Ad hoc Notification pursuant to Article 17 MAR

Third-party portfolio valuation as per December 31, 2023

Hamburg, January 12, 2024 – Today, the external review of the year-end valuation of the real estate portfolio of alstria office REIT-AG (“alstria”, ISIN DE000A0LD2U1) has been finalized. The independent third party valuation determined a value of around EUR 4.0 billion for alstria's real estate portfolio as at December 31, 2023 (EUR 4.6 billion as at December 31, 2022).

No covenants under the loan agreements and/or the terms and conditions of the bonds and Schuldschein are being breached as a result of this valuation.

Further information:

www.alstria.de

linkedin.com/company/alstria-office-reit

www.beehive.work

About alstria

alstria office REIT AG is the leading real-estate operator focusing solely on German office property in selected German markets. Our strategy is based on the ownership and an active management of our properties throughout their entire life cycle, strong added-value services to our customers and deep knowledge of the markets in which we operate. alstria strives for sustainable long-term value creation while taking advantage of short-term arbitrage of inefficiencies in the real estate markets. As per December 31, 2023 the portfolio comprised 106 buildings with a lettable area of 1.4 million m².

Disclaimer
This release constitutes neither an offer to sell nor a solicitation of an offer to buy any shares. As far as this press release contains forward-looking statements with respect to the business, financial condition and results of operations of alstria office REIT-AG (alstria), these statements are based on current expectations or beliefs of alstria's management. These forward-looking statements are subject to a number of risks and uncertainties that could cause actual results or performance of the Company to differ materially from those reflected in such forward-looking statements. Apart from other factors not mentioned here, differences could occur as a result of changes in the overall economic situation and the competitive environment – especially in the core business segments and markets of alstria. Also, the development of the financial markets and changes in national as well as international provisions particularly in the field of tax legislation and financial reporting standards could have an effect. Terrorist attacks and their consequences could increase the likelihood and the extent of differences.