Create a blank page and name it panel then go to your created signup template and select parent page panel. Its just below Publish->Page Attributes.
/*Add noindex to this page (Add to functions.php)*/
function add_noindex_tags(){
# Add noindex to page.
if( is_page('panel') )
echo '<meta name="robots" content="noindex,nofollow">';
}
add_action('wp_head','add_noindex_tags', 4 );