The purpose of the Expanding WKSI Eligibility Act is to make it easier for certain companies to qualify as "well-known seasoned issuers" (WKSIs). This status allows companies to access capital markets more efficiently, which can help them grow and operate more effectively. The key provisions of this act lower the threshold for the market value of a company's common equity needed to qualify as a WKSI. Specifically, the act sets this threshold at $400 million.