Exhibit 4.1 OMNIBUS AGREEMENT -----------------Omnibus Agreement • August 13th, 2001 • Boston Life Sciences Inc /De • Pharmaceutical preparations • New York
Contract Type FiledAugust 13th, 2001 Company Industry Jurisdiction
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...Warrant Amendment • August 13th, 2001 • Boston Life Sciences Inc /De • Pharmaceutical preparations
Contract Type FiledAugust 13th, 2001 Company Industry
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
Contract Type FiledAugust 13th, 2001 Company IndustryThis 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.