Exhibit 99.8

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors of Baytex Energy Corp.:

We consent to the use of:

•our report dated February 23, 2023 on the consolidated financial statements of Baytex Energy Corp. (the “Company”) which comprise the consolidated statements of financial position as of December 31, 2022 and 2021, the related consolidated statements of income and comprehensive income, changes in equity, and cash flows for the years then ended, and the related notes, and

•our report dated February 23, 2023 on the effectiveness of the Company’s internal control over financial reporting as of December 31, 2022

each of which is included in the Annual Report on Form 40-F of the Company for the fiscal year ended December 31, 2022.

We also consent to the incorporation by reference of such reports in the Registration Statement (No. 333-171568) on Form S-8 of the Company.

/s/ KPMG LLP

Chartered Professional Accountants

Calgary, Canada

February 23, 2023