Facts
B., born in 1949, was insured with the Collective Foundation X. (hereinafter: the Foundation) for occupational pension provision. On July 20, 2001, he requested early retirement as of May 1, 2004, when he reached the age of 55. On March 23, 2004, the Foundation informed him that the conversion rate applicable to his age of 55 had been reduced from 6.2% to 5.024%. B. then filed an action with the Social Insurance Court of the Canton of Zurich, requesting that the Foundation be required to pay him a monthly pension of CHF 3,750.20 as of May 1, 2004. The cantonal court granted the request. The Foundation filed an administrative law appeal against this decision.Considerations
The Federal Tribunal considers that the reduction of the conversion rate is not contestable in itself, as it corresponds to the evolution of the conditions on the financial markets. B. could not expect the conversion rate to remain unchanged for several years prior to his early retirement. The Foundation informed him of the reduction in the conversion rate about one month before his retirement, which was sufficient, as B. had to expect such an…