Securities Exchange Uses in Persons Acting as a Group Clause

Persons Acting as a Group from Change in Control Compensation Agreement

AGREEMENT made and executed as of March 5, 2012 between KAYDON CORPORATION, a Delaware corporation, 315 East Eisenhower Parkway, Suite 300, Ann Arbor, Michigan 48108 (Kaydon), and Timothy Heasley (the Executive).

Persons Acting as a Group. Persons Acting as a Group means owners of a corporation that enters into a merger, consolidation, purchase or acquisition of stock, or similar business transaction with the corporation. If a person, including an entity, owns stock in both corporations that enter into a merger, consolidation, purchase or acquisition of stock or assets, or similar transaction, such shareholder is considered to be acting as a group with other shareholders in a corporation only with respect to the ownership in that corporation prior to the transaction giving rise to the change and not with respect to the ownership interest in the other corporation. Persons will not be considered to be acting as a group solely because they purchase or own stock of the same corporation at the same time or as a result of the same public offering, or purchase assets of the same corporation at the same time.

Persons Acting as a Group from Change in Control Compensation Agreement

AGREEMENT made and executed as of October 29, 2010 between KAYDON CORPORATION, a Delaware corporation, 315 East Eisenhower Parkway, Suite 300, Ann Arbor, Michigan 48108 (Kaydon), and Laura Kowalchik (the Executive).

Persons Acting as a Group. Persons Acting as a Group means owners of a corporation that enters into a merger, consolidation, purchase or acquisition of stock, or similar business transaction with the corporation. If a person, including an entity, owns stock in both corporations that enter into a merger, consolidation, purchase or acquisition of stock or assets, or similar transaction, such shareholder is considered to be acting as a group with other shareholders in a corporation only with respect to the ownership in that corporation prior to the transaction giving rise to the change and not with respect to the ownership interest in the other corporation. Persons wil l not be considered to be acting as a group solely because they purchase or own stock of the same corporation at the same time or as a result of the same public offering, or purchase assets of the same corporation at the same time.

Persons Acting as a Group from Change in Control Compensation Agreement

AGREEMENT made and executed as of June 11, 2009 between KAYDON CORPORATION, a Delaware corporation, 315 East Eisenhower Parkway, Suite 300, Ann Arbor, Michigan 48108 (Kaydon), and Donald Buzinkai (the Executive).

Persons Acting as a Group. Persons Acting as a Group means owners of a corporation that enters into a merger, consolidation, purchase or acquisition of stock, or similar business transaction with the corporation. If a person, including an entity, owns stock in both corporations that enter into a merger, consolidation, purchase or acquisition of stock or assets, or similar transaction, such shareholder is considered to be acting as a group with other shareholders in a corporation only with respect to the ownership in that corporation prior to the transaction giving rise to the change and not with respect to the ownership interest in the other corporation. Persons will not be considered to be acting as a group solely because they purchase or own stock of the same corporation at the same time or as a result of the same public offering, or purchase assets of the same corporation at the same time.

Persons Acting as a Group from Change in Control Compensation Agreement

AGREEMENT made and executed October 23, 2008 between KAYDON CORPORATION, a Delaware corporation, 315 East Eisenhower Parkway, Suite 300, Ann Arbor, Michigan 48108 (Kaydon), and _____ (the Executive). This Agreement was initially entered into and effective _____, 200_.

Persons Acting as a Group. Persons Acting as a Group means owners of a corporation that enters into a merger, consolidation, purchase or acquisition of stock, or similar business transaction with the corporation. If a person, including an entity, owns stock in both corporations that enter into a merger, consolidation, purchase or acquisition of stock or assets, or similar transaction, such shareholder is considered to be acting as a group with other shareholders in a corporation only with respect to the ownership in that corporation prior to the transaction giving rise to the change and not with respect to the ownership interest in the other corporation. Persons will not be considered to be acting as a group solely because they purchase or own stock of the same corporation at the same time or as a result of the same public offering, or purchase assets of the same corporation at the same time.