NIOX GROUP PLC

Director's Dealing • Jul 22, 2025

National Storage Mechanism | Additional information

RNS Number : 1000S

Niox Group PLC

22 July 2025

NIOX Group plc

("NIOX" or the "Company")

Notification of a transaction by a Person Closely Associated ("PCA") with Persons Discharging Managerial Responsibilities ("PDMR")

Oxford - 22 July 2025: NIOX Group plc (AIM: NIOX) announces that it was today notified that Sharon Emms, a PCA of Jonathan Emms (Chief Executive Officer), purchased 488 Ordinary Shares in the Company on 14 July 2025 at a price of 69.3912 pence per Ordinary Share, through an automatic dividend re-investment process by Mrs Emms's trading account.

Following this purchase, Jonathan Emms's total reportable shareholding in the Company is 3,263,888 Ordinary Shares (including those held by PCAs). This equates to 0.78% of the voting rights of the Company.

Additional details are provided below in accordance with the requirements of UK MAR.

For further information, please contact:
NIOX Group plc Jonathan Emms, Chief Executive Officer Sarah Duncan, Chief Financial Officer Rebecca Clayton-Wherity, Company Secretary	+44 (0) 3303 309 356
Singer Capital Markets (Nominated Adviser and Joint Broker) Jen Boorer / James Fischer / James Todd	+44 (0) 20 7496 3000

Notification and public disclosure of transactions by persons discharging managerial responsibilities and persons closely associated with them

1.         

Details of the person discharging managerial responsibilities / person closely associated

a.         

Name

Sharon Emms

2.  

Reason for the notification

a.         

Position/status

PCA of Jonathan Emms (Chief Executive Officer)

b.         

Initial notification

/Amendment

Initial notification

3.         

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

a.         

Name

NIOX Group plc

b.         

LEI

2138006YAT138TOGA556

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

Identification code

Ordinary Shares of 0.08p each

GB00BJVD3B28

b.         

Nature of the transaction

Purchase of Ordinary Shares through an automatic dividend reinvestment

c.         

Price(s) and volume(s)

Price(s)	Volume(s)
69.3912p	488

d.         

Aggregated information

·      Aggregated volume

·      Price

n/a

e.         

Date of the transaction

14 July 2025

f.         

Place of the transaction

London Stock Exchange, AIM

This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com.

RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy.

END

DSHLLLFLEDLZBBZ