Kainos Group plc

("Kainos" or the "Company")

Transaction in Own Shares

Kainos Group PLC ("the "Company") announces it has purchased the following number of its ordinary shares of 0.5 pence each through Investec Bank plc.

Ordinary Shares

Date of purchase:	6^th February 2025
Number of ordinary shares purchased:	37,544
Lowest price per share (pence):	800.00
Highest price per share (pence):	822.00
Weighted average price per day (pence):	813.2369

The Company intends to cancel the purchased shares.

The table below contains detailed information about the purchases made as part of the buyback programme which was announced by the Company on 11th November 2024 (the "Programme").

Aggregate Information

Venue	Volume-weighted average price (p)	Aggregated volume	Lowest price per share (p)	Highest price per share (p)
XLON	813.2369	37,544	800.00	822.00

Schedule of Purchases - Individual Transactions

In accordance with Article 5(1)(b) of the Market Abuse Regulation (EU) No 596/2014 as it forms part of UK law, a full breakdown of the individual trades made by Investec on behalf of the Company as part of the Programme is detailed below:

Date and time of each trade	Number of shares purchased	Price (pence per share)	Trading Venue	Transaction Reference Number
06 February 2025 08:45:49	202	803.00	XLON	00321380752TRLO1
06 February 2025 08:55:19	213	802.00	XLON	00321385738TRLO1
06 February 2025 08:55:23	207	800.00	XLON	00321385770TRLO1
06 February 2025 08:56:20	58	800.00	XLON	00321386206TRLO1
06 February 2025 08:57:36	203	801.00	XLON	00321386784TRLO1
06 February 2025 09:40:09	48	812.00	XLON	00321406941TRLO1
06 February 2025 09:40:09	100	812.00	XLON	00321406942TRLO1
06 February 2025 09:43:43	53	813.00	XLON	00321408905TRLO1
06 February 2025 09:56:07	124	815.00	XLON	00321413152TRLO1
06 February 2025 09:56:07	73	815.00	XLON	00321413153TRLO1
06 February 2025 10:01:24	208	814.00	XLON	00321413581TRLO1
06 February 2025 10:01:24	103	814.00	XLON	00321413582TRLO1
06 February 2025 10:01:24	104	814.00	XLON	00321413583TRLO1
06 February 2025 10:01:27	302	813.00	XLON	00321413587TRLO1
06 February 2025 10:01:27	127	813.00	XLON	00321413588TRLO1
06 February 2025 10:11:26	1,000	815.00	XLON	00321413992TRLO1
06 February 2025 10:15:42	210	814.00	XLON	00321414113TRLO1
06 February 2025 10:15:42	105	814.00	XLON	00321414114TRLO1
06 February 2025 10:15:42	104	814.00	XLON	00321414115TRLO1
06 February 2025 10:15:42	198	814.00	XLON	00321414116TRLO1
06 February 2025 10:15:42	25	814.00	XLON	00321414117TRLO1
06 February 2025 10:16:36	431	813.00	XLON	00321414140TRLO1
06 February 2025 10:21:42	206	813.00	XLON	00321414363TRLO1
06 February 2025 10:21:42	100	813.00	XLON	00321414364TRLO1
06 February 2025 10:21:42	592	813.00	XLON	00321414369TRLO1
06 February 2025 10:22:34	215	812.00	XLON	00321414399TRLO1
06 February 2025 10:29:19	209	812.00	XLON	00321414890TRLO1
06 February 2025 10:29:19	105	812.00	XLON	00321414891TRLO1
06 February 2025 10:31:35	217	812.00	XLON	00321414951TRLO1
06 February 2025 10:31:46	217	811.00	XLON	00321414955TRLO1
06 February 2025 10:31:46	100	811.00	XLON	00321414956TRLO1
06 February 2025 10:33:00	56	810.00	XLON	00321415018TRLO1
06 February 2025 10:33:00	80	810.00	XLON	00321415019TRLO1
06 February 2025 10:33:00	80	810.00	XLON	00321415020TRLO1
06 February 2025 10:42:41	100	816.00	XLON	00321415396TRLO1
06 February 2025 10:42:41	310	816.00	XLON	00321415397TRLO1
06 February 2025 10:42:41	235	816.00	XLON	00321415398TRLO1
06 February 2025 10:55:21	223	816.00	XLON	00321415915TRLO1
06 February 2025 10:55:21	111	816.00	XLON	00321415916TRLO1
06 February 2025 11:02:57	106	815.00	XLON	00321416210TRLO1
06 February 2025 11:02:59	108	815.00	XLON	00321416217TRLO1
06 February 2025 11:04:56	328	816.00	XLON	00321416301TRLO1
06 February 2025 11:30:42	434	816.00	XLON	00321417496TRLO1
06 February 2025 11:30:42	418	815.00	XLON	00321417497TRLO1
06 February 2025 11:30:42	490	815.00	XLON	00321417498TRLO1
06 February 2025 11:30:42	25	815.00	XLON	00321417499TRLO1
06 February 2025 11:30:42	300	816.00	XLON	00321417500TRLO1
06 February 2025 11:30:42	243	816.00	XLON	00321417501TRLO1
06 February 2025 11:30:42	179	815.00	XLON	00321417502TRLO1
06 February 2025 11:30:46	62	817.00	XLON	00321417518TRLO1
06 February 2025 11:30:46	357	817.00	XLON	00321417519TRLO1
06 February 2025 11:30:46	490	817.00	XLON	00321417520TRLO1
06 February 2025 12:10:51	329	821.00	XLON	00321420158TRLO1
06 February 2025 12:10:51	110	821.00	XLON	00321420159TRLO1
06 February 2025 12:14:46	111	820.00	XLON	00321420489TRLO1
06 February 2025 12:20:24	69	819.00	XLON	00321420765TRLO1
06 February 2025 12:20:24	18	819.00	XLON	00321420766TRLO1
06 February 2025 12:20:24	16	819.00	XLON	00321420767TRLO1
06 February 2025 12:29:49	151	821.00	XLON	00321421154TRLO1
06 February 2025 12:32:08	107	820.00	XLON	00321421248TRLO1
06 February 2025 12:38:34	111	819.00	XLON	00321421564TRLO1
06 February 2025 12:38:34	111	819.00	XLON	00321421565TRLO1
06 February 2025 12:39:01	209	818.00	XLON	00321421582TRLO1
06 February 2025 12:39:05	207	818.00	XLON	00321421588TRLO1
06 February 2025 12:49:54	105	820.00	XLON	00321422119TRLO1
06 February 2025 12:50:44	108	819.00	XLON	00321422152TRLO1
06 February 2025 12:59:38	490	820.00	XLON	00321422621TRLO1
06 February 2025 13:00:43	322	820.00	XLON	00321422696TRLO1
06 February 2025 13:06:54	110	820.00	XLON	00321422882TRLO1
06 February 2025 13:08:00	714	822.00	XLON	00321422909TRLO1
06 February 2025 13:08:00	310	821.00	XLON	00321422910TRLO1
06 February 2025 13:29:50	68	820.00	XLON	00321423749TRLO1
06 February 2025 13:29:50	40	820.00	XLON	00321423750TRLO1
06 February 2025 13:29:50	107	820.00	XLON	00321423751TRLO1
06 February 2025 13:29:50	107	820.00	XLON	00321423752TRLO1
06 February 2025 13:32:04	214	819.00	XLON	00321424099TRLO1
06 February 2025 13:32:28	49	819.00	XLON	00321424127TRLO1
06 February 2025 13:32:28	25	819.00	XLON	00321424128TRLO1
06 February 2025 13:32:29	31	819.00	XLON	00321424129TRLO1
06 February 2025 13:32:37	218	818.00	XLON	00321424134TRLO1
06 February 2025 13:38:13	218	816.00	XLON	00321424340TRLO1
06 February 2025 13:38:13	108	816.00	XLON	00321424341TRLO1
06 February 2025 13:47:36	221	815.00	XLON	00321424689TRLO1
06 February 2025 13:55:27	203	814.00	XLON	00321424913TRLO1
06 February 2025 14:12:30	99	816.00	XLON	00321425534TRLO1
06 February 2025 14:15:53	306	815.00	XLON	00321425930TRLO1
06 February 2025 14:15:53	311	814.00	XLON	00321425931TRLO1
06 February 2025 14:15:53	99	815.00	XLON	00321425932TRLO1
06 February 2025 14:15:53	270	815.00	XLON	00321425933TRLO1
06 February 2025 14:15:57	39	814.00	XLON	00321425942TRLO1
06 February 2025 14:15:57	272	814.00	XLON	00321425943TRLO1
06 February 2025 14:20:06	315	813.00	XLON	00321426182TRLO1
06 February 2025 14:28:03	333	812.00	XLON	00321426525TRLO1
06 February 2025 14:28:12	308	811.00	XLON	00321426546TRLO1
06 February 2025 14:29:05	305	810.00	XLON	00321426576TRLO1
06 February 2025 14:30:38	310	812.00	XLON	00321426688TRLO1
06 February 2025 14:30:38	200	812.00	XLON	00321426689TRLO1
06 February 2025 14:30:42	319	811.00	XLON	00321426702TRLO1
06 February 2025 14:31:33	62	811.00	XLON	00321426812TRLO1
06 February 2025 14:34:34	62	810.00	XLON	00321427066TRLO1
06 February 2025 14:34:34	7	810.00	XLON	00321427067TRLO1
06 February 2025 14:34:34	39	810.00	XLON	00321427068TRLO1
06 February 2025 14:34:34	22	811.00	XLON	00321427069TRLO1
06 February 2025 14:34:34	25	811.00	XLON	00321427070TRLO1
06 February 2025 14:34:34	14	811.00	XLON	00321427071TRLO1
06 February 2025 14:34:42	167	811.00	XLON	00321427102TRLO1
06 February 2025 14:34:53	33	810.00	XLON	00321427110TRLO1
06 February 2025 14:41:56	221	810.00	XLON	00321427746TRLO1
06 February 2025 14:42:01	250	810.00	XLON	00321427748TRLO1
06 February 2025 14:42:01	57	810.00	XLON	00321427749TRLO1
06 February 2025 14:46:13	329	809.00	XLON	00321428195TRLO1
06 February 2025 14:49:53	97	809.00	XLON	00321428403TRLO1
06 February 2025 14:56:05	117	811.00	XLON	00321428900TRLO1
06 February 2025 14:56:05	120	811.00	XLON	00321428901TRLO1
06 February 2025 15:07:39	318	813.00	XLON	00321429650TRLO1
06 February 2025 15:08:01	16	812.00	XLON	00321429672TRLO1
06 February 2025 15:08:01	125	812.00	XLON	00321429673TRLO1
06 February 2025 15:08:01	184	812.00	XLON	00321429674TRLO1
06 February 2025 15:09:35	216	812.00	XLON	00321429743TRLO1
06 February 2025 15:13:21	109	812.00	XLON	00321429857TRLO1
06 February 2025 15:17:45	206	813.00	XLON	00321430017TRLO1
06 February 2025 15:19:01	174	814.00	XLON	00321430082TRLO1
06 February 2025 15:19:01	185	814.00	XLON	00321430083TRLO1
06 February 2025 15:19:01	96	814.00	XLON	00321430084TRLO1
06 February 2025 15:19:01	34	814.00	XLON	00321430085TRLO1
06 February 2025 15:19:01	41	814.00	XLON	00321430086TRLO1
06 February 2025 15:19:01	100	814.00	XLON	00321430087TRLO1
06 February 2025 15:19:01	85	814.00	XLON	00321430088TRLO1
06 February 2025 15:19:01	206	814.00	XLON	00321430089TRLO1
06 February 2025 15:19:01	34	814.00	XLON	00321430090TRLO1
06 February 2025 15:19:01	41	814.00	XLON	00321430091TRLO1
06 February 2025 15:19:01	42	814.00	XLON	00321430092TRLO1
06 February 2025 15:19:01	92	814.00	XLON	00321430093TRLO1
06 February 2025 15:19:01	105	814.00	XLON	00321430094TRLO1
06 February 2025 15:19:01	37	814.00	XLON	00321430095TRLO1
06 February 2025 15:19:01	45	814.00	XLON	00321430096TRLO1
06 February 2025 15:19:01	39	814.00	XLON	00321430097TRLO1
06 February 2025 15:19:01	105	814.00	XLON	00321430098TRLO1
06 February 2025 15:19:01	37	814.00	XLON	00321430099TRLO1
06 February 2025 15:19:01	45	814.00	XLON	00321430100TRLO1
06 February 2025 15:19:01	41	814.00	XLON	00321430101TRLO1
06 February 2025 15:19:01	46	814.00	XLON	00321430102TRLO1
06 February 2025 15:19:01	161	814.00	XLON	00321430103TRLO1
06 February 2025 15:19:01	35	814.00	XLON	00321430104TRLO1
06 February 2025 15:19:01	204	814.00	XLON	00321430105TRLO1
06 February 2025 15:19:01	45	814.00	XLON	00321430106TRLO1
06 February 2025 15:19:01	98	814.00	XLON	00321430107TRLO1
06 February 2025 15:19:01	204	814.00	XLON	00321430108TRLO1
06 February 2025 15:19:01	45	814.00	XLON	00321430109TRLO1
06 February 2025 15:19:01	171	814.00	XLON	00321430110TRLO1
06 February 2025 15:19:01	38	814.00	XLON	00321430111TRLO1
06 February 2025 15:19:01	204	814.00	XLON	00321430112TRLO1
06 February 2025 15:19:01	45	814.00	XLON	00321430113TRLO1
06 February 2025 15:19:01	98	814.00	XLON	00321430114TRLO1
06 February 2025 15:19:01	152	814.00	XLON	00321430115TRLO1
06 February 2025 15:19:01	33	814.00	XLON	00321430116TRLO1
06 February 2025 15:19:01	223	813.00	XLON	00321430117TRLO1
06 February 2025 15:19:01	50	813.00	XLON	00321430118TRLO1
06 February 2025 15:19:01	50	813.00	XLON	00321430119TRLO1
06 February 2025 15:19:02	305	812.00	XLON	00321430120TRLO1
06 February 2025 15:19:05	52	811.00	XLON	00321430129TRLO1
06 February 2025 15:19:05	253	811.00	XLON	00321430130TRLO1
06 February 2025 15:20:29	213	810.00	XLON	00321430184TRLO1
06 February 2025 15:20:29	113	810.00	XLON	00321430185TRLO1
06 February 2025 15:20:29	325	810.00	XLON	00321430186TRLO1
06 February 2025 15:20:32	194	810.00	XLON	00321430187TRLO1
06 February 2025 15:26:16	131	810.00	XLON	00321430517TRLO1
06 February 2025 15:26:16	127	810.00	XLON	00321430518TRLO1
06 February 2025 15:27:41	433	811.00	XLON	00321430591TRLO1
06 February 2025 15:27:41	100	811.00	XLON	00321430592TRLO1
06 February 2025 15:31:05	441	810.00	XLON	00321430763TRLO1
06 February 2025 15:31:08	19	809.00	XLON	00321430766TRLO1
06 February 2025 15:32:07	249	809.00	XLON	00321430843TRLO1
06 February 2025 15:39:55	326	810.00	XLON	00321431307TRLO1
06 February 2025 15:39:55	108	810.00	XLON	00321431308TRLO1
06 February 2025 15:39:55	108	810.00	XLON	00321431309TRLO1
06 February 2025 15:39:55	72	810.00	XLON	00321431310TRLO1
06 February 2025 15:43:13	314	811.00	XLON	00321431479TRLO1
06 February 2025 15:43:14	200	811.00	XLON	00321431480TRLO1
06 February 2025 15:51:33	332	810.00	XLON	00321431879TRLO1
06 February 2025 15:51:33	111	810.00	XLON	00321431880TRLO1
06 February 2025 15:51:33	110	810.00	XLON	00321431881TRLO1
06 February 2025 15:54:53	24	809.00	XLON	00321432101TRLO1
06 February 2025 15:54:55	308	809.00	XLON	00321432106TRLO1
06 February 2025 16:00:24	309	809.00	XLON	00321432355TRLO1
06 February 2025 16:00:38	82	811.00	XLON	00321432378TRLO1
06 February 2025 16:00:38	195	811.00	XLON	00321432379TRLO1
06 February 2025 16:00:38	1	811.00	XLON	00321432380TRLO1
06 February 2025 16:00:38	290	811.00	XLON	00321432381TRLO1
06 February 2025 16:00:38	200	811.00	XLON	00321432382TRLO1
06 February 2025 16:00:38	114	811.00	XLON	00321432383TRLO1
06 February 2025 16:00:38	42	811.00	XLON	00321432384TRLO1
06 February 2025 16:00:38	47	811.00	XLON	00321432385TRLO1
06 February 2025 16:00:38	44	811.00	XLON	00321432386TRLO1
06 February 2025 16:02:55	25	811.00	XLON	00321432555TRLO1
06 February 2025 16:04:52	95	811.00	XLON	00321432705TRLO1
06 February 2025 16:04:52	214	810.00	XLON	00321432706TRLO1
06 February 2025 16:04:52	22	810.00	XLON	00321432707TRLO1
06 February 2025 16:04:52	85	810.00	XLON	00321432708TRLO1
06 February 2025 16:04:52	107	810.00	XLON	00321432709TRLO1
06 February 2025 16:04:52	181	811.00	XLON	00321432710TRLO1
06 February 2025 16:04:52	95	811.00	XLON	00321432711TRLO1
06 February 2025 16:04:52	40	811.00	XLON	00321432712TRLO1
06 February 2025 16:04:52	33	811.00	XLON	00321432713TRLO1
06 February 2025 16:04:52	290	811.00	XLON	00321432714TRLO1
06 February 2025 16:04:52	273	811.00	XLON	00321432715TRLO1
06 February 2025 16:04:52	54	811.00	XLON	00321432716TRLO1
06 February 2025 16:04:52	39	811.00	XLON	00321432717TRLO1
06 February 2025 16:05:09	174	811.00	XLON	00321432730TRLO1
06 February 2025 16:05:09	91	811.00	XLON	00321432731TRLO1
06 February 2025 16:05:09	39	811.00	XLON	00321432732TRLO1
06 February 2025 16:05:09	32	811.00	XLON	00321432733TRLO1
06 February 2025 16:05:09	40	811.00	XLON	00321432734TRLO1
06 February 2025 16:05:09	41	811.00	XLON	00321432735TRLO1
06 February 2025 16:05:09	44	811.00	XLON	00321432736TRLO1
06 February 2025 16:05:09	118	811.00	XLON	00321432737TRLO1
06 February 2025 16:05:09	91	811.00	XLON	00321432738TRLO1
06 February 2025 16:05:09	32	811.00	XLON	00321432739TRLO1
06 February 2025 16:05:09	39	811.00	XLON	00321432740TRLO1
06 February 2025 16:05:09	43	811.00	XLON	00321432741TRLO1
06 February 2025 16:05:09	32	811.00	XLON	00321432742TRLO1
06 February 2025 16:05:09	39	811.00	XLON	00321432743TRLO1
06 February 2025 16:05:12	46	811.00	XLON	00321432749TRLO1
06 February 2025 16:05:12	42	811.00	XLON	00321432750TRLO1
06 February 2025 16:05:12	174	811.00	XLON	00321432751TRLO1
06 February 2025 16:05:12	174	811.00	XLON	00321432752TRLO1
06 February 2025 16:05:12	174	811.00	XLON	00321432753TRLO1
06 February 2025 16:05:41	40	811.00	XLON	00321432771TRLO1
06 February 2025 16:05:41	46	811.00	XLON	00321432772TRLO1
06 February 2025 16:05:41	184	811.00	XLON	00321432773TRLO1
06 February 2025 16:06:06	44	811.00	XLON	00321432785TRLO1
06 February 2025 16:06:06	46	811.00	XLON	00321432786TRLO1
06 February 2025 16:06:06	196	811.00	XLON	00321432787TRLO1
06 February 2025 16:06:06	196	811.00	XLON	00321432788TRLO1
06 February 2025 16:06:06	196	811.00	XLON	00321432789TRLO1
06 February 2025 16:06:06	196	811.00	XLON	00321432790TRLO1
06 February 2025 16:06:06	196	811.00	XLON	00321432791TRLO1
06 February 2025 16:06:09	106	811.00	XLON	00321432792TRLO1
06 February 2025 16:06:09	196	811.00	XLON	00321432793TRLO1
06 February 2025 16:06:09	183	811.00	XLON	00321432794TRLO1
06 February 2025 16:06:29	39	811.00	XLON	00321432808TRLO1
06 February 2025 16:09:53	59	810.00	XLON	00321432945TRLO1
06 February 2025 16:14:54	332	816.00	XLON	00321433372TRLO1

Ends

For further information, please contact:

Kainos via FTI Consulting LLP

Brendan Mooney, Chief Executive Officer

Richard McCann, Chief Financial Officer

Investec Bank plc +44 20 7597 5970

Patrick Robb / Ben Griffiths / Nick Prowting

FTI Consulting LLP +44 20 3727 1000

Matt Dixon / Dwight Burden / Kwaku Aning

About Kainos

Kainos Group plc is a UK-headquartered provider of sophisticated IT services to major public sector, commercial and healthcare customers. Our expertise spans three divisions: Digital Services, Workday Services, and Workday Products.

Digital Services: We develop and support custom digital service platforms that transform service delivery in public, commercial, and healthcare sectors. Our solutions ensure security, accessibility, cost-effectiveness, and improved user outcomes.

Workday Services: Specialising in deploying Workday, Inc.'s Finance, HR, and Planning products, we are a respected partner in Europe and North America. Experienced in complex deployments, we are trusted to launch, test, expand, and support Workday systems.

Workday Products: Our established product suite, incorporating Smart Test, Smart Audit, and Smart Shield, complements Workday by enhancing system security and compliance. Our Employee Document Management product, launched in October 2023, improves document generation and storage within Workday while supporting an organisation's global compliance requirements. Over 500 global customers use one or more of our products.

Our people are central to our success. We have more than 3,000 people in 20 countries across Europe, Asia, and the Americas.

We are listed on the London Stock Exchange (LSE: KNOS) and you can discover more about us at www.kainos.com.

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END

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