(e) Notwithstanding (c) of this section, a proxy that states that it is irrevocable is irrevocable for the period specified in the proxy when it is held by the following or a nominee of the following:
- (1) a person to whom the shares are pledged for the performance of an obligation or the payment of a debt;
- (2) a person who has purchased, agreed to purchase, or holds an option to purchase the shares or a person who has sold a portion of the shares of the person in the corporation to the maker of the proxy;
- (3) a person who has contracted to perform services as an employee of the corporation, if a proxy is required by the contract of employment and if the proxy states that it was given in consideration of the contract of employment, the name of the employee, and the period of employment contracted for;
- (4) a person designated by or under an agreement under AS 10.06.425; or
- (5) a beneficiary of a trust with respect to shares held by the trust.