Investor Presentaiton

Mall Segment Q4 and FY 2022 key results: Mall Segment¹ GMV PLN 1,424m Q4'22 -5.5% YoY pro-forma² PLN 3,911m FY'22 pro-forma² -6.3% YoY pro-forma² Active Buyers³ GMV per Active Buyer5 4.2m Q4'22 pro-forma² -5.9% YoY pro-forma² PLN 936 pro-forma² -0.4% YoY pro-forma² Take Rate6 12.36% Q4'22 N/A8 Revenue Adjusted EBITDA Adj. EBITDA / GMV margin 1P Gross margin PLN 1,061m Q4'22 -7.8% YoY pro-forma² PLN 39.4m Q4'22 N/A4 -2.77% Q4'22 -2.11pp YoY pro-forma² PLN 2,997m FY'22 pro-forma² -9.8% YoY pro-forma² PLN 197.0m FY'22 pro-forma² N/A4 -5.04% FY'22 pro-forma² -3.62pp YoY pro-forma² 12.7% Q4'22 N/A8 12.3% FY'22 pro-forma² N/A8 1. Mall Group a.s. and WE | DO s.r.o. (CZ) and their operating direct and indirect subsidiaries as of FY 2022: WE | DO s.r.o (SK), Internet Mall a.s., Internet Mall Hungary Kft, Mimovrste, spletna trgovina d.o.o., Internet Mall Slovakia s.r.o., Internet Mall d.o.o., Netretail Sp. z.o.o. in liquidation, m-HU Internet Kft., E-commerce Holding a.s., CZC.cz s.r.o., AMG Media a.s. These entities comprise the "Mall Segment" reportable in the Group's financial statements 2. Estimates of pro-forma prior year comparative information for the same Mall organizational structure, together with WE | DO, as acquired by Allegro in April 2022 3. Represents, as of the end of a period, each unique email address connected with a buyer that has made at least one purchase on any of mall.cz, mall.sk, mall.hu, www.mimovrste.com, mall.hr, czc.cz in the preceding twelve months 4. Not applicable, as the pro-forma comparative was a negative number with Adjusted EBITDA loss of (-PLN 10.0m) and (PLN -58.9m) in the comparable pro-forma periods for Q4 2021 and FY 2021, respectively 5. Represents LTM GMV divided by the number of Active Buyers as of the end of a period 6. Defined as 3P Marketplace Revenue / (GMV - 1P GMV) 7. Defined as (Retail revenue - cost of goods sold) / Retail revenue 8. Comparative pro-forma information for prior year not available | 18

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