The Management Board of B-Act S.A., with its registered office inBydgoszcz (the "Issuer"), announces that the consortium comprising theIssuer as the consortium leader and Transprojekt Gdański Sp. z o.o.,with its registered office in Gdańsk, as a consortium partner, on April17, 2026, entered into an agreement with BYDGOSKIE ZAKŁADYELEKTROMECHANICZNE "BELMA" S.A., with its registered office in BiałeBłota, ul. Łochowska 69, 86-005 Białe Błota.

The subject of this agreement is the performance of the duties of acontract engineer, together with the provision of investor supervisionservices during the preparation and implementation of an investmentproject financed from the Capital Investment Fund under the name"Development of the production capacity of Bydgoskie ZakładyElektromechaniczne BELMA S.A. for the needs of the National SecurityPlan 'Eastern Shield' and the needs of the Polish Armed Forces."

The scope of the contract includes performing the functions of acontract engineer, including management, coordination, supervision, andsettlement of the investment process, as well as exercising investorsupervision, monitoring the execution of works, tracking the scheduleand budget, and coordinating the participants in the investment process.

Expected completion date of the investment project and its settlement:by December 31, 2027.

The consortium will receive a total gross payment of PLN 1,963,080.00for the performance of the contract. The Issuer's share of this paymentwill amount to approximately 95%.

The Issuer's Management Board deemed the above agreement to be materialdue to its value and the fact that it may have a significant impact onthe Issuer's future financial and asset situation.