“Please note that all sales by Esso (Thailand) Public Company Limited are made purely based on its Standard Terms and Conditions of Sales and Acceptance of Order (“Standard Terms and Conditions”), and no other terms. In the circumstances, no modification of the Standard Terms and Conditions shall be effected by Esso (Thailand) Public Company Limited’s acknowledgement of your forms or purchase orders containing terms or conditions at variance with or in addition to those set out in the Standard Terms and Conditions, and all such terms or conditions shall be considered null and void.”