Liquidia Corporation (NASDAQ:LQDA), a biopharmaceutical company driven by science and compassion to revolutionize care for patients with challenging respiratory and vascular diseases, announced today that it will be added to the S&P SmallCap 600® Index, effective prior to the opening of trading on June 22, 2026.

Introduced in 1994, the S&P SmallCap 600 is a widely followed benchmark of 600 U.S. small-cap companies selected by S&P Dow Jones Indices based on market capitalization, liquidity, shares available for public trading, and profitability criteria.