Proto Corporation provided consolidated earnings guidance for the six months ending September 30, 2023 and full year ending March 31, 2024. For the six months ending September 30, 2023, the company expects net sales of JPY 51,400 million, operating profit of JPY 3,350 million, profit attributable to owners of parent of JPY 2,290 million and basic earnings per share of JPY 56.95.

For the year ending March 31, 2024, the company expects net sales of JPY 109,380 million, operating profit of JPY 7,740 million, profit attributable to owners of parent of JPY 5,340 million and basic earnings per share of JPY 132.81.