Benchmark Holdings Plc

Report Publication Announcement • May 5, 2023

5 May 2023

Benchmark Holdings plc

("Benchmark", the "Company" or the "Group")

Notice of Q2 and Interim Results

Results presentations

Benchmark Holdings plc (AIM: BMK, Euronext Growth Oslo: BMK), the aquaculture biotechnology business, will announce its Q2 and Interimsresults, for the three and six month period ended 31 March 2023, on Tuesday, 23 May 2023.

Presentation for analysts and institutional investors at 08.00 UK time (09.00 CET)

Trond Williksen, Chief Executive Officer and Septima Maguire, Chief Financial Officer will host a presentation for analysts and institutional investors on the day at 08.00 UK time.

The presentation will be held in person at Pareto Securities offices in Oslo at Dronning Mauds gate 3, N-0250 Oslo, Norway. If you would like to attend in person, please contact Thea Naess at thea.naess@paretosec.com.

A live webcast of the presentation will be available for analysts and investors to join remotely at the following link: https://channel.royalcast.com/hegnarmedia/#!/hegnarmedia/20230523\_3

Equity Development webcast at 12.00 UK time

Trond Williksen, Chief Executive Officer and Septima Maguire, Chief Financial Officer will host a second webcast for retail investors and wealth managers on the day at 12.00 UK time. The webcast is open to all existing and potential shareholders.

To register please visit: https://www.equitydevelopment.co.uk/news-and-events/benchmark-2qresults-presentation-23may2023

A recording of the presentation will be available after the event on the Equity Development website.

Enquiries For further information, please contact:

Benchmark Holdings plc Tel: 0114 240 9939 Trond Williksen, CEO Septima Maguire, CFO Ivonne Cantu, Investor Relations

Numis (Broker and NOMAD) Tel: 020 7260 1000

Katie Hunt, Reg Hoare, Veronica Farah benchmark@mhpgroup.com

Freddie Barnfield, Duncan Monteith, Sher Shah

MHP Tel: 020 3128 8004

Equity Development Hannah Crowe

About Benchmark

Benchmark is a leading aquaculture biotechnology company. Benchmark's mission is to enable aquaculture producers to improve their sustainability and profitability.

We bring together biology and technology to develop innovative products and solutions which improve yield, quality and animal health and welfare for our customers. We do this by improving the genetic make-up, health and nutrition of their stock - from broodstock and hatchery through to nursery and grow out.

Benchmark has a broad portfolio of products and solutions, including salmon eggs, live feed (Artemia), specialist diets and probiotics and sea lice treatments. Find out more at www.benchmarkplc.com.