Aventis Inc Watch

from SC 13G/A ~5 pages Declaration of Consent to Joint Filing by Sanofi-Aventis, Aventis Pharmaceuticals Inc, Aventis Holdings Inc and Aventis Inc

from SC 13D ~20 pages Purchase Agreement

from 11-K 1 page <page> Exhibit (1) Consent of Independent Accountants We Consent to the Incorporation by Reference in the Registration Statement of Rhone-Poulenc Rorer Inc. on Form S-8 (Registration No. 33-18701) of Our Report Dated June 24, 1998 on Our Audits of the Financial Statements and Supplemental Schedules of Rhone-Poulenc Rorer Inc. Employee Savings Plan as of December 31, 1997 and 1996, and for the Years Ended December 31, 1997 and 1996, Which Report Is Included in This Annual Report on Form 11-K. /S/ Coopers & Lybrand L.L.P. Coopers & Lybrand L.L.P. Philadelphia, Pennsylvania June 24, 1998

from 11-K 1 page <page> Exhibit (1) Consent of Independent Accountants We Consent to the Incorporation by Reference in the Registration Statement of Rhone-Poulenc Rorer Inc. on Form S-8 (Registration No. 33-18701) of Our Report Dated June 24, 1998 on Our Audit of the Financial Statements and Supplemental Schedules of Fisons Corporation Thrift Plan as of December 31, 1997 and 1996, and for the Years Ended December 31, 1997 and 1996, Which Report Is Included in This Annual Report on Form 11-K. /S/ Coopers & Lybrand L.L.P. Coopers & Lybrand L.L.P. Philadelphia, Pennsylvania June 24, 1998

from 11-K 1 page <page> Exhibit (1) Consent of Independent Accountants We Consent to the Incorporation by Reference in the Registration Statement of Rhone-Poulenc Rorer Inc. on Form S-8 (Registration No. 33-17269) of Our Report Dated May 29, 1996 on Our Audits of the Financial Statements and Supplemental Schedules of Rhone-Poulenc Rorer Inc. Employee Savings Plan as of December 31, 1995 and 1994, and for the Years Ended December 31, 1995 and 1994, Which Report Is Included in This Annual Report on Form 11-K. /S/ Coopers & Lybrand L.L.P. Coopers & Lybrand L.L.P. Philadelphia, Pennsylvania June 26, 1996

from 11-K 1 page <page> <page> Exhibit 1 Consent of Independent Accountants We Consent to the Incorporation by Reference in the Registration Statement of Rhone-Poulenc Rorer Inc. on Form S-8 (Registration No. 33-17269) of Our Report Dated June 9, 1995, on Our Audits of the Financial Statements and Supplemental Schedules of Rhone-Poulenc Rorer Inc. Employee Savings Plan as of December 31, 1994 and 1993, and for the Years Ended December 31, 1994 and 1993 Which Report Is Included in This Annual Report on Form 11-K. /S/ Coopers & Lybrand L.L.P. Coopers & Lybrand L.L.P. Philadelphia, Pennsylvania June 27, 1995 19