The subject of the procurement procedure is the conclusion of a framework agreement on audit services for the period 2022 to 2026. The audit contracts subsequently issued annually on the basis of the framework agreement include the audit and approval of the individual and consolidated financial statements and various subsidiaries.

For a detailed description of procurement, see point II. 2.4)

Duisburger Hafen AG (duisport) is the ownership and management company of the Port of Duisburg, the largest inland port in the world. The special combination of good location conditions, advantageous geographical location and logistical know-how makes Duisburg Port the leading multimodal logistics hub in Central Europe. With an intelligently connected network of industrial and logistics, the duisport Group makes an important contribution to optimizing transport chains. The multimodal networking of international freight transport underscores the port of Duisburg's position as a gateway to the markets of Europe.

The service portfolio of the duisport Group is divided into four divisions: infra- and superstructure, logistical services, packaging logistics and contract logistics.

The investment management company of the state of North Rhine-Westphalia mbH holds two-thirds of the shares in the company. The city of Duisburg holds a third of the shares.

The subject of the procurement procedure is the conclusion of a framework agreement on audit services for the period 2022 to 2026. The audit mandates subsequently issued annually on the basis of the framework agreement include the audit and approval of the individual and consolidated financial statements and various subsidiaries (1 large, 6 medium-sized, 6 small corporations and 9 microcorporations) as well as 2 medium-sized and 1 small GmbH & Co. KG each by an auditor or an auditing company according to the German Commercial Code. It should be borne in mind that — with the exception of two companies — all companies draw up their financial statements in accordance with the rules for large corporations.

The scope of audit necessarily includes all audit procedures that are part of the proper annual audit, including the audit according to section 53 HgRG.

In addition:

• Business audit of the remuneration of members of the Executive Board and senior employees • Review of the royalty report for members of the Executive Board • Review of the Board's report on relationships with affiliated companies (dependency report) • Audit of compliance with the corporate governance code of the State of NRW for the duisport Group and the Group's fully consolidated companies.

• Separate review according to § 53 HgRG and review of the report on the Corporate Governance Code of the City of Duisburg for an investment company.

• Audit priorities specified by the Supervisory Board (3-4 p.a.) from the areas of accounting, business processes and compliance management system • Participation in Supervisory Board and Audit Committee meetings that are the subject of the annual financial statements.

The Group's total assets amounted to EUR 417 million as of December 31, 2020. The sales volume for fiscal year 2020 was EUR 264 million. The Group's asset intensity was 80.9% as of the reporting date.

The accounting of the German companies and the Belgian subsidiary is carried out by the head office in Duisburg using MICROSOFT Dynamics NAV. The accounting and preparation of annual financial statements for subsidiaries in the People's Republic of China, India and Poland are carried out locally by external service providers in the countries. The audits of foreign companies in Poland, India and the People's Republic of China are to be carried out on site in the respective countries.

The audit procedures and findings are to be explained in a final discussion. Audit reports must also be prepared for all audited companies. In addition to the bound print versions of audit reports and test copies, electronic versions must also be made available.

The audit reports on the Group and the individual financial statements of Duisburger Hafen AG also include explanations on the net assets, financial and earnings position.