Exhibit 24.1
POWER OF ATTORNEY
The undersigned, as a Section 16 reporting person of Xenon Pharmaceuticals Inc. (the "Company"), hereby constitutes and appoints each of the responsible attorneys and paralegals of Wilson Sonsini Goodrich & Rosati, Professional Corporation, specifically Barbara Mery of Wilson Sonsini Goodrich & Rosati, Professional Corporation, and each of Andrea DiFabio, Cassandra Robinson, and Ilona Lo, of the Company, the undersigned's true and lawful attorney-in-fact to:
The undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents shall do or cause to be done by virtue hereof. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934 (as amended).
This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms ID, 3, 4 and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the Company and the foregoing attorneys-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 31 day of July, 2023.
Signature: |
/s/Gillian Cannon |
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Gillian Cannon |