X0202 SCHEDULE 13G/A 0000929638-23-000538 0001590729 XXXXXXXX LIVE 1 Common Stock 03/31/2026 0001320461 Cooper-Standard Holdings Inc. 21676P103 40300 Traditions Drive Northville MI 48168 Rule 13d-1(b) Millstreet Capital Management LLC DE 0 0 0 0 0 N 0 IA Connolly Brian D X1 0 0 0 0 0 N 0 IN HC Kelleher Craig X1 0 0 0 0 0 N 0 IN HC Cooper-Standard Holdings Inc. 40300 Traditions Drive, Northville, Michigan, 48168 Millstreet Capital Management LLC Brian D. Connolly Craig M. Kelleher Millstreet Capital Management LLC Brian D. Connolly Craig M. Kelleher c/o Millstreet Capital Management LLC 545 Boylston Street, 8th Floor Boston, MA 02116 Millstreet Capital Management LLC - Delaware Brian D. Connolly - United States Craig M. Kelleher - United States N IA HC 0.00 shares 0.00 0.00 shares 0.00 shares 0.00 shares 0.00 shares N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Millstreet Capital Management LLC /s/ Brian D. Connolly 05/15/2026 Connolly Brian D /s/ Brian D. Connolly 05/15/2026 Kelleher Craig /s/ Craig M. Kelleher 05/15/2026