1SPATIAL PLC

Major Shareholding Notification • Dec 17, 2025

National Storage Mechanism | Additional information

RNS Number : 8358L

1Spatial Plc

17 December 2025

FORM 8 (OPD)

PUBLIC OPENING POSITION DISCLOSURE BY A PARTY TO AN OFFER

Rules 8.1 and 8.2 of the Takeover Code (the "Code")

1.         KEY INFORMATION

(a) Full name of discloser:	1Spatial plc
(b) Owner or controller of interests and short positions disclosed, if different from 1(a):      The naming of nominee or vehicle companies is insufficient.  For a trust, the trustee(s), settlor and beneficiaries must be named.	N/A
(c) Name of offeror/offeree in relation to whose relevant securities this form relates:      Use a separate form for each offeror/offeree	1Spatial plc
(d) Is the discloser the offeror or the offeree?	Offeree
(e) Date position held:      The latest practicable date prior to the disclosure	12 December 2025
(f)  In addition to the company in 1(c) above, is the discloser making disclosures in respect of any other party to the offer?      If it is a cash offer or possible cash offer, state "N/A"	N/A

2.         POSITIONS OF THE PARTY TO THE OFFER MAKING THE DISCLOSURE

If there are positions or rights to subscribe to disclose in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 2(a) or (b) (as appropriate) for each additional class of relevant security.

(a)        Interests and short positions in the relevant securities of the offeror or offeree to which the disclosure relates

Class of relevant security:	Ordinary shares of £0.10 each
	Interests		Short positions
Number	%	Number	%
(1) Relevant securities owned and/or controlled:	NIL	-	NIL	-
(2) Cash-settled derivatives:	NIL	-	NIL	-
(3) Stock-settled derivatives (including options) and agreements to purchase/sell:	NIL	-	NIL	-
TOTAL:	NIL	-	NIL	-

All interests and all short positions should be disclosed.

Details of any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form 8 (Open Positions).

Details of any securities borrowing and lending positions or financial collateral arrangements should be disclosed on a Supplemental Form 8 (SBL).

(b)        Rights to subscribe for new securities

Class of relevant security in relation to which subscription right exists:	N/A
Details, including nature of the rights concerned and relevant percentages:	N/A

3.         POSITIONS OF PERSONS ACTING IN CONCERT WITH THE PARTY TO THE OFFER MAKING THE DISCLOSURE

Details of any interests, short positions and rights to subscribe (including directors' and other employee options) of any person acting in concert with the party to the offer making the disclosure:

(a)  Ordinary shares in 1Spatial plc held by the directors of 1Spatial plc and their close relatives and related trusts:

Name of Director	Number of 1Spatial plc ordinary shares of £0.10 each	Percentage of total issued 1Spatial plc ordinary share capital
Andrew Roberts	586,190	0.52%
Claire Milverton	764,125	0.68%
Stuart Ritchie	28,950	0.02%
Francis Small	13,294	0.01%
Peter Massey	91,813	0.08%

(b)  Interests in 1Spatial plc held as options or awards under the share plans of 1Spatial plc by the directors of 1Spatial plc and their close relatives and related trusts

Name of Director	Share plan	Number of ordinary shares under option / award	Exercise price (pence)	Date of grant	Vesting date	Lapse date
Claire Milverton	2018 1Spatial employee share plan	494,526	NIL	4 Sept 2018	23 Jun 2022	N/A
446,875	NIL	6 Nov 2020	5 Aug 2024	N/A
769,793	46.5	4 Sept 2018	4 Sept 2022	N/A
25,000	26.5	6 Nov 2020	6 Nov 2024	N/A
180,000	NIL	11 Dec 2025	31 Jan 2029	31 Jan 2029
Stuart Ritchie	2018 1Spatial employee share plan	300,000	NIL	13 Mar 2024	31 Jan 2027	31 Jan 2027
130,000	NIL	11 Dec 2025	31 Jan 2029	31 Jan 2029

(c)  Ordinary shares in 1Spatial plc held by other persons presumed to be acting in concert with 1Spatial plc:

Name of person presumed to be acting in concert with 1Spatial plc	Number of 1Spatial plc ordinary shares of £0.10 each	Percentage of total issued 1Spatial plc ordinary share capital (1)
N/A	N/A	N/A

Details of any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form 8 (Open Positions).

Details of any securities borrowing and lending positions or financial collateral arrangements should be disclosed on a Supplemental Form 8 (SBL).

4.         OTHER INFORMATION

(a)        Indemnity and other dealing arrangements

Details of any indemnity or option arrangement, or any agreement or understanding, formal or informal, relating to relevant securities which may be an inducement to deal or refrain from dealing entered into by the party to the offer making the disclosure or any person acting in concert with it: Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state "none"
None.

(b)        Agreements, arrangements or understandings relating to options or derivatives

Details of any agreement, arrangement or understanding, formal or informal, between the party to the offer making the disclosure, or any person acting in concert with it, and any other person relating to: (i)  the voting rights of any relevant securities under any option; or (ii) the voting rights or future acquisition or disposal of any relevant securities to which any derivative is referenced: If there are no such agreements, arrangements or understandings, state "none"
None.

(c)        Attachments

Are any Supplemental Forms attached?

Supplemental Form 8 (Open Positions)	No
Supplemental Form 8 (SBL)	No

###### Date of disclosure:	17 December 2025
###### Contact name:	Stuart Ritchie
###### Telephone number:	+44 (0)1223 420 414

Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service.

The Panel's Market Surveillance Unit is available for consultation in relation to the Code's disclosure requirements on +44 (0)20 7638 0129.

The Code can be viewed on the Panel's website at www.thetakeoverpanel.org.uk.

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