OSB GROUP PLC - Transaction In Own Shares

(MENAFN- GlobeNewsWire - Nasdaq) OSB GROUP PLC
ISIN: GB00BLDRH360
12 October 2026

LEI number: 213800ZBKL9BHSL2K459

OSB GROUP PLC (the“Company”)
Share Buyback Programme – Transactions in Own Shares

The Company announces that, for the period from 05 October 2026 to 09 October 2026, inclusive, it had purchased a total of 1,412,893 of its ordinary shares of £0.01 each (the " ordinary shares ") on the London Stock Exchange, CBOE BXE,CBOE CXE and Aquis Exchange, through the Company's broker Jefferies International Limited as detailed below. The repurchased ordinary shares will be cancelled.

05 October 2026	London Stock Exchange	CBOE BXE	CBOE CXE	Aquis Exchange
Number of ordinary shares purchased	126,705	129,036	25,650	16,417
Highest price paid (per ordinary share)	496.40p	496.40p	496.40p	496.00p
Lowest price paid (per ordinary share)	490.60p	490.80p	491.00p	490.60p
Volume weighted average price paid (per ordinary share)	493.27p	493.31p	493.29p	493.30p

06 October 2026	London Stock Exchange	CBOE BXE	CBOE CXE	Aquis Exchange
Number of ordinary shares purchased	108,891	110,392	22,571	13,973
Highest price paid (per ordinary share)	497.80p	497.80p	497.80p	497.80p
Lowest price paid (per ordinary share)	492.60p	492.40p	492.80p	492.80p
Volume weighted average price paid (per ordinary share)	495.20p	495.21p	495.21p	495.29p

07 October 2026	London Stock Exchange	CBOE BXE	CBOE CXE	Aquis Exchange
Number of ordinary shares purchased	149,131	155,351	30,364	19,157
Highest price paid (per ordinary share)	497.00p	497.00p	496.40p	495.80p
Lowest price paid (per ordinary share)	483.20p	483.00p	483.00p	483.40p
Volume weighted average price paid (per ordinary share)	486.96p	486.98p	486.92p	486.99p

08 October 2026	London Stock Exchange	CBOE BXE	CBOE CXE	Aquis Exchange
Number of ordinary shares purchased	68,730	76,009	14,629	8,005
Highest price paid (per ordinary share)	485.60p	485.40p	485.40p	485.40p
Lowest price paid (per ordinary share)	479.60p	480.20p	480.20p	480.40p
Volume weighted average price paid (per ordinary share)	482.93p	482.96p	482.97p	482.98p

09 October 2026	London Stock Exchange	CBOE BXE	CBOE CXE	Aquis Exchange
Number of ordinary shares purchased	139,266	152,253	30,051	16,312
Highest price paid (per ordinary share)	489.40p	489.40p	489.40p	489.40p
Lowest price paid (per ordinary share)	479.00p	480.00p	480.20p	480.60p
Volume weighted average price paid (per ordinary share)	486.14p	486.23p	486.23p	486.19p

The purchases form part of the Company's share buyback programme announced on 5 March 2026.

Following settlement of the above purchases and cancellation of the purchased ordinary shares, the Company's total number of ordinary shares in issue shall be 336,514,233 ordinary shares.

No ordinary shares are held in treasury. Therefore, the total number of voting rights in the Company is 336,514,233.
In accordance with Article 5(2)(b) of Regulation (EU) No 596/2024 as incorporated into and implemented under English law (including by virtue of the European Union (Withdrawal) Act 2028), the detailed breakdown of individual trades made by Jefferies International Limited on behalf of the Company as part of the share buyback programme is set out below.

This announcement does not constitute, or form part of, an offer or any solicitation of an offer for securities in any jurisdiction.

Schedule of Purchases

Issuer Name	OSB GROUP PLC
LEI	223800ZBKL9BHSL2K459
ISIN	GB00BLDRH360
Intermediary Name	Jefferies International Limited
Intermediary Code	JEFFGB2XXXX
Timezone	GMT
Currency	GBP

Individual Transactions:

Please see attached PDF for full list of transactions.

Attachment

• 2026.10.09_OSBG Buyback Fills

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