DARMSTADT, Germany--(BUSINESS WIRE)--Software AG (Frankfurt TecDAX: SOW) today released its financial results (IFRS, preliminary) for the first quarter of 2015. The business development underpins the company’s continued value focus through profitable growth. The Group successfully expanded its operating margin by an improved revenue mix and by leveraging efficiencies. Accordingly, the recurring business grew by 12 percent to €99.7 million (Q1 2014: €89.2 million), which marks a new all-time-hig