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London – 12 December 2023: Portus Data Centers (“Portus”), today formally announced the
appointment of Adriaan Oosthoek as Company Chairman. In his new role, Adriaan is responsible for
leading the future development and expansion of the rapidly growing data centre group which
currently comprises IPHH in Hamburg, EDH in Luxembourg, and SDC SpaceNet in Munich.

The new appointment was made by Arcus Infrastructure Partners LLP (“Arcus”), the independent
European infrastructure fund manager organisaton which launched Portus Data Centers last month
following its acquisition of the three data centres this year.

Having spent the past 20+ years in senior management roles in the data centre industry, Adriaan has
a deep understanding of colocation and wholesale data centre businesses as well as significant
knowledge of the European data centre markets. He was also Chairman of the Board of Governors for
eight years at the Data Centre Alliance industry association until 2019.

During 2016-2022 Adriaan was Senior Vice President of Operations , Construction and IT at Interxion
with responsibility for its 60 data centres located across 13 European countries and 15 cities. This
included overseeing the successful transition of the company’s operaƟons following its acquisition by
Digital Reality in 2020.

Previously, Adriaan’s high profile career has included positions as Executive Vice President of Data
Centre Services at Colt Technology Services, UK&I Managing Director at Telecity Group UK, and
Managing Director Netherlands at Redbus Interhouse.

Prior to this, he was a founder of the Dutch subsidiary of Teles, a European provider of IT services, and
held a number of senior roles with responsibility for managing several regional markets throughout
Europe. Adriaan has also held senior positions at Racal Datacom.

Adriaan Oosthoek, Chairman of Portus Data Centers, commented: “I am delighted to have been
appointed by Portus Data Centers to support its ongoing expansion. The number of use cases for
Regional and Edge data centers is rapidly increasing and as a result demand for regional colocation
capacity is growing significantly. I really look forward to utilising my experience and working with Arcus
to support the business and our customers on this growth trajectory.”

“We are thrilled to have a Chairman of Adriaan’s calibre and proven industry track-record on board,”
said John Shea, Partner at Arcus. “He is a great asset to Portus Data Centers and will be key to leading
our ongoing expansion both in DACH as well as other regions going forward.”

Adriaan has a bachelor’s degree in business information sciences. He studied at the Business School
for Economics in The Hague and holds marketing certificates NIMA A and NIMA B.