You are given a text that consists of multiple sentences. Your task is to perform abstractive summarization on this text. Use your understanding of the content to express the main ideas and crucial details in a shorter, coherent, and natural sounding text.

SEOUL, South Korea--(BUSINESS WIRE)--On April 30, 2021, Woori Financial Group Inc. filed its Annual Report on Form 20-F for the year ended December 31, 2020 with the U.S. Securities and Exchange Commission. The 2020 Annual Report on Form 20-F can be downloaded from www.woorifg.com, as well as from the website of the U.S. Securities and Exchange Commission at www.sec.gov. Investors may request a hard copy of the 2020 Annual Report on Form 20-F, free of charge, by contacting yjy1126@woorifg.com.

Answer: Woori Financial Group Inc. Files Its Annual Report on Form 20-F