alstria office REIT-AG: Third-party portfolio valuation as per December 31,
2023

EQS-Ad-hoc: alstria office REIT-AG / Key word(s): Miscellaneous
alstria office REIT-AG: Third-party portfolio valuation as per December 31,
2023

12-Jan-2024 / 18:02 CET/CEST
Disclosure of an inside information acc. to Article 17 MAR of the Regulation
(EU) No 596/2014, transmitted by EQS News - a service of EQS Group AG.
The issuer is solely responsible for the content of this announcement.

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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.


Contact:
alstria office REIT-AG
Ralf Dibbern
Head of Finance, Controlling & Reporting
Steinstrasse 7
20095 Hamburg
Germany
T +49 40 22 63 41-329
F +49 40 22 63 41-229
rdibbern@alstria.de


End of Inside Information

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12-Jan-2024 CET/CEST The EQS Distribution Services include Regulatory
Announcements, Financial/Corporate News and Press Releases.
Archive at www.eqs-news.com

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   Language:       English
   Company:        alstria office REIT-AG
                   Steinstraße 7
                   20095 Hamburg
                   Germany
   Phone:          040-226 341 300
   Fax:            040-226 341 310
   E-mail:         info@alstria.de
   Internet:       http://www.alstria.de
   ISIN:           DE000A0LD2U1
   WKN:            A0LD2U
   Indices:        EPRA, German REIT Index
   Listed:         Regulated Market in Frankfurt (Prime Standard);
                   Regulated Unofficial Market in Berlin, Dusseldorf,
                   Hamburg, Hanover, Munich, Stuttgart, Tradegate
                   Exchange; London, Luxembourg Stock Exchange, SIX,
                   Vienna Stock Exchange
   EQS News ID:    1814329

End of Announcement EQS News Service
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1814329 12-Jan-2024 CET/CEST