"10. Buy-Out by Mr Simmers On [31 March 2004 ], Mr Simmers shall be entitled to effect the Buy-Out and acquire the Buy-Out Shares and the [property] in exchange for payment by way of telegraphic transfer of the Buy-Out Price, and the Buy-Out Expenses to Mr Innes or his nominees. In exchange Mr Innes shall execute all transfers, conveyances, deeds and documents as shall be reasonably required to constitute Mr Simmers as owner of the 'A' Shares and the [property]… 21. Duration and Winding-Up The terms of this Agreement shall remain in full force and effect for a period of five years expiring on31 March 2004 . If Mr Simmers has not served on Mr Innes a notice intimating his intention to effect the Buy-Out prior to [31 March 2004 ], then this Agreement shall terminate automatically without the requirement of any party to serve notice…"