To add a export button to Magento Recurring Profiles edit this file: /app/code/core/Mage/Adminhtml/controllers/Sales/Recurring/ProfileController.php

addExportButtonMagentoRecurringProfiles.php

<?php

// ADD THIS CODE

 /**
     * Export order grid to CSV format
     */
    public function exportCsvAction()
    {
        $fileName   = 'subscriptions.csv';
        $grid       = $this->getLayout()->createBlock('sales/adminhtml_recurring_profile_grid');
        
        $this->_prepareDownloadResponse($fileName, $grid->getCsvFile());
    }
    

    /**
     *  Export order grid to Excel XML format
     */
    public function exportExcelAction()
    {
        $fileName   = 'subscriptions.xml';
        $grid       = $this->getLayout()->createBlock('sales/adminhtml_recurring_profile_grid');
        $this->_prepareDownloadResponse($fileName, $grid->getExcelFile($fileName));
    }

?>