Holding(s) in Company

TR-1: Standard form for notification of major holdings

1. Issuer Details
ISIN
GB00BLDRH360
Issuer Name
OSB GROUP PLC
UK or Non-UK Issuer
UK
2. Reason for Notification
An acquisition or disposal of voting rights
3. Details of person subject to the notification obligation
Name
Jupiter Fund Management PLC
City of registered office (if applicable)
London
Country of registered office (if applicable)
United Kingdom
4. Details of the shareholder

Name	City of registered office	Country of registered office
Northern Trust
J P Morgan
Citibank

5. Date on which the threshold was crossed or reached
03-Feb-2023
6. Date on which Issuer notified
06-Feb-2023
7. Total positions of person(s) subject to the notification obligation

.	% of voting rights attached to shares (total of 8.A)	% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)	Total of both in % (8.A + 8.B)	Total number of voting rights held in issuer
Resulting situation on the date on which threshold was crossed or reached	4.970000	0.030000	5.000000	21511347
Position of previous notification (if applicable)	4.950000	0.030000	4.980000

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached
8A. Voting rights attached to shares

Class/Type of shares ISIN code(if possible)	Number of direct voting rights (DTR5.1)	Number of indirect voting rights (DTR5.2.1)	% of direct voting rights (DTR5.1)	% of indirect voting rights (DTR5.2.1)
GB00BLDRH360		21384430		4.970000
Sub Total 8.A	21384430		4.970000%

8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))

Type of financial instrument	Expiration date	Exercise/conversion period	Number of voting rights that may be acquired if the instrument is exercised/converted	% of voting rights

Sub Total 8.B1

8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))

Type of financial instrument	Expiration date	Exercise/conversion period	Physical or cash settlement	Number of voting rights	% of voting rights
CFD			Cash	126917	0.030000
Sub Total 8.B2				126917	0.030000%

9. Information in relation to the person subject to the notification obligation
2. Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary)

Ultimate controlling person	Name of controlled undertaking	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial instruments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold
Jupiter Fund Management Plc (Chain 1)		0.000000	0.000000	0.000000%
Jupiter Fund Management Plc ( Chain 1)	Jupiter Fund Management Group Limited	0.000000	0.000000	0.000000%
Jupiter Fund Management Plc ( Chain 1)	Jupiter Asset Management Group Limited	0.000000	0.000000	0.000000%
Jupiter Fund Management Plc ( Chain 1)	Knightsbridge Asset Management Limited	0.000000	0.000000	0.000000%
Jupiter Fund Management Plc ( Chain 1)	Jupiter Investment Management Group Limited	0.000000	0.000000	0.000000%
Jupiter Fund Management Plc ( Chain 1)	Jupiter Asset Management Limited	0.580000	0.030000	0.610000%
Jupiter Fund Management Plc (Chain 2)		0.000000	0.000000	0.000000%
Jupiter Fund Management Plc (Chain 2)	Merian Global Investors Limited	0.000000	0.000000	0.000000%
Jupiter Fund Management Plc (Chain 2)	Merian Global Investors (Jersey) Limited	0.000000	0.000000	0.000000%
Jupiter Fund Management Plc (Chain 2)	Merian Global Investors (Finance) Limited	0.000000	0.000000	0.000000%
Jupiter Fund Management Plc (Chain 2)	Merian Global Investors Holdings Limited	0.000000	0.000000	0.000000%
Jupiter Fund Management Plc (Chain 2)	Jupiter Investment Management Limited	4.400000	0.000000	4.400000%