Zegna Results Presentation Deck

GROUP REVENUES BY SEGMENT (UNAUDITED) Reconciliation Tables Zegna Thom Browne Tom Ford Fashion(*) Total for Zegna Group Revenues growth Zegna Thom Browne Tom Ford Fashion Total for Zegna Group 12.7% 10.4% n.m. 22.9% Revenues growth 3.0% 6.3% n.m. Foreign exchange 20.8% (1.4%) (2.9%) n.m. (1.9%) Foreign exchange (3.0%) (6.8%) n.m. 9M 2023 vs 9M 2022 (4.2%) Acquisitions and disposals 1.5% (2.4%) n.m. 12.5% (*) Throughout this section considered not meaningful (n.m.) as the Group began operating the Tom Ford Fashion segment following the TFI Acquisition, which was completed on April 28, 2023, therefore there is no comparison figure for the period. Q3 2023 vs Q3 2022 Acquisitions and disposals 2.0% 4.6% n.m. Changes in license agreements where Zegna operates as a licensee 22.4% (7.5%) -% n.m. (6.9%) Changes in license agreements where Zegna operates as a licensee (8.7%) -% n.m. Ermenegildo Zegna Group (8.7%) Organic Growth 20.1% 15.7% n.m. 19.2% Organic Growth 12.7% 8.5% n.m. 11.3% The tables above show a reconciliation of revenue growth for the nine months ended September 30, 2023 and for the three months ended September 30, 2023 to organic growth for the same periods by segment and at the Group level. 23

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