<div id="readability-page-1"><div><table><tbody><tr><td colspan="2">1.</td><td colspan="22">KEY INFORMATION</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td>(a)</td><td colspan="12">Full name of discloser</td><td colspan="11">Wellington Management Group LLP</td><td></td></tr><tr><td>(b)</td><td colspan="12">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.</td><td colspan="11"></td><td></td></tr><tr><td>(c)</td><td colspan="12">Name of offeror/offeree in relation to whose relevant securities this form relatesUse a separate form for each offeror/offeree</td><td colspan="11">Permanent TSB Group Holdings Public Limited Company</td><td></td></tr><tr><td>(d)</td><td colspan="12">If an exempt fund manager connected with an offeror/offeree, state this and specify identity of offeror/offeree</td><td colspan="11"></td><td></td></tr><tr><td>(e)</td><td colspan="12">Date position held/dealing undertakenFor an opening position disclosure, state the latest practicable date prior to the disclosure</td><td colspan="11">24 February 2026</td><td></td></tr><tr><td>(f)</td><td colspan="12">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 &#34;N/A&#34;</td><td colspan="11">NO</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="2">2.</td><td colspan="22">INTERESTS AND SHORT POSITIONS</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="24">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</td><td></td></tr><tr><td colspan="24">Interests and short positions in the relevant securities of the offeror or offeree to which the disclosure relates following the dealing (if any)</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="8">Class of relevant security</td><td colspan="16">€0.01 ordinary shares (IE00BWB8X525)</td><td></td></tr><tr><td colspan="8"></td><td colspan="10">Interests</td><td colspan="6">Short Positions</td><td></td></tr><tr><td colspan="8"></td><td colspan="6">Number</td><td colspan="4">%</td><td colspan="5">Number</td><td>%</td><td></td></tr><tr><td>(1)</td><td colspan="7">Relevant securities owned and/or controlled</td><td colspan="6">41,617,934</td><td colspan="4">7.64 %</td><td colspan="5"></td><td></td><td></td></tr><tr><td>(2)</td><td colspan="7">Cash-settled derivatives</td><td colspan="6">68,800</td><td colspan="4">0.01 %</td><td colspan="5"></td><td></td><td></td></tr><tr><td>(3)</td><td colspan="7">Stock-settled derivatives (including options) and agreements to purchase/ sell</td><td colspan="6"></td><td colspan="4"></td><td colspan="5"></td><td></td><td></td></tr><tr><td></td><td colspan="7">Total</td><td colspan="6">41,686,734</td><td colspan="4">7.65 %</td><td colspan="5"></td><td></td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="24">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.</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="2">3.</td><td colspan="22">DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="24">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.</td><td></td></tr><tr><td colspan="2">(a)</td><td colspan="22">Purchases and sales</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="7">Class of relevant security</td><td colspan="4">Purchase/sale</td><td colspan="8">Number of securities</td><td colspan="5">Price per unit</td><td></td></tr><tr><td colspan="7">€0.01 ordinary shares (IE00BWB8X525)</td><td colspan="4">Purchase</td><td colspan="8">47,073</td><td colspan="5">3.1699 EUR</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="2">(b)</td><td colspan="22">Cash-settled derivative transactions</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="4">Class of relevant security</td><td colspan="5">Product description e.g. CFD</td><td colspan="8">Nature of dealing e.g. opening/ closing a long/ short position, increasing/ reducing a long/ short position</td><td colspan="4">Number of reference securities</td><td colspan="3">Price per unit</td><td></td></tr><tr><td colspan="4"></td><td colspan="5"></td><td colspan="8"></td><td colspan="4"></td><td colspan="3"></td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="2">(c)</td><td colspan="23">Stock-settled derivative transactions (including options)</td></tr><tr><td colspan="25"></td></tr><tr><td colspan="2">(i)</td><td colspan="23">Writing, selling, purchasing or varying</td></tr><tr><td colspan="25"></td></tr><tr><td colspan="3">Class of relevant security</td><td colspan="3">Product description e.g. call option</td><td colspan="2">Writing, purchasing, selling, varying etc.</td><td colspan="3">Number of securities to which option relates</td><td colspan="5">Exercise price per unit</td><td colspan="3">Type e.g. American, European etc.</td><td colspan="3">Expiry date</td><td colspan="3">Option money paid/ received per unit</td></tr><tr><td colspan="3"></td><td colspan="3"></td><td colspan="2"></td><td colspan="3"></td><td colspan="5"></td><td colspan="3"></td><td colspan="3"></td><td colspan="3"></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="2">(ii)</td><td colspan="22">Exercise</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="5">Class of relevant security</td><td colspan="5">Product description e.g. call option</td><td colspan="5">Exercising/ exercised against</td><td colspan="5">Number of securities</td><td colspan="4">Exercise price per unit</td><td></td></tr><tr><td colspan="5"></td><td colspan="5"></td><td colspan="5"></td><td colspan="5"></td><td colspan="4"></td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="2">(d)</td><td colspan="22">Other dealings (including transactions in respect of new securities)</td><td></td></tr><tr><td colspan="19"></td><td colspan="6"></td></tr><tr><td colspan="7">Class of relevant security</td><td colspan="4">Nature of dealing e.g. subscription, conversion, exercise</td><td colspan="8">Details</td><td colspan="5">Price per unit (if applicable)</td><td></td></tr><tr><td colspan="7"></td><td colspan="4"></td><td colspan="8"></td><td colspan="5"></td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="2">4.</td><td colspan="22">OTHER INFORMATION</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="2">(a)</td><td colspan="22">Indemnity and other dealing arrangements</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="24">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 &#34;none&#34;</td><td></td></tr><tr><td colspan="24">None</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="2">(b)</td><td colspan="22">Agreements, arrangements or understandings relating to options or derivatives</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="24">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.</td><td></td></tr><tr><td colspan="24">None</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="2">(c)</td><td colspan="22">Attachments</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="12">Is a Supplemental Form 8 attached?</td><td colspan="12">NO</td><td></td></tr><tr><td colspan="24"></td><td></td></tr><tr><td colspan="12">Date of disclosure</td><td colspan="12">25 February 2026</td><td></td></tr><tr><td colspan="12">Contact name</td><td colspan="12">Sophie Gray</td><td></td></tr><tr><td colspan="12">Telephone number</td><td colspan="12">0044 207 126 6161</td><td></td></tr><tr><td colspan="24"></td><td></td></tr></tbody></table></div>Public disclosures under Rule 8.3 of the Rules must be made to a Regulatory Information Service.RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. END ITPSEUFFIEMSELE</div>

HSBA

Wellington Management Group LLP disclosed its interests in Permanent TSB Group Holdings Plc, reporting ownership of 41,617,934 ordinary shares, representing 7.64% of the company. Additionally, they hold cash-settled derivatives amounting to 68,800 shares. On February 24, 2026, they purchased 47,073 shares at €3.1699 each. The disclosure was made on February 25, 2026, with no supplemental forms attached and no other agreements or arrangements reported.

REG - Wellington Mngmnt Gp Permanent TSB Group - Form 8.3 - Permanent TSB Group Holdings Plc