33 EXHIBIT 20 News for Immediate Release April 1, 1998 WesBanco, Inc. 1 Bank Plaza Wheeling, WV 26003 and Commercial BancShares, Incorporated 415 Market Street Parkersburg, WV 26101 For Further Information Contact: Edward M. George (304) 234-9208 President & CEO, WesBanco, Inc. or William E. Mildren, Jr. (304) 424-0300 President & CEO Commercial BancShares, Incorporated WesBanco, Inc. Consummates Merger With Commercial BancShares, Incorporated Wheeling, WV . . . . WesBanco, Inc. ("WesBanco")(Nasdaq: WSBC), a multi-bank holding company headquartered in Wheeling, West Virginia, and Commercial BancShares, Incorporated ("Commercial")(AMEX:CWV), a multi-bank holding company headquartered in Parkersburg, West Virginia, jointly announced today the consummation of WesBanco's acquisition of Commercial with and into WesBanco affiliated companies. The joint announcement was made by Edward M. George, President and Chief Executive Officer of WesBanco and William E. Mildren, Jr., President and Chief Executive Officer of Commercial. In conjunction with this acquisition, William E. Mildren, Jr. will serve as Chairman and Chief Executive Officer of WesBanco Parkersburg, Christopher V. Criss will serve as Vice Chairman and Donald L. Scothorn will serve as President. Members of the combined board of the new WesBanco Parkersburg affiliate include: Christopher V. Criss, John S. Criss, Wilson Davis, Carl E. Dollman, Steven C. Hall, 34 (more) WesBanco / Commercial Merger Page 2 Larry G. Johnson, Paul M. Limbert, Thomas M. Lookabaugh, Daniel O. Martin, William E. Mildren, Jr., Edward M. Nelson, III, Jack F. Poe, Robert E. Richardson, W. S. Ritchie, Jr., James H. Roberts, Donald L. Scothorn, James W. Swearingen, Robert K. Tebay, Thomas N. Webster and R. Bruce White. Communities served by banking locations acquired in the Commercial merger include: Parkersburg, South Parkersburg, Vienna, Ripley, Ravenswood, Pennsboro, Paden City, New Martinsville, Mineral Wells, McMechen, Benwood, Harrisville, Ellenboro and Cairo in West Virginia and Marietta, Barlow and Devola in Ohio. The Commercial banking subsidiaries in the northern panhandle of West Virginia were consolidated with WesBanco's banking subsidiary, WesBanco Bank Wheeling. Under the terms of the merger, William E. Mildren, Jr. was appointed Vice Chairman of WesBanco, Inc. Mr. Mildren and three other directors of Commercial or its banking affiliates, Larry G. Johnson, Robert K. Tebay and James W. Swearingen, were elected to the WesBanco Board and Mr. Mildren was elected to the WesBanco Executive Committee. With the consummation of this merger WesBanco has assets in excess of $2.2 billion and operates 63 banking offices in West Virginia and Ohio. ###