Alternus Energy Group Plc: New share capital registered 

OSLO, NORWAY - 13 August 2021. Reference is made to Alternus Energy Group PLC's
(the "Company") announcement made on 8 June 2021 through the NOTC news system
regarding the Company's acquisition of a majority interest in Unisun Energy
Holding B.V. and the issuance of 50,000 new shares to the previous owners. 

The share capital increase pertaining to such share issue has now been completed
and registered. The Company's new share capital is EUR 262,322.76 divided into
26,232,276 shares, each with a nominal value of EUR 0.01, all shares carrying
one vote. 

About Alternus Energy Group Plc

Alternus Energy Group (OSE:ALT) is a fast-growing pan-European independent power
producer ("IPP"), headquartered in Ireland, with a focus on the midsized utility
scale solar PV market. Alternus owns and operates a diverse portfolio of utility
scale solar PV parks that connect directly to national power grids on long-term
government contracts ("FiT") and/or Power Purchase Agreements ("PPAs") with
investment grade off-takers. Having started in 2016 with two parks and 6 MWp
capacity, the current portfolio consists of 39 owned or contracted parks in
Germany, Italy, Netherlands, Romania and Poland in excess of 150 MWp capacity.
Alternus works closely with both local and international specialist development
partners that each provide a constant pipeline of new projects for acquisition
by Alternus. Alternus aims to own and operate over 3.5 GWs of solar parks by the
end of 2025 and to become one of the largest pan-European IPPs by the end of the
decade.