PBS Dependent Visa Extension - Please Advice

Good day Experts,

Hope you are fine. I have come to the UK on T1 Exceptional Talent and got the ILR in September 2020 (currently applied the naturalization). My wife and kids came in Sep 2017 on a 4.5 year visa (expiring in Feb 2022). My wife and kids extension is due in 4 weeks time. They will apply for ILR in Oct 22 (this year). Appreciate if the experts can advise on the following:

1) How many years of extension will I require for wife and and kids?
2) How many years of IHS surcharge do I need to pay?
3) Will remaining IHS be refunded if I apply for their ILR in Oct 2022?
4) My ILR expiry date is Dec 2024, should I mention this date in their extension details?
5) Is this the right category to apply for their extension (PBS, Start-up, Innovator or Global Talent dependant partner). URL: https://visas-immigration.service.gov.u ... nt-partner
6) Are there priority services available for PBS dependent extensions?

Appreciate your guidance and expert opinions.

Thanks. Ahmed

1. It's a 3 year extension.

2. For 3 years.

3. No.

4. IHS will be for 3 years regardless.

5. Yes.

6. Yes.

Thanks @CR001. On Q4, Should I mention my ILR expiry date as per the BRP? (Assume the application asks for my ILR information.

Please advise. Thanks. Ahmed