PALO ALTO, Calif.--(BUSINESS WIRE)--Hercules Technology Growth Capital, Inc. (NASDAQ:HTGC), a leading specialty finance company providing growth capital in the form of venture debt and equity to venture capital and private equity backed technology and life science companies at all stages of development, today announced that on June 28, 2007, it provided a $20 million term loan financing to Panacos Pharmaceuticals, Inc. (NASDAQ:PANC). Panacos, a biopharmaceutical company specializing in the development of antiviral therapeutic products, has joined Hercules’ growing portfolio of life science companies receiving debt financing.