1, the company's external agreement does not require the signature of shareholders, but generally requires the signature of the legal representative and the official seal of the company;

2. However, before the legal representative of the company signs an agreement on major foreign matters, it is generally required to make a resolution at the shareholders' meeting in advance. According to the articles of association, major issues of the company must be decided by the shareholders' meeting, so shareholders should have the right to vote at the shareholders' meeting;

The agreement between the shareholder and the legal representative you mentioned is a personal agreement, which has nothing to do with the company. If it involves company matters, and without the consent of the company (shareholders' meeting), their agreement is illegal and has no legal effect;