Exhibit 4.1 OMNIBUS AGREEMENT -----------------Omnibus Agreement • August 13th, 2001 • Boston Life Sciences Inc /De • Pharmaceutical preparations • New York
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 • 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.
Exhibit 4.4 SECOND AMENDMENT TO BOSTON LIFE SCIENCES, INC. WARRANTS FOR THE PURCHASE OF SHARES OF COMMON STOCK NOS. BLSI - J-146 AND - J-147 SECOND AMENDMENT TO WARRANTS (the "Second Amendment") made and entered into as of June 25, 2001, by and among...Boston Life Sciences Inc /De • August 13th, 2001 • Pharmaceutical preparations
Exhibit 4.2 FIRST AMENDMENT TO BOSTON LIFE SCIENCES, INC. WARRANTS FOR THE PURCHASE OF SHARES OF COMMON STOCK NOS. BLSI - J-146 AND - J-147 FIRST AMENDMENT TO WARRANTS (the "First Amendment") made and entered into as of May 27, 2001, by and among...Boston Life Sciences Inc /De • August 13th, 2001 • Pharmaceutical preparations
