Austin Harbour serves as Chief Financial Officer of ProFrac Holding Corp. (NASDAQ: ACDC), a technology-focused energy services company providing hydraulic fracturing and other completion services to exploration and production companies. Since joining ProFrac in May 2022, he has led the company's financial strategy, overseeing capital markets activities, investor relations, financial planning and analysis, treasury, tax, and accounting functions. Under his leadership, ProFrac has executed key financing initiatives, including debt refinancings and equity offerings, to support operational growth and strengthen its balance sheet amid volatile energy markets. With more than 20 years of finance experience in the energy sector, Harbour previously held the role of Vice President of Finance at Patterson-UTI Energy, Inc., where he managed financial operations during a period of mergers, acquisitions, and fleet expansions. Prior to that, he was CFO at Hunter Technology Company, optimizing financial performance for a provider of mobile hydraulic fracturing equipment. Earlier in his career, he held progressive finance roles at Halliburton Company, honing expertise in budgeting, forecasting, and risk management in upstream services. Harbour earned a Bachelor of Science in Finance from Texas A&M University and a Master of Business Administration from Rice University. His achievements include driving cost efficiencies, enhancing liquidity, and delivering strong financial results that have positioned ProFrac for sustained profitability and strategic investments in innovative fracturing technologies.