Tulsa: 1 (888) SEALTUL OKC: 1 (888) OKCSEAL Houston: (833) TX5-SEAL Mon - Fri: 8:00AM - 5:00PM COVID-19 March 24, 2020 ANNOUNCEMENTS Dear Valued Customers and Suppliers, As the COVID-19 response continues to be dynamic, Seal Company Enterprises, Inc. (Sealco) continues to look at the potential impacts to our operations and supply chains. The most potential impacts are being driven by various states and localities implementing shelter-in-place or shutdown orders. Shelter-in-place or shutdown orders have an exclusion for businesses deemed as vital to the operation or support of our nation’s “Critical Infrastructure” sectors. Information about Critical Infrastructure guidelines can be found at the following websites: https://www.cisa.gov/critical-infrastructure-sectors https://www.cisa.gov/publication/guidance-essential-critical-infrastructure-workforce Sealco is an essential supplier to several Critical Infrastructure sectors including: Chemical Defense Industrial Base Energy Food and Agriculture Nuclear Reactors, Materials, and Waste Transportation Water and Wastewater Based on this determination, all Sealco locations will remain open to serve the vital areas of our national economy and infrastructure. We have taken all recommended preventative measures to ensure the safety of our workforce, enabling us to provide an uninterrupted source of supply to users of our products. Most of our suppliers have determined that they fall within a critical infrastructure designation and will remain open. Sealco will proactively monitor our suppliers’ status and we will notify customers of potential impacts to supply. If you have any questions related to this notice, please reach out to your normal Sealco point of contact for more information. Regards, Your Sealco Team Seal_Company_COVID-19_Critical_Infrastructure_DeterminationDownload Facebook Twitter LinkedIn Engineered Solutions to Sealing Problems Our goal is to continue expanding our nationwide and global coverage, providing our current customers and future customers with superior service solutions, technical solutions and quality products at competitive prices. © Copyright 2021 by Seal Company Enterprises, Inc. All Rights Reserved.

Tulsa: 1 (888) SEALTUL OKC: 1 (888) OKCSEAL Houston: (833) TX5-SEAL Mon - Fri: 8:00AM - 5:00PM Quality Policy Seal Company Enterprises, Inc. meets or exceeds customer and company requirements, and strives for continual improvement of the QMS. Download Certificate Engineered Solutions to Sealing Problems Our goal is to continue expanding our nationwide and global coverage, providing our current customers and future customers with superior service solutions, technical solutions and quality products at competitive prices. © Copyright 2021 by Seal Company Enterprises, Inc. All Rights Reserved.