Gary Illyes

This is a Beta release. If you find a bug or you have a feature request, feel free to mail the developer.
In order to have your website included in Google News, you will have to <a href="http://www.google.com/support/news/bin/static.py?page=contact_policy.cs" rel="nofollow ugc">suggest it for inclusion</a> first.
Some features:
<ul>
<li>Set default values on a dedicated settings page</li>
<li>Set genre, access, language on per article basis</li>
<li>Exclude articles from the sitemap</li>
<li>Ping Webmaster Tools when sitemap is updated</li>
</ul>
Google News related questions? Find answers in the <a href="http://www.google.com/support/forum/p/news?hl=en" rel="nofollow ugc">Google News Help Forum</a>

Google XML News Sitemap plugin

This is a Beta release. If you find a bug or you have a feature request, feel free to mail the developer.

timbrd

This plugin dynamically creates a feed that comply with the Google News Sitemap protocol. There are no options to neither be set nor file or dir access rights to be tampered with and the sitemap become instantly available. Google News Sitemap will be reachable at example.com/sitemap-news.xml (or example.com/?feed=sitemap-news), ready for indexing by Google News.
Compatible with WordPress MU
Compatible with caching plugins like Super Cache, W3 Total Cache and Quick Cache that cache feeds.
<h4>Credits</h4>
The plugin is based on XML Sitemap & Google News Sitemap Feeds plugin by RavanH (https://wordpress.org/extend/plugins/xml-sitemap-feed/). 
XML Sitemap Feed was originally based on the (discontinued?) plugin Standard XML Sitemap Generator by Patrick Chia.

Google News Sitemap Feed With Multisite Support

Dynamically generates a Google News Sitemap. Multisite compatible.

Google XML News Sitemap plugin vs Google News Sitemap Feed With Multisite Support