Diales Group PlcLSE: DIAL

Director/PDMR shareholding - acquisition of shares

· Issued by Diales Group Plc

12 December 2025

Diales Group Plc

("Diales" or the "Company" or the "Group")

Director/PDMR shareholding - acquisition of shares

Diales Group Plc (AIM: DIAL), the leading global professional services consultancy to the construction and engineering industries, providing multi-disciplinary consultancy services including expert witness, claims and dispute resolution services, announces that on 11 December 2025, Nicholas Stagg, Non-Executive Chair of the Company and a Person Discharging Managerial Responsibilities ("PDMR"), purchased 47,600 ordinary shares of 0.4p each ("Ordinary Shares") at a price of 21p per share. On the same date, Jane Dumeresque, Non-Executive Director and a PDMR, also purchased 47,600 Ordinary Shares at 21p per share.

Following these acquisitions, Nicholas Stagg holds 47,600 Ordinary Shares, representing approximately 0.09% of the Company's voting rights, and Jane Dumeresque holds 47,600 Ordinary Shares, also representing approximately 0.09% of the Company's voting rights.

 Enquiries:

Diales Group Plc

Mark Wheeler, Chief Executive Officer

Charlotte Parsons, Chief Financial Officer

+44 (0)207 377 0005

Shore Capital (Nominated Adviser and Broker)

Mark Percy

George Payne

  +44 (0)207 408 4050

Acuitas Communications

Simon Nayyar

Arthur Dingemans

+44 (0)203 745 0293 / +44 (0)779 976 7676 / 07557 115764

simon.nayyar@acuitascomms.com

arthur.dingemans@acuitascomms.com

The information below, set out in accordance with the requirements of the UK Market Abuse Regulation, provides further detail, including additional information on the PDMR dealing.

This information has been provided in accordance with Article 5(1)(b) of the Market Abuse Regulation (EU) No 596/2014 which is part of UK law by virtue of the European Union (Withdrawal) Act 2018.

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Nicholas Stagg

2

Reason for the notification

a)

Position/status

Non-Executive Chair

b)

Initial notification /Amendment

Initial notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Diales Group Plc

b)

LEI

213800FN83KF8AF4Y572

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of 0.4 pence each

Identification code

GB00B0L9C092

b)

Nature of the transaction

Purcahse of Ordinary Shares

c)

Price(s) and volume(s)

Price(s)

Volume(s)

21 pence

47,600

d)

Aggregated information

N/A - Single transaction

- Aggregated volume

- Price

e)

Date of the transaction

11 December 2025

f)

Place of the transaction

AIM, London Stock Exchange

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Jane Dumeresque

2

Reason for the notification

a)

Position/status

Non-Executive Director

b)

Initial notification /Amendment

Initial notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Diales Group Plc

b)

LEI

213800FN83KF8AF4Y572

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of 0.4 pence each

Identification code

GB00B0L9C092

b)

Nature of the transaction

Purcahse of Ordinary Shares

c)

Price(s) and volume(s)

Price(s)

Volume(s)

21 pence

47,600

d)

Aggregated information

N/A - Single transaction

- Aggregated volume

- Price

e)

Date of the transaction

11 December 2025

f)

Place of the transaction

AIM, London Stock Exchange

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