An affiliate of the fund known as EQT VIII (“EQT”) is pleased to announce the completion of an underwritten public offering (the “Offering”) of 23 million shares of common stock of Waystar Holding Corp. (NASDAQ: WAY) (the “Company”) (“Shares”) for aggregate gross proceeds of USD920 million. As part of the Offering, EQT sold c. 9.8 million Shares (and now holds c. 38.8 million Shares) and received gross proceeds of c. USD393 million. The remaining Shares sold in the Offering were sold by other stockholders of the Company. J.P. Morgan, Goldman Sachs & Co. LLC and Barclays acted as joint book-running managers of the Offering, which was completed on February 24, 2025, and as representatives of the several underwriters. The Company did not sell any Shares in the Offering and did not receive any proceeds from the sale of the Shares sold by EQT and the other stockholders.

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EQT Press Office, press@eqtpartners.com

About EQT

EQT is a purpose-driven global investment organization with EUR 269 billion in total assets under management (EUR 136 billion in fee-generating assets under management), within two business segments – Private Capital and Real Assets. EQT owns portfolio companies and assets in Europe, Asia-Pacific and the Americas and supports them in achieving sustainable growth, operational excellence and market leadership.

More info: www.eqtgroup.com                                                                                                                                                        Follow EQT on LinkedIn, X, YouTube and Instagram

About Waystar

Waystar’s mission-critical software is purpose-built to simplify healthcare payments so providers can prioritize patient care and optimize their financial performance. Waystar serves approximately 30,000 clients, representing over 1 million distinct providers, including 16 of 20 institutions on the U.S. News Best Hospitals Honor Roll. Waystar’s enterprise-grade platform annually processes over 6 billion healthcare payment transactions, including over $1.8 trillion in annual gross claims and spanning approximately 50% of U.S. patients. Waystar strives to transform healthcare payments so providers can focus on what matters most: their patients and communities. Discover the way forward at waystar.com.