Philips slid over 4% in morning trading as its Q4 sales fell nearly 20%.
It said group sales for the fourth quarter of 2021 were 4.9 billion euros ($5.56 billion) compared with EUR6.00 billion a year earlier.
Net profit was EUR157 million compared with EUR603 million for the same period the year before.
Full-year 2021 sales were EUR17.2 billion and 2021 adjusted Ebita was EUR2.05 billion.