Implenia Ltd. Industriestrasse 24, 8305 Dietlikon, Phone +41 44 805 45 23, Fax +41 44 805 45 20 www.implenia.com P R E S S R E L E A S E New positioning for Prime Buildings unit – Integration into Real Estate Division Dietlikon, 13 December 2012 – As announced when Implenia presented its 2012 results [...] Construction and Industrial Construction divisions under the single roof of a nationally and internationally active company. With its integrated business model and specialists operating in all its divisions, Implenia can manage a building project through its entire lifecycle and deliver work that is[...]

defined core portfolio in accordance with its strategy. Glattpark (Opfikon), 9 September 2021 – Implenia intends to sell its building construction business in Austria, along with several projects and 54 employees, to ZECH Bau Austria GmbH, a subsidiary of Zech Group. The agreement was signed on Tuesday[...]

implenia.com MEDIA RELEASE Concentration on core business – Implenia sells Tetrag to swenex The sale of Tetrag to swenex, a total solution provider for energy controlling, marks another step in the realisation of Implenia’s strategy of focusing on core business. Dietlikon, 1 July 2021 – Implenia is concentrating [...] other markets it will provide tunnelling and associated infrastructure projects. Consequently Implenia is selling areas that lie outside its core business. Tetrag, a total solution provider for energy controlling with several well established relationships with major customers, is being sold to swenex [...] procurement, energy data management and billing). The acquisition was completed yesterday and swenex takes over operational responsibility for the business with immediate effect. Contact for media: Corporate Communications, T +41 58 474 74 77, communication@implenia.com Contact for Investors and Analysts:[...]

agreement for the premises. Implenia is selling the ETS unit in Austria to new owners in line with its asset-light strategy and its focus on core business. Implenia will be concentrating in future on integrated construction and real estate services in Switzerland and Germany. In other markets it will [...] conditions for their professional development. The acquisition was completed yesterday and SiteLog Infra takes over operational responsibility for the business with immediate effect. Contact for media: Corporate Communications, T +41 58 474 74 77, communication@implenia.com Contact for Investors and Analysts:[...]

Ltd. Industriestrasse 24, 8305 Dietlikon, T +41 44 805 45 23, F +41 44 805 45 20 www.implenia.com P R E S S R E L E A S E Implenia secures record project in Norway – Contract signed to build the new E6 road around 80 kilometres northwest of Lillehammer | At approximately CHF 230 million largest single [...] January 2014 – The Norwegian Public Roads Administration signed a contract with Implenia and its joint venture partner K.A. Aurstad to build the new E6 road. The contract is worth around CHF 230 million (about NOK 1.595 billion, Implenia's share: around 60%), making it the most significant project a [...] teuscher@implenia.com mailto:roger.teuscher@implenia.com Implenia Ltd. Page 2 Around 80 kilometres northwest of Lillehammer, Implenia is building the new "E6", the largest single road infrastructure contract ever awarded by the Norwegian Public Roads Administration. Implenia is Switzerland's leading construction[...]

Management Ltd. Industriestrasse 24, 8305 Dietlikon, Phone +41 44 805 45 23, Telefax + 41 44 805 45 20 www.implenia.com P R E S S R E L E A S E Implenia wins major contract for extensive “E39” infrastructure project in Norway – Implementation of international strategy gains momentum | Success- ful realisation [...] major success for Implenia in Norway since the acquisition of Betonmast Anlegg in July 2011. The con- tract for the upgrade of a section of the four-lane E39 motorway on Norway’s west coast comprises – in addition to the road construction works – two 600-metre tunnels, four portals, a concrete viaduct, and [...] philipp.bircher@implenia.com mailto:philipp.bircher@implenia.com Implenia Management Ltd. Page 2 The contract for the upgrade of a section of the four-lane E39 motorway between Vagsbotn and Hylkje on Norway’s west coast comprises – in addition to the road construction works – two 600-metre tunnels, four portals[...]

Implenia Management Ltd. Industriestrasse 24, 8305 Dietlikon, Phone 044 805 45 23, Telefax 044 805 45 20 www.implenia.com P R E S S R E L E A S E Implenia wins another Gotthard contract – Total contractor order for fitting out shell construction of ancillary structures is awarded to EquiTec consortium [...] ancillary structures in “Lot E” of the Gotthard project. Following the excavation and interior construction work on the main Sedrun, Faido and Bodio tunnel sections, Implenia is now responsible for another important part of this momentous, 57 km long construction project. Lot E is part of the fitting out [...] and the railway technology buildings in Sedrun and Faido. It also includes production, fitting and commissioning of all the equipment. The core of Lot E is the ventilation technology for the subterranean railway technology buildings in which all the equipment is kept. It also includes power supplies and[...]