Atlantica Sustainable Infrastructure plc announced that on August 30, 2023, it has received notice that Algonquin Power & Utilities Corp. (?Algonquin?) has appointed Mr. Ryan Farquhar to the Board of Directors of the Company pursuant to, among others, articles 72.3 and 72.5 of the Company's articles of association. Mr. Farquhar replaces Mr. George Trisic, who was appointed by Algonquin on October 9, 2020 and who has resigned from his position as director of the Company effective August 30, 2023.

The Company thanks Mr. Trisic for his dedication and commitment to the Company. Mr. Farquhar is Senior Vice President, International Development at Algonquin. Mr. Farquhar joined Algonquin in 2018 and has been responsible for oversight of international growth, including utility mergers and acquisitions.

He also leads solar and storage projects and asset recycling initiatives. Mr. Farquhar has broad investing experience, ranging from infrastructure and energy projects to venture capital and private equity. Mr. Farquhar holds a Bachelor of Laws Degree from the University of Western Ontario.

Additionally, he holds a Bachelor of Commerce (Hons.) from Queen?s University.