File I-485 after 1 year of Priority Date Current

I have I-140 approved from previous employer. I am stuck abroad and not working. It will take more than 1 year to comeback to US get LC/140 with new employer.

Will I loose the old priority date because I did not file I-485?

8 CFR 214.2(h)(13)(iii)(D)(10) is not about H1-B exemption only.
INA 203 g is only for CP and not AOS.