Investor Day presentation & FY26 Trading Update

Market Release 10 March 2026 Investor Day presentation & FY26 Trading Update Serko Limited (NZX & ASX: SKO) will hold an Investor Day in Auckland for members of the investment community on Tuesday 10 March 2026. Investor Day presentation Please find attached the Investor Day presentation and the Chair’s welcome. Serko’s Investor Day will cover: Serko’s AI advantage: How we will leverage our competitive and defensible advantages to succeed in an AI world. Strategic initiatives: How we will build on the advantages in our core business including: scaling Booking.com for Business, pursuing growth into targeted US corporate segments, and introducing our new multi-agent AI offering. Growth and value: Outlining our path to sustainable growth, the sources of future revenue, and the disciplined investment required to capture the opportunity. FY26 Trading Update Serko is also today providing a Trading Update for FY26. Serko expects FY26 total income to be above the midpoint of its previous guidance range ($115m-$123m) and narrows this range to $119m-$121m. In November, Serko revised its FY26 total spend guidance range downwards to $124m-$128m from $127m-$133m. Serko now expects total spend to be $121m-$123m, reflecting efficiencies realised in delivery. Risks to Serko achieving its FY26 goals include macro economic and geopolitical factors, and currency and ARPCRN movements. ENDS Authorised for release by the Serko Disclosure Committee. FURTHER INFORMATION Investor relations Shane Sampson Chief Financial Officer +64 9 884 5916 investor.relations@serko.com Media relations Alisha Vallabh Sling & Stone +64 21 0821 3224 serko@slingstone.com