Fourth Quarter and Full Year 2020 Earnings Presentation February 23, 2021 Commitment to Social Responsibility and Advancing Sustainability Westlake's commitment to social responsibility and advancing sustainability is formed by the company's longstanding core values: Health, Safety & Environmental - The vigilant stewardship of the environment and sustainability are of utmost importance and at the forefront of everything we do. Our People - Support, develop and inspire our people to achieve their personal be ...