Disclosed herein is a phosphorus modified UZM-35 zeolite, methods of its preparation, and methods of its use in hydrocarbon conversion processes, e.g., as part of a catalyst component and/or as part of a catalyst composition. Catalyst components with phosphorus modified UZM-35, their methods of preparation, and their methods of use suitable for petroleum refining applications (e.g., hydrocarbon conversion processes such as fluid catalytic cracking and hydrocracking) are described herein. Also disclosed herein are catalyst compositions, which include phosphorus modified UZM-35 and catalyst components thereof along with at least one additional catalyst component. Methods of preparing and methods of using such catalyst compositions are also encompassed by the instant disclosure.