Glatfelter to Report First Quarter 2010 Earnings on May 4th

Glatfelter (NYSE: GLT) announced today that it expects to issue financial results for the first quarter of 2010 on Tuesday, May 4, 2010. Management will hold a conference call at 11:00 AM (ET) that morning to discuss the Company’s first quarter results. Glatfelter's earnings release and an accompanying financial supplement, which includes significant financial information to be discussed on the conference call, will be available on Glatfelter’s Investor Relations website at http://www.glatfelter.com/about_us/investor_relations/default.aspx.

Interested persons who wish to hear the live webcast should go to the website prior to the starting time to register, download and install any necessary audio software.

Headquartered in York, PA, Glatfelter is a global manufacturer of specialty papers and engineered products, offering over a century of experience, technical expertise and world-class service. U.S. operations include facilities in Spring Grove, PA and Chillicothe and Fremont, OH. International operations include facilities in Canada, Germany, France, the United Kingdom and the Philippines, a representative office in China and a sales and distribution office in Russia. Glatfelter’s sales exceed $1 billion annually and its common stock is traded on the New York Stock Exchange under the ticker symbol GLT. Additional information is available at www.glatfelter.com.