From a review of the investing.com website, I identified the 12 South Korean Companies with recent stock market caps above KRW 20 Trillion and reporting their profits in South Korean Won (KRW).
And from a review of the wallstreetjournalmarkets.com and investing.com websites and also from Company Internal Relations websites, the table below shows the Consolidated Net Profits (Losses) from Continuing Operations for the first quarters of both 2022 and 2021 for each of these 12 largest South Korean Companies.