Royal Dutch Shell plc announces that on 12 August, 2005 it purchased for cancellation 1,400,000 "A" Shares at a price of 27.09 euros per share.

Following the cancellation of these shares, the remaining number of "A" Shares of Royal Dutch Shell plc will be 4,080,886,546. *

As of 12 August, 2005 2,759,360,000 "B" Shares of Royal Dutch Shell plc were in issue.

* Assuming conversion of all Royal Dutch Petroleum shares tendered pursuant to notice of guaranteed delivery during the subsequent offer acceptance period in respect of the offer by Royal Dutch Shell plc for all ordinary shares of Royal Dutch Petroleum, which expired at 3 pm Amsterdam time on 9 August 2005.