordinary

equity swap

increasing a short position

10

36.94

EUR 0.02 ordinary

equity swap

increasing a short position

29

36.96

EUR 0.02 ordinary

equity swap

increasing a short position

11

36.97

EUR 0.02 ordinary

equity swap

increasing a short position

90

37.02

EUR 0.02 ordinary

equity swap

increasing a short position

35

37.18

(c) Stock-settled derivative transactions (including options)

(i) Writing, selling, purchasing or varying

Class of relevant security

Product description e.g. call option

Writing, purchasing, selling, varying etc.

Number of securities to which option relates

Exercise price per unit (GBp)

Type

e.g. American, European etc.

Expiry date

Option money paid/ received per unit

(GBp)

(ii) Exercise

Class of relevant security

Product description

e.g. call option

Exercising/ exercised against

Number of securities

Exercise price per unit

0

0

0

0

0

(d) Other dealings (including subscribing for new securities)

Class of relevant security

Nature of dealing

e.g. subscription, conversion

Details

Price per unit (if applicable)

0

0

0

0

4. OTHER INFORMATION

(a) Indemnity and other dealing 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 person making the disclosure and any party to the offer or any person acting in concert with a party to the offer:

Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state “none”

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 or future acquisition or disposal of any relevant securities to which any derivative is referenced:

If there are no such agreements, arrangements or understandings, state “none”

None

(c) Attachments

Is a Supplemental Form 8 (Open Positions) attached?

NO

Date of disclosure:

23-06-2026

Contact name:

Janice Falcao

Telephone number:

00442033140679

Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service.

The Panel’s Market Surveillance Unit is available for consultation in relation to the Code’s disclosure requirements on +44 (0)20 7638 0129. The Code can be viewed on the Panel’s website at www.thetakeoverpanel.org.uk.