Cerillion Regulatory News (CER)

NOTIFICATION OF MAJOR HOLDINGS

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:

CERILLION PLC

1b. Please indicate if the issuer is a non-UK issuer (please mark with an "X" if appropriate)

Non-UK issuer

2. Reason for the notification (please mark the appropriate box or boxes with an "X")

An acquisition or disposal of voting rights

X

An acquisition or disposal of financial instruments

An event changing the breakdown of voting rights

Other (please specify):

3. Details of person subject to the notification obligation

Name

CANACCORD GENUITY GROUP INC

City and country of registered office (if applicable)

VANCOUVER, CANADA

4. Full name of shareholder(s) (if different from 3.)

Name

DISCRETIONARY CLIENTS

City and country of registered office (if applicable)

As above

5. Date on which the threshold was crossed or reached:

28 APRIL 2025

6. Date on which issuer notified (DD/MM/YYYY):

29 APRIL 2025

7. Total positions of person(s) subject to the notification obligation

% of voting rights attached to shares (total of 8. A)

% of voting rights through financial instruments(total of 8.B 1 + 8.B 2)

Total of both in % (8.A + 8.B)

Total number of voting rights held in issuer (8.A + 8.B)

Resulting situation on the date on which threshold was crossed or reached

5.0064

5.0064

1,476,684

Position of previous notification (if

applicable)

4.4124

4.4124

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached

A: Voting rights attached to shares

Class/type ofshares

ISIN code (if possible)

Number of voting rights

% of voting rights

Direct

(DTR5.1)

Indirect

 (DTR5.2.1)

Direct

(DTR5.1)

Indirect

(DTR5.2.1)

GB00BYYX6C66

1,476,684

5.0064

SUBTOTAL 8. A

1,476,684

5.0064

B 1: Financial Instruments according to DTR5.3.1R (1) (a)

Type of financial instrument

Expirationdate

Exercise/Conversion Period

Number of voting rights that may be acquired if the instrument is

exercised/converted.

% of voting rights

SUBTOTAL 8. B 1

B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b)

Type of financial instrument

Expirationdate

Exercise/Conversion Period

Physical or cash

settlement

Number of voting rights

% of voting rights

SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the

applicable box with an "X")

Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer

Full chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held starting with the ultimate controlling natural person or legal entity

X

Name

% of voting rights if it equals or is higher than the notifiable threshold

% of voting rights through financial instruments if it equals or is higher than the notifiable threshold

Total of both if it equals or is higher than the notifiable threshold

Canaccord Genuity Group Inc.

5.0064

5.0064

Canaccord Genuity Wealth Group Holdings Limited

5.0064

5.0064

Canaccord Genuity Wealth Group Holdings (Jersey) Limited

5.0064

5.0064

Canaccord Genuity Wealth Group Limited

5.0064

5.0064

Canaccord Genuity Wealth Limited

2.2179

2.2179

Canaccord Genuity Asset Management Limited

2.7885

2.7885

10. In case of proxy voting, please identify:

Name of the proxy holder

The number and % of voting rights held

The date until which the voting rights will be held

11. Additional information

Place of completion

BLACKPOOL, ENGLAND

Date of completion

29 APRIL 2025