@Kevin *********
yes.
.. Read the graphic.
...And it's BEST to ask your Thai immigration office for their list of requirements for the one year extension of stay as Married to Thai
When you apply, take your Thai wife with you to the Thai Immigration office.
And you will need to have a Thai bank account in your name only with 400,000 Thai baht deposited into it a full two months before you apply for the one year extension of stay.