Atlas Energy — Proxy Solicitation & Information Statement 2023

Apr 7, 2023

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Notice of Availability of Proxy Materials for the Annual General and Special Meeting of Shareholders of WILLOW BIOSCIENCES INC.

(the " Corporation ")

Meeting Date and Time: Friday, May 12, 2023 at 9:00 am (Calgary time)

Location: Virtual Meeting - https://us02web.zoom.us/j/83289797519

Please be advised that the proxy materials for the above noted securityholder meeting are available for viewing and downloading online. This document provides an overview of these materials, but you are reminded to access and review the information circular and other proxy materials available online prior to voting. These materials are available at:

www.willowbio.com

OR

www.sedar.com

Obtaining Paper Copies of the Proxy Materials

Securityholders may request to receive paper copies of the proxy materials related to the above referenced meeting by mail at no cost. Requests for paper copies must be received by April 28, 2023 in order to receive the paper copy in advance of the meeting. Shareholders may request to receive a paper copy of the materials for up to one year from the date the materials were filed on www.sedar.com.

For more information regarding notice-and-access or to obtain a paper copy of the materials you may contact our transfer agent, Odyssey Trust Company, via www.odysseycontact.com or by phone at 1-888290-1175 (toll-free within North America) or 1-587-885-0960 (direct from outside North America).

Notice of Meeting

The resolutions to be voted on at the meeting, described in detail in the management information circular of the Corporation dated April 3, 2023 (the " Information Circular "), are as follows:

Fixing Number of Shareholders will be asked to fix the number of directors. Details Directors: regarding the number of directors may be found in the Information Circular under " Fixing Number of Directors ". Election of Directors: Shareholders will be asked to elect directors for the ensuing year. Information respecting the election of directors may be found in the Information Circular under " Election of Directors ".

Appointment of Auditors: Shareholders will be asked to appoint KPMG LLP as auditors of the Corporation, to hold office until the next annual meeting of the Shareholders, at such remuneration to be determined by the Board. Information respecting the appointment of auditor may be found in the Information Circular under " Appointment of Auditors ".

Unallocated Options:

Shareholders will be asked to to approve the unallocated stock options issuable under the stock option plan of the Corporation. Information respecting the approval of unallocated options in the Information Circular under " Approval of Unallocated Options under the Stock Option Plan" .

Voting

To vote your securities, please refer to the instructions on the enclosed Proxy or Voting Instruction Form. Your Proxy or Voting Instruction Form must be received by Wednesday, May 10, 2023, at 9:00 am Calgary Time.

Stratification

The Corporation is providing paper copies of its Information Circular only to those beneficial shareholders that have previously requested to receive paper materials.

Annual Financial Statements

The Corporation is providing paper copies or emailing electronic copies of its annual financial statements to registered shareholders and beneficial shareholders that have opted to receive annual financial statements and have indicated a preference for either delivery method.