Sportradar : Supplemental Notice of Annual General Meeting 2023

Notice Concerning the Invitation to the Annual General Meeting of Shareholders of

Sportradar Group AG

Tuesday, May 16, 2023, 10:00 AM, Central European Summer Time

at the Company's offices at Feldlistrasse 2, 9000 St. Gallen, Switzerland

(physical meeting)

Notice to shareholders with regards to agenda items 4.1 and 9.1:

In addition to the persons proposed for re-election or election per agenda item 4.1 of the invitation to the Annual General Meeting of Shareholders published on March 24, 2023, the Board of Directors further proposes that William Kurtz be elected as new member of the Board of Directors for a term of office until the conclusion of the next Annual General Meeting in 2024.

Background Information:

The Board of Directors identified William Kurtz as a candidate for board membership on Sportradar Group AG's Board of Directors following the publishing date of the 2023 Annual General Meeting invitation. The Board of Directors believes that Mr. Kurtz's financial expertise, as well as his extensive business and leadership experience, including his prior service as the chief financial officer of public companies and his service on the audit committees of several companies, qualifies Mr. Kurtz as a financial expert and further qualifies him to serve as a director.

Mr. Kurtz is a senior financial and operations executive with over 30 years of experience operating as chief financial officer or chief operating officer at several private and public technology companies. Mr. Kurtz has most recently served as the Interim Chief Executive Officer at Ripcord, Inc., a records management and document intelligence company, from June 2021 to January 2022, and previously served as Chief Commercial & Financial Officer from January 2020 to June 2021. Prior to that, Mr. Kurtz served as Executive Vice President and Chief Commercial Officer of Bloom Energy Corporation, a manufacturer of on- site power generation platforms, from 2015 to January 2019, and then as a strategic advisor from January 2020 to January 2021. Prior to that, he served as Bloom's Chief Financial Officer and Chief Commercial Officer beginning in 2008. Mr. Kurtz currently sits on the board of directors of Aterian Inc. (formerly Mo- hawk Group), a Nasdaq listed company where he serves as lead independent director and as a member of the audit, compensation, and nominating and corporate governance committees, and on the board of Ripcord, where he serves on the audit committee. Also, since September 2016 he has served on the board of directors of Verint Systems Inc., a Nasdaq-listed analytics company, and he currently serves as chairman of its audit committee and as a member of the governance committee. Prior to 2008, Mr. Kurtz held the Chief Financial Officer or other senior finance roles for Novellus Systems (now Lam Research), En- genio Information Technologies, 3PARdata (now part of Hewlett Packard Enterprise), Scient Corporation, and AT&T Corporation. Mr. Kurtz previously served as the chairman of the audit committees of Violin Memory, PMC-Sierra (now part of Microsemi Corporation), and Redback Networks (now part of Ericsson).

Organizational Matters:

Shareholders who wish to vote their shares through the independent proxy and who are in favor of the election of William Kurtz are kindly asked to vote "FOR" on agenda item 9.1 ("New of modified motions by the Board of Directors") on the applicable proxy card or by voting via the electronic voting platform provided by the applicable bank, broker or other nominee.

April 20, 2023

Jeffery Yabuki

Chairman of the Board of Directors

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