Exhibit 4.3 Agreement to Extend "First Amendment to Boston Life Sciences, Inc. Warrants for Purchase of Shares of Common Stock" This agreement is meant to extend the previous "First Amendment" signed on May 27, 2001 by Mr. Yves Martignier, Pictet...Agreement to Extend "First Amendment to Boston Life Sciences, Inc. Warrants for Purchase of Shares of Common Stock" • August 13th, 2001 • Boston Life Sciences Inc /De • Pharmaceutical preparations
This agreement is meant to extend the previous "First Amendment" signed on May 27, 2001 by Mr. Yves Martignier, Pictet Global Sector Fund-Biotech, which extended the "Reset" of Pictet's Boston Life Sciences, Inc. Warrants from June 1, 2001 to June 15, 2001.
