Oklahoma City-based MidFirst Bank plans to acquire Denver-based Steele Street Bank & Trust

Oklahoma City-based MidFirst Bank has announced plans to acquire the Denver-based community bank Steele Street Bank & Trust.

The planned purchase announced Thursday would give MidFirst branches in Oklahoma, Arizona and Colorado in addition to commercial lending offices in Atlanta, Dallas, Houston and Southern California.

Terms of the sale were not disclosed.

MidFirst officials said the acquisition has been approved by the boards of directors of both companies and is expected to close during the first quarter of 2015 — subject to shareholder and regulatory approval.