RECITALSPurchase Agreement • January 25th, 2000 • Avi Biopharma Inc • Pharmaceutical preparations • New York
Exhibit 4.5 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (the "Agreement") is made and entered as of this 16th day of December, 1999 by and between Avi BioPharma, Inc., a corporation organized under the laws of Oregon (the...Registration Rights Agreement • January 25th, 2000 • Avi Biopharma Inc • Pharmaceutical preparations • New York
Exhibit 4.6 SUBSCRIPTION AGREEMENT This Subscription Agreement is made this 1st day of December, 1999, by and between SUPERGEN, INC., a Delaware corporation ("SuperGen"), and AVI BIOPHARMA, INC., an Oregon corporation ("AVI"), in connection with the...Subscription Agreement • January 25th, 2000 • Avi Biopharma Inc • Pharmaceutical preparations • Oregon
