BERLIN, Oct 24 (Reuters) - The premier of the German state of Baden-Wuerttemberg Guenther Oettinger will become Germany's new commissioner to the European Union, a conservative party source told Reuters on Saturday. (Reporting by Andreas Moeser) Keywords: GERMANY EU/COMMISSIONER (sarah.marsh@reuters.com; +49 30 2888 5226; RM: sarah.marsh.reuters.com@reuters.com) COPYRIGHT Copyright Thomson Reuters 2009. All rights reserved. The copying, republication or redistribution of Reuters News Content, including by framing or similar means, is expressly prohibited without the prior written consent of Thomson Reuters.