Form 8.3 - Permanent TSB Group Holdings PLC

1.

KEY INFORMATION

(a)

Full name of discloser

Wellington Management Group LLP

(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

Permanent TSB Group Holdings Public Limited Company

(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

06 August 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"

NO

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

€0.01 ordinary shares (IE00BWB8X525)

Interests

Short Positions

Number

%

Number

%

(1)

Relevant securities owned and/or controlled

34,251,078

6.28 %

(2)

Cash-settled derivatives

61,300

0.01 %

(3)

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

Total

34,312,378

6.30 %

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

€0.01 ordinary shares (IE00BWB8X525)

Sale

2,104

2.9550 EUR

€0.01 ordinary shares (IE00BWB8X525)

Sale

958,957

2.9500 EUR

(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

07 August 2026

Contact name

Amy Evans

Telephone number

442071266984