The BBB senior debt ratings of First Interstate Bancorp and its unit, Allied Bancshares Inc., were affirmed by Standard & Poor's Corp.

Also affirmed were First Interstate's BBB-minus subordinated debt rating and its BB-plus preferred stock and A2 commercial paper grades.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

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