File photo of Allianz logos pictured in front of the headquarters of Germany's largest insurance group Allianz AG in Munich, on Wednesday. German insurer Allianz is expected to report its fourth-quarter net profit fell 15.6 percent to 958 million euros ($1.25 billion), the average of 14 estimates in a Reuters poll of banks and brokerages showed. Estimates for the results, which are due for release today, were collected between Janurary 4 and February 16, 2012.