| 06/25/2020 | WLK Roadshow June 2020 | |
| 06/24/2020 | BMO 2020 Chemicals & Packaging Virtual Conference | |
| 05/27/2020 | Keybanc Industrials & Basic Materials Virtual Conference | |
| 05/27/2020 | Bernstein 36th Annual Strategic Decisions Conference | |
| 05/13/2020 | Goldman Sachs Industrials & Materials Conference 2020 | |
| 05/06/2020 | 2020 Wells Fargo Virtual Industrials Conference | |
| 05/05/2020 | 2020 Virtual Fermium Research Chemicals Conference | |
| 05/04/2020 | First Quarter 2020 Earnings Presentation | |
| 02/04/2019 | Principles of Corporate Governance 2018.05.18 | |
| 09/14/2016 | KeyBanc Basic Materials and Packaging Conference | |
| 09/07/2016 | UBS Global Chemical & Paper Packaging Conference | |
| 08/10/2016 | Jefferies 2016 Industrials Conference | |
| 07/05/2016 | Credit Suisse 2016 Boston Basic Materials Conference | |
| 06/10/2016 | Gemstone - Investor Presentation FINAL.pdf | |
| 06/07/2016 | Deutsche Bank 7th Annual Global Industrials and Materials Summit | |
| 06/07/2016 | Cowen and Company Chemical Summit | |
| 05/17/2016 | Goldman Sachs Basic Materials Conference 2016 | |
| 03/02/2016 | Bank of America 2016 Global Agriculture & Chemicals Conference | |
| 02/24/2016 | Alembic Global Advisors 6th Annual Global Chemical Conference | |
| 12/01/2015 | 2015 Citi Basic Materials Conference | |
| 11/10/2015 | Baird 2015 Industrial Conference | |
| 11/09/2015 | Morgan Stanley Global Chemical Conference | |
| 10/02/2015 | Atlantic Equities European Investor Non-deal Roadshow | |
| 09/16/2015 | Credit Suisse 28th Annual Basic Materials Conference | |
| 09/10/2015 | RBC Capital Markets 2015 Global Industrials Conference | |
| 08/12/2015 | Jefferies 11th Annual Industrials Conference | |
| 06/24/2015 | 2015 Credit Suisse Basic Materials Conference | |
| 06/03/2015 | Deutsche Bank 6th Annual Global Industrials and Basics Materials Conference | |
| 05/19/2015 | Goldman Sachs Basic Materials Conference | |
| 05/05/2015 | Wells Fargo 2015 Industrial and Construction Conference | |
| 05/05/2015 | Barclays Select 2015 Chemical ROC Stars Conference | |
| 04/13/2015 | Mgt_Changes_PR | |
| 03/26/2015 | Goldman Sachs Houston Chemical Intensity Days | |
| 03/04/2015 | JP Morgan Conference Presentation | |
| 02/26/2015 | Alembic Global Advisors Conference | |
| 02/12/2015 | Investor Presentation | |
| 12/08/2014 | Wells Fargo Energy Symposium | |
| 12/08/2014 | Bank of America Conference | |
| 12/02/2014 | Citi 2014 Basic Materials Conference | |
| 11/11/2014 | Cowen & Company Global Metals, Mining and Materials Conference | |
| 11/11/2014 | Morgan Stanley Global Chemicals Agriculture Conference | |
| 11/04/2014 | WLKP Q3 Earnings Release | |
| 09/16/2014 | Credit Suisse Basic Materials Conference | |
| 09/09/2014 | KeyBanc_Conference_sept | |
| 05/26/2014 | wlk vin slides FINAL | |
| 12/10/2013 | Bank of America 2013 US Basic Materials Presentation | |
| 11/07/2013 | Transcript Q3 2013 | |
| 09/26/2013 | WLK Credit Suisse Conf 2013 09 17r (3) | |
| 09/17/2013 | Credit Suisse Chemical and AG Science Conference | |
| 09/10/2013 | WLK KeyBanc Basic Mat Pack Conf 9-2013 | |
| 05/21/2013 | GS Basic Mats Conf 2013 05 21 final.pdf | |
| 05/20/2013 | Principles | |
| 05/09/2013 | Wells - Investor Presntn_Handout _2Q 2013 MASTER.pdf | |
| 04/16/2013 | Alembic | |
| 04/15/2013 | 2012 10K | |
| 12/06/2012 | Release6cc8db0f-ddd6-488d-9f26-9f52dc214940_1765159.pdf | |
| 12/06/2012 | 12.6.12 Presser | |
| 09/11/2012 | Key Banc Conf 091212 | |
| 09/05/2012 | BOAML 090612 | |
| 09/04/2012 | Code of Conduct | |
| 08/07/2012 | Jefferies Conf 120802.pdf | |
| 06/19/2012 | B of A NGL Mini-Conf 6.19.12 | |
| 06/14/2012 | DB Conf 6.14.12 | |
| 06/07/2012 | BOA Smid Cap conf 2012_6_4 | |
| 05/23/2012 | Goldman Sachs_Basic Matrl_5_21_2012 | |
| 05/07/2012 | Westlake Chemical Corporation | |
| 05/24/2011 | GS Basic Materials vFinal | |
| 05/16/2011 | Corporate Governance - 021811 | |
| 04/11/2011 | Proxy | |
| 03/17/2011 | chem intensity | |
| 02/25/2011 | JPM HY Conf vFinal | |
| 12/14/2010 | BofA ML Industrials Final Version | |
| 06/02/2010 | Principles of Corporate Governance | |
| 06/02/2010 | Corporate Risk Document | |
| 06/02/2010 | Nom and Gov Comittee | |
| 04/02/2009 | Presentation_MM | |
