Director/PDMR Shareholding

LEI: 213800ZBKL9BHSL2K459

26 March 2025

OSB GROUP PLC
(the Company)

Notification of Transactions of Persons Discharging Managerial Responsibilities (PDMRs)

The Company notifies changes in the PDMRs interests in the ordinary shares of £0.01 each Shares of the Company, arising from Awards that vested under the 2022 Deferred Share Bonus Plan (DSBP) and 2022 Performance Share Plan (PSP). The 2022 DSBP and PSP were granted on 23 March 2022 at a price of £5.5833 per ordinary share being the average closing price of the ordinary shares for the three dealing days leading up to the date of grant. 34.27 per cent of the PSP awards vested and a sufficient number of ordinary shares were sold to satisfy the tax liabilities. The net number of ordinary shares received by each PDMR are subject to a one year holding period.

Name	Number of DSBP Shares Vesting	Number of PSP Shares Vesting	Number of PSP Shares Forfeited	Total number of Shares Sold for tax	Total number of Shares Retained in Corporate Nominee Account
Executive Director
Andy Golding	54,170	11,445	21,953	30,949	34,666
Other PDMRs
Jens Bech	1,232	3,992	7,657	2,468	2,756
Jason Elphick	0	3,682	7,064	1,737	1,945
Jon Hall	0	3,989	7,652	1,882	2,107
Hasan Kazmi	2,630	4,212	8,081	3,229	3,613
Clive Kornitzer	1,482	4,365	8,375	2,762	3,085
Lisa Odendaal	0	2,877	5,520	1,358	1,519
Richard Wilson	0	3,191	6,122	1,506	1,685

The following notifications are made under Article 19 of the UK Market Abuse Regulation (UK MAR).

1. Details of the person discharging managerial responsibilities / person closely associated
Name of natural person	Andrew Golding
2. Reason for the notification
a. Position/status	Chief Executive Officer
b. Initial notification/amendment	Initial Notification
3. Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a. Full name of the entity	OSB GROUP PLC
b. Legal Entity Identifier code	213800ZBKL9BHSL2K459
4. Details of the transaction(s):
a. Description of the financial instrument, type of instrument	Ordinary shares of £0.01 each
Identification code	GB00BLDRH360
b. Nature of Transaction	Acquisition of shares following the vesting of the 2022 DSBP Disposal – tax liability Acquisition of shares following the vesting of the 2022 PSP vesting Disposal – tax liability
c. Price(s) and Volume(s)	Price	Volume
	(1) Nil	54,170
	(2) £4.4871256448	25,550
	(3) Nil	11,445
	(4) £4.4871256448	5,399
d. Aggregated Information:	Aggregated volume 54,170 25,550 11,445 5,399 Aggregated price Consideration Price: Nil Total Sale Price: £114,646.06 Consideration Price: Nil Total Sale Price: £24,225.99
e. Date of transaction	25 March 2025
f. Place of transaction	(1) and (3) Outside a trading venue (2) and (4) London Stock Exchange, Main Market (XLON)

1. Details of the person discharging managerial responsibilities / person closely associated
Name of natural person	Jens Bech
2. Reason for the notification
c. Position/status	Group Commercial Director
d. Initial notification/amendment	Initial Notification
3. Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a. Full name of the entity	OSB GROUP PLC
b. Legal Entity Identifier code	213800ZBKL9BHSL2K459
4. Details of the transaction(s):
a. Description of the financial instrument, type of instrument	Ordinary shares of £0.01 each
Identification code	GB00BLDRH360
b. Nature of Transaction	Acquisition of shares following the vesting of the 2022 DSBP Disposal – tax liability Acquisition of shares following the vesting of the 2022 PSP Disposal – tax liability
c. Price(s) and Volume(s)	Price	Volume
	(1) Nil	1,232
	(2) £4.4871256448	585
	(3) Nil	3,992
	(4) £4.4871256448	1,883
d. Aggregated Information:	Aggregated volume 1,232 585 3,992 1,883 Aggregated price Consideration Price: Nil Total Sale Price: £2,624.97 Consideration Price: Nil Total Sale Price: £8,449.26
e. Date of transaction	25 March 2025
f. Place of transaction	(1) and (3) Outside a trading venue (2) and (4) London Stock Exchange, Main Market (XLON)

1. Details of the person discharging managerial responsibilities / person closely associated
Name of natural person	Jason Elphick
2. Reason for the notification
e. Position/status	Group General Counsel and Company Secretary
f. Initial notification/amendment	Initial Notification
3. Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a. Full name of the entity	OSB GROUP PLC
b. Legal Entity Identifier code	213800ZBKL9BHSL2K459
4. Details of the transaction(s):
a. Description of the financial instrument, type of instrument	Ordinary shares of £0.01 each
Identification code	GB00BLDRH360
b. Nature of Transaction	Acquisition of shares following the vesting of the 2022 PSP Disposal – tax liability
c. Price(s) and Volume(s)	Price	Volume
	(1) Nil	3,682
	(2) £4.4871256448	1,737
d. Aggregated Information:	Aggregated volume 2,630 1,737 Aggregated price Consideration Price: Nil Total Sale Price: £7,794.14
e. Date of transaction	25 March 2025
f. Place of transaction	(1) Outside a trading venue (2) London Stock Exchange, Main Market (XLON)

1. Details of the person discharging managerial responsibilities / person closely associated
Name of natural person	Jon Hall
2. Reason for the notification
g. Position/status	Group Managing Director, Mortgages and Savings
h. Initial notification/amendment	Initial Notification
3. Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a. Full name of the entity	OSB GROUP PLC
b. Legal Entity Identifier code	213800ZBKL9BHSL2K459
4. Details of the transaction(s):
a. Description of the financial instrument, type of instrument	Ordinary shares of £0.01 each
Identification code	GB00BLDRH360
b. Nature of Transaction	Acquisition of shares following the vesting of the 2022 PSP Disposal – tax liability
c. Price(s) and Volume(s)	Price	Volume
	(1) Nil	3,989
	(2) £4.4871256448	1,882
d. Aggregated Information:	Aggregated volume 3,989 1,882 Aggregated price Consideration Price: Nil Total Sale Price: £8,444.77
e. Date of transaction	25 March 2025
f. Place of transaction	(1) Outside a trading venue (2) London Stock Exchange, Main Market (XLON)

1. Details of the person discharging managerial responsibilities / person closely associated
Name of natural person	Hasan Kazmi
2. Reason for the notification
i. Position/status	Group Chief Risk Officer
j. Initial notification/amendment	Initial Notification
3. Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a. Full name of the entity	OSB GROUP PLC
b. Legal Entity Identifier code	213800ZBKL9BHSL2K459
4. Details of the transaction(s):
a. Description of the financial instrument, type of instrument	Ordinary shares of £0.01 each
Identification code	GB00BLDRH360
b. Nature of Transaction	Acquisition of shares following the vesting of the 2022 DSBP Disposal – tax liability Acquisition of shares following the vesting of the 2022 PSP Disposal – tax liability
c. Price(s) and Volume(s)	Price	Volume
	(1) Nil	2,630
	(2) £4.4871256448	1,242
	(3) Nil	4,212
	(4) £4.4871256448	1,987
d. Aggregated Information:	Aggregated volume 2,630 1,242 4,212 1,987 Aggregated price Consideration Price: Nil Total Sale Price: £5,573.01 Consideration Price: Nil Total Sale Price: £8,915.92
e. Date of transaction	25 March 2025
f. Place of transaction	(1) and (3) Outside a trading venue (2) and (4) London Stock Exchange, Main Market (XLON)

1. Details of the person discharging managerial responsibilities / person closely associated
Name of natural person	Clive Kornitzer
2. Reason for the notification
k. Position/status	Group Chief Operating Officer
l. Initial notification/amendment	Initial Notification
3. Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a. Full name of the entity	OSB GROUP PLC
b. Legal Entity Identifier code	213800ZBKL9BHSL2K459
4. Details of the transaction(s):
a. Description of the financial instrument, type of instrument	Ordinary shares of £0.01 each
Identification code	GB00BLDRH360
b. Nature of Transaction	Acquisition of shares following the vesting of the 2022 DSBP Disposal – tax liability Acquisition of shares following the vesting of the 2022 PSP Disposal – tax liability
c. Price(s) and Volume(s)	Price	Volume
	(1) Nil	1,482
	(2) £4.4871256448	703
	(3) Nil	4,365
	(4) £4.4871256448	2,059
d. Aggregated Information:	Aggregated volume 1,482 703 4,365 2,059 Aggregated price Consideration Price: Nil Total Sale Price: £3,154.45 Consideration Price: Nil Total Sale Price: £9,238.99
e. Date of transaction	25 March 2025
f. Place of transaction	(1) and (3) Outside a trading venue (2) and (4) London Stock Exchange, Main Market (XLON)

1. Details of the person discharging managerial responsibilities / person closely associated
Name of natural person	Lisa Odendaal
2. Reason for the notification
m. Position/status	Group Chief Internal Auditor
n. Initial notification/amendment	Initial Notification
3. Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a. Full name of the entity	OSB GROUP PLC
b. Legal Entity Identifier code	213800ZBKL9BHSL2K459
4. Details of the transaction(s):
a. Description of the financial instrument, type of instrument	Ordinary shares of £0.01 each
Identification code	GB00BLDRH360
b. Nature of Transaction	Acquisition of shares following the vesting of the 2022 PSP. Disposal – tax liability
c. Price(s) and Volume(s)	Price	Volume
	(1) Nil	2,877
	(2) £4.4871256448	1,358
d. Aggregated Information:	Aggregated volume 2,877 1,358 Aggregated price Consideration Price: Nil Total Sale Price: £6,093.52
e. Date of transaction	25 March 2025
f. Place of transaction	(1) Outside a trading venue (2) London Stock Exchange, Main Market (XLON)

1. Details of the person discharging managerial responsibilities / person closely associated
Name of natural person	Richard Wilson
2. Reason for the notification
o. Position/status	Group Chief Credit Officer and MLRO
p. Initial notification/amendment	Initial Notification
3. Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a. Full name of the entity	OSB GROUP PLC
b. Legal Entity Identifier code	213800ZBKL9BHSL2K459
4. Details of the transaction(s):
a. Description of the financial instrument, type of instrument	Ordinary shares of £0.01 each
Identification code	GB00BLDRH360
b. Nature of Transaction	Acquisition of shares following the vesting of the 2022 PSP. Disposal – tax liability
c. Price(s) and Volume(s)	Price	Volume
	(1) Nil	3,191
	(2) £4.4871256448	1,506
d. Aggregated Information:	Aggregated volume 3,191 1,506 Aggregated price Consideration Price: Nil Total Sale Price: £6,757.61
e. Date of transaction	25 March 2025
f. Place of transaction	(1) Outside a trading venue (2) London Stock Exchange, Main Market (XLON)

Enquiries:

Dionne Mortley-Forde	t: 01634 848 944
Group Head of Governance & Secretariat
Investor relations
Alastair Pate Group Head of Investor Relations Email: osbrelations@osb.co.uk	t: 01634 838973
Brunswick
Robin Wrench / Simone Selzer	t: 020 7404 5959

Notes to Editors

About OSB Group PLCs

OSB began trading as a bank on 1 February 2011 and was admitted to the main market of the London Stock Exchange in June 2014 (OSB.L). OSB joined the FTSE 250 index in June 2015. On 4 October 2019, OSB acquired Charter Court Financial Services Group plc and its subsidiary businesses. On 30 November 2020, OSB GROUP PLC became the listed entity and holding company for the OSB Group. The Group provides specialist lending and retail savings and is authorised by the Prudential Regulation Authority, part of the Bank of England, and regulated by the Financial Conduct Authority and Prudential Regulation Authority. The Group reports under two segments, OneSavings Bank and Charter Court Financial Services.