Calpine Corporation Names Laura D. Guthrie Senior Vice President, Human Resources

Calpine Corporation (NYSE:CPN) today announced that Laura D. Guthrie has been named Senior Vice President, Human Resources. Ms. Guthrie will have responsibility for Calpine’s nearly 2,100 employees.

"We are excited to have Laura join the Calpine team,” said Calpine Chief Executive Officer Jack A. Fusco. "She is a seasoned human resources professional with over 25 years experience and will be a valuable addition to Calpine.”

Previously, Ms. Guthrie was Vice President, Human Resources at Hercules Offshore, Inc. Prior to that she headed human resources at Input / Output and Splitrock Services and held various positions of increasing responsibility at UNOCAL Corporation and BHP Petroleum.

Ms. Guthrie earned a Bachelor of Science degree in Personnel Administration and Industrial Relations from Oregon State University.

About Calpine

Calpine Corporation is helping meet the needs of an economy that demands more and cleaner sources of electricity. Founded in 1984, Calpine is a major U.S. power company, currently capable of delivering over 24,000 megawatts of clean, cost-effective, reliable and fuel-efficient electricity to customers and communities in 16 states in the United States and Canada. Calpine owns, leases, and operates low-carbon, natural gas-fueled, and renewable geothermal power plants. Using advanced technologies, Calpine generates electricity in a reliable and environmentally responsible manner for the customers and communities it serves. Please visit www.calpine.com for more information.

Forward Looking Information

In addition to historical information, this release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Words such as "believe,” "intend,” "expect,” "anticipate,” "plan,” "may,” "will” and similar expressions identify forward-looking statements. Such statements include, among others, those concerning expected financial performance and strategic and operational plans, as well as assumptions, expectations, predictions, intentions or beliefs about future events. You are cautioned that any such forward-looking statements are not guarantees of future performance and that a number of risks and uncertainties could cause actual results to differ materially from those anticipated in the forward-looking statements. Please see the risks identified in this release or in Calpine’s reports and registration statements filed with the Securities and Exchange Commission, including, without limitation, the risk factors identified in its Annual Report on Form 10-K for the year ended December 31, 2007, and its Quarterly Report on Form 10-Q for the quarter ended September 30, 2008. These filings are available by visiting the Securities and Exchange Commission’s web site at www.sec.gov or Calpine’s web site at www.calpine.com. Actual results or developments may differ materially from the expectations expressed or implied in the forward-looking statements, and undertakes no obligation to update any such statements.