EXHIBIT 10.34 FIRST AMENDMENT TO STOCKHOLDER PROTECTION AGREEMENT THIS FIRST AMENDMENT TO STOCKHOLDER PROTECTION AGREEMENT (this "Agreement") is entered into as of the 24th day of April, 1998 by and between PROTEIN POLYMER TECHNOLOGIES, INC., a...Stockholder Protection Agreement • August 14th, 1998 • Protein Polymer Technologies Inc • Services-commercial physical & biological research • New York
