Transaction in Own Shares

Johnson Service Group PLC

29 September 2026

JohnsonServiceGroupPLC ("JSG" or the "Company")

TheCompanyannouncesthatintheperiodfrom 21 September 2026 to25 September 2026 ithaspurchasedthefollowing numberofitsordinarysharesof10penceeachthroughInvestecBankplcaspartofthebuybackprogramme which was announced by the Company on 7May 2026 (the “Programme”).

OrdinaryShares

Date of Purchase	Venue	Weighted average price per day (pence)	Number of ordinary shares purchased	Lowest price per share (pence)	Highest price per share (pence)
21 September 2026	XLON	137.8575	313,807	136.4000	138.9000
22 September 2026	XLON	138.1246	279,890	136.8000	139.1000
23 September 2026	XLON	137.8448	341,422	136.8000	138.1000
24 September 2026	XLON	138.1348	364,454	137.1000	138.6000
25 September 2026	XLON	136.3113	345,791	134.8000	136.9000

TheCompanyintendstocancelthepurchasedshares.

Inaccordance with Article 5(1)(b)of Market Abuse Regulation(EU)No 596/2014(asit formspartofthe law of the United Kingdom by virtue of the European Union (Withdrawal) Act 2018, as implemented, retained, amended, extended, re-enacted or otherwise given effect in the United Kingdom from 1 January 2021 and as amended or supplemented in the United Kingdom thereafter) a full breakdown of the individual trades made by Investec Bank plc on behalf of the Company as part of the Programme can be found at:

http://www.rns-pdf.londonstockexchange.com/rns/5587W_1-2026-9-28.pdf

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Forfurtherinformation:

JohnsonServiceGroupPLC Tel:01928704600

Peter Egan, Chief Executive Officer RyanGovender,ChiefFinancialOfficer

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