Tamarack, Headwater in $7.24B all-stock merger

Tamarack Valley Energy and Headwater Exploration have agreed to combine in an all‑stock transaction valued at more than $7.24 billion. Under the definitive agreement, each Headwater share will be exchanged for one Tamarack common share. To complete the deal, Tamarack plans to issue approximately 237.8 million new common shares to Headwater shareholders.

Following the issuance of these shares, existing Tamarack shareholders are expected to own about 66.5% of the combined company. Headwater shareholders are projected to hold approximately 33.5%. The transaction structure positions the enlarged business as a Clearwater‑focused oil and gas producer with a broadened shareholder base.

The combined company is expected to become a leading producer focused exclusively on the Clearwater play. Management anticipates run‑rate Clearwater production of more than 80,000 barrels of oil equivalent per day after the merger. This scale is intended to leverage the companies’ complementary asset bases and operational footprints within the play.

The Clearwater concentration is central to the transaction rationale, aligning both companies around a single, liquids‑weighted growth area. The larger production base is expected to enhance operating efficiency and provide greater flexibility in capital allocation across the Clearwater portfolio.

Management forecasts that the transaction will be immediately accretive to Tamarack’s free funds flow per share by more than 10%. The combined business is also expected to generate run‑rate synergies in excess of $50 million annually. These synergies are anticipated to come from operational efficiencies and cost savings across the merged asset base.

Following completion of the merger, Tamarack plans to increase its quarterly dividend by 20%, from C$0.05 per share to C$0.06 per share. This planned dividend increase reflects expectations for higher free funds flow and enhanced cash generation from the combined Clearwater assets.

As part of the transaction, certain exploration assets will be transferred into a newly formed company called Tributary Exploration. These assets include Mannville exploration rights in Alberta, prospective thermal heavy oil assets in Saskatchewan, and Headwater’s McCully natural gas operation in New Brunswick. Tributary is expected to be separately listed and led by Headwater’s current management team.

Assuming completion of a planned private placement and certain warrant exercises, Tributary is expected to hold approximately C$50 million of cash to fund development and acquisitions. The spinout structure is designed to separate these exploration and thermal opportunities from the Clearwater‑focused core of the merged Tamarack‑Headwater business.

The Tamarack–Headwater transaction is targeted to close midway through the fourth quarter of 2026. Completion is subject to multiple conditions, including shareholder approvals from both companies, court approvals, regulatory clearances, Competition Act review, and acceptance by the Toronto Stock Exchange.

Until these conditions are satisfied and the transaction closes, Tamarack and Headwater will continue to operate as separate entities. The closing timeline and approval process will determine when shareholders begin to see the effects of the merger, including the planned dividend increase and integration of Clearwater operations.