0000950103-07-000911 Sample Contracts

STOCKHOLDERS AGREEMENT
Stockholders Agreement • April 13th, 2007 • Roche Holding LTD • American depositary receipts

AGREEMENT, dated as of April 4, 2007 among Roche Holding Ltd, a joint stock company organized under the laws of Switzerland (“Parent”), and the stockholders of BioVeris Corporation, a Delaware corporation (the “Company”), that are parties hereto (each, a “Stockholder” and, collectively, the “Stockholders”).

AGREEMENT AND PLAN OF MERGER Dated as of April 4, 2007 among ROCHE HOLDING LTD, LILI ACQUISITION CORPORATION and BIOVERIS CORPORATION
Merger Agreement • April 13th, 2007 • Roche Holding LTD • American depositary receipts • Delaware

This AGREEMENT AND PLAN OF MERGER, dated as of April 4, 2007 (this “Agreement”), is among Roche Holding Ltd, a joint stock company organized under the laws of Switzerland (“Parent”), Lili Acquisition Corporation, a newly-formed Delaware corporation and an indirect wholly-owned Subsidiary of Parent (“Merger Sub”), and BioVeris Corporation, a Delaware corporation (the “Company”). Certain capitalized terms used in this Agreement are as defined in this Agreement.

TRANSACTION AGREEMENT
Transaction Agreement • April 13th, 2007 • Roche Holding LTD • American depositary receipts • Delaware

This TRANSACTION AGREEMENT, dated as of April 4, 2007 (this “Agreement”), is by and between Samuel J. Wohlstadter (the "Stockholder”) and Roche Holdings Ltd (“Roche”).