AGREEMENT AND PLAN OF MERGER BY AND BETWEEN FIRST FINANCIAL BANKSHARES, INC. ABILENE, TEXAS FIRST FINANCIAL BANK, N.A. ABILENE, TEXAS OSB FINANCIAL SERVICES, INC. ORANGE, TEXAS AND ORANGE SAVINGS BANK, SSB ORANGE, TEXAS Dated as of February 20, 2013Merger Agreement • February 26th, 2013 • First Financial Bankshares Inc • State commercial banks • Texas
This AGREEMENT AND PLAN OF MERGER (this “Agreement”) is effective as of February 20, 2013, by and between First Financial Bankshares, Inc., a Texas corporation and registered bank holding company under the Bank Holding Company Act of 1956 (the “BHCA”) with its principal offices in Abilene, Texas (“FFIN”), First Financial Bank, N.A., a national association with its main office in Abilene, Texas (“FFB”), OSB Financial Services, Inc., a Texas corporation with its principal offices in Orange, Texas (“OSB”), and Orange Savings Bank, SSB (the “Bank”), a Texas savings bank with its home office in Orange, Texas.
