This Netherlands organisation provides an excellent tool for creating an export marketing plan. It provides a step-by-step guide on how to complete the plan. A very good tool. Registration is required but is free.

How to develop an export business plan
The purpose of the Export Business Plan is to prepare your business to enter the international marketplace. This worksheet will serve as a step-by-step guide to lead you through the process of exporting your product to an international market. The worksheet is divided into sections.

Export plan guides & tools
Essential business information from the Australian government with a number of links to useful planning tools.