X0202 SCHEDULE 13G/A 0001639414 XXXXXXXX LIVE 2 Common Stock 05/20/2026 0001810019 Rackspace Technology, Inc. 750102105 19122 US Highway 281N, Suite 128 San Antonio TX 78258 Rule 13d-1(d) ABRY Partners, LLC b DE 0.00 0.00 0.00 0.00 0.00 N 0 OO ABRY Partners II, LLC b DE 0.00 0.00 0.00 0.00 0.00 N 0 OO ACE Investment Holdings, LLC b DE 0.00 0.00 0.00 0.00 0.00 N 0 OO Royce Yudkoff b X1 0.00 0.00 0.00 0.00 0.00 N 0 IN Peggy Koenig b X1 0.00 0.00 0.00 0.00 0.00 N 0 IN Jay Grossman b X1 0.00 0.00 0.00 0.00 0.00 N 0 IN Rackspace Technology, Inc. 19122 US Highway 281N, Suite 128 San Antonio, TX, 78258 This statement is filed by the entities and persons listed below, all of whom together are referred to herein as the "Reporting Persons": (i) ABRY Partners, LLC ("ABRY I") (ii) ABRY Partners II, LLC ("ABRY II") (iii) ACE Investment Holdings, LLC ("ACE") (iv) Royce Yudkoff (v) Peggy Koenig (vi) Jay Grossman The principal business address of each of the Reporting Persons is as follows: C/O ABRY Partners, LLC 888 Boylston Street, Suite 1600 Boston, MA 02199 See responses to Item 4 on each cover page. Y See responses to Item 9 on each cover page. See responses to Item 11 on each cover page. See responses to Item 5 on each cover page. See responses to Item 6 on each cover page. See responses to Item 7 on each cover page. See responses to Item 8 on each cover page. N Y Y Y Y Y Y Exhibit A Joint Filing Agreement, dated as of May 22, 2026. Exhibit B Power of Attorney, dated as of May 22, 2026. ABRY Partners, LLC /s/ Kostas Sofronas 05/22/2026 ABRY Partners II, LLC /s/ Kostas Sofronas 05/22/2026 ACE Investment Holdings, LLC /s/ Kostas Sofronas 05/22/2026 Royce Yudkoff /s/ Kostas Sofronas 05/22/2026 Peggy Koenig /s/ Kostas Sofronas 05/22/2026 Jay Grossman /s/ Kostas Sofronas 05/22/2026