in CHF mn Notes* % 2018 % 2019 Change
in %
Net sales 1, 2 100.0 7,085.4 100.0 8,109.2 14.4
Material expenses 3 -47.0 -3,333.7 -46.4 -3,765.2  
Gross result   53.0 3,751.7 53.6 4,344.0 15.8
Personnel expenses 4 -19.0 -1,345.4 -19.0 -1,544.3  
Other operating expenses 5 -17.7 -1,256.4 -17.5 -1,412.1  
Operating profit before depreciation   16.3 1,149.9 17.1 1,387.6 20.7
Depreciation and amortization expenses 2, 15, 16 -2.9 -204.0 -4.1 -332.5  
Amortization   0.0   0.0    
Impairment   0.0   0.0    
Operating profit before restructuring   13.4 945.9 13.0 1,055.1 11.5
Restructuring   0.0 0.0 0.0 0.0  
Operating profit 2 13.4 945.9 13.0 1,055.1 11.5
Interest income 7 0.0 1.9 0.0 3.5  
Interest expenses 6 -0.4 -26.1 -0.7 -58.5  
Other financial income 7 0.1 5.8 0.1 6.0  
Other financial expenses 6 -0.5 -35.2 -0.5 -40.1  
Income from associated companies 7 0.0 0.6 0.0 0.6  
Profit before taxes   12.6 892.9 11.9 966.6 8.3
Income taxes 8 -2.9 -205.8 -2.5 -208.1  
             
Net profit   9.7 687.1 9.4 758.5 10.4
Profit attributable to Sika shareholders   9.6 682.9 9.3 751.9  
Profit attributable to non-controlling interests 24 0.1 4.2 0.1 6.6  
             
Undiluted earnings per share (in CHF) 9   4.69   5.30 13.0
Diluted earnings per share (in CHF) 9   4.58   4.81 5.0

* See notes in Financial Report