39 Notes on related parties

Raiffeisen Holding NÖ-Wien Group / UNIQA Group

Arm’s-length finance and insurance transactions exist with the Raiffeisen Holding NÖ-Wien Group and the UNIQA Group. Construction services are provided on an individual basis.

The receivables on 31 December 2025 to the Raiffeisen Group relating to current accounts and investments amounted to T€ 492,752 (2024: T€ 466,276), the payables on 31 December 2025 to the Raiffeisen Group relating to financing and current accounts amounted to T€ 0 (2024: T€ 0). The interest income in the 2025 financial year amounted to T€ 11,880 (2024: T€ 18,421), and the interest expense amounted to T€ 1,535 (2024: T€ 11).

Premiums for insurance contracts with the UNIQA Group were recognised as an expense in the amount of T€ 1,154 (2024: T€ 1,703).

Haselsteiner Group

The Haselsteiner Group holds 5.1% of STRABAG Real Estate GmbH, Cologne. The earnings from this company is reported under income attributable to non-controlling interests with an amount of T€ -365 (2024: T€ 855). The distribution from the aforementioned company amounted to T€ 3,060 in the 2025 financial year (2024: T€ 0).

The business relations between STRABAG SE and the companies of the Haselsteiner Group during the financial year, including joint investments, mainly relate to construction services and are presented as below.

T€

2025

2024

Work and services performed

6,076

23,095

Work and services received

2,368

4,817

Receivables as at 31.12.

7,372

14,018

Liabilities as at 31.12.

882

1,332

IDAG

IDAG Immobilienbeteiligung u. -Development GmbH is entirely held by private foundations whose beneficiaries are the Haselsteiner Group and the Raiffeisen-Holding NÖ-Wien Group. It is the business purpose of IDAG Immobilienbeteiligung u. -Development GmbH to develop property and to participate in property projects.

STRABAG’s headquarters in Vienna and office buildings in Graz are held in the real estate portfolio of subsidiaries of IDAG Immobilienbeteiligung u. -Development GmbH. The buildings are let to the STRABAG SE Group at the usual market conditions. Rental costs arising from both buildings in the 2025 financial year amounted to T€ 10,465 (2024: T€ 10,279). Under IFRS 16, these leases are recognised as right-of-use assets and lease liabilities. The consolidated financial statements as at 31 December 2025 show right-of-use assets of T€ 39,388 (2024: T€ 48,432) and lease liabilities of T€ 26,270 (2024: T€ 31,142). The lease liabilities are presented less the rental deposits of T€ 15,450 (2024: T€ 19,717). Other services in the amount of T€ 0 (2024: T€ 41) were obtained from the IDAG Group.

Furthermore, revenues of T€ 3,367 (2024: T€ 1,454) were made with the IDAG Group in the 2025 financial year. In the 2025 financial year, a dividend from an investment of the IDAG Group, in which the STRABAG SE Group holds a minority interest, in the amount of T€ 0 (2024: T€ 2,000) was recognised as investment income.

Investments in equity-accounted investments

Holcim Cement CE Holding GmbH bundles the cement activities of Holcim, a market leader in construction materials manufacturing, and STRABAG in the countries of Central Europe. The joint activities aim at maintaining a commensurate cement supply in the Group’s core countries. In 2025, STRABAG procured cement services worth T€ 48,461 (2024: T€ 36,963). At the balance sheet date, there were liabilities to Holcim Cement CE Holding GmbH Group in the amount of T€ 3,342 (2024: T€ 955).

The business transactions with the other equity-accounted investments can be presented as follows:

T€

2025

2024

Work and services performed

135,080

103,780

Work and services received

61,146

65,087

Receivables as at 31.12.

17,418

16,520

Liabilities as at 31.12.

17,879

13,989

Financing receivables as at 31.12.

86,255

98,380

For information about consortia we refer to item (18) Notes on consortia.

Management

Concerning business transactions with the Management Board members and employees of the first management level (management in key positions) and with their family members and companies which are controlled by the management in key positions or decisively influenced by them in the reporting period, services worth T€ 23 (2024: T€ 7) were provided and services worth T€ 36 (2024: T€ 57) were procured. As at 31 December 2025, there were receivables in the amount of T€ 0 (2024: T€ 0) and liabilities in the amount of T€ 2 (2024: T€ 0) out of these business relations.

In the 2025 financial year, services amounting to T€ 207 (2024: T€ 0) were provided to members of the Supervisory Board or to companies over which significant influence is exercised. Services on arm’s-length terms amounting to T€ 6,012 (2024: T€ 585) were received from companies in which members of the Supervisory Board hold a governing position or have an interest. As at the balance sheet date, receivables from these business relationships amounted to T€ 4 (2024: T€ 0) and liabilities to T€ 36 (2024: T€ 0).

The total remuneration including any severance and pension payments, as well as other long-term payments for employees of the first management level, amounted to T€ 30,924 (2024: T€ 23,687) in the reporting period. Of this amount, T€ 30,768 (2024: T€ 23,488) is attributable to the current remuneration, which includes fixed and variable remuneration for the previous financial year, and T€ 156 (2024: T€ 199) to severance and pension payments. As at 31 December 2025, obligations from variable remuneration amounted to T€ 27,499 (2024: T€ 23,118). These include the provisions for profit-sharing for the financial year as well as retentions from variable remuneration.