Riso Kagaku Corporation revised earnings guidance for the six month ending September 30, 2023. For the six month, the company expects net sales of JPY 34,800 million, Operating income of JPY 1,800 million, Profit attributable to owners of parent of JPY 1,800 million and Net income per share JPY 53.92 against previous guidance of net sales of JPY 33,800 million, Operating income of JPY 1,500 million, Profit attributable to owners of parent of JPY 1,300 million and Net income per share JPY 38.92.