FORM 8.3

OPENING POSITION DISCLOSURE BY

A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE

Rule 8.3 of the Takeover Code (the “Code”)

 1.   KEY INFORMATION



     Full name of discloser:        Invesco Ltd.
(a)

     Owner or controller of
    interests and short positions
    disclosed, if different from 1
    (a):

(b)  The naming of nominee or
    vehicle companies is
    insufficient. For a trust, the
    trustee(s), settlor and
    beneficiaries must be named.

     Name of offeror/offeree in
    relation to whose relevant
    securities this form relates:   Aptitude Software Group PLC
(c)
     Use a separate form for each
    offeror/offeree

     If an exempt fund manager
    connected with an
(d) offeror/offeree, state this and
    specify identity of
    offeror/offeree:

     Date position held/dealing
    undertaken:
                                    08.04.2026
(e)  For an opening position
    disclosure, state the latest
    practicable date prior to the
    disclosure

     In addition to the company in
    1(c) above, is the discloser
    making disclosures in respect
    of any other party to the
(f) offer?                          N/A

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



 2.   POSITIONS OF THE PERSON 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.

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



 Class of relevant     7 1/3p ordinary, ISIN: GB00BJV2F804, LEI:
security:             2138009VHA1WI2VKMA28

                       Interests                         Short Positions

                       Number                 %          Number           %

     Relevant
    securities owned  1,166,066              2.13
(1) and/or
    controlled:

     Cash-settled
(2) derivatives:

     Stock-settled
    derivatives
    (including
(3) options) and
    agreements to
    purchase/sell:

     Total            1,166,066              2.13



 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).



 (b)  Rights to subscribe for new securities (including directors’ and
     other employee options)



 Class of relevant
security in relation
to which subscription
right exists:

 Details, including
nature of the rights
concerned and
relevant percentages:



 3.   DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE



 Where there have been dealings in more than one class of relevant
securities of the offeror or offeree named in 1(c), copy table 3(a), (b),
(c) or (d) (as appropriate) for each additional class of relevant security
dealt in.

 The currency of all prices and other monetary amounts should be stated.

 (a)  Purchases and sales



 Class of                                    Number of           Price per
relevant    Purchase/sale                   securities          unit
security

7 1/3p     Sale                             17,596              2.30 GBP
ordinary



 (b)  Cash-settled derivative transactions



                                   Nature of dealing
                                  e.g. opening/closing
 Class of  Product description    a long/short          Number of  Price
relevant  e.g. CFD                position,            reference  per unit
security                          increasing/reducing  securities
                                  a long/short
                                  position







 (c)  Stock-settled derivative transactions (including options)



 (i)  Writing, selling, purchasing or varying



 Class    Product     Writing,    Number of            Type              Option
of       description purchasing, securities  Exercise e.g.       Expiry money
relevant e.g. call   selling,    to which   price per American, date    paid/
security option      varying     option     unit      European          received
                     etc.        relates              etc.              per unit





      Exercise
(ii)



 Class of                           Exercising                    Exercise
relevant     Product description   /           Number of         price per
security    e.g. call option       exercised  securities         unit
                                   against





 (d)  Other dealings (including subscribing for new securities)



 Class of   Nature of dealing   e.g.                             Price per
relevant   subscription, conversion          Details            unit (if
security                                                        applicable)





 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
person 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



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



 Details of any agreement, arrangement or understanding, formal or
informal, between the person 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



 Is a Supplemental Form 8 (Open Positions)  NO
attached?





 Date of disclosure                         09.04.2026

 Contact name                               Philippa Holmes

 Telephone number                           +441491417447

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 .