This research aims to discover students’ needs in English material for analytical exposition text on writing skill as well as develop English material for analytical exposition text on writing skill of the 11th-grade students of the Science program at SMA Negeri 1 Marisa. The study is conducted at SMA Negeri 1 Marisa, focusing on eleventh-grade students in the Science Program. The participants in the study include 34 students and an English teacher from SMA Negeri 1 Marisa. Data is collected through questionnaires, interviews, and document analysis. Data analysis involves several steps. First, the collected data is organized and prepared for analysis. Then, a thorough reading of the data is conducted to understand the students' needs. Coding is applied to categorize and classify the data based on indicators from Hutchinson and Waters (1987) and Nunan (2001) theories. Detailed descriptions and narrative approaches are used to present and explore the data, followed by interpretation to derive meaningful insights. This R&D developed a learning material for analytical exposition text writing using the ADDIE model. It involved analyzing the English textbook, syllabus, and student needs. The material was designed based on students' expectations, with illustrative pictures and skill explanations. Validation by experts, including university lecturers, high school headmasters, and students, confirmed its suitability. The implementation in the classroom received positive feedback, and evaluation showed a significant impact on students and teachers. Overall, the study emphasized the importance of addressing students' writing needs through analytical exposition text material. The topics aligned with core and basic competencies for senior high school English. In conclusion, this study highlights the effectiveness of the ADDIE model in creating suitable learning material for analytical exposition text writing Keywords: analytical exposition, writing skills, R&D, ADDIE