1Spatial Holdings Regulatory News (SPA)

(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

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

-

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

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:

(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

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

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.

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.

Supplemental Form 8 (Open Positions)

No

Supplemental Form 8 (SBL)

No

17 December 2025

Stuart Ritchie

+44 (0)1223 420 414