ORS 709.270

A trust company shall, except as otherwise provided in this section, keep inviolate all communications and writings made to or by the trustees touching the existence, condition, management and administration of any private trust confided to it. A creditor or stockholder is not entitled to disclosure or knowledge of the communication or writing. However, the officers, manager, trust officer, secretary or attorney of the trust company may know of the communication or writing. In any suit or proceeding touching the existence, condition, management or administration of the trust, the court in which the matter is pending may require disclosure of the communication or writing.