Exhibit 10.44 Portions of this document have been redacted pursuant to a Request for Confidential Treatment filed with the Securities and Exchange Commission. Redacted portions are indicated with the notation "*****" STOCK PURCHASE AND VESTING...Stock Purchase and Vesting Agreement • March 5th, 2003 • Protein Polymer Technologies Inc • Services-commercial physical & biological research • California
Exhibit 10.43 Portions of this document have been redacted pursuant to a Request for Confidential Treatment filed with the Securities and Exchange Commission. Redacted portions are indicated with the notation "*****" AMENDMENT NO. 1 TO SUPPLY AND...Supply and Services Agreement • March 5th, 2003 • Protein Polymer Technologies Inc • Services-commercial physical & biological research • California
