Transaction in Own Shares

28 October 2016

ISSUED ON BEHALF OF RELX PLC AND RELX NV

Transactions in own shares

RELX PLC announces that today, it purchased through J.P. Morgan Securities plc 41,002 RELX PLC ordinary shares of 14 51/116 pence each on the London Stock Exchange at a price of 1461.5476 pence per share. The purchased shares will be held as treasury shares. Following the above purchase, RELX PLC holds 91,713,712 ordinary shares in treasury, and has 1,086,040,612 ordinary shares in issue (excluding treasury shares). Since 4 January 2016 RELX PLC has purchased 27,833,932 shares.

RELX NV announces that today, it purchased through J.P. Morgan Securities plc 30,202 RELX NV ordinary shares of €0.07 each on the Euronext Amsterdam Stock Exchange at a price of €15.4010 per share. The purchased shares will be held as treasury shares. Following the above purchase, RELX NV holds 82,132,403 ordinary shares in treasury, and has 967,542,877 ordinary shares in issue (excluding treasury shares). Since 4 January 2016 RELX NV has purchased 25,019,009 shares.