X0708 D/A LIVE 0001396803 Boston Partners Portfolio Trust ONE BEACON STREET 30TH FLOOR BOSTON MA MASSACHUSETTS 02108 617-832-8200 DELAWARE The WPG Portfolio Trust Robeco Portfolio Trust Business Trust true - BNY Mellon Trust of Delaware, NA 301 Bellevue Parkway Wilmington DE DELAWARE 19809 Executive Officer The Delaware Trustee - Boston Partners Global Investors, Inc. One Beacon Street 30th Floor Boston MA MASSACHUSETTS 02108 Executive Officer Promoter Managing Member of the General Partner doing business as Boston Partners and Investment Manager Joseph Feeney One Beacon Street 30th Floor Boston MA MASSACHUSETTS 02108 Executive Officer Mark Stephen Kuzminskas One Beacon Street 30th Floor Boston MA MASSACHUSETTS 02108 Executive Officer Greg A. Varner One Beacon Street 30th Floor Boston MA MASSACHUSETTS 02108 Executive Officer Pooled Investment Fund Other Investment Fund false Decline to Disclose 06b 3C 3C.1 true 0000902664-25-004126 2003-08-15 true true false 0 Boston Partners Securities, L.L.C. 000002998 None None One Beacon Street 30th Floor Boston MA MASSACHUSETTS 02108 All States false Indefinite 2197021109 Indefinite false 151 1450347 true 0 true 0 The fund charges a management fee that is described in the fund's offering documents. false Boston Partners Portfolio Trust /s/ William G. Butterly, III William G. Butterly, III General Counsel 2026-09-18