Lamda Development S.A.

Transaction in Own Shares • Dec 29, 2025

Purchase of Own Shares

Maroussi, 29 December 2025

LAMDA DEVELOPMENT S.A. (the "Company") pursuant to the resolutions of the Annual General Meeting of the Shareholders dated 26 June 2025 as well as of the Board of Directors of the Company dated 26 June 2025 and following the Share Buyback Announcement dated 27 June 2025, announces that during the period 19.12.2025 – 23.12.2025 it acquired 97,000 own shares in total, as follows:

Date	Number of shares	Average price (€)	Total amount (€)
19.12.2025	36,000	7.138	256,968.96
22.12.2025	36,000	7.140	257,051.58
23.12.2025	25,000	7.125	178,130.00

Following the aforementioned acquisitions, the Company holds in aggregate 5,756,546 own shares, equivalent to 3.257% of the Company's total outstanding number of shares.

This Announcement is issued in accordance with Regulation (EU) 596/2014 of the European Parliament and the Council dated 16 April 2014 and the European Commission Delegated Regulation (EU) 2016/1052 dated 08 March 2016.