(b) Without excluding other activities which may not constitute doing business in this state, a foreign corporation shall not be considered to be doing business in this state, for the purposes of this chapter, by reason of carrying on in this state any one or more of the following activities:

1. (1) Maintaining or defending any action or proceeding, whether judicial, administrative, arbitrative or otherwise, or effecting settlement thereof or the settlement of claims or disputes.
2. (2) Holding meetings of its directors or its shareholders.
3. (3) Maintaining bank accounts.
4. (4) Maintaining offices or agencies only for the transfer, exchange and registration of its securities, or appointing and maintaining trustees or depositaries with relation to its securities.