Holding(s) in Company

NOTIFICATION OF MAJOR HOLDINGS(to be sent to the relevant issuerandto theFCAin Microsoft Word format if possible)i

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

B.P.MARSH & PARTNERS PLC

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

2.Reason for the notification(pleasemarkthe appropriate box or boxeswith 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)iii:

3.Detailsof person subject to thenotification obligationiv

Name

Martin MacLeish

City and country of registered office (if applicable)

UK

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

Name

City and country of registered office (if applicable)

5. Date on which the thresholdwascrossed or reachedvi:

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

14/09/26

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

% of voting rights attached to shares (total of8.A)

% ofvoting rightsthroughfinancial instruments
(total of8.B1 +8.B2)

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

Total number of voting rightsheld inissuer(8.A + 8.B)vii

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

4.90%

0.00

4.90%

1,754,936

Position of previous notification(if

applicable)

5.0%

0.00

5.0%

1,869,936

8. Notified detailsof theresulting situationonthe date on which the threshold was crossed or reachedviii

A: Voting rights attached to shares

Class/type of
shares

ISINcode (if possible)

Number of voting rightsix

% ofvoting rights

Direct

(DTR5.1)

Indirect

(DTR5.2.1)

Direct

(DTR5.1)

Indirect

(DTR5.2.1)

GB00B0XLRJ79

1,754,936

4.90%

SUBTOTAL8.A

1,754,936

4.90%

B1:Financial Instrumentsaccording toDTR5.3.1R (1)(a)

Type of financialinstrument

Expiration
datex

Exercise/
Conversion Periodxi

Number of votingrights that may beacquired if theinstrument is

exercised/converted.

% of votingrights

SUBTOTAL8.B1

B 2: Financial Instrumentswith similar economic effect according toDTR5.3.1R (1)(b)

Type of financialinstrument

Expiration
datex

Exercise/
Conversion Periodxi

Physical or cash

Settlementxii

Number of votingrights

% of votingrights

SUBTOTAL8.B.2

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

applicable boxwith 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) issuerxiii

X

Fullchain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held starting with the ultimate controlling natural person or legal entity(please add additional rows as necessary)xiv

Namexv

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

% ofvoting rights throughfinancial instruments if it equals or is higher than the notifiable threshold

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

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 rightswill beheld

11. Additionalinformationxvi

Place of completion

AIM (XLON) London Stock Exchange

Date of completion

07/07/26

B.P. Marsh & Partners Plc

Daniel Topping / Alice Foulk

+44 (0)20 7233 3112

Nominated Adviser & Joint Corporate Broker:

Singer Capital Markets Advisory LLP

Charles Leigh-Pemberton / Peter Steel / James Todd

+44 (0)20 7496 3000

Joint Corporate Broker:

Investec Bank plc

Christopher Baird / Gordon Hamilton

+44 (0)20 7597 5970

Financial PR & Investor Relations:

Tavistock

Simon Hudson / Katie Hopkins / Kuba Stawiski

bpmarsh@tavistock.co.uk

+44 (0)20 7920 3150