in CHF mn Notes* 2019 2020
Operating activities      
Profit before taxes    966.6 1,060.4
Depreciation and amortization expenses 15, 16  332.5  367.1
Increase (+)/decrease (-) in provisions/ employee benefit obligations and assets     5.6  26.4
Increase (-)/decrease (+) in net working capital    88.1  124.5
Non–liquidity–related financial expenses (+)/income (-) as well as cash flow from hedging transactions    68.7  78.6
Other adjustments  25  15.4  4.9
Income taxes paid   -263.0 -288.5
Cash flow from operating activities   1,213.9 1,373.4
       
Investing activities      
Property, plant, and equipment: capital expenditures 15 -179.7 -120.1
Property, plant, and equipment: disposals 15, 25  2.9  17.4
Intangible assets: capital expenditures 16 -12.6 -11.6
Intangible assets: disposals 16  1.6  0.3
Acquisitions less cash and cash equivalents   -1,748.4 -136.1
Disposals less cash and cash equivalents    0.0  2.9
Acquisitions (-)/disposals (+) of financial assets    5.3 -5.9
Cash flow from investing activities   -1,930.9 -253.1
       
Financing activities      
Increase in financial liabilities 20  308.9  252.8
Repayment of financial liabilities 20 -1,299.5 -304.6
Repayment of lease liabilities 20 -85.0 -95.8
Repayment of a bond 20 -200.0 -160.0
Issue of bonds 20 1,130.0  0.0
Issue of a convertible bond 20 1,280.1  0.0
Repayment liability component of mandatory convertible bond (interest) 20  0.0 -48.8
Purchase of treasury shares   -95.9 -125.7
Sale of treasury shares    92.3  119.0
Dividend payment to shareholders of Sika AG   -290.6 -326.0
Dividends related to non-controlling interests   -2.8 -1.0
Buyout of existing non-controlling interests   -9.9 -78.9
Cash flow from financing activities    827.6 -769.0
       
Exchange differences on cash and cash equivalents   -29.5 -27.7
       
Net change in cash and cash equivalents    81.1  323.6
Cash and cash equivalents at the beginning of the year 10  914.0  995.1
Cash and cash equivalents at the end of the year 10  995.1 1,318.7
       
Cash flow from operating activities contains:      
Dividends from associated companies    1.0  0.5
Interest received     3.5  3.9
Interest paid   -24.3 -30.1

* See notes in Financal Report