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About Sea Forest

Sea Forest is a science-based leading Australian livestock feed additive manufacturer utilising and replicating the science of methane abating Asparagopsis seaweed to generate productivity gains for farmers while reducing methane emissions created by ruminant livestock.

Founded on pioneering research into the natural bioactive properties of Asparagopsis seaweed, Sea Forest has since advanced that science into a proprietary manufactured solution that replicates the key natural bioactive ingredients at scale, enabling a stable, safe and reliable, commercially available product for the livestock industry. Based at their 100% owned, 30-hectare facility in Swansea, Tasmania, Sea Forest manufactures and distributes its innovative products  while retaining access to 1,800-hectares of marine leases, facilitating ongoing research and development and driving product innovation.

Sea Forest has developed a clear value proposition for its customers. Sea Forest’s flagship product SeaFeed™ is a livestock feed additive, scientifically formulated to replicate the beneficial properties of the red seaweed Asparagopsis that improves productivity by over 6% and abates up to 80% of livestock methane emissions.

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Investment highlights

  • Commercialisation
    • Sea Forest has ~100,000 head of livestock under agreements to be supplemented with SeaFeedTM equating to an annualised revenue potential of ~$12.4 million. These existing customers have the potential to increase the use of SeaFeedTM  up to 221,000 head equating to an annualised revenue potential of ~$25 million
    • Key contracts include multi-year supply agreements with Australia’s second largest beef producer, Teys Australia for an initial 70,000 head and Chadwick Consolidated Group for an initial 30,000 head
    • Working with Bovine Dynamics who represent a client base of over 800,000 head in feedlots under its dietary management
  • Significant productivity uplift and savings
    • Sea Forest’s flagship manufactured product is profitable for livestock owners, improving productivity while reducing methane emissions
    • Productivity gains (increase in saleable meat) of $0.52/head of cattle/day and feed savings of an additional $0.22/head of cattle/day when using SeaFeedTM, a combined $0.74/head of cattle/day 
  • Scalable production capacity
    • Based in Triabunna, Tasmania, Sea Forest has world class production and laboratory facilities
    • Existing production capacity of feed for up to 500,000 head of livestock every day
    • First mover advantage and IP with a FAMI QS certified manufactured product
  • Reduced emissions
    • Studies have shown animals whose diets include Sea Forest products can reduce methane emissions by up to 80%
  • Strong pipeline
    • Sea Forest needs just 100,000 head to be cashflow breakeven and is currently in discussion with major Australian cattle and dairy producers representing a pipeline of an additional 700,000 head of livestock
    • While Sea Forest’s core focus remains on the Australian market, the company has actively initiated pathways to market entry in key international regions, obtaining regulatory approvals and establishing partnerships in these regions
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Investment highlights

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    Commercialisation and Partnerships


    • Sea Forest has ~100,000 head of livestock being supplemented with SeaFeedTM equating to an annualised revenue potential of ~$12.4 million. These existing customers have the potential to increase the use of SeaFeedTM up to 236,000 head equating to an annualised revenue potential of ~$26.7 million.
    • Key contracts include multi-year supply agreements with Australia’s second largest beef producer, Teys Australia for an initial 70,000 head and Chadwick Consolidated Group for an initial 30,000 head.
    • Partnership established with Bovine Dynamics who represent a client base of over 800,000 head in feedlots under its dietary management.

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    Proven technology with measurable impact – SeaFeed™ has been scientifically validated in peer-reviewed studies to reduce methane emissions from ruminant livestock by up to 80 %, while improving feed efficiency and saleable meat yield.

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    Integrated, scalable operations – Sea Forest controls the full value chain from research and cultivation to production and distribution, supported by world-class facilities in Tasmania and expanding capacity in Australia, Europe, and South Africa.

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    Established commercial traction – partnerships and supply agreements in place with major producers and distributors, including Teys Australia (Cargill), Ashgrove Dairy, Chadwick Consolidated Group, and Orffa.

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    Recognised sustainability leader – finalist for The Earthshot Prize, named among Fast Company’s Most Innovative Companies of 2024, and winner of the InnovationAus Awards for Excellence.

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    Experienced leadership team – led by CEO and Co-Founder Sam Elsom and Chair John McKillop, supported by an accomplished board and senior management team with deep expertise in agriculture, science, and commercialisation.

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Key Dates

Event Date 2025
Prospectus Date 27 October
Exposure Periods Ends 3 November
Broker Firm Offer and Priority Offer Opens 4 November
Broker Firm Offer and Priority Offer Closes 14 November
Settlement of Offer 20 November
Allotment of Shares 21 November
Expected ASX Listing (Normal Settlement) 26 November
Expected Despatch of Holding Statements 27 November



Dates are indicative only and subject to change. Sea Forest and the Lead Manager, Ord Minnett Limited, reserve the right to vary the Offer timetable, including closing the Offer early or extending it, without notice.

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This Offer is open to residents of Australia only. By accessing the prospectus, you acknowledge that you are a resident of Australia.

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