Curtis Anastasio Director since 2023 Member of the Audit Committee Age: 69 Mr. Anastasio retired from executive office in 2013, having spent over 35 years in various leadership positions in the upstream, midstream and downstream sectors of the oil and gas industry. At various stages over the course of his career, Mr. Anastasio has been responsible for supply, trading, transportation, marketing, business development and legal & regulatory affairs. He began his career in the industry in 1988 with Ultramar plc ( Ultramar ), an integrated oil and gas company with assets principally in the United States, Canada, Latin America, the United Kingdom and Asia Pacific. In a series of acquisitions, Ultramar s midstream assets were ultimately acquired by NuStar Energy L.P. ( NuStar ), a publicly traded energy master limited partnership based in San Antonio, Texas. Mr. Anastasio was appointed President and Chief Executive Officer of NuStar in April 2001, leading the company s initial public offering. He served in that role until his retirement on December 31, 2013. Under Mr. Anastasio s leadership, NuStar grew from a small business to a Fortune 500 company. NuStar received many awards and recognition during his tenure, including being named by Fortune magazine as one of the 100 Best Companies to Work for in America every year since 2007 and Forbes Magazine s 100 Most Trustworthy Companies. In 2013, Mr. Anastasio was elected to the San Antonio Business Hall of Fame. Mr. Anastasio presently serves on the boards of two publicly traded companies, both of which are listed on the New York Stock Exchange. From May 2014 until July 2023, he served as the Executive Chairman of GasLog Partners L.P., an international owner, operator and manager of liquefied natural gas carriers, providing support to international energy companies as part of their LNG logistics chain. As Executive Chairman, he led the company s initial public offering in May 2014. Mr. Anastasio also serves on the Board and as Chairman of the Audit Committee of Par Pacific Holdings, Inc., an energy company with primary interests in refining, retail and logistics, including a refining, marketing and logistics business in Hawaii, refining and logistics businesses in Washington, Montana and Wyoming and a retail distribution network in the Pacific Northwest. The company also owns an equity interest in a joint venture focused on natural gas production. Finally, Mr. Anastasio served on the Board and as Chairman of the Audit Committee of The Chemours Company for ten years from 2015 through 2025, a multinational specialty chemicals company providing titanium technologies, fluoroproducts and chemical solutions. Mr. Anastasio also served as a director of the Federal Reserve Bank of Dallas for six years from 2014 through 2019. In addition to participating in various volunteer activities, Mr. Anastasio has served as Chairman of the Board of Trustees of the United Way of San Antonio and Bexar County, Chairman of the Alamo Area Council of the Boy Scouts of America, and Chairman of the National Association of Publicly Traded Partnerships. Mr. Anastasio received a Juris Doctorate degree from Harvard Law School in 1981 and a Bachelor of Arts degree, magna cum laude, from Cornell University in 1978. Prior to focusing his career on the oil and gas industry, Mr. Anastasio worked in private practice as a corporate attorney in New York City.