How to know the existence of shares in Riyad Bank

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A set of steps are followed to determine that you own shares in Riyad Bank, and this is done through the following:
كيف اعرف ان عندي اسهم قديمه
Opening an electronic deposit platform
Write the national ID number.
Writing the investment portfolio.
Register the investor's name.
Write the company name.
Register the password.
Choose a search term.