Catalyst Pharmaceuticals, Inc.

• Serve as a senior leader responsible for driving the strategy, execution, and continuous advancement of Catalyst Pharmaceuticals’ patient support and functions. • Oversee the Patient Services team, lead the development of innovative and compliant patient support programs, and direct payer and access strategies that ensure patients can start and stay on therapy. • Collaborate across the enterprise to elevate patient experience, optimize access pathways, and reinforce Catalyst’s mission to improve patient lives. • Lead and develop a team of patient service professionals and balance strategic planning with hands-on operational execution to enable commercial success and organizational scalability. • Responsible for leading key relationships with vendors in Specialty Distribution, Specialty Pharmacy, and HUB services. • Shape and execute a comprehensive patient strategy across the product lifecycle, from launch through loss of exclusivity. • Ensure operational excellence in patient support programs, leveraging analytics, market insights, and patient feedback to drive innovation and optimization.

• Lead all Medical Information activities across Catalyst’s therapeutic areas • Deliver accurate, timely, and balanced medical information to external stakeholders • Ensure unsolicited medical requests regarding Catalyst’s products are answered in a timely, compliant manner using approved medical documents and resources • Create and manage Medical Information content, including Standard Response Letters, Custom responses, and other Medical Information materials • Manage the Medical Information Call Center and vendor • Ensure that Adverse Event and Product Complaint identification and management are conducted in accordance with standard operating procedures (SOPs) • Design and conduct company-wide training on Medical Information processes and best practices • Lead the creation and ongoing maintenance of Medical Information SOPs and other process documents as needed • Oversee Medical Information Planning and contribute to Medical Strategies • Represent Medical Information in cross-functional meetings and collaborate with key internal stakeholders and alliance partners • Lead metric and KPI reporting efforts, analyzing trends, and identifying data gaps to guide content development • Enhance Medical Information systems by assessing digital and alternative technological solutions • Maintain scientific reference libraries, manage literature services, and perform comprehensive literature searches • Manage the Medical Information booth and materials at Scientific Congresses • Support other Scientific Communication initiatives as assigned

• The Senior Medical Director will report to the Senior Vice President of Medical Affairs • Lead the development and execution of Medical Affairs strategy and tactical plans for the assigned franchise • Broad responsibility for setting medical strategy and partnering cross-functionally to meet timelines and objectives established by the SVP of Medical Affairs and/or Chief Medical Officer • Collaborates closely with Commercial, Managed Markets, and Clinical Development teams across U.S. pipeline indications and brands • Identify, develop, and maintain collaborative relationships with current and future KOLs, scientific experts, cooperative study groups, and study sites • Work with key professionals at the national, regional, and local level, educating them with current, fair-balanced medical, scientific, and pharmacoeconomic information regarding Catalyst’s various therapies • Increase awareness of marketed product(s) so healthcare professionals can make informed therapeutic decisions • Internal disease/product training will be the responsibility of Senior medical affairs director utilizing internal resources as needed • Develop a cross-functionally aligned set of medical strategies for the US market needs, focused on commercialized as well as late-stage development indications/assets and aligned with the US Brand • Build a Medical Affairs plan with specific medical tactics, in partnership with other medical functions, aligned with medical strategies • Collaborate closely with HR to ensure organization's needs are met with appropriate number of medical science liaisons to cover the region • Primary point of medical contact with commercial, providing medical input into promotional pieces, supporting in-market launch activities, contributing strategic medical input for brand strategies, and supporting business insights • Work with patient advocacy and other disciplines within Catalyst to ensure the medical affairs plan's goals are met • Work with Investigator-Initiated Research and provide clarity and support to researchers • Maintain strong relationships with Key Opinion Leaders and support active clinical trial discussions • Lead and oversee the Medical Science Liaison (MSL) team, including recruitment, onboarding, performance management, and development • Provide ongoing field leadership and coaching to ensure effective execution of MSL responsibilities • Provide proactive clinical trial support by contributing to Medical Affairs-related initiatives and partnering with the clinical team to advance projects and facilitate timely trial enrollment • Provide appropriate feedback to upper management on medical affairs team's activities

Title: Sr. Medical Science Liaison-Oncology-East Location: Fully Remote • Boston, MA Job Description: The Senior Medical Science Liaison (MSL) Oncology will build and maintain relationships with key oncology healthcare providers and decision-makers in the thoracic oncology space. The candidate will deliver presentations and engage in strategic discussions on Catalyst’s products and disease states of interest, covering medical, clinical, health economics, and outcomes of research data. They will interact with a wide range of healthcare professionals, including physicians, researchers, and medical and pharmacy leaders. This includes engagement with hospital and formulary decision-makers, Medicaid stakeholders, advocacy leadership, consultant pharmacists, and advanced practice practitioners. This is a remote position and will cover the EAST region. Candidates should reside within the east region and have access to major airports on the east coast. Requirements Responsibilities included but not limited to: - Identify, develop, and maintain collaborative relationships with current and future key external experts (KOLs), scientific experts, cooperative study groups and study sites - Collaborate with key professionals at the national, regional, and local level, educating them with current, fair-balanced medical, scientific and pharmacoeconomic information regarding Catalyst’s various therapies and disease states of interest - Increase awareness of our marketed product(s) allowing the key healthcare professionals to make informed therapeutic decisions - Assist in the preparation and execution of regional and/or national advisory board meetings for marketed and pipeline assets, including delivering compelling presentations, assisting with slide preparation/review, recommending appropriate faculty, and facilitating interactive discussion groups - Offer resources for presenting medical information, enabling feedback from decision makers on the effectiveness of our product and its market comparison - Provide targeted internal training on selected topics in oncology and supportive care (e.g., study updates, guideline updates, congress news, latest scientific developments); implement and disseminate high-quality medical and scientific educational programs; deliver clinical and scientific presentations at sites/hospitals - Facilitate Catalyst-sponsored clinical trials on-site through scientific presentations and discussions to build interest and provide study design feedback; understand trial/referral networks, identify enrollment barriers, and participate in investigator meetings per approved strategy - Expedite the development and collection of quality data for pipeline assets and our marketed product - Manage oncology-related projects from start to finish as directed by the medical affairs director - Contribute clinical and value-based insights to Catalyst communications and materials, and assist in training new associates, including medical science liaisons and regional account managers - Review and coordinate oncology-based investigator-initiated research, quality improvement initiatives, and screening/clinical pathway updates in the oncology space as it relates to Catalyst products Education/Experience/Skills: - Advanced degree in medical/biosciences (M.D., Ph.D., Pharm.D., DPH, Ed.D.) - 5+ years in clinical research/academia, pharmacy, life sciences, biotech or pharma industry (including relevant fellowships) - 3+ years of MSL experience in Oncology and Rare Disease, with a focus on medical affairs - Established relationships in the thoracic oncology therapeutic area - Knowledge of the pharmaceutical corporate environment and appreciation for Commercial Operations, including Marketing and Sales strategies - Strong scientific and pharmaceutical knowledge, with excellent presentation and teaching skills - Excellent written and verbal communication skills; confident in discussing drug information and disease state management - Willingness to work cross-functionally and compliantly within the organization - Ability to lead and motivate team members without direct reporting relationships, including training and mentoring new MSLs - Proven ability to assess issues and think strategically Description of Work: - Frequent Computer laptop or tablet use, not usually at a workstation - Responsibilities may require a work schedule that may include working outside of ‘normal’ work hours, to meet the demands of the organizations. (Advisory Boards, Congress Attendance, and other weekend type business activities) - Ability and willingness to travel at least 75% of workdays for face-to-face meetings required in the assigned geography with potential support needed throughout the US Catalyst is committed to providing competitive wages and comprehensive benefits including health, dental, and vision insurance, generous paid time off, a retirement savings plan with Company Match, and more. The base salary for this position will range from $208,000 to $225,000. Candidate experience, professional licensing, and geographic location will be taken into consideration. EEO Statement Catalyst Pharmaceuticals is an Equal Opportunity Employer committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; marital, domestic partnership or civil union status; sex, gender, gender identity or expression; affectional or sexual orientation; disability; veteran or military status or liability for military status. Recruitment & Staffing Agencies: Catalyst Pharmaceuticals does not accept unsolicited agency resumes. Agency resumes will only be accepted if the agency is formally engaged by Catalyst Human Resources.

• Represent Catalyst Pharmaceuticals products to medical professionals who specialize in the treatment of Lambert-Eaton Myasthenic Syndrome • Maintain effective communication and relationships with key external and internal customers • Clearly understand and implement the marketing plan • Accurately articulate the value proposition of the brand • Utilize on-label and marketing materials approved by Regulatory/Compliance in order to attain sales/patient objectives • Analyze local and regional business/managed markets trends in order to build both long and short terms goals that lead to a successful business plan • Meet regularly with targeted HCPs and staff within assigned geography to conduct disease awareness and product promotion • Utilize a consultative, science-driven approach and provide the HCP with the information that he/she needs to make the best decision for his/her patient • Drive patient identification initiatives • Manage a territory budget in compliance with all Catalyst Pharmaceutical compliance policies • Utilize CRM system to accurately document account profiles in a timely manner • Participate in local (or national) patient advocacy events to generate awareness about Catalyst support for patient community

• Develop and implement a comprehensive advocacy strategy that aligns with the organization's mission and objectives • Identify emerging trends, challenges, and opportunities in the advocacy space to adapt and refine strategies • Build and maintain relationships with key stakeholders, including patient advocacy groups and community leaders • Develop strategies to effectively partner with and support patient organizations • Liaise between Catalyst, patient advocacy organizations, and patient advocates • Share company activities and interests with patient advocacy groups and key advocacy leaders as appropriate • Lead the development and execution of advocacy campaigns, initiatives, and programs to support patients, communities, or target populations • Oversee the creation of resources and tools to empower patients and amplify advocacy efforts • Coordinate and assist in the development of internal and external advocacy programs • Monitor and evaluate the impact of advocacy programs to ensure effectiveness and continuous improvement • Provide strategic guidance and support to team members to ensure the successful execution of advocacy initiatives • Collaborate with internal teams (e.g., marketing, digital marketing, sales, and medical affairs) to align advocacy efforts with broader organizational goals • Serve as the voice of the patient both internally and externally by representing the organization at conferences, panels, and media forums; leading partner and vendor engagements; and ensuring patient perspectives are integrated into strategic decision-making • Develop messaging and communication strategies to amplify advocacy goals and organizational impact • Represent the company at key patient advocacy group events and community meetings • Participate in public speaking opportunities including conferences, workshops, panels, videos, and podcasts • Provide oversight of patient advocacy grant and sponsorship programs, ensuring alignment with organizational strategy, compliance standards, and community impact goals • Direct annual and multi-year budget planning for patient advocacy initiatives, optimizing resources to maximize reach and sustainability • Lead financial forecasting and resource allocation in partnership with cross-functional leaders, ensuring fiscal accountability and strategic investment in advocacy priorities • Additional responsibilities as assigned

• The Artwork & Packaging Manager is responsible for supporting and managing the established artwork, labeling and packaging processes at Catalyst Pharmaceuticals for both commercial and clinical products. • This role serves as a key technical and operational owner for packaging-related changes, ensuring compliance with global pharmaceutical regulatory requirements while enabling efficient execution across packaging operations. • Manage commercial and clinical artwork/labeling changes from initiation through implementation, including coordination of cross-functional reviews and approvals. • Ensure all artwork and labeling content complies with applicable pharmaceutical regulatory requirements for relevant markets (e.g., FDA, EMA, and other global authorities as applicable).