WITNESSETH:Agreement and Release • March 23rd, 2000 • Sipex Corp • Semiconductors & related devices • Massachusetts
1 EXHIBIT 4.3 REGISTRATION RIGHTS AGREEMENT October 21, 1999 To each of the several Holders named in Schedule A attached hereto: Dear Sir/Madam: Pursuant to the Agreement and Plan of Reorganization dated as of October 21, 1999 (the "REORGANIZATION...Registration Rights Agreement • March 23rd, 2000 • Sipex Corp • Semiconductors & related devices • Massachusetts
