Regulators may eventually require banks to maintain a Tier 1 capital ratio of 9%, PNC Financial Services Group Inc.'s chief executive predicted.

"It appears as if 9 might be a more acceptable level," James Rohr said Tuesday in New York at a Barclays financial services conference. Tier 1 capital ratios are a key measure of banks' financial health and regulators have historically required banks to maintain a Tier 1 ratio of 6% in order to be considered "well capitalized."

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.