Rivalry Corp. — Regulatory Filings 2021

Sep 17, 2021

PMML CORP.

CERTIFICATE

TO: Ontario Securities Commission

AND TO: British Columbia Securities Commission Alberta Securities Commission Financial and Consumer Services Commission (New Brunswick) Office of the Superintendent of Securities, Newfoundland & Labrador

RE: Final Long Form Prospectus of PMML Corp. (“ Corporation ”) dated September 17, 2021 (“ Final Prospectus ”)

In connection with filing of the Final Prospectus, the undersigned hereby undertakes, for and on behalf of the Corporation, that pursuant to subparagraph 9.2(a)(xii) and (xii.1) of National Instrument 41-101 — General Prospectus Requirements (“ NI 41-101 ”), the Corporation will file:

(i) any document affecting the rights of securityholders described under subparagraph 9.1(1)(a)(ii) of NI 41-101; and

(ii) any material contract required to be filed under subparagraph 9.1(1)(a)(iii) of NI 41-101,

in each case that has not been previously filed, promptly and in any event within seven (7) days after the execution of the document or material contract.

[ Signature Page Follows ]

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Dated: September 17, 2021.

PMML CORP.

By: (signed) “ Steven Salz ” Name: Steven Salz Title: Chief Executive Officer