Hi Michael,
There are two separate date streams:
1. Visa date stream - yours has been extended to a 1-Year visa valid until 26 January 2016.
2. 90 Day reporting stream - Your last 90 day reporting was done on 23 January 2015. This means you need to either do another reporting before 22 April 2015 at Immigration, or have made a trip outside the country before that date. You can do either of these to satisfy the 90 Day reporting but the reporting at Immigration is fast and easy. Also you should be able to make the 90-day reporting at the Immigration office in Patong.
You are not on any sort of overstay and only need to make a 90-Day reporting on or before 22 April.
Finally you can do the 90-day reporting by mail but I can not vouch for this process as I've never tried it myself. Below is from Thai Visa website:
90 Day Notification by Post
For those customers who find a trip to Phuket Town for their 90 day notification to be a real drag, then can now notify by post.
The process is:
Complete a TM47 – this can be downloaded from
http://bangkok.immigration.go.th/download/tm47.doc
Make photocopies of the following passport pages:
Detail page
Current visa
Latest entry stamp
Departure card (TM6)
Put completed TM47 and photocopies, with a stamped self-addressed envelope, in a second envelope and post – preferably registered post – to
Phuket Immigration Office, 482 Phuket Road, Talad Yai, Muang, Phuket 83000 Thailand
Note:
The documents must arrive at Phuket Immigration within the notification window of
15 days before and 7 days after notification due date.
The TM47 must be properly and completely filled in and signed.
The photocopies must be of the correct entries in the passport.
No correspondence is entered into, so if anything is wrong, the documentation is rejected. This means that the next notification must be done in person at Phuket Immigration and a fine of THB 2000 levied.
To avoid such a fine we recommend that the paperwork is sent a day before or on the day of the 14 day early period starts. If you hear nothing by day 5 of the 7 day late period, make the trip to town.