Exhibit 4.77 IRREVOCABLE CONSENT TO TERMINATION OF STOCK OPTIONS Notice is hereby given to Pine Valley Mining Corporation (the "COMPANY") that, effective this 22nd day of March, 2006 (the "EFFECTIVE DATE"), Samuel Yik (the "SERVICE PROVIDER"), for good and valuable consideration the receipt and sufficiency of which is hereby acknowledged by the Service Provider, voluntarily and irrevocably consents to the termination of the Service Provider's option to acquire up to 200,000 Common Shares in the capital of the Company up to the 17th day of March, 2010 at an exercise price of CDN $5.31 per share (the "OPTIONS"), being a portion of the Service Provider's presently outstanding stock options governed by the Company's Amended & Restated Share Option Plan dated September 30, 2005 (the "PLAN"). In order to effect and better facilitate the termination of the Options, the Service Provider has irrevocably surrendered for cancellation, to the Company, the Option Commitment documenting the grant of the Options. /s/ Samuel Yik ------------------------------- SAMUEL YIK