Option Proposal Sample Contracts

Shell Canada Investments Limited
Option Proposal • January 26th, 2007 • Royal Dutch Shell PLC • Crude petroleum & natural gas

This letter serves to set out our agreement in respect of the terms of a proposal (the “Option Proposal”) to deal with holders of Shell Canada Limited (“SCL”) options (the “Optionholders”) in connection with the offer by Shell Investments Limited (the “Offeror”) to purchase all of the issued and outstanding common shares of SCL pursuant to the terms and conditions specified in a support agreement entered into between SCL and the Offeror dated January 23, 2007 (the “Offer”).