Exhibit 10.138 Amendment No. 1 to Agreement for Commitment to Purchase Aggregate of $10,000,000 of 5% Promissory Notes By their signatures below, the parties hereby agree to amend the the Agreement for Commitment to Purchase Aggregate of $10,000,000...Agreement for Commitment to Purchase Aggregate of $10,000,000 of 5% Promissory Notes • March 24th, 2004 • Calypte Biomedical Corp • Laboratory analytical instruments
