NIOX GROUP PLC — Director's Dealing 2026

Apr 9, 2026

National Storage Mechanism | Additional information

RNS Number : 8698Z

Niox Group PLC

09 April 2026

NIOX Group plc

(the "Company")

Grant of options

Oxford, UK - 9 April 2026: NIOX Group plc (AIM: NIOX) announces that it has today granted options to certain Executive Directors (the "Options") over a total of 1,563,605 new ordinary shares in the Company ("Ordinary Shares") under the Company's 2026 Performance Share Plan (the "Plan").

The Options are exercisable at nominal value over the same number of Ordinary Shares and will vest on the third anniversary of the date of grant. The Options remain exercisable until the tenth anniversary of the date of grant, subject to the Plan's rules. Vesting of the Options is subject to performance over a three-year period and will be determined by reference to absolute shareholder return and clinical revenue growth.

The Options awarded to each Executive Director are shown below:

	Number of Options
Jonathan Emms	1,060,071
Sarah Duncan	503,534
	1,563,605

Additional disclosure in relation to PDMR dealing is included at the end of this announcement.

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 Broker) Jen Boorer / James Fischer	+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

1.   Jonathan Emms

2.   Sarah Duncan

2.         

Reason for the notification

a.         

Position/status

1.   Chief Executive Officer

2.   Chief Financial 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

Grant of share options under the 2026 Performance Share Plan over Ordinary Shares in NIOX Group plc

c.         

Price(s) and volume(s)

1.  

Exercise Price(s)	Volume(s)
1.   0.08p 2.   0.08p	1.   1,060,071 2.   503,534

d.         

Aggregated information

·      Aggregated volume

·      Price

n/a

e.         

Date of the transaction

9 April 2026

f.         

Place of the transaction

Outside a trading venue

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