German science and technology major Merck KgaA reported on Thursday that its fiscal 2023 profit after tax fell 15.1% to €2.83 billion ($3.08 billion) from last year’s €3.34 billion. Earnings per share were €6.49, down 15.2% from last year’s €7.65. On an adjusted basis, earnings per share pre were €8.49, compared to last year’s €10.05. EBITDA pre fell 14.2% year-over-year to €5.88 billion, EBITDA margin pre dropped to 28% from 30.8% last year. Net sales for the year declined 5.6% to €20.99 billion from €22.23 billion a year ago. Group net sales decreased 1.6% organically. Further, the Executive…