MENTOR, Ohio--(BUSINESS WIRE)--STERIS Corporation (NYSE: STE) today announced financial results for its fiscal 2013 second quarter ended September 30, 2012. Included in the financial results is a $21.5 million pre-tax adjustment, based on actual experience through the second quarter, of the SYSTEM 1 Rebate Program liability. As reported, fiscal 2013 second quarter revenue was $356.3 million compared with $342.7 million in the second quarter of fiscal 2012. Operating income for the second quarter was $62.3 million compared with $47.6 million in the second quarter of fiscal 2012. Net income was $40.1 million, or $0.68 per diluted share, compared with net income of $29.6 million, or $0.50 per diluted share in the second quarter of fiscal 2012.