EX-5 3 doc3.txt CUSIP NO. 75886F 10 7 13G/A PAGE 14 ----- of ----- 15 PAGES Exhibit 5 --------- Joint Filing Agreement Pursuant to Rule 13d-1(k)(1) The undersigned hereby agree that this document shall be filed on behalf of each of them. By: KEDGE CAPITAL FUNDS LIMITED, SPECIAL SITUATIONS 1 FUND By: /s/ Thomas J. Plotz ------------------------------------- Name: Thomas J. Plotz Title: Attorney-in-Fact FELDON INVEST SA By: /s/ Thomas J. Plotz ------------------------------------- Name: Thomas J. Plotz Title: Attorney-in-Fact EMFELD LTD By: /s/ Thomas J. Plotz ------------------------------------- Name: Thomas J. Plotz Title: Attorney-in-Fact BERTARELLI & CIE By: /s/ Thomas J. Plotz ------------------------------------- Name: Thomas J. Plotz Title: Attorney-in-Fact By: /s/ Ernesto Bertarelli* ------------------------------------- Ernesto Bertarelli * By: /s/ Thomas J. Plotz ------------------------------------ Thomas J. Plotz, Attorney-in-Fact Dated: September 4, 2002