LJUBLJANA, July 25 (Reuters) - Slovenian pharmaceutical company Krka KRKG.LJ KRK.WA said on Thursday its half-year group net profit rose 11 percent to 100.3 million euros on stronger sales. It confirmed its earlier report that sales in the same period rose by 6 percent to 597.1 million euros, mainly due to a steep increase in eastern Europe. (Reporting by Marja Novak; editing by Keiron Henderson) ((Zoran.Radosavljevic@thomsonreuters.com)(+385 1 4899 971)(Reuters Messaging: zoran.radosavljevic.thomsonreuters.com@reuters.net)) Keywords: KRKA RESULT/