NOTICE OF RULE DEVELOPMENT BY LAKE MATTIE PRESERVE COMMUNITY DEVELOPMENT DISTRICT In accordance with Chapters 120 and 190, Florida Statutes, and in connection with its ownership and operation of certain improvements, including recreational amenity facilities and improvements (hereinafter collectively referred to as the "Amenities"), Lake Mattie Preserve Community Development District ("District") hereby gives notice of its intention to: (1) adopt its proposed Amended and Restated Rules of Procedure, Rule Chapter 1—Rules of Procedure; (2) establish rules, rates, fees, and charges imposed on residents and non-residents utilizing the District's Amenities (collectively, the "Amenity Policies"), Rule Chapter 2—Amenity Policies & Rates; and (3) adopt suspension and termination of access rules establishing consequences for those who violate the District's Amenity Policies (the "Disciplinary Rule"), Rule Chapter 4—Disciplinary Rule. The Amended and Restated Rules of Procedure will address such topics as the Board of Supervisors, officers and voting, district offices, public information and inspection of records, policies, public meetings, hearings and workshops, rulemaking proceedings and competitive purchase including procedure under the Consultants Competitive Negotiation Act, procedure regarding auditor selection, purchase of insurance, pre-qualification, construction contracts, goods, supplies and materials, maintenance services, contractual services and protests with respect to proceedings, as well as any other area of the general operation of the District. The purpose and effect of the Amended and Restated Rules of Procedure is to provide for efficient and effective District operations and to ensure compliance with recent changes to Florida law. The legal authority for the adoption of the proposed Amended and Restated Rules of Procedure includes sections 190.011(5), 190.011(15) and 190.035, Florida Statutes. The specific laws implemented in the Amended and Restated Rules of Procedure include, but are not limited to, sections 112.08, 112.3143, 112.31446, 112.3145, 119.07, 119.0701, 120.54, 189.053, 189.069(2)(a)(15), 190.006, 190.007, 190.008, 190.011(3), 190.011(5), 190.011(15), 190.033, 190.035, 218.33, 218.391, 255.05, 255.0518, 255.0525, 255.0992, 255.20, 286.0105, 286.011, 286.0113, 286.0114, 287.017, 287.055, and 287.084, Florida Statutes. The purpose and effect of the Amenity Policies and Disciplinary Rule is to provide for efficient and effective operations of the District's Amenities and other properties including by setting rules, rates and fees relevant to implementation of the provisions of Section 190.035, Florida Statutes. Specific legal authority for the District to adopt the proposed Amenity Policies and Disciplinary Rule include Chapters 120 and 190, Florida Statutes, as amended, and specific laws implemented include, but are not limited to, Sections 190.011, 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 Amended and Restated Rules of Procedure, Amenity Policies and Disciplinary Rule and any material proposed to be incorporated by reference may be obtained by contacting Jill Burns, District Manager at Governmental Management Services Central Florida, LLC, 219 E. Livingston St., Orlando, Florida 32801 (jburns@gmscfl.com); Phone: (407) 841-5524. District Manager Lake Mattie Preserve Community Development District June 30 2026 LSAR0523059