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Pulsar Helium Reports Improved Flow Test Results at Jetstream #1

Jetstream #1 well achieves 501 Mcf/d natural flow rate, more than triple the April 2024 performance at Topaz Project in Minnesota.

  • Natural flow rate of 501 Mcf/d recorded on 15 August 2025 using 38/64-inch choke at 30 psi wellhead pressure
  • Flow rate represents more than triple the 150 Mcf/d achieved in April 2024 under similar pressure conditions
  • No formation water encountered during testing; gas flows as dry gas
  • Well reached total depth of 5,100 feet, penetrating entire interpreted helium-bearing zone
  • Compression testing and Jetstream #2 evaluation programme to follow

Pulsar Helium Inc. (AIM: PLSR, TSXV: PLSR, OTCQB: PSRHF) is a helium project development company with a portfolio consisting of the Topaz helium project in Minnesota, USA, and the Tunu helium project in Greenland. The company holds exclusive leases at both locations and focuses on primary helium occurrences not associated with hydrocarbon production.Pulsar's activities are directed toward exploration, appraisal and development of its helium assets to address global helium demand.

Flow Test Performance Results

Jetstream #1 achieved a peak natural flow rate of 501 Mcf/d on 15 August 2025, measured on a 38/64-inch choke at 30 psi wellhead pressure without compression or stimulation. This compares to the April 2024 peak natural flow of 150 Mcf/d at 34 psi wellhead pressure. The improvement follows wellbore clean-up and deepening activities completed since the previous testing phase.

The well demonstrated sustained flows of 150-300 Mcf/d for periods of 12-18 hours on smaller choke sizes, with no significant decline observed. Pressure recovery occurred rapidly following these sustained flow periods. No formation water was encountered during the testing programme.

Previous compression testing in February 2024 achieved flow rates of 821 Mcf/d. Pulsar plans to conduct compression-assisted flow testing to assess maximum capacity by reducing wellhead pressure via surface compression equipment.

Well Testing Programme and Technical Data

The Jetstream #1 appraisal well reached total depth of 5,100 feet on 11 January 2025, penetrating the entire interpreted helium-bearing reservoir. This extends the previous drilling to 2,200 feet completed on 27 February 2024. Gas composition analyses from April 2024 showed helium concentrations ranging from 8.7% to 14.5%.

The Jetstream #2 appraisal well was completed on 1 February 2025, reaching total depth of 5,638 feet. Testing equipment will be moved to Jetstream #2 following completion of the current programme at Jetstream #1. Additional sustained-flow results, compression testing results, and full gas composition analyses are being obtained.

Helium concentrations recorded exceed the 0.3% threshold widely accepted as economically viable for commercial production. The Topaz project is located in northern Minnesota where Pulsar holds exclusive leases and operates as the first mover in the region.

Project Status and Development Activities

CEO Thomas Abraham-James stated that the results "validate our subsurface model, significantly de-risk the Topaz project, and confirm the reservoir's outstanding productivity." The deepening of Jetstream #1 to penetrate the entire helium-bearing zone has been completed as planned.

The company will continue flow testing including compression-assisted testing and gas composition analyses. Results from Jetstream #2 testing are anticipated following equipment relocation. These activities form part of Pulsar's strategy to become a helium producer.

Further updates on sustained-flow results, compression testing outcomes, and full gas composition analyses will be provided upon completion. The testing programme aims to provide data for production facility design and future development planning at the Topaz Project.

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