NOTICE OF RULE DEVELOPMENT BY THE WESTSIDE HAINES CITY COMMUNITY DEVELOPMENT DISTRICT In accordance with Chapters 120 and 190, Florida Statutes, and in connection with its ownership and/or operation of certain improvements, including recreational amenity facilities and improvements within the Wynnstone neighborhood (hereinafter referred to as the "Amenities"), the Westside Haines City Community Development District ("District") hereby gives notice of its intent to adopt Amenity Policies and Rates for the Wynnstone neighborhood (the "Amenity Policies"), Rule Chapter 2—Amenity Policies & Rates, and establish rates, fees, and charges imposed on residents and non-residents utilizing the Wynnstone Amenities (collectively, the "Amenity Rates"), Rule Chapter 2—Amenity Policies & Rates. The purpose and effect of the Amenity Policies and Amenity Rates is to provide for efficient and effective operation of the District's Amenities and other properties by setting rules, rates and fees relevant to implementation of the provisions of Section 190.035, Florida Statutes. General legal authority for the District to adopt the proposed Amenity Policies and Amenity Rates include Chapters 120 and 190, Florida Statutes, as amended, and specific legal authority includes Sections 190.035(2), 190.011(5), 190.012(3), 190.035, 190.041, 120.54, 120.69 and 120.81, Florida Statutes, as amended. A copy of the proposed Amenity Policies and Amenity Rates, and any material proposed to be incorporated by reference, may be obtained by contacting the District Manager, Jill Burns in writing at c/o Governmental Management Services – Central Florida, LLC, 219 E. Livingston Street, Orlando, Florida 32801, by phone during regular business hours at (407) 841-5524, or by e-mail at jburns@gmscfl.com. Jill Burns, District Manager Westside Haines City Community Development District December 24 2025 LSAR0423392