EXHIBIT 99.1 CERTIFICATE OF AMENDMENT OF CERTIFICATE OF INCORPORATION Queeny Chemical Company, a company organized and ex- isting under and by virtue of the General Corporation Law of the State of Delaware. DOES HEREBY CERTIFY: FIRST: That the Board of Directors of said Company adopted a resolution proposing and declaring advisable the fol- lowing amendment to the Certificate of Incorporation of said corporation: RESOLVED, that the Certificate of Incorporation of Queeny Chemical Company be amended by changing Article I thereof so that, as amended, said Article shall be and read as follows: "The name of the company is: Solutia Inc." SECOND: That in lieu of a meeting and vote of stock- holders, the stockholders have given written consent to said amendment in accordance with the provisions of Section 228 of the General Corporation Law of the State of Delaware. THIRD: That the aforesaid amendment was duly adopted in accordance with the applicable provisions of Sections 242 and 228 of the General Corporation Law of the State of Dela- ware. IN WITNESS WHEREOF, said Queeny Chemical Company has caused this certificate to be signed by R.L. Bishop, its Vice President, this 14th day of August, 1997. QUEENY CHEMICAL COMPANY By/s/ R.L. Bishop R.L. Bishop