Dimensional Fund Advisors Ltd. : Form 8.3 – DCC PLC – Ordinary Shares

1. KEY INFORMATION       (a) Full name of discloser Dimensional Fund Advisors Ltd. in its capacity as investment advisor and on behalf its affiliates who are also investment advisors (”Dimensional”). Dimensional expressly disclaims beneficial ownership of the shares described in this form 8.3.   (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.     (c) Name of offeror/offeree in relation to whose relevant securities this form relates
Use a separate form for each offeror/offeree DCC PLC   (d) If an exempt fund manager connected with an offeror/offeree, state this and specify identity of offeror/offeree     (e) Date position held/dealing undertaken
For an opening position disclosure, state the latest practicable date prior to the disclosure 14 May 2026   (f) In addition to the company in 1(c) above, is the discloser also 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. INTERESTS AND SHORT POSITIONS       If there are interests and short positions to disclose in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 2 for each additional class of relevant security   Interests and short positions in the relevant securities of the offeror or offeree to which the disclosure relates following the dealing (if any)       Class of relevant security €0.25 ordinary shares (IE0002424939)     Interests Short Positions     Number % Number %   (1) Relevant securities owned and/or controlled 1,578,747 1.85 %       (2) Cash-settled derivatives           (3) Stock-settled derivatives (including options) and agreements to purchase/ sell             Total 1,578,747 1.85 %               All interests and all short positions should be disclosed.

Details of options including rights to subscribe for new securities and 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.

          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 relevant security Purchase/sale Number of securities Price per unit   €0.25 ordinary shares (IE0002424939) Purchase 34 59.5500 GBP   €0.25 ordinary shares (IE0002424939) Sale 1,257 58.6502 GBP   There was a Transfer In of 64 shares of €0.25 ordinary shares       (b) Cash-settled derivative transactions       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                   (c) Stock-settled derivative transactions (including options)   (i) Writing, selling, purchasing or varying   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                     (ii) Exercise       Class of relevant security Product description e.g. call option Exercising/ exercised against Number of securities Exercise price per unit                   (d) Other dealings (including transactions in respect of new securities)                 Class of relevant security Nature of dealing e.g. subscription, conversion, exercise Details Price per unit (if 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       Full details of any agreement, arrangement or understanding between the person disclosing and any other person relating to the voting rights of any relevant securities under any option referred to on this form or relating to the voting rights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form is referenced. If none, this should be stated.   None       (c) Attachments       Is a Supplemental Form 8 attached? NO       Date of disclosure 15 May 2026   Contact name Thomas Hone   Telephone number +44 20 3033 3419