0001144204-07-066775 Sample Contracts

YM BIOSCIENCES INC. And CIBC MELLON TRUST COMPANY As Rights Agent SHAREHOLDER RIGHTS PLAN AGREEMENT

Shareholder Rights Plan Agreement • December 11th, 2007 • Ym Biosciences Inc • Pharmaceutical preparations • Ontario

• Contract Type
  Shareholder Rights Plan Agreement
• Filed
  December 11th, 2007
• Company
  Ym Biosciences Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Ontario

THIS AGREEMENT dated as of the 22nd day of October, 2007 between YM BioSciences Inc. (the “Corporation”), a corporation continued under the Companies Act (Nova Scotia), and CIBC Mellon Trust Company, a trust company incorporated under the laws of Canada, as Rights Agent (the “Rights Agent”), which term shall include any successor Rights Agent hereunder.