CHICAGO–(BUSINESS WIRE)–Fitch Ratings has affirmed the ‘AA-‘ rating assigned to approximately $820 million of bonds issued on behalf of Allina Health System (Allina, or the system). The rating affirmation affects the bonds listed at the end of this press release. The Rating Outlook is Stable. SECURITY Bondholders have a security interest in pledged revenues and a negative lien pledge on property of the obligated group (OG). The OG includes Allina’s owned hospitals and other subsidiaries and a