SDRL - Mandatory notification of trade

Hamilton, Bermuda, October 4, 2013 - In combination with the options awarded to CEO Per Wullf and Rune Magnus Lundetrae October 1, 2013, Mr. Wullf has exercised 50,000 historic vested options at an average strike price of NOK20.67 and subsequently sold 46,400 of these shares for NOK276.80.

Mr Lundetrae has exercised 23,400 historic vested options at an average strike price of NOK120.44 and subsequently sold these shares at NOK276.80.

The combination of the new option awards and the exercise of vested options has resulted in the following changes to their holdings:

Per Wullf has increased his direct and indirect Seadrill exposure from 170,000 to 253,600 shares, consisting of 3,600 shares and 250,000 vested and unvested options.

Rune Magnus Lundetrae has increased his direct and indirect Seadrill exposure from 93,400 shares to 110,000 shares, consisting of 110,000 vested and unvested options.

This information is subject of the disclosure requirements pursuant to section 5-12 of the Norwegian Securities Trading Act.