from SC 13D/A
1 page
<page> Exhibit 1 Agreement Pursuant to Rule 13d-1(k) Under the Securities Act of 1934, as Amended, the Undersigned Hereby Agree That Only One Statement Containing the Information Required by Schedule 13d Needs Be Filed With Respect to the Ownership by Each of the Undersigned of Units of Limited Partnership Interest of Painewebber R&D Partners II, L.P. Dated: February 23, 1999 Bioroyalties, L.L.C. By: /S/ Pablo Legorreta Name: Pablo Legorreta Title: Managing Member of Pharmaceutical Partners, L.L.C., the Manager Pharmaceutical Royalties, L.L.C. By: /S/ Pablo Legorreta Name: Pablo Legorreta Title: Managing Member of Pharmaceutical Partners, L.L.C., the Manager Pharmaceutical Royalty Investments Ltd. By: /S/ David Madden Name: David Madden Title: Managing Member of Pharmaceutical Partners, L.L.C., the Manager Bioventure Investments, Kft By: /S/ David Madden Name: David Madden Title: Managing Member of Pharmaceutical Partners, L.L.C., the Manager Pharmaceutical Partners, L.L.C. By: /S/ Pablo Legorreta Name: Pablo Legorreta Title: Managing Member <page> /S/ Stephen Evans-Freke Name: Stephen Evans-Freke /S/ Pablo Legorreta Name: Pablo Legorreta /S/ David Madden Name: David Madden /S/ Rory Riggs Name: Rory Riggs
