Nov 06, 2009. /Lesprom Network/. The principal shareholder of Cham Paper Group Holding AG, BURU Holding AG (BURU), Hagendorn, announced that it purchased additional 9% of Cham Paper Group shares which increases its stake to 34.2%. BURU bought two blocks from Golden Peaks (5%) and from Kähli Holding (4%), Cham Paper Group said in a press release received by Lesprom Network. With these transactions BURU surpasses the equity threshold of 33 1/3 % which requires the submission of a mandatory tender offer under Swiss Stock Exchange law for all outstanding Cham Paper Group shares. According to BURU the offer price is supposed to be the legal minimum price of CHF 173.40 ($170.7) which represents the VWAP of the last 60 trading days and which is identical with the price paid for the two blocks of shares that BURU acquired. Furthermore, BURU communicated that it has no intention to take over the entire company. The Board of Directors of Cham Paper Group welcomes the commitment of its principal shareholder which underlines its confidence in the positive future development of the group. The Board will comment the offer at a later stage. Philipp Buhofer, Chairman of the Board of Cham Paper Group and Delegate of the Board of BURU will not participate in the judgement of the offer. Cham Paper Group is a specialist in paper surface technology and a leading producer of specialty paper in Europe. The company develops and produces at three locations in Switzerland and Italy self-adhesive papers, papers for flexible packaging, technical papers and digital imaging solutions.