In short, the Assignment is divided into two lots and concerns: design, engineering, manufacturing, transportation and delivery on site of heat exchangers for the production plant within the HVC geothermal portfolio. – Lot nr.: 1 Lot 1: Westland Porfolio The objective of this tender is to establish a long-term framework agreement with a Supplier offering a standardized range of Heat Exchangers suitable for application in geothermal district heating systems. The Supplier is requested to provide a proposal for a framework agreement covering the supply of vertical plate-and-frame Heat Exchangers for HVC’s Westland Portfolio geothermal projects represented by the Wippolderlaan Heat Exchanger Datasheet. See project and technical details in Scope of Delivery 104248.01.01 - CON - 035 - Scope of Delivery - Heat Exchangers - Lot 1 Last tender date: 11/30/2026 17:00:00 Type of contract: Supplies Authority: N.V. HVC Document URL: https://s2c.mercell.com/today/239154 Tenders URL: https://s2c.mercell.com/today/239154 Duration contract start date : 04/05/2027 00:00:00 Lot involves: FrameworkAgreement – Lot nr.: 2 Lot 2: Slochteren Portfolio The objective of this tender is to establish a long-term framework agreement with a Supplier offering a standardized range of Heat Exchangers suitable for application in geothermal district heating systems. The Supplier is requested to provide a proposal for a framework agreement covering the supply of vertical plate-and-frame Heat Exchangers for HVC’s Slochteren Portfolio geothermal projects represented by the Alton Heat Exchanger Datasheet. See project and technical details in Scope of Delivery 104248.01.01 - CON - 036 - Scope of Delivery - Heat Exchangers - Lot 2 Last tender date: 11/30/2026 17:00:00 Type of contract: Supplies Authority: N.V. HVC Document URL: https://s2c.mercell.com/today/239154 Tenders URL: https://s2c.mercell.com/today/239154 Duration contract start date : 04/05/2027 00:00:00 Lot involves: FrameworkAgreement

Framework Agreement regarding the supply of Heat Exchangers for Geothermal Projects

In short, the Assignment is divided into two lots and concerns: design, engineering, manufacturing, transportation and delivery on site of heat exchangers for the production plant within the HVC geothermal portfolio. – Lot nr.: 1 Lot 1: Westland Porfolio The objective of this tender is to establish a long-term framework agreement with a Supplier offering a standardized range of Heat Exchangers suitable for application in geothermal district heating systems. The Supplier is requested to provide a proposal for a framework agreement covering the supply of vertical plate-and-frame Heat Exchangers for HVC’s Westland Portfolio geothermal projects represented by the Wippolderlaan Heat Exchanger Datasheet. See project and technical details in Scope of Delivery 104248.01.01 - CON - 035 - Scope of Delivery - Heat Exchangers - Lot 1 Last tender date: 11/30/2026 17:00:00 Type of contract: Supplies Authority: N.V. HVC Document URL: https://s2c.mercell.com/today/239154 Tenders URL: https://s2c.mercell.com/today/239154 Duration contract start date : 04/05/2027 00:00:00 Lot involves: FrameworkAgreement – Lot nr.: 2 Lot 2: Slochteren Portfolio The objective of this tender is to establish a long-term framework agreement with a Supplier offering a standardized range of Heat Exchangers suitable for application in geothermal district heating systems. The Supplier is requested to provide a proposal for a framework agreement covering the supply of vertical plate-and-frame Heat Exchangers for HVC’s Slochteren Portfolio geothermal projects represented by the Alton Heat Exchanger Datasheet. See project and technical details in Scope of Delivery 104248.01.01 - CON - 036 - Scope of Delivery - Heat Exchangers - Lot 2 Last tender date: 11/30/2026 17:00:00 Type of contract: Supplies Authority: N.V. HVC Document URL: https://s2c.mercell.com/today/239154 Tenders URL: https://s2c.mercell.com/today/239154 Duration contract start date : 04/05/2027 00:00:00 Lot involves: FrameworkAgreement

Lot 1: Westland Porfolio

The objective of this tender is to establish a long-term framework agreement with a Supplier offering a standardized range of Heat Exchangers suitable for application in geothermal district heating systems. The Supplier is requested to provide a proposal for a framework agreement covering the supply of vertical plate-and-frame Heat Exchangers for HVC’s Westland Portfolio geothermal projects represented by the Wippolderlaan Heat Exchanger Datasheet. See project and technical details in Scope of Delivery 104248.01.01 - CON - 035 - Scope of Delivery - Heat Exchangers - Lot 1

Lot 2: Slochteren Portfolio

The objective of this tender is to establish a long-term framework agreement with a Supplier offering a standardized range of Heat Exchangers suitable for application in geothermal district heating systems. The Supplier is requested to provide a proposal for a framework agreement covering the supply of vertical plate-and-frame Heat Exchangers for HVC’s Slochteren Portfolio geothermal projects represented by the Alton Heat Exchanger Datasheet. See project and technical details in Scope of Delivery 104248.01.01 - CON - 036 - Scope of Delivery - Heat Exchangers - Lot 2