Issued on Behalf of Relx Plc and Relx Nv

16 February 2018

ISSUED ON BEHALF OF RELX PLC AND RELX NV

Transactions in own shares

RELX PLC announces that today it purchased through UBS Limited 204,264 RELX PLC ordinary shares of 14 51/116 pence each on the London Stock Exchange at a price of 1483.3698 pence per share. The purchased shares will be held as treasury shares. Following the above purchase, RELX PLC holds 63,786,887ordinary shares in treasury, and has 1,060,063,010 ordinary shares in issue (excluding treasury shares). Since 2 January 2018 RELX PLC has purchased 3,709,101 shares.

RELX NV announces that today it purchased through UBS Limited 181,869 RELX NV ordinary shares of €0.07 each on the Euronext Amsterdam Stock Exchange at a price of €16.7479 per share. The purchased shares will be held as treasury shares. Following the above purchase, RELX NV holds 55,867,524 ordinary shares in treasury, and has 944,230,473 ordinary shares in issue (excluding treasury shares). Since 2 January 2018 RELX NV has purchased 3,304,424 shares.

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (the Market Abuse Regulation), detailed information about the individual purchases made by UBS Limited is set out below.

RELX PLC

Transaction details: RELX PLC ordinary shares of 14 51/116 pence each

Issuer name: / RELX PLC
ISIN: / GB00B2B0DG97
Intermediary name: / UBS Limited
Intermediary Code: / UBSWGB24
Timezone: / UTC
Currency: / GBP

Aggregated information

Date of purchase: / 16 February 2018
Number of ordinary shares purchased: / 204,264
Volume weighted average price paid per share (p): / 1483.3698

Disaggregated information

Transaction Date / Transaction Time / Volume / Price (p) / Platform Code / MatchId
16-Feb-2018 / 15:28:01 / 368 / 1494.00 / XLON / 988752
16-Feb-2018 / 15:28:01 / 1,225 / 1494.00 / XLON / 988750
16-Feb-2018 / 15:28:00 / 906 / 1494.00 / XLON / 988643
16-Feb-2018 / 15:26:25 / 1,490 / 1495.00 / XLON / 985097
16-Feb-2018 / 15:25:54 / 550 / 1495.50 / XLON / 983382
16-Feb-2018 / 15:25:54 / 721 / 1495.50 / XLON / 983380
16-Feb-2018 / 15:24:58 / 914 / 1495.50 / XLON / 981170
16-Feb-2018 / 15:22:24 / 888 / 1494.00 / XLON / 973224
16-Feb-2018 / 15:21:33 / 384 / 1494.00 / XLON / 970515
16-Feb-2018 / 15:21:33 / 1,833 / 1494.00 / XLON / 970513
16-Feb-2018 / 15:18:00 / 1,005 / 1494.00 / XLON / 960110
16-Feb-2018 / 15:16:24 / 920 / 1494.00 / XLON / 955361
16-Feb-2018 / 15:14:38 / 1,094 / 1494.50 / XLON / 950799
16-Feb-2018 / 15:14:38 / 1,146 / 1494.50 / XLON / 950797
16-Feb-2018 / 15:10:47 / 958 / 1494.00 / XLON / 941164
16-Feb-2018 / 15:10:32 / 880 / 1494.50 / XLON / 940552
16-Feb-2018 / 15:08:09 / 914 / 1494.50 / XLON / 934785
16-Feb-2018 / 15:06:25 / 889 / 1494.50 / XLON / 931040
16-Feb-2018 / 15:03:13 / 825 / 1495.00 / XLON / 923322
16-Feb-2018 / 15:02:35 / 873 / 1496.00 / XLON / 921869
16-Feb-2018 / 15:01:38 / 954 / 1495.00 / XLON / 920240
16-Feb-2018 / 14:59:17 / 152 / 1495.50 / XLON / 914306
16-Feb-2018 / 14:59:17 / 750 / 1495.50 / XLON / 914304
16-Feb-2018 / 14:59:17 / 1,492 / 1495.50 / XLON / 914302
16-Feb-2018 / 14:59:17 / 29 / 1495.50 / XLON / 914300
16-Feb-2018 / 14:54:38 / 985 / 1495.50 / XLON / 907559
16-Feb-2018 / 14:53:32 / 924 / 1495.50 / XLON / 905779
16-Feb-2018 / 14:50:35 / 931 / 1495.50 / XLON / 901331
16-Feb-2018 / 14:50:32 / 861 / 1496.00 / XLON / 901205
16-Feb-2018 / 14:47:26 / 103 / 1497.50 / XLON / 896448
16-Feb-2018 / 14:47:26 / 745 / 1497.50 / XLON / 896446
16-Feb-2018 / 14:47:26 / 382 / 1498.00 / XLON / 896444
16-Feb-2018 / 14:47:26 / 635 / 1498.00 / XLON / 896442
16-Feb-2018 / 14:43:47 / 856 / 1499.00 / XLON / 890151
16-Feb-2018 / 14:43:46 / 273 / 1499.50 / XLON / 890071
16-Feb-2018 / 14:43:46 / 914 / 1499.50 / XLON / 890069
16-Feb-2018 / 14:42:20 / 1,909 / 1499.50 / XLON / 887877
16-Feb-2018 / 14:37:26 / 1,376 / 1498.50 / XLON / 880457
16-Feb-2018 / 14:32:28 / 845 / 1497.50 / XLON / 872712
16-Feb-2018 / 14:30:15 / 952 / 1499.50 / XLON / 869366
16-Feb-2018 / 14:28:59 / 730 / 1499.50 / XLON / 867513
16-Feb-2018 / 14:28:59 / 265 / 1499.50 / XLON / 867511
16-Feb-2018 / 14:28:40 / 1,374 / 1500.00 / XLON / 867011
16-Feb-2018 / 14:23:25 / 932 / 1494.50 / XLON / 858298
16-Feb-2018 / 14:23:25 / 1,622 / 1495.00 / XLON / 858296
16-Feb-2018 / 14:19:12 / 964 / 1492.00 / XLON / 850945
16-Feb-2018 / 14:17:16 / 1,123 / 1491.00 / XLON / 847396
16-Feb-2018 / 14:10:52 / 885 / 1489.50 / XLON / 836747
16-Feb-2018 / 14:10:24 / 1,257 / 1490.00 / XLON / 836012
16-Feb-2018 / 14:10:24 / 2,730 / 1490.50 / XLON / 836008
16-Feb-2018 / 14:00:04 / 340 / 1483.50 / XLON / 818351
16-Feb-2018 / 14:00:04 / 636 / 1483.50 / XLON / 818349
16-Feb-2018 / 13:57:53 / 452 / 1484.00 / XLON / 814594
16-Feb-2018 / 13:57:53 / 400 / 1484.00 / XLON / 814592
16-Feb-2018 / 13:56:53 / 936 / 1485.00 / XLON / 813269
16-Feb-2018 / 13:56:43 / 1,071 / 1485.50 / XLON / 813024
16-Feb-2018 / 13:54:58 / 640 / 1485.50 / XLON / 810047
16-Feb-2018 / 13:54:58 / 543 / 1485.50 / XLON / 810045
16-Feb-2018 / 13:52:59 / 1,174 / 1485.50 / XLON / 806723
16-Feb-2018 / 13:46:05 / 394 / 1484.50 / XLON / 796120
16-Feb-2018 / 13:46:05 / 471 / 1484.50 / XLON / 796118
16-Feb-2018 / 13:43:34 / 888 / 1484.50 / XLON / 790939
16-Feb-2018 / 13:43:34 / 173 / 1484.50 / XLON / 790935
16-Feb-2018 / 13:43:34 / 804 / 1484.50 / XLON / 790937
16-Feb-2018 / 13:40:00 / 982 / 1484.00 / XLON / 785488
16-Feb-2018 / 13:40:00 / 360 / 1484.00 / XLON / 785486
16-Feb-2018 / 13:39:02 / 485 / 1484.00 / XLON / 784012
16-Feb-2018 / 13:35:32 / 830 / 1483.50 / XLON / 778689
16-Feb-2018 / 13:33:29 / 979 / 1482.50 / XLON / 775143
16-Feb-2018 / 13:32:01 / 215 / 1483.00 / XLON / 773056
16-Feb-2018 / 13:32:01 / 300 / 1483.00 / XLON / 773054
16-Feb-2018 / 13:32:01 / 438 / 1483.00 / XLON / 773052
16-Feb-2018 / 13:30:55 / 950 / 1484.00 / XLON / 771105
16-Feb-2018 / 13:28:22 / 814 / 1483.50 / XLON / 765969
16-Feb-2018 / 13:26:54 / 576 / 1483.50 / XLON / 764053
16-Feb-2018 / 13:26:54 / 376 / 1483.50 / XLON / 764055
16-Feb-2018 / 13:26:54 / 944 / 1484.00 / XLON / 764046
16-Feb-2018 / 13:26:54 / 901 / 1484.00 / XLON / 764044
16-Feb-2018 / 13:19:03 / 828 / 1483.50 / XLON / 754963
16-Feb-2018 / 13:14:53 / 865 / 1482.00 / XLON / 750164
16-Feb-2018 / 13:12:17 / 64 / 1481.50 / XLON / 746939
16-Feb-2018 / 13:12:17 / 222 / 1481.50 / XLON / 746925
16-Feb-2018 / 13:12:17 / 647 / 1481.50 / XLON / 746928
16-Feb-2018 / 13:12:17 / 1,001 / 1481.50 / XLON / 746910
16-Feb-2018 / 13:10:15 / 987 / 1482.00 / XLON / 744145
16-Feb-2018 / 13:04:05 / 930 / 1481.50 / XLON / 737188
16-Feb-2018 / 13:00:11 / 809 / 1482.00 / XLON / 732559
16-Feb-2018 / 13:00:11 / 102 / 1482.00 / XLON / 732557
16-Feb-2018 / 12:58:11 / 821 / 1482.50 / XLON / 729971
16-Feb-2018 / 12:56:11 / 1,001 / 1482.00 / XLON / 727751
16-Feb-2018 / 12:55:02 / 981 / 1483.00 / XLON / 726612
16-Feb-2018 / 12:49:03 / 994 / 1481.50 / XLON / 720925
16-Feb-2018 / 12:46:22 / 401 / 1481.50 / XLON / 718330
16-Feb-2018 / 12:46:22 / 512 / 1481.50 / XLON / 718332
16-Feb-2018 / 12:39:14 / 959 / 1482.00 / XLON / 710882
16-Feb-2018 / 12:36:49 / 16 / 1482.50 / XLON / 708434
16-Feb-2018 / 12:36:49 / 854 / 1482.50 / XLON / 708432
16-Feb-2018 / 12:34:59 / 666 / 1483.00 / XLON / 706736
16-Feb-2018 / 12:34:59 / 234 / 1483.00 / XLON / 706734
16-Feb-2018 / 12:31:00 / 643 / 1482.00 / XLON / 702936
16-Feb-2018 / 12:31:00 / 58 / 1482.00 / XLON / 702940
16-Feb-2018 / 12:31:00 / 214 / 1482.00 / XLON / 702938
16-Feb-2018 / 12:27:52 / 985 / 1482.00 / XLON / 699817
16-Feb-2018 / 12:26:48 / 5 / 1482.00 / XLON / 698835
16-Feb-2018 / 12:26:28 / 809 / 1482.00 / XLON / 698310
16-Feb-2018 / 12:22:25 / 837 / 1482.00 / XLON / 694492
16-Feb-2018 / 12:17:03 / 529 / 1480.00 / XLON / 690107
16-Feb-2018 / 12:17:03 / 451 / 1480.00 / XLON / 690105
16-Feb-2018 / 12:12:34 / 926 / 1481.00 / XLON / 686547
16-Feb-2018 / 12:12:34 / 855 / 1481.50 / XLON / 686545
16-Feb-2018 / 12:08:02 / 1,087 / 1481.50 / XLON / 683252
16-Feb-2018 / 12:03:39 / 878 / 1480.50 / XLON / 679746
16-Feb-2018 / 11:59:32 / 448 / 1479.50 / XLON / 676140
16-Feb-2018 / 11:59:32 / 440 / 1479.50 / XLON / 676138
16-Feb-2018 / 11:59:32 / 886 / 1480.00 / XLON / 676131
16-Feb-2018 / 11:49:03 / 996 / 1479.00 / XLON / 668224
16-Feb-2018 / 11:46:23 / 470 / 1480.00 / XLON / 665970
16-Feb-2018 / 11:46:23 / 473 / 1480.00 / XLON / 665972
16-Feb-2018 / 11:44:37 / 680 / 1480.00 / XLON / 664667
16-Feb-2018 / 11:44:37 / 220 / 1480.00 / XLON / 664665
16-Feb-2018 / 11:39:17 / 36 / 1480.50 / XLON / 660573
16-Feb-2018 / 11:39:16 / 103 / 1480.50 / XLON / 660563
16-Feb-2018 / 11:38:58 / 102 / 1480.50 / XLON / 660210
16-Feb-2018 / 11:38:46 / 300 / 1480.50 / XLON / 660098
16-Feb-2018 / 11:38:41 / 52 / 1480.50 / XLON / 659913
16-Feb-2018 / 11:38:32 / 237 / 1480.50 / XLON / 659776
16-Feb-2018 / 11:34:59 / 811 / 1480.50 / XLON / 656686
16-Feb-2018 / 11:34:46 / 59 / 1481.00 / XLON / 656544
16-Feb-2018 / 11:34:46 / 869 / 1481.00 / XLON / 656542
16-Feb-2018 / 11:27:18 / 901 / 1480.00 / XLON / 651195
16-Feb-2018 / 11:25:15 / 825 / 1480.50 / XLON / 649621
16-Feb-2018 / 11:20:24 / 424 / 1479.50 / XLON / 646375
16-Feb-2018 / 11:20:24 / 225 / 1479.50 / XLON / 646373
16-Feb-2018 / 11:20:24 / 191 / 1479.50 / XLON / 646371
16-Feb-2018 / 11:18:50 / 798 / 1479.50 / XLON / 645166
16-Feb-2018 / 11:18:48 / 18 / 1479.50 / XLON / 645147
16-Feb-2018 / 11:17:40 / 565 / 1480.50 / XLON / 644352
16-Feb-2018 / 11:17:40 / 750 / 1480.50 / XLON / 644350
16-Feb-2018 / 11:17:40 / 1,440 / 1480.50 / XLON / 644344
16-Feb-2018 / 11:07:30 / 34 / 1477.50 / XLON / 637560
16-Feb-2018 / 11:06:03 / 954 / 1478.00 / XLON / 636351
16-Feb-2018 / 10:58:59 / 877 / 1475.50 / XLON / 629956
16-Feb-2018 / 10:56:56 / 868 / 1478.00 / XLON / 627730
16-Feb-2018 / 10:55:03 / 919 / 1477.50 / XLON / 626165
16-Feb-2018 / 10:53:31 / 937 / 1477.50 / XLON / 624972
16-Feb-2018 / 10:48:25 / 53 / 1478.50 / XLON / 621273
16-Feb-2018 / 10:48:25 / 892 / 1478.50 / XLON / 621271
16-Feb-2018 / 10:45:26 / 821 / 1478.50 / XLON / 619283
16-Feb-2018 / 10:45:04 / 18 / 1478.50 / XLON / 619024
16-Feb-2018 / 10:40:06 / 941 / 1479.00 / XLON / 615782
16-Feb-2018 / 10:39:33 / 190 / 1479.50 / XLON / 615364
16-Feb-2018 / 10:39:33 / 700 / 1479.50 / XLON / 615362
16-Feb-2018 / 10:33:38 / 924 / 1480.00 / XLON / 611432
16-Feb-2018 / 10:30:05 / 896 / 1480.50 / XLON / 608816
16-Feb-2018 / 10:25:25 / 912 / 1484.00 / XLON / 605681
16-Feb-2018 / 10:23:13 / 984 / 1484.00 / XLON / 603994
16-Feb-2018 / 10:17:40 / 954 / 1484.50 / XLON / 600484
16-Feb-2018 / 10:13:50 / 814 / 1485.00 / XLON / 597993
16-Feb-2018 / 10:12:04 / 921 / 1485.50 / XLON / 597015
16-Feb-2018 / 10:12:04 / 37 / 1485.50 / XLON / 597013
16-Feb-2018 / 10:08:46 / 812 / 1485.50 / XLON / 594753
16-Feb-2018 / 10:03:34 / 204 / 1486.00 / XLON / 590189
16-Feb-2018 / 10:03:34 / 400 / 1486.00 / XLON / 590187
16-Feb-2018 / 10:03:34 / 404 / 1486.00 / XLON / 590185
16-Feb-2018 / 09:59:51 / 426 / 1486.50 / XLON / 586461
16-Feb-2018 / 09:59:51 / 395 / 1486.50 / XLON / 586459
16-Feb-2018 / 09:59:31 / 1,006 / 1487.00 / XLON / 586075
16-Feb-2018 / 09:52:29 / 871 / 1485.50 / XLON / 577044
16-Feb-2018 / 09:49:12 / 898 / 1484.00 / XLON / 570639
16-Feb-2018 / 09:45:55 / 916 / 1484.00 / XLON / 567168
16-Feb-2018 / 09:42:26 / 160 / 1481.50 / XLON / 564118
16-Feb-2018 / 09:42:26 / 688 / 1481.50 / XLON / 564116
16-Feb-2018 / 09:39:00 / 648 / 1482.00 / XLON / 560195
16-Feb-2018 / 09:39:00 / 177 / 1482.00 / XLON / 560198
16-Feb-2018 / 09:36:39 / 858 / 1482.00 / XLON / 558142
16-Feb-2018 / 09:33:21 / 922 / 1483.50 / XLON / 555126
16-Feb-2018 / 09:30:13 / 988 / 1483.00 / XLON / 552752
16-Feb-2018 / 09:26:40 / 789 / 1483.00 / XLON / 549393
16-Feb-2018 / 09:26:40 / 81 / 1483.00 / XLON / 549391
16-Feb-2018 / 09:22:47 / 879 / 1484.00 / XLON / 546078
16-Feb-2018 / 09:19:48 / 923 / 1484.50 / XLON / 542502
16-Feb-2018 / 09:18:09 / 440 / 1482.00 / XLON / 540701
16-Feb-2018 / 09:18:09 / 370 / 1482.00 / XLON / 540703
16-Feb-2018 / 09:18:07 / 818 / 1482.50 / XLON / 540666
16-Feb-2018 / 09:18:07 / 854 / 1482.50 / XLON / 540664
16-Feb-2018 / 09:18:07 / 849 / 1482.50 / XLON / 540662
16-Feb-2018 / 09:18:07 / 41 / 1482.50 / XLON / 540660
16-Feb-2018 / 09:16:41 / 467 / 1482.50 / XLON / 539171
16-Feb-2018 / 09:16:41 / 440 / 1482.50 / XLON / 539169
16-Feb-2018 / 09:15:52 / 1,427 / 1481.00 / XLON / 538434
16-Feb-2018 / 09:15:52 / 130 / 1481.00 / XLON / 538432
16-Feb-2018 / 09:15:52 / 69 / 1481.00 / XLON / 538430
16-Feb-2018 / 09:15:52 / 750 / 1481.00 / XLON / 538428
16-Feb-2018 / 09:15:52 / 4,765 / 1480.50 / XLON / 538426
16-Feb-2018 / 09:15:35 / 1,212 / 1479.50 / XLON / 538052
16-Feb-2018 / 09:15:28 / 2,148 / 1479.50 / XLON / 537795
16-Feb-2018 / 09:15:28 / 1,326 / 1480.00 / XLON / 537793
16-Feb-2018 / 09:15:28 / 750 / 1479.50 / XLON / 537754
16-Feb-2018 / 09:15:28 / 95 / 1479.50 / XLON / 537752
16-Feb-2018 / 09:07:33 / 545 / 1482.50 / XLON / 529007
16-Feb-2018 / 09:07:33 / 301 / 1482.50 / XLON / 529009
16-Feb-2018 / 09:05:03 / 89 / 1483.00 / XLON / 526522
16-Feb-2018 / 09:05:03 / 300 / 1483.00 / XLON / 526520
16-Feb-2018 / 09:05:03 / 580 / 1483.00 / XLON / 526518
16-Feb-2018 / 09:02:00 / 789 / 1484.50 / XLON / 524008
16-Feb-2018 / 09:02:00 / 74 / 1484.50 / XLON / 524006
16-Feb-2018 / 09:01:30 / 931 / 1485.00 / XLON / 523557
16-Feb-2018 / 08:56:22 / 919 / 1484.50 / XLON / 516556
16-Feb-2018 / 08:53:24 / 837 / 1488.00 / XLON / 512135
16-Feb-2018 / 08:52:18 / 987 / 1489.00 / XLON / 510226