CHICAGO — Omaha lost one of its prized triple-A ratings Friday when Moody’s Investors Service dropped the Nebraska city to Aa1 due to mounting employee retirement liabilities.

The downgrade came a day ahead of the city’s sale Monday of $59 million of general obligation bonds. Standard & Poor’s maintains its AAA rating on the city. Fitch Ratings does not rate Omaha’s debt.

Subscribe Now

Independent and authoritative analysis and perspective for the bond buying industry.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.