Transaction Details

Footnotes

The price reported in Column 4 is a weighted average price. These shares of common stock, par value $0.01 per share ("Common Stock") of Waystar Holding Corp. (the "Issuer") were sold in multiple transactions ranging from $39.15 to $39.16, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price in the range set forth in this footnote. | These transactions occurred pursuant to broker sales conducted in accordance with Rule 144 under the Securities Act of 1933, as amended. | The price reported in Column 4 is a weighted average price. These shares of Common Stock of Issuer were sold in multiple transactions ranging from $38.37 to $38.6150, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price in the range set forth in this footnote. | The price reported in Column 4 is a weighted average price. These shares of Common Stock of Issuer were sold in multiple transactions ranging from $38.7500 to $39.4800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price in the range set forth in this footnote. | These options are currently vested.