Form of Proxy

TO FIX THE NUMBER OF DIRECTORS TO BE ELECTED AT THE MEETING AT SIX (6)

ELECTION OF DIRECTOR - JOHN E. BLACK

ELECTION OF DIRECTOR - MARK WAYNE

ELECTION OF DIRECTOR - KEVIN B. HEATHER

ELECTION OF DIRECTOR - FERNANDO PICKMANN

ELECTION OF DIRECTOR - JAMES M. MCDONALD

ELECTION OF DIRECTOR - JOHN M. SIBLEY

TO APPOINT DAVIDSON & COMPANY LLP AS AUDITORS OF THE CORPORATION FOR THE ENSUING YEAR AND AUTHORIZE THE DIRECTORS TO FIX THEIR REMUNERATION AS SUCH

TO CONSIDER AND, IF DEEMED ADVISABLE, APPROVE AND CONFIRM, WITH OR WITHOUT VARIATION, AN ORDINARY RESOLUTION RATIFYING AND CONFIRMING THE CORPORATION'S EXISTING SHARE OPTION PLAN AND APPROVING ALL UNALLOCATED STOCK OPTIONS THEREUNDER, ALL AS MORE PARTICULARLY DESCRIBED IN THE ACCOMPANYING MANAGEMENT (PLEASE SEE THE ATTACHED LINK FOR MORE DETAILS)

TO CONSIDER AND, IF DEEMED ADVISABLE, APPROVE AND CONFIRM, WITH OR WITHOUT VARIATION, AN ORDINARY RESOLUTION RATIFYING AND CONFIRMING THE CORPORATION'S SHAREHOLDER RIGHTS PLAN, ALL AS DESCRIBED IN THE INFORMATION CIRCULAR

TO CONSIDER, PURSUANT TO AN ORDER OF THE COURT OF KING'S BENCH OF ALBERTA, AND, IF THOUGHT APPROPRIATE, TO PASS, WITH OR WITHOUT VARIATION, A SPECIAL RESOLUTION (THE "ARRANGEMENT RESOLUTION"), THE FULL TEXT OF WHICH IS SET FORTH IN SCHEDULE "A" TO THE INFORMATION CIRCULAR, APPROVING AN ARRANGEMENT (PLEASE SEE THE ATTACHED LINK FOR MORE DETAILS)

SUBJECT TO THE APPROVAL OF THE ARRANGEMENT RESOLUTION, TO CONSIDER AND, IF DEEMED ADVISABLE, APPROVE AND CONFIRM, WITH OR WITHOUT VARIATION, AN ORDINARY RESOLUTION: (I) RATIFYING AND CONFIRMING CENTAURI'S EXISTING SHARE OPTION PLAN (THE "CENTAURI OPTION PLAN"), (II) APPROVING ALL UNALLOCATED (PLEASE SEE THE ATTACHED LINK FOR MORE DETAILS)

SUBJECT TO THE APPROVAL OF THE ARRANGEMENT RESOLUTION, TO CONSIDER, AND IF DEEMED ADVISABLE, APPROVE AND CONFIRM, WITH OR WITHOUT VARIATION, AN ORDINARY RESOLUTION APPROVING THE GRANT OF UP TO 2, 60,000 OPTIONS TO CERTAIN DIRECTORS, OFFICERS, EMPLOYEES AND CONSULTANTS OF CENTAURI UNDER THE CENTAURI (PLEASE SEE THE ATTACHED LINK FOR MORE DETAILS)

SUBJECT TO THE APPROVAL OF THE ARRANGEMENT RESOLUTION, TO CONSIDER AND, IF DEEMED ADVISABLE, APPROVE AND CONFIRM, WITH OR WITHOUT VARIATION, AN ORDINARY RESOLUTION OF DISINTERESTED ALDEBARAN SHAREHOLDERS RATIFYING AND CONFIRMING ALL PRIOR GRANTS OF CENTAURI PERFORMANCE WARRANTS ISSUED TO CERTAIN (PLEASE SEE THE ATTACHED LINK FOR MORE DETAILS)