Substantial holder notice signed by a Mathew Walker - PO Box 281...

Substantial holder notice signed by a Mathew Walker - PO Box 281 West Perth. Coincidently there is a Mathew Walker who is a dirctor of ASX listed Tango Petroleum whose postal address is none other than PO Box 281, West Perth. Too close to be a coincident me thinks...

From the website of Tango Petroleum:

Mathew Walker - Director
Mr Walker has extensive experience in private and public company management and in the provision of corporate advice. Specialising in the natural resources sector, Mr Walker has served as executive Chairman or Managing Director for public companies with resource interests in North America, South America, Africa, Eastern Europe, Australia and Asia. Currently he serves as Chairman of Tango Petroleum Limited (ASX: TNP) and Blue River Mining Limited (a company incorporated in England & Wales). He is also a Director of boutique investment banking firm Alto Capital and Chairman of corporate advisory firm Cicero Corporate Services.

Mr Walker serves as Managing Director of his family livestock business, which was sold in part to Australian Agricultural Company Limited (ASX: AAC) in 2006, which was described by AAC at the time as "the world's largest and most credentialed full blood herd outside of Japan and is viewed as Australia's premier Wagyu Business".
Mr Walker is a member of the Australian Institute of Company Directors and holds a Bachelor of Business from the University of Technology, Sydney.

Howz that for ya.