exhibit 10. 74 addendum 1 to license and supply agreement the license and supply agreement on the dtpa products was made between akorn, inc., a company organized and existing under the laws of louisiana with its principal office at 2500 millbrook drive, buffalo grove, illinois 60089 - 4694, united states of america ( “ licensee ” ) and hameln pharmaceuticals gmbh, langes feld 13, hameln, germany with effect of 11th november 2004. on 1st january 2005, along with a company restructure, hameln pharma plus gmbh, a company organized and existing under the laws of germany with its principal office at langes feld 13, d - 31789 hameln, germany ( “ hameln ” ) took over the valid license and supply agreement from hameln pharmaceuticals gmbh. the contract remains valid and unaffected until today and in the future. this addendum 1 to the license and supply agreement of 11th november 2004 is made and entered into this 1st day of october 2006, by and between hameln and licensee. whereas, hameln and licensee have agreed to alter the original paragraph 8. 2. final product price and 8. 3. payment of the license and supply agreement of 11th november 2004 in such a way as to allow in future to carry out all monetary transactions between the parties solely in us dollars. therefore the following new wording has been agreed. 8. prices and terms 8. 2. final product prices hameln shall supply the products to licensee in each calendar quarter hereunder at prices which correspond to fifty percent ( 50 % ) of the total gross sales price actually achieved in the market in such calendar quarter ( “ final product price ” ), but in no event shall the price of the product be less than the then applicable initial transfer product price as specified in appendix b - 2. licensee shall provide hameln with summary documentation of all sales transactions of the products in the previous calendar quarter no later than the 15th calendar day following the close of each such quarter. on delivery of each ordered batch, licensee shall be invoiced with the initial transfer price as listed in the then applicable appendix b - 2. licensee will at any time within 5 days of receiving money from its customers for single sales transactions in excess of us dollar 250, 000. 00 ( two hundred fifty thousand us dollars ) perform all necessary calculations according to the formula