Exhibit 99.1 Rackspace Technology Reports First Quarter 2024 Results • Revenue of $691 million in the First Quarter, down 9% Year-over-Year • Private Cloud Revenue was $268 million, down 15% Year-over-Year • Public Cloud Revenue was $422 million, down 5% Year-over-Year • First Quarter 2024 Cash Flow Used in Operating Activities was $(90) million which includes certain one-time fees related to the debt refinancing; Cash Flow From Operating Activities was $287 million on a Trailing-Twelve-Month Basis SAN ANTO ...