Export your Expression Engine 1.x content into WordPress compatible importable XML.

posts.xml

{assign_variable:my_weblog="default_site"}
{assign_variable:my_template_group="site"}
<?xml version="1.0" encoding="UTF-8" ?>
<!-- generator="WordPress/3.3.2" created="2012-06-25 23:09" -->
<rss version="2.0"
	xmlns:excerpt="http://wordpress.org/export/1.1/excerpt/"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:wp="http://wordpress.org/export/1.1/"
>

<channel>
	<title>{site_name}</title>
	<link>{site_url}</link>
	<description></description>
	<pubDate></pubDate>
	<language>en</language>
	<wp:wxr_version>1.1</wp:wxr_version>
	<wp:base_site_url>{site_url}</wp:base_site_url>
	<wp:base_blog_url>{site_url}</wp:base_blog_url>

	<generator>http://wordpress.org/?v=3.3.2</generator>

{exp:weblog:entries weblog="{my_weblog}" orderby="date" sort="desc" limit="100" rdf="off" paginate="top"}
{paginate}<!--  Page {current_page} of {total_pages} pages {pagination_links} -->{/paginate}

	<item>
		<title>{exp:xml_encode}{title}{/exp:xml_encode}</title>
		<link></link>
		<pubDate>{entry_date format="%r"}</pubDate>
		<dc:creator><![CDATA[{author}]]></dc:creator>
{!--		<guid isPermaLink="false">{site_url}?p={entry_id}</guid> --}
		<description></description>
		<content:encoded><![CDATA[{summary}{body}{extended}]]></content:encoded>
		 
{categories}
		<category domain="category" nicename="{category_url_title}"><![CDATA[{category_name}]]></category>
{/categories}

{!-- post IS THE USUAL CONTENT TYPE, BUT IF YOU ARE EXPORTING PAGES, SWITCH THIS --}
		<wp:post_type>post</wp:post_type>
{!--		<wp:post_type>page</wp:post_type> --}

{!--		<wp:post_id></wp:post_id> --}
		<wp:post_date>{entry_date format="%Y-%m-%d %H:%i:%s"}</wp:post_date>
		<wp:post_date_gmt>{gmt_date format="%Y-%m-%d %H:%i:%s"}</wp:post_date_gmt>
		<wp:comment_status>open</wp:comment_status>
		<wp:ping_status>open</wp:ping_status>
		<wp:post_name>{url_title}</wp:post_name>
		<wp:status>publish</wp:status>

		{exp:comment:entries sort="desc" entry_id="{entry_id}"}
		<wp:comment>
			<wp:comment_id>{comment_id}</wp:comment_id>
			<wp:comment_author><![CDATA[{name}]]></wp:comment_author>
			<wp:comment_author_email>{url_or_email}</wp:comment_author_email>
			<wp:comment_author_url>{url}</wp:comment_author_url>
			<wp:comment_author_IP>{ip_address}</wp:comment_author_IP>
			<wp:comment_date>{comment_date format="%Y-%m-%d %h:%i:%s"}</wp:comment_date>
			<wp:comment_date_gmt>{gmt_comment_date format="%Y-%m-%d %h:%i:%s"}</wp:comment_date_gmt>
			<wp:comment_content><![CDATA[{comment}]]></wp:comment_content>
			<wp:comment_approved>1</wp:comment_approved>
			<wp:comment_type></wp:comment_type>
			<wp:comment_parent>0</wp:comment_parent>
			<wp:comment_user_id>0</wp:comment_user_id>
		</wp:comment>
		{/exp:comment:entries}

	</item>
{/exp:weblog:entries}
</channel>
</rss>