Power of Attorney for Andersen Group Inc. Director

This filing details a Power of Attorney granted by Susan L. Decker, a director at Andersen Group Inc. (ANDG), to a group of individuals including William Deckelman. These attorneys-in-fact are authorized to execute and file various securities forms, such as Schedules 13D and 13G, Forms 3, 4, and 5, and Form 144, on behalf of Ms. Decker. This authorization is necessary due to her indirect ownership of Andersen Group Inc. securities, specifically Class X Aggregator Units, which are exchangeable for Class A common stock. The Power of Attorney remains in effect until Ms. Decker is no longer required to file these forms or until it is revoked in writing. The filing also notes that Ms. Decker holds 200,000 Class X Aggregator Units indirectly through a trust, which are exchangeable for 200,000 shares of Class A common stock.