Can I extend my 90-day Non-Immigrant O visa based on marriage in Thailand?

The user is seeking advice regarding the extension of a 90-day Non-Immigrant O based on marriage visa, which expires on July 30th. Initially, they were informed by an immigration officer that a 90-day extension was possible. However, upon visiting immigration in Pattaya, they were told an extension was not available. A comment clarifies that there is no 90-day extension for this visa type; the options include a 60-day extension for family visits or a 1-year extension if the proper requirements are fulfilled.