Proha Plc Stock Exchange Bulletin April 29, 2010 at 11:45 a.m. HEIDI KARLSSON TO STRENGTHEN PROHA'S MANAGEMENT Proha Plc has appointed Heidi Karlsson to a new position of Senior Vice President (SVP), Corporate Functions. She holds a M.Sc. degree in Economics and is 42 years old. Prior to joining Proha, Heidi acted as the Head of Management Reporting of Nokia Siemens Networks (NSN) being responsible for the corporation's financial reporting to the executive management. Previously, she was the Region Controller of NSN being responsible for the financial administration in Latin America. Since 1993, she has held various positions with NSN, Nokia Networks and Nokia Telecommunications. In addition to Finland, she has worked in Rio de Janeiro, Peking, Zürich and Düsseldorf. Heidi will start with Proha on June 1, 2010. In her role of SVP, Corporate Functions, Heidi will also be responsible for the international financial operations of Proha's Oil & Gas Services division, since the Chief Financial Officer of Dovre Group AS in Norway, Are Njåstein, will leave the company on May 30, 2010. “I wish Heidi a warm welcome to join Proha”, says Ilkka Toivola, Proha's CEO. “The management's objective is to develop the company into an internationally operating corporation from the previous operational model and structure of a holding company. Heidi has a solid experience on building an effective internationally operating administration and creating the required systems and processes”. Proha's Chief Financial Officer, Sirpa Haavisto, continues in her position and will be reporting to Heidi Karlsson. The goal is to develop a cost effective and real-time finance function for the Proha Group. Proha Plc Ilkka Toivola CEO For further information, please contact: PROHA Plc Ilkka Toivola, CEO Tel. +358 (0)20 436 2000 ilkka.toivola@proha.com www.proha.com Distribution: NASDAQ OMX Helsinki Ltd. Major media