Signing of the agreements for construction of the gas-fired units in Rybnik and in Gryfino

The Management Board of PGE Polska Grupa Energetyczna S.A. (”PGE") discloses that on March 4, 2026 subsidiaries of PGE signed agreements with consortium of: Polimex Mostostal S.A. (consortium leader), Siemens Energy Sp. z o.o. (consortium member) and Siemens Energy Global GmbH & Co. KG (consortium member).

Details of the agreements are presented below.

1. Agreement for construction of gas-fired unit in Rybnik along with the LTSA

On March 4, 2026 PGE Inwest 23 sp. z o.o., PGE’s subsidiary, has concluded two agreements: EPC agreement and service agreement (the ”Agreements”) with the consortium of: Polimex Mostostal S.A. (consortium leader), Siemens Energy Sp. z o.o. (consortium member), Siemens Energy Global GmbH & Co. KG (consortium member) (the „Contractor”).

Subject matter of the EPC agreement is the performance of construction and assembly works and other works by the Contractor, in order to build a gas-fired unit in Rybnik with a capacity of approx. 600 MWe. The unit will be constructed in OCGT (Open Cycle Gas Turbine) technology. The commissioning of the unit is to take place by January 16, 2030.

Value of the EPC agreement amounts to PLN 1 170 654 956.00 net and EUR 269 547 000.00 net.

The EPC agreement provides for contractual penalties for the Contractor related to, among others, failure to meet the deadline for commissioning of the unit, failure to comply with the guaranteed net rated capacity, failure to deliver the guaranteed level of availability and failure to meet guaranteed net efficiency of the unit. The total sum of contractual penalties resulting from all failures assumed by the EPC agreement cannot exceed 20% of the value of the Contractual Remuneration.

In case of withdrawal from the EPC agreement in full or in the scope of the unfulfilled part for reasons for which one of the parties is liable under the agreement the other party is entitled to charge the responsible party with a contractual penalty in the amount of 10% of the value of the Contractual Remuneration. The EPC agreement also includes an indexation clause which takes into account potential increase of the Contractor’s remuneration by half of the cumulative increase in the prices of construction and assembly production index which is published on the website of the Central Statistical Office of Poland. The maximum indexation of the remuneration due to the above cannot exceed 15% of the Contractual Remuneration.

In connection with the EPC agreement, a long-term service agreement (LTSA) was also signed with regard to gas turbine for the period of at least 12 years starting from the commissioning date of the unit. The value of the service agreement amounts to EUR 132 000 000 net – for the fixed part of the service remuneration, and up to PLN 20 000 000 net – for the maximum variable remuneration.

2. Agreement for construction of gas-fired unit in Gryfino along with the LTSA

On March 4, 2026 PGE Inwest 27 sp. z o.o., PGE’s subsidiary, has concluded two agreements: EPC agreement and service agreement (the ”Agreements”) with the consortium of: Polimex Mostostal S.A. (consortium leader), Siemens Energy Sp. z o.o. (consortium member), Siemens Energy Global GmbH & Co. KG (consortium member) (the „Contractor”).

Subject matter of the EPC agreement is the performance of construction and assembly works and other works by the Contractor, in order to build a gas-fired unit in Gryfino with a capacity of approx. 600 MWe. The unit will be constructed in OCGT (Open Cycle Gas Turbine) technology. The commissioning of the unit is to take place by March 27, 2030.

Value of the EPC agreement amounts to PLN 1 184 998 667.00 net and EUR 260 143 000.00 net.

The EPC agreement provides for contractual penalties for the Contractor related to, among others, failure to meet the deadline for commissioning of the unit, failure to comply with the guaranteed net rated capacity, failure to deliver the guaranteed level of availability and failure to meet guaranteed net efficiency of the unit. The total sum of contractual penalties resulting from all failures assumed by the EPC agreement cannot exceed 20% of the value of the Contractual Remuneration.

In case of withdrawal from the EPC agreement in full or in the scope of the unfulfilled part for reasons for which one of the parties is liable under the agreement the other party is entitled to charge the responsible party with a contractual penalty in the amount of 10% of the value of the Contractual Remuneration. The EPC agreement also includes an indexation clause which takes into account potential increase of the Contractor’s remuneration by half of the cumulative increase in the prices of construction and assembly production index which is published on the website of the Central Statistical Office of Poland. The maximum indexation of the remuneration due to the above cannot exceed 15% of the Contractual Remuneration.

In connection with the EPC agreement, a long-term service agreement (LTSA) was also signed with regard to gas turbine for the period of at least 12 years starting from the commissioning date of the unit. The value of the service agreement amounts to EUR 132 000 000 net – for the fixed part of the service remuneration, and up to PLN 20 000 000 net – for the maximum variable remuneration.