Via Facsimile and U.S. Mail Mail Stop 6010 June 28, 2005 Mr. William Steinhauer Vice President of Finance Unigene Laboratories, Inc. 110 Littlefield Road Fairfield, NJ 07004 Re:	Unigene Laboratories, Inc. 	Form 10-K for the Fiscal Year Ended December 31, 2004 	Filed March 31, 2005 	File No. 000-16005 Dear Mr. Steinhauer: 	We have completed our review of your Form 10-K and have no further comments at this time. 								Sincerely, Kevin Woody 								Branch Chief