760273 102 (U.S. CUSIP)

760273 201 (Canadian private placement CUSIP)

Morgan Stanley & Co. LLC

Goldman Sachs & Co. LLC

Cowen and Company, LLC

Piper Sandler & Co.

offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or

contract to sell, grant any option, right or warrant to purchase, lend, or otherwise transfer or dispose of,

directly or indirectly, any common shares or any other securities convertible into or exercisable or

exchangeable for common shares;

file any registration statement with the SEC relating to the offering of any common shares or any

securities convertible into or exercisable or exchangeable for common shares; or

enter into any swap or other arrangement that transfers to another, in whole or in part, any of the

economic consequences of ownership of the common shares,

transactions relating to common shares or other securities acquired in this offering or in open market transactions after the completion of this offering, provided that no filing under Section 16(a) of the Exchange Act shall be required or shall be voluntarily made during the restricted period in connection with subsequent sales of common shares or other securities acquired in this offering or in such open market transactions;

transfers or distributions of common shares or any security convertible into or exercisable or exchangeable for common shares (a) as a bona fide gift or charitable contribution, (b) by will or intestacy or to any member of the holder’s immediate family or to a trust for the direct or indirect benefit of the holder and/or any member of the holder’s immediate family, (c) to any corporation, partnership limited liability company or other business entity, all of the beneficial ownership interests of which, in each such case, are held by the holder or any member of the holder’s immediate family, (d) if the holder is a corporation, to limited partners, members, shareholders or holders of similar equity interests in the holder or (e) if the holder is a corporation, to another corporation, partnership, limited liability company, trust or other business entity that is an affiliate of the holder, or to any investment fund or other entity controlled or managed by the holder or affiliated with the holder, provided that (A) each transferee or distributee shall sign and deliver a lock-up agreement substantially in the form of this agreement and (B) no filing under Section 16(a) of the Exchange Act, reporting a reduction in beneficial ownership of common shares, shall be required or shall be voluntarily made during the restricted period, and provided further that any such transfer shall not involve a disposition for value;

transfers of common shares or any security convertible into or exercisable or exchangeable for common shares by operation of law pursuant to a qualified domestic order or other court order or in connection with a divorce settlement; provided that (a) any filing under Section 16(a) of the Exchange Act made during the restricted period shall clearly indicate in the footnotes thereto that (A) the filing relates to the circumstances described in this paragraph and (B) no securities were sold by the holder, and (b) the holder does not otherwise voluntarily effect any other public filing or report regarding such transfers during the restricted period;

(a) the exercise of options or other similar awards or the vesting or settlement of awards granted pursuant to the company’s equity incentive plans as described in this prospectus (including the delivery and receipt of common shares, other awards or any securities convertible into or exercisable or exchangeable for common shares in connection with such exercise, vesting or

transfers to the company to the extent required in order to satisfy the exercise price and/or any income, employment tax withholding and remittance obligations upon the vesting or exercise of an option or other award granted under an equity incentive plan or share purchase plan of the company described in this prospectus or the conversion or exercise of a warrant of the company described in this prospectus; provided that (a) any filing under Section 16(a) of the Exchange Act made during the restricted period shall clearly indicate in the footnotes thereto that (A) the filing relates to the circumstances described in this paragraph and (B) no securities were sold by the holder, and (b) the holder does not otherwise voluntarily effect any other public filing or report regarding such transfers during the restricted period; (vi) transfers to the company in connection with the repurchase of common shares in connection with the termination of the holder’s employment with the company or other service relationship with the company, provided that no public disclosure or filing under Section 16(a) of the Exchange Act shall be required or shall be voluntarily made during the restricted period;

transfers of common shares or any security convertible into or exercisable or exchangeable for common shares that is required to effect the recapitalization of the company as described in this prospectus and completed prior to the completion of this offering, including the conversion of the outstanding preferred shares of the company, provided that such common shares remain subject to the terms of this agreement;

the establishment or modification of a trading plan pursuant to Rule 10b5-1 under the Exchange Act for the transfer of common shares, provided that (a) such plan does not provide for the transfer of common shares during the restricted period and (b) to the extent a public announcement or filing under the Exchange Act, if any, is required of or voluntarily made by or on behalf of the holder or the company regarding the establishment of such plan, such announcement or filing shall include a statement to the effect that no transfer of common shares may be made under such plan during the restricted period; or

transfers pursuant to a bona fide third-party tender offer for all outstanding common shares or securities convertible into or exercisable or exchangeable for common shares, merger, amalgamation, consolidation or other similar transaction approved by the company’s board of directors and made to all holders of the company’s securities involving a change of control of the company (including, without limitation, the entering into any lock-up, voting or similar agreement pursuant to which the holder may agree to transfer, sell, tender or otherwise dispose of common shares or other such securities in connection with such transaction, or vote any common shares or other such securities in favor of any such transaction); provided that in the event that such tender offer, merger, amalgamation, consolidation or other such transaction is not completed, such securities held by the holder shall remain subject to the provisions of this agreement.