October 6, 2026 / Isabella Bank Corporation ("Isabella") (NASDAQ:ISBA) and Grand River Commerce, Inc. ("Grand River") (OTCQX:GNRV) announced today receipt of all required regulatory approvals necessary to complete their previously announced merger pursuant to the Agreement and Plan of Merger, dated as of June 11, 2026, by and among Isabella, Grand River and 401 Merger Sub, Inc. In addition, Grand River's shareholders voted to approve the merger on September 18, 2026.