Exhibit 4 Tender and Option Agreement, dated as of December 20, 1998 among Parent, Purchaser, the Company and certain stockholders of the Company. TENDER AND OPTION AGREEMENT --------------------------- TENDER AND OPTION AGREEMENT, dated as of...Tender and Option Agreement • December 24th, 1998 • Learonal Inc • Miscellaneous chemical products • New York
December 23, 1998 Dear Shareholders: I am pleased to inform you that on December 20, 1998, LeaRonal, Inc. ("LeaRonal" or the "Company") entered into an Agreement and Plan of Merger (the "Merger Agreement") with Rohm and Haas Company ("Parent") and...Merger Agreement • December 24th, 1998 • Learonal Inc • Miscellaneous chemical products
