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OSB GROUP PLC - Transaction in Own Shares

In brief · summary, not quotable

OSB Group PLC has announced the completion of its share buyback program for the period of August 17th to August 21st, 2026, during which it repurchased a total of 721,022 ordinary shares across various exchanges. The highest price paid per share was 516.00p and the lowest was 501.00p, with volume-weighted average prices ranging from 503.84p to 511.62p. These repurchased shares will be cancelled, reducing the total number of ordinary shares in issue to 339,493,747, with no shares held in treasury, resulting in an equal number of voting rights.

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The Company announces that, for the period from 17 August 2026 to 21 August 2026, inclusive, it had purchased a total of 721,022 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.

17 August 2026London Stock ExchangeCBOE BXECBOE CXEAquis Exchange
Number of ordinary shares purchased93,54556,75119,7018,437
Highest price paid (per ordinary share)507.00p506.50p506.00p506.00p
Lowest price paid (per ordinary share)502.50p502.00p502.50p502.00p
Volume weighted average price paid (per ordinary share)503.97p503.94p503.94p503.84p
18 August 2026London Stock ExchangeCBOE BXECBOE CXEAquis Exchange
Number of ordinary shares purchased84,75152,25518,2708,125
Highest price paid (per ordinary share)515.50p515.00p515.50p515.00p
Lowest price paid (per ordinary share)504.50p504.50p506.50p506.50p
Volume weighted average price paid (per ordinary share)510.73p510.76p510.82p510.80p
19 August 2026London Stock ExchangeCBOE BXECBOE CXEAquis Exchange
Number of ordinary shares purchased89,90457,60819,5009,082
Highest price paid (per ordinary share)510.00p509.50p509.50p509.50p
Lowest price paid (per ordinary share)501.00p501.00p501.00p501.00p
Volume weighted average price paid (per ordinary share)505.09p505.19p505.12p505.22p
20 August 2026London Stock ExchangeCBOE BXECBOE CXEAquis Exchange
Number of ordinary shares purchased79,58353,75717,5377,992
Highest price paid (per ordinary share)514.00p514.00p514.00p514.00p
Lowest price paid (per ordinary share)507.00p507.00p507.00p507.00p
Volume weighted average price paid (per ordinary share)509.79p509.87p509.87p509.91p
21 August 2026London Stock ExchangeCBOE BXECBOE CXEAquis Exchange
Number of ordinary shares purchased22,14515,1064,8162,157
Highest price paid (per ordinary share)516.00p515.50p516.00p515.50p
Lowest price paid (per ordinary share)508.50p509.00p508.50p508.50p
Volume weighted average price paid (per ordinary share)511.32p511.36p511.29p511.62p

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 339,493,747 ordinary shares.

No ordinary shares are held in treasury. Therefore, the total number of voting rights in the Company is 339,493,747.

Schedule of Purchases

Issuer NameOSB GROUP PLC
LEI223800ZBKL9BHSL2K459
ISINGB00BLDRH360
Intermediary NameJefferies International Limited
Intermediary CodeJEFFGB2XXXX
TimezoneGMT
CurrencyGBP

Individual Transactions:

Please see attached PDF for full list of transactions.

Cleaned text: letterheads, contacts and legal notices removed. View the original announcement ↗ · Company filings. Not investment advice.

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