Westlake Chemical Partners Announce Second Quarter 2023 Earnings Conference Call

Westlake Chemical Partners (NYSE: WLKP) will release its second quarter 2023 earnings prior to the market opening on Thursday, August 3, 2023. The company will host a conference call at 1:00 p.m. Eastern Time (12:00 p.m. Central Time) on the same day to discuss the earnings release. To access the conference by phone, it is necessary to pre-register at https://register.vevent.com/register/BIb635b9f0d11a495fb699666f55842f0b . Once registered, you will receive a phone number and unique PIN number. When you dial in, you will input the PIN number to be placed into the call. The conference call and replay will be available via webcast at https://edge.media-server.com/mmc/p/8hay9rav and the earnings release can be obtained via the company's Web page at, https://investors.wlkpartners.com/corporate-profile/default.aspx . About Westlake Chemical Partners: Westlake Chemical Partners is a limited partnership formed by Westlake Corporation to operate, acquire and develop ethylene production

Westlake Chemical Partners Provides Tax Reporting Information

Westlake Chemical Partners (NYSE: WLKP) today provided the following information regarding 2022 investor tax reporting: As previously noted in the 2022 Investor Tax Reporting Package for our unitholders’ investment in Westlake Chemical Partners, LP, the Partnership will report items of international tax relevance to our partners on Schedule K-3 for tax year 2022. As we disclosed in our quarterly distribution press releases, all of our income is effectively connected with a United States trade or business. However, a limited number of unitholders (primarily foreign unitholders and unitholders having US international reporting obligations) may need the detailed information disclosed on Schedule K-3 for their specific reporting requirements. Our Schedule K-3 for tax year 2022 is now available online at www.taxpackagesupport.com/WLKP . This information may be necessary in the completion of our unitholders’ tax return. As such we encourage our unitholders to review the information

Westlake Corporation Declares Quarterly Dividend

$0.357 per share dividend declared payable on June 8, 2023 The Board of Directors of Westlake Corporation (NYSE:WLK) declared today a regular dividend distribution of $0.357 per share for the first quarter of 2023. This dividend will be payable on June 8, 2023, to stockholders of record on May 23, 2023. This is the 75 th successive quarterly dividend that Westlake has declared since completing its initial public offering in August 2004. About Westlake Westlake is a global manufacturer and supplier of materials and innovative products that enhance life every day. Headquartered in Houston, with operations in Asia, Europe and North America, we provide the building blocks for vital solutions — from housing and construction, to packaging and healthcare, to automotive and consumer. For more information, visit the Company's web site at www.westlake.com . View source version on businesswire.com: https://www.businesswire.com/news/home/20230511005859/en/ Media Inquiries:
Westlake Corp.

Ms. Sabat has been a director since May 2023. Ms. Sabat is the Managing Director – Investments for JADEC, LLC, an affiliate of our principal stockholder, a position she has held since June 2017. Ms. Sabat is also a Manager of Tanglewood Property Management Company, an affiliate of our principal stockholder, a position she has held since September 2017. Ms. Sabat began her career with The Goldman Sachs Group, Inc. in July 2001, eventually serving as Vice President for Asset Management and ending her tenure as Managing Director in May 2017. She is the daughter of Albert Y. Chao, the sister of John T. Chao, the niece of James Y. Chao, and the cousin of David T. Chao and Catherine T. Chao. Ms. Sabat holds a bachelor’s degree in psychology from Princeton University.

Carolyn C. Sabat

Ms. Chao has been a director since May 2023. Ms. Chao has been the director and co-founder of Tuyo Development since 2019 and a founding partner of Grains of Salt since 2016. From 2007 to 2013, Ms. Chao was a project architect with Greg Yang Design and, from 2008 to 2013, she was an adjunct professor of the School of Constructed Environments at Parsons The New School of Design. In addition, since 1997, Ms. Chao has served in various roles at Tanglewood Property Management Company, an affiliate of our principal stockholder, and was appointed a Manager of Tanglewood Property Management Company in September 2017. She is the daughter of James Y. Chao, the sister of David T. Chao, the niece of Albert Y. Chao, and the cousin of John T. Chao and Carolyn C. Sabat. Ms. Chao holds a bachelor’s degree in product design from Stanford University, a Masters of Architecture from the Rhode Island School of Design, and an MBA and a Masters in Urban Planning from Columbia University. Ms. Chao is a registered architect in New York and Oregon, a member of the American Institute of Architects and a member of the American Planning Association.

Catherine T. Chao

Westlake Corporation Reports First Quarter 2023 Results

Net income of $394 million increased 70% from fourth quarter 2022 Westlake Corporation (NYSE: WLK) (the "Company" or "Westlake") today announced first quarter 2023 results. SUMMARY FINANCIAL HIGHLIGHTS ($ in millions except per share data)     Three Months Ended March 31, 2023   Three Months Ended December 31, 2022   Three Months Ended March 31, 2022                     Westlake Corporation                   Net sales   $ 3,356     $ 3,299     $ 4,056   Income from operations   $ 536     $ 327     $ 1,032   Operating income margin     16%       10%       25%   Net income attributable to Westlake Corporation   $ 394    

Westlake Chemical Partners LP Announces First Quarter 2023 Results

Declared quarterly distribution of $0.4714 per unit; 35 th consecutive quarterly distribution Westlake Chemical Partners LP (NYSE: WLKP) (the "Partnership") today reported net income attributable to the Partnership in the first quarter of 2023 of $14.9 million, or $0.42 per limited partner unit, a decrease of $1.3 million compared to first quarter 2022 net income of $16.2 million. The Partnership's net income in the first quarter of 2023 was the result of strong production volumes with the decrease in net income compared to the first quarter of 2022 attributable to higher interest expense. Cash flows from operating activities in the first quarter of 2023 were $144.9 million, an increase of $40.1 million compared to first quarter 2022 cash flows from operating activities of $104.8 million. The increase was primarily due to favorable working capital changes. For the three months ended March 31, 2023, MLP distributable cash flow was $17.6 million, a decrease of $1.7 million compared to