Pruitt will provide details of the settlement on Monday. More than 300 mortgage-related complaints have been filed with Oklahoma's attorney general's office in connection with the settlement agreement.

Practices banks engaged in that are covered under the settlement include robo-signing, where signatures were applied to documents without proper oversight, or dual-tracking, which involves banks guiding homeowners on adjusting mortgages while at the same time pushing ahead with foreclosure.

Oklahoma was the only state that did not sign off on a $25 billion settlement agreement with the nation's largest mortgage lenders, instead reaching a separate agreement with the companies.