REG - Costain Group PLC - Transaction in Own Shares
Mon 07:00
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RNS Number : 6797V Costain Group PLC 18 August 2025
18(th) August 2025
Costain Group PLC
Transaction in own shares and completion of share buyback programme
Costain Group PLC ("Costain", "the Group" or "the Company") announces that, in
accordance with the terms of its share buyback programme (the "Buyback
Programme") announced on 16(th) June 2025, it has purchased the following
number of its ordinary shares of 1 pence each ("Ordinary Shares") on the
London Stock Exchange through Panmure Liberum.
Date of Purchase 15(th) August 2025
Number of Ordinary Shares purchased 225,900
Weighted average price per day (pence) 164.08
Highest price per share (pence) 165.80
Lowest price per share (pence) 162.80
The purchased Ordinary Shares will be cancelled. The Company does not hold any
Ordinary Shares in treasury.
Costain has now purchased 6,395,100 Ordinary Shares in aggregate for
cancellation under the Buyback Programme. Following settlement of the above
purchases and cancellation of the purchased Ordinary Shares, the Group's total
number of Ordinary Shares in issue will be 266,603,375 Ordinary Shares.
The £10m Buyback Programme is now complete in accordance with its terms.
Details of Trades:
Aggregate information
Venue Volume-weighted average price (p) Aggregated volume Lowest price per share (p) Highest price per share (p)
XLON 164.11 139,700 162.80 165.80
BATE 164.03 71,000 162.80 164.60
CHIX 163.98 12,000 163.00 164.60
TRQX 164.02 3,200 163.20 164.60
Individual Transactions
In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 as it
applies in the UK (the Market Abuse Regulation), the table below contains
detailed information of the individual trades made by Panmure Liberum on
behalf of Costain as part of the Buyback Programme.
Time of transaction Number of shares purchased Transaction price (pence per share) Venue Transaction reference no.
08:07:31 1461 163.00 CHIX 00041482289TRLO0
08:07:31 1465 163.00 BATE 00041482290TRLO0
08:07:31 999 163.00 XLON 00041482291TRLO0
08:09:31 988 162.80 XLON 00041482346TRLO0
08:09:31 1282 162.80 BATE 00041482347TRLO0
08:14:35 1060 162.80 BATE 00041482490TRLO0
08:14:35 987 162.80 XLON 00041482491TRLO0
08:29:48 968 163.40 XLON 00041482841TRLO0
08:31:09 1611 163.40 BATE 00041482886TRLO0
08:31:09 1560 163.40 XLON 00041482887TRLO0
08:31:20 610 164.20 XLON 00041482903TRLO0
08:31:20 137 164.20 XLON 00041482904TRLO0
08:36:14 1565 164.20 XLON 00041483036TRLO0
08:36:14 893 164.00 CHIX 00041483033TRLO0
08:36:14 1379 164.00 BATE 00041483034TRLO0
08:36:14 1549 164.00 XLON 00041483035TRLO0
08:36:18 881 164.20 XLON 00041483040TRLO0
08:42:22 1536 164.60 XLON 00041483173TRLO0
08:50:38 723 164.60 XLON 00041483436TRLO0
08:50:38 228 164.60 XLON 00041483437TRLO0
08:50:38 977 164.60 BATE 00041483438TRLO0
08:55:59 1648 164.40 BATE 00041483592TRLO0
08:55:59 1423 164.40 XLON 00041483593TRLO0
08:55:59 1407 164.40 XLON 00041483594TRLO0
08:55:59 1407 164.40 BATE 00041483595TRLO0
09:11:31 280 164.60 XLON 00041484030TRLO0
09:11:31 1177 164.60 BATE 00041484031TRLO0
09:18:29 1083 164.80 XLON 00041484223TRLO0
09:18:29 206 164.60 BATE 00041484222TRLO0
09:21:18 994 164.40 CHIX 00041484293TRLO0
09:21:18 1024 164.40 BATE 00041484294TRLO0
09:21:18 5378 164.40 XLON 00041484295TRLO0
09:21:18 717 164.20 BATE 00041484296TRLO0
09:21:18 1080 164.20 XLON 00041484297TRLO0
09:21:25 1088 164.00 XLON 00041484299TRLO0
09:21:25 1337 163.80 XLON 00041484300TRLO0
09:25:00 1515 163.60 XLON 00041484379TRLO0
09:30:58 939 164.20 BATE 00041484631TRLO0
09:40:03 1184 164.00 BATE 00041484897TRLO0
09:40:03 1467 164.00 XLON 00041484898TRLO0
09:40:05 1068 164.00 XLON 00041484909TRLO0
09:43:36 853 163.80 XLON 00041485002TRLO0
09:45:25 385 163.20 TRQX 00041485027TRLO0
10:03:26 1209 163.80 XLON 00041485503TRLO0
10:03:26 1701 163.60 BATE 00041485502TRLO0
10:03:26 874 163.60 XLON 00041485504TRLO0
10:10:33 80 164.40 TRQX 00041485679TRLO0
10:10:33 286 164.40 TRQX 00041485680TRLO0
10:10:55 45 164.20 TRQX 00041485684TRLO0
10:11:31 1181 164.20 BATE 00041485692TRLO0
10:11:31 210 164.20 TRQX 00041485693TRLO0
10:13:01 933 164.00 CHIX 00041485722TRLO0
10:13:01 829 164.00 BATE 00041485723TRLO0
10:13:01 1647 164.00 XLON 00041485724TRLO0
10:18:11 71 164.20 XLON 00041485877TRLO0
10:18:11 489 164.20 XLON 00041485878TRLO0
10:18:11 671 164.20 XLON 00041485879TRLO0
10:18:11 1108 164.00 BATE 00041485875TRLO0
10:18:11 1225 164.00 XLON 00041485876TRLO0
10:24:07 1220 164.80 XLON 00041486080TRLO0
10:24:29 1513 164.80 XLON 00041486089TRLO0
10:27:20 730 164.80 XLON 00041486157TRLO0
10:27:20 420 164.80 XLON 00041486158TRLO0
10:30:23 922 164.60 BATE 00041486245TRLO0
10:30:23 554 164.60 BATE 00041486246TRLO0
10:30:23 2093 164.60 XLON 00041486247TRLO0
10:30:23 172 164.60 TRQX 00041486248TRLO0
10:31:21 1338 164.40 BATE 00041486279TRLO0
10:31:21 1210 164.40 XLON 00041486280TRLO0
10:31:25 489 164.40 XLON 00041486282TRLO0
10:31:25 538 164.40 XLON 00041486283TRLO0
10:31:25 13 164.40 XLON 00041486284TRLO0
10:44:00 870 164.60 CHIX 00041486564TRLO0
10:44:00 1404 164.60 BATE 00041486565TRLO0
10:44:00 1455 164.60 XLON 00041486566TRLO0
10:52:40 525 164.60 XLON 00041486835TRLO0
10:52:40 1562 164.60 XLON 00041486836TRLO0
10:52:40 59 164.60 XLON 00041486837TRLO0
10:52:40 1590 164.40 BATE 00041486832TRLO0
10:52:40 546 164.40 XLON 00041486833TRLO0
10:52:40 1543 164.40 XLON 00041486834TRLO0
11:03:12 684 164.20 XLON 00041487232TRLO0
11:03:12 686 164.20 XLON 00041487233TRLO0
11:03:22 1148 164.20 XLON 00041487235TRLO0
11:03:22 1148 164.20 BATE 00041487236TRLO0
11:03:22 257 164.20 TRQX 00041487237TRLO0
11:34:00 1144 164.20 CHIX 00041488249TRLO0
11:34:00 1314 164.20 BATE 00041488250TRLO0
11:41:18 1333 164.00 XLON 00041488391TRLO0
11:48:18 1328 164.20 BATE 00041488491TRLO0
11:48:18 220 164.20 TRQX 00041488492TRLO0
11:48:18 1475 164.20 XLON 00041488493TRLO0
11:53:23 1056 164.40 XLON 00041488565TRLO0
11:56:56 1486 164.40 XLON 00041488624TRLO0
12:07:17 668 164.40 BATE 00041488918TRLO0
12:07:17 488 164.40 BATE 00041488919TRLO0
12:07:17 1272 164.40 XLON 00041488920TRLO0
12:13:25 1060 164.40 BATE 00041489066TRLO0
12:13:25 1277 164.40 XLON 00041489067TRLO0
12:27:06 878 164.20 CHIX 00041489428TRLO0
12:27:06 1015 164.20 BATE 00041489429TRLO0
12:27:06 1122 164.20 XLON 00041489430TRLO0
12:28:56 117 164.20 XLON 00041489491TRLO0
12:28:56 156 164.20 XLON 00041489492TRLO0
12:28:56 1552 164.20 XLON 00041489493TRLO0
12:28:56 1000 164.20 XLON 00041489494TRLO0
12:28:56 554 164.20 XLON 00041489495TRLO0
12:28:56 1193 164.20 XLON 00041489496TRLO0
12:28:56 292 164.00 BATE 00041489488TRLO0
12:28:56 1266 164.00 BATE 00041489489TRLO0
12:28:56 1136 164.00 XLON 00041489490TRLO0
12:30:30 1138 164.00 XLON 00041489562TRLO0
12:39:15 1530 164.00 BATE 00041489827TRLO0
12:39:15 1407 164.00 XLON 00041489828TRLO0
12:39:15 165 164.00 XLON 00041489829TRLO0
12:39:15 193 164.00 TRQX 00041489830TRLO0
12:48:14 1268 164.00 BATE 00041490199TRLO0
12:48:14 1651 164.00 XLON 00041490200TRLO0
12:55:16 1087 164.00 BATE 00041490357TRLO0
12:55:16 320 164.00 BATE 00041490358TRLO0
13:21:37 966 164.20 CHIX 00041490884TRLO0
13:21:37 1766 164.20 BATE 00041490885TRLO0
13:29:59 1926 164.00 XLON 00041491124TRLO0
13:59:42 109 164.20 BATE 00041492200TRLO0
13:59:42 329 164.20 BATE 00041492201TRLO0
13:59:42 2491 164.20 BATE 00041492202TRLO0
13:59:42 1415 164.00 BATE 00041492197TRLO0
13:59:42 413 164.00 TRQX 00041492198TRLO0
13:59:42 2935 164.00 XLON 00041492199TRLO0
14:02:58 2286 164.00 XLON 00041492320TRLO0
14:03:05 1606 163.80 XLON 00041492325TRLO0
14:03:05 1272 163.80 BATE 00041492326TRLO0
14:03:05 856 163.80 CHIX 00041492327TRLO0
14:03:06 206 163.80 BATE 00041492332TRLO0
14:08:46 1385 164.00 BATE 00041492477TRLO0
14:08:46 2159 164.00 XLON 00041492478TRLO0
14:12:41 1630 164.00 XLON 00041492556TRLO0
14:12:41 414 164.00 XLON 00041492557TRLO0
14:12:41 697 163.80 BATE 00041492553TRLO0
14:12:41 895 163.80 XLON 00041492554TRLO0
14:12:41 1289 163.80 XLON 00041492555TRLO0
14:14:24 709 164.00 XLON 00041492590TRLO0
14:14:24 68 164.00 XLON 00041492591TRLO0
14:23:10 5667 164.00 XLON 00041492802TRLO0
14:25:03 1424 163.80 BATE 00041492840TRLO0
14:25:03 2403 163.80 XLON 00041492841TRLO0
14:25:27 518 163.80 XLON 00041492856TRLO0
14:25:49 209 163.80 BATE 00041492859TRLO0
14:26:26 320 163.80 BATE 00041492875TRLO0
14:26:26 1480 163.80 XLON 00041492876TRLO0
14:28:16 808 163.80 XLON 00041492923TRLO0
14:30:12 100 163.80 CHIX 00041493003TRLO0
14:33:18 911 163.80 CHIX 00041493172TRLO0
14:33:18 2277 163.80 BATE 00041493173TRLO0
14:33:18 2733 163.80 XLON 00041493174TRLO0
14:33:18 205 163.80 TRQX 00041493175TRLO0
14:35:37 694 163.80 XLON 00041493246TRLO0
14:35:37 1388 163.80 XLON 00041493247TRLO0
14:35:37 444 163.80 BATE 00041493249TRLO0
14:35:47 69 163.80 BATE 00041493252TRLO0
14:38:34 1591 163.80 BATE 00041493316TRLO0
14:38:34 1733 163.80 XLON 00041493317TRLO0
14:44:58 305 163.80 BATE 00041493529TRLO0
14:44:58 5667 163.80 XLON 00041493530TRLO0
14:45:08 2116 163.80 BATE 00041493548TRLO0
14:45:08 389 163.80 BATE 00041493549TRLO0
14:45:08 309 163.80 CHIX 00041493550TRLO0
14:45:08 1832 163.80 XLON 00041493551TRLO0
14:52:38 90 164.00 CHIX 00041493764TRLO0
14:54:46 32 164.00 CHIX 00041493826TRLO0
14:54:46 25 164.00 CHIX 00041493827TRLO0
14:57:06 71 164.00 CHIX 00041493892TRLO0
14:57:07 755 164.00 XLON 00041493893TRLO0
14:57:07 345 164.00 XLON 00041493894TRLO0
14:57:10 49 164.00 CHIX 00041493897TRLO0
15:01:02 221 164.00 CHIX 00041493990TRLO0
15:06:50 123 164.20 CHIX 00041494190TRLO0
15:06:50 518 164.20 XLON 00041494193TRLO0
15:06:50 1064 164.20 XLON 00041494194TRLO0
15:06:50 622 164.20 XLON 00041494195TRLO0
15:06:50 1708 164.20 XLON 00041494196TRLO0
15:06:50 14 164.00 CHIX 00041494191TRLO0
15:06:50 175 164.00 BATE 00041494192TRLO0
15:14:27 479 164.20 CHIX 00041494434TRLO0
15:19:42 1403 164.20 BATE 00041494710TRLO0
15:19:42 275 164.20 CHIX 00041494711TRLO0
15:19:42 1160 164.20 XLON 00041494712TRLO0
15:19:42 1532 164.20 XLON 00041494713TRLO0
15:19:42 1653 164.20 XLON 00041494714TRLO0
15:19:42 862 164.20 XLON 00041494715TRLO0
15:19:42 96 164.20 XLON 00041494716TRLO0
15:19:42 992 164.20 BATE 00041494717TRLO0
15:19:42 311 164.20 BATE 00041494718TRLO0
15:19:42 115 164.20 CHIX 00041494721TRLO0
15:19:42 162 164.20 TRQX 00041494722TRLO0
15:19:42 1132 164.20 BATE 00041494723TRLO0
15:19:42 1860 164.20 BATE 00041494724TRLO0
15:19:42 1746 164.20 XLON 00041494725TRLO0
15:19:42 1508 164.20 XLON 00041494726TRLO0
15:19:42 921 164.20 XLON 00041494727TRLO0
15:19:42 160 164.00 TRQX 00041494719TRLO0
15:19:42 1702 164.00 XLON 00041494720TRLO0
15:21:23 914 164.20 BATE 00041494802TRLO0
15:22:34 36 164.00 BATE 00041494832TRLO0
15:22:34 3436 164.00 BATE 00041494833TRLO0
15:22:34 3844 164.00 XLON 00041494834TRLO0
15:22:34 244 164.00 TRQX 00041494835TRLO0
15:22:34 154 164.00 CHIX 00041494836TRLO0
15:26:42 1435 164.00 BATE 00041494936TRLO0
15:26:42 1590 164.00 XLON 00041494937TRLO0
15:26:42 168 164.00 TRQX 00041494938TRLO0
15:28:43 37 164.00 CHIX 00041494998TRLO0
15:28:43 1114 164.00 XLON 00041494999TRLO0
15:28:43 988 164.00 BATE 00041495000TRLO0
15:28:43 17 164.00 BATE 00041495001TRLO0
15:44:33 104 164.80 XLON 00041495683TRLO0
15:44:33 774 164.80 XLON 00041495684TRLO0
15:45:15 646 165.40 XLON 00041495720TRLO0
15:45:15 493 165.40 XLON 00041495721TRLO0
15:45:15 376 165.40 XLON 00041495722TRLO0
15:45:16 286 165.40 XLON 00041495725TRLO0
15:45:30 52 165.40 XLON 00041495750TRLO0
15:45:30 252 165.40 XLON 00041495751TRLO0
15:45:49 32 165.40 XLON 00041495765TRLO0
15:45:55 30 165.40 XLON 00041495771TRLO0
15:46:04 36 165.40 XLON 00041495777TRLO0
15:46:33 29 165.40 XLON 00041495785TRLO0
15:47:00 25 165.40 XLON 00041495795TRLO0
15:47:24 5 165.40 XLON 00041495810TRLO0
15:47:29 25 165.40 XLON 00041495823TRLO0
15:47:52 24 165.40 XLON 00041495833TRLO0
15:48:16 25 165.40 XLON 00041495861TRLO0
15:48:40 24 165.40 XLON 00041495873TRLO0
15:52:16 85 165.80 XLON 00041495995TRLO0
15:53:55 14 165.80 XLON 00041496056TRLO0
15:53:55 2 165.80 XLON 00041496057TRLO0
15:53:55 3 165.80 XLON 00041496058TRLO0
15:53:55 235 165.80 XLON 00041496059TRLO0
15:53:55 23 165.60 XLON 00041496060TRLO0
16:00:32 100 165.80 XLON 00041496339TRLO0
Enquiries:
Investors and analysts Matt.Jones@costain.com
Matt Jones, Costain +44 (0) 7860 922 341
Financial media - Headland costain@headlandconsultancy.com
Andy Rivett-Carnac +44 (0) 7968 997365
Charlie Twigg +44 (0) 7946 494568
Issuer name: Costain Group PLC
LEI: 213800PKIJBZ2EDTKC88
ISIN: GB00B64NSP76
Classification: 2.4. Acquisition or disposal of the issuer's own shares
Intermediary name: Panmure Liberum
Intermediary Code: PMURGB2LXXX
Timezone: BST
Currency: GBp
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