Exhibit 10(y) AMENDMENT #2 TO AGREEMENT AND PLAN OF MERGER AMENDMENT, dated as of January 6, 1997 (this "Amendment") between NationsBank Corporation, a North Carolina corporation ("Parent"), NB Holdings Corporation, a Delaware corporation and wholly-owned subsidiary of Parent ("Merger Sub") and Boatmen's Bancshares, Inc., a Missouri corporation (the "Company"). WHEREAS, Parent, the Company and Merger Sub have previously entered into that certain Agreement and Plan of Merger dated as of August 29, 1996, as amended on November 11, 1996 (the "Agreement"); and WHEREAS, such persons wish to amend the Agreement in the manner set forth below. NOW, THEREFORE, the parties hereto agree as follows: 1. All capitalized terms used herein, unless otherwise defined herein, shall have the meanings given them in the Agreement, and each reference in the Agreement to "this Agreement", "hereof", "herein", "hereunder" or "hereby" and each other similar reference shall be deemed to refer to the Agreement as amended hereby. All references to the Agreement in any other agreement between Parent and the Company relating to the transactions comtemplated by the Agreement shall be deemed to refer to the Agreement as amended hereby. 2. Section 2.01(b) is hereby amended and restated in its entirety as follows: (b) Effectiveness And Effects Of the Merger. Subject to the satisfaction or waiver of the conditions set forth in Article VII in accordance with this Agreement, the Merger shall become effective upon the filing in the office of the Secretary of State of Delaware of a certificate of merger or such later date and time as may be set forth in such certificate of merger in accordance with Section 252 of the General Corporation Law of the State of Delaware (the "GCL"). The Merger shall have the effects prescribed in Section 450 of the General and Business Corporation Law of Missouri and Section 252 of the GCL. 3. This Amendment shall be governed by and construed in accordance with the law of the State of Missouri, without regard to the conflicts of law rules of such state. 4. This Amendment may be signed in any number of counterparts, each of which shall be an original, with the same effect as if the signatures thereto and hereto were upon the same instrument. This Amendment shall become effective when each party hereto shall have received counterparts hereof signed by all of the other parties hereto. 5. Except as expressly amended hereby, the Agreement shall remain in full force and effect. -2- IN WITNESS WHEREOF, the parties hereto have caused this instrument to be executed in counterparts by their duly authorized officers, all as of the day and year first above written. BOATMEN'S BANCSHARES, INC. By: /s/ Gregory L. Curl Name: Gregory L. Curl Title: Vice Chairman NATIONSBANK CORPORATION By: /s/ James H. Hance, Jr. Name: James H. Hance, Jr. Title: Vice Chairman and Chief Financial Officer NB HOLDINGS CORPORATION By: /s/ James H. Hance, Jr. Name: James H. Hance, Jr. Title: Vice Chairman and Chief Financial Officer -3-