On August 21, 2007, Drayton Richdale Corp. (OTC: DRYN) acquires 100% of all the
 outstanding shares of PetroStrata Corporation, privately held in Nevada, with
operations in Southern California and Texas. The structure of the $20 Million
purchase involved the combined issuance of SEC 144-Restricted DRYN common
shares and a $15 Million DRYN Convertible Debenture over five years at 10% per
annum to the benefit of current PetroStrata Corporation shareholders.
PetroStrata utilizes cutting edge technology, to include but not limited to,
providing perimeter security for the petroleum industry infrastructures such
as oil and gas pipelines and refineries.

The company will target international high terrorist risk petroleum industry
installations in the Middle East, Europe and the Far East to provide each
facility with proprietary security technology. Additionally, PetroStrata
PetroSeeker Technology is in beta test development for micro-bore hole field
exploration for improved oil recovery process and maximum recovery efficiency.
 PetroStrata has commitments for oil & gas exploration programs in Wyoming and
Texas. Other strategic oil and gas fields located in California are in
negotiations. Concurrently Drayton Richdale Corp. appointed a new director,
Mr. Howard Wilkinson, President of PetroStrata Corporation.