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Tamarack Valley and Headwater Exploration agree C$10bn all-stock Clearwater merger

9/9/2026

An all-stock merger worth C$10bn (US$7.25bn) between Tamarack Valley Energy (TSX: TVE) and Headwater Exploration (TSX: HWX) would consolidate more than 1,500 sections of Alberta's Clearwater fairway under a single operator.

Run-rate throughput in the Clearwater Formation is expected to top 80,000 barrels of oil equivalent per day. Closing is targeted for mid-Q4 2026, pending shareholder, court, Competition Act, and TSX approvals.

Deal terms and production capacity Each Headwater share converts into one Tamarack common share, with Tamarack issuing 237.8 million new shares in total.

Post-close, Tamarack investors will hold 66.5% of the merged group and Headwater investors 33.5%. Tamarack's current management will lead the combined company.

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