1 September 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 91,287 RELX PLC ordinary shares of 14 ⁵¹/₁₁₆ pence each on the London Stock Exchange at a price of 1439.4282 pence per share. The purchased shares will be held as treasury shares. Following the above purchase, RELX PLC holds 88,002,746 ordinary shares in treasury, and has 1,089,634,299 ordinary shares in issue (excluding treasury shares). Since 4 January 2016 RELX PLC has purchased 24,122,966 shares.

RELX NV announces that today, it purchased through J.P. Morgan Securities plc 82,100 RELX NV ordinary shares of €0.07 each on the Euronext Amsterdam Stock Exchange at a price of €15.9758 per share. The purchased shares will be held as treasury shares. Following the above purchase, RELX NV holds 78,840,594 ordinary shares in treasury, and has 970,693,959 ordinary shares in issue (excluding treasury shares). Since 4 January 2016 RELX NV has purchased 21,727,200 shares.