1Spatial Holdings Regulatory News (SPA)

(a) Name of exempt principal trader:

Panmure Liberum Limited

(b) Name of offeror/offeree in relation to whose relevant securities this form relates:

Use a separate form for each offeror/offeree

1Spatial plc

(c) Name of the party to the offer with which exempt principal trader is connected:

1Spatial plc

(d) Date dealing undertaken:

28 Apr 2026

(e) In addition to the company in 1(b) above, is the exempt principal trader making disclosures in respect of any other party to this offer?

If it is a cash offer or possible cash offer, state "N/A"

N/A

Class of relevant security

Purchases/ sales

Total number of securities

Highest price per unit paid/received

Lowest price per unit paid/received

10p ordinary

Purchase

3,010

0.732 GBP

0.732 GBP

Class of relevant security

Product description

e.g. CFD

Nature of dealing

e.g. opening/closing a long/short position, increasing/reducing a long/short position

Number of reference securities

Price per unit

Class of relevant security

Product description e.g. call option

Writing, purchasing, selling, varying etc.

Number of securities to which option relates

Exercise price per unit

Type

e.g. American, European etc.

Expiry date

Option money paid/ received per unit

Class of relevant security

Product description

e.g. call option

Exercising/ exercised against

Number of securities

Exercise price per unit

Class of relevant security

Nature of dealing

e.g. subscription, conversion

Details

Price per unit (if applicable)

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 exempt principal trader making the disclosure and any party to the offer or any person acting in concert with a party to the offer:

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 exempt principal trader making the disclosure 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

Date of disclosure:

29/04/2026

Contact name:

Paul Crispin

Telephone number:

+44 (0) 20 7886 2759